US 6,411,503 B1Grant

Portable type information apparatus

Issue Date:2002-06-25

•42 Claims

•4 Drawing Sheets

Abstract

A notebook type personal computer has a common connector detachably connected to a mating connector of a connection unit, or replicator, which further has plural connectors affording detachable connections to plural peripheral units. One or more fastener units, carried by the connector unit, provide for detachably but rigidly affixing the connector unit to the notebook type personal computer. An alternative connector box accommodates one or more batteries while affording connections through the common connector and the plural first connectors to peripheral units and yet another alternative connector box houses only batteries and is connectable through a mating connector to the common connector of the personal computer to afford extended operating time.

Metadata

Assignee

Fujitsu Limited

Inventors

Ko Kambayashi
Shigeru Hidesawa

Application Information

Application Number:US 08/885,857

Filing Date:1997-06-30

Priority Date:1996-10-11

Art Unit:7

Classifications

IPC:

G06F 116

Field of Search:

361683361686429 96429 97429 99429100

Patent Drawings (4 sheets)

Description

Background of the Invention

[0002] 1. Field of the Invention

[0003] The present invention relates to a portable-type information apparatus such as a notebook-type personal computer or a word processor, particularly to a portable-type information apparatus which is largely improved in extendability and portability.

[0004] 2. Description of the Related Art

[0005] Recently, miniaturization of portable-type information apparatuses such as notebook-type personal computers has been significantly accelerated due to the rapid progress of electronic technology, whereby the user can always carry the information apparatus with him even outside the office.

[0006] Information apparatuses, particularly notebook type personal computers, have often been provided with various connectors for the connection of external keyboards, mice, external CRTs, printers or others, for extending the functions thereof.

[0007] Since recently marketed notebook-type personal computers have already been miniaturized in size and weight to a large extent, it is difficult to further improve the portability without sacrificing the extendability.

[0008] Accordingly, an object of the present invention is to provide a reasonable and economical information apparatus of a portable type improved in operability and portability without deteriorating the extendability, based on a novel technical idea.

Summary of the Invention

[0009] According to one aspect of the present invention, a portable-type information apparatus having an information apparatus body comprises a detachable connector unit provided with a plurality of connectors adapted to be detachably connected to peripheral units and with at least one connector adapted to be detachably connected to the information apparatus body; connection means provided on the information apparatus body, for the connection between the connector unit and the information apparatus body; and a detachable battery unit containing at least one battery and having substantially the same size as that of the connector unit; and wherein the battery unit and the connector unit can alternatively be connected to the information apparatus in substantially the same connecting position relative to the information apparatus body.

[0010] Preferably the battery unit is connected to the information apparatus body through the connection means. Also, preferably, coupling means are provided to transmit electrical power from the battery unit to the information apparatus body. Preferably, at least one fastener unit is mounted between the information apparatus body and the connector unit affording a mechanical detachable fixation therebetween. Also, preferably, the connector unit is mechanically detachably fixed to the information apparatus body through said at least one fastener unit. Preferably, the connector unit and the battery unit are alternatively detachably fixed to the back side of the information apparatus body.

[0011] According to another aspect of the present invention, a portable-type information apparatus having an information apparatus body comprises a detachable connector unit provided with a plurality of connectors adapted to be detachably connected to peripheral units and with at least one connector adapted to be detachably connected to the information apparatus body connection means provided on the information apparatus body, for the connection between the connector unit and the information apparatus body; and a detachable battery unit containing at least one battery and having substantially the same size as that of the connector unit, said battery unit being connectable to the information apparatus body through the connection means.

[0012] Preferably, coupling means is provided to transmit electrical power from the battery unit to the information apparatus body. Also, preferably, at least one fastener unit is mounted between the information apparatus body and the connector unit for a mechanical detachable fixation therebetween. Preferably, the connector unit is mechanically detachably fixed to the information apparatus body through said at least one faster. Also, preferably, the connector unit and the battery unit are alternatively detachably fixed to the back side of the information apparatus body.

[0013] According to further aspect of the invention, a connector unit adapted to be detachably connected to a portable-type information apparatus having an information apparatus body comprises a plurality of connectors adapted to be detachably connected to peripheral units; at least one connector adapted to be detachably connected to the information apparatus body; and at least one battery enclosed therein to supply electrical power to the information apparatus body.

[0014] Preferably, connection means are provided for the connection between the connector unit and the information apparatus body and wherein coupling means is provided to supply electrical power from said at least one battery to the information apparatus. Also, preferably, at least one fastener unit is provided between the information apparatus body and the connector unit for a mechanical detachable fixation therebetween. Preferably, it is detachably fixed to the back side of the information apparatus body.

Brief Description of the Drawings

[0015] These and other objects of the present invention will become apparent from the following detailed description of the preferred embodiment of the invention, taken in connection with the accompanying drawings.

[0016] In the drawings:

[0017] FIG. 1 is a plan view of a notebook type personal computer according to one embodiment of the present invention, in an open state;

[0018] FIG. 2A is a perspective view as seen from a front side, and FIG. 2B is a perspective view as seen from a rear side, of the comparator of FIG. 1, illustrating the relationship of a connector box relative to the personal computer;

[0019] FIG. 3A is a rear view, FIG. 3B is a top view, FIG. 3C is a front view and FIG. 3D is a leftside view, of the connector box;

[0020] FIG. 4 is an enlarged side sectional view of a main part of a fastener;

[0021] FIG. 5 is a plan view of a connector box accommodating batteries therein;

[0022] FIG. 6 is a plan view of a battery pack.

Description of the Preferred Embodiments

[0023] The present invention will be described in more detail below with reference to the preferred embodiments illustrated in the attached drawings.

[0024] FIG. 1 is a schematic plan view of a notebook-type personal computer 1 according to one embodiment of the present invention. With reference to this drawing, the personal computer 1 consists of a lower housing 5 in Which is built in a main circuit board carrying a CPU or others, other components and having a keyboard 3 on the upper surface thereof, and an upper housing 9 coupled, in a hinged manner, to an edge portion (innermost side) of the lower housing 5 and having a liquid crystal display 7 in a central area thereof. The upper housing 9 is folded onto the lower housing 5 to form an integral case convenient for transportation.

[0025] On the operator's side relative to the keyboard 3 extending in the central area of the upper surface of the lower housing 5, there is provided a palm rest section 11 wherein a pointing device 13 of a ball type is provided at a center thereof.

[0026] A hinge section 15 is provided along the innermost edge of the lower housing 5 farthest from the operator's side beyond the keyboard 3, for coupling to the upper housing 9 while leaving an upper surface vacant space 17 of about 20 mm wide between the hinge section 15 and the keyboard 3.

[0027] In a central region of the upper surface vacant area 17, a suspend/resume key 21 is provided. The suspend/resume key 21 has a function of interrupting the supply of electric power to electronic parts, including CPU and those relating to the Output/input, except for memories, so that the power consumption in the personal computer is restricted (i.e. limited) to a lower level than a normal operating power consumption level.

[0028] The liquid crystal display 7, of a rectangular shape and large size, is provided in a central area of the display surface of the upper housing 9. Generally in a lower area of the upper housing beneath the liquid crystal display 7, a so-called state-displaying section 31 is provided in a central region which confronts the suspend/resume key 21 of the lower housing 5 when the upper housing 9 is closed (folded) to the lower housing 5. A sound output section 33 having a number of small apertures is provided on both sides of the state-displaying section 31.

[0029] The state-displaying section 31 has a function of visually displaying whether or not a predetermined electronic device internal or external to the personal computer, is operative or inoperative, and basically consists of an elongated liquid crystal substrate 35.

[0030] The rear surface of the lower housing 5 has none of the various connectors for connection to external keyboards, mice, external CRTs or printers which usually are be provided in the conventional notebook type personal computer, and, instead, a specially designed common connector 51 which is a combination of the above-mentioned connectors as a single unit is provided. Therefore, a space in the lower housing which would be occupied by these connectors in the conventional computer is unnecessary, and thus, miniaturization of the personal computer is possible. Further, two or more common connectors (not shown) may be provided.

[0031] As shown in FIGS. 2A and 2B, the common connector 51 on the rear surface of the lower housing 5 (of the personal computer 1) is adapted to be detachably connected to a connector section 55 provided on a rectangular front surface of a connector box 53 (which is also called a port replicator) is of substantially the same, but typically slightly smaller, width dimension relative to the width dimension of the lower housing 5, as best seen in FIGS. 3A and 3B. So that the connector box 53 is detachably mounted to the rear surface of the lower housing 5.

[0032] As shown in FIG. 3A, the connector box 53 is provided with various connectors CN on the rear surface thereof, which would be carried on the conventional personal computer.

[0033] The connector section 55 on the front surface of the connector box 53 consists of a terminal having 60 pins and a pair of guide pins 57 on both sides thereof for facilitating the connector engagement. The guide pins 57 are engageable with corresponding guide holes (not shown) provided at corresponding positions in the lower housing and also function as grounding connectors.

[0034] On both sides of a front wall of the connector box 53 are provided a pair of fasteners 61 for reliably fixing the connector box 53 to the rear surface of the lower housing 5.

[0035] As shown in FIG. 4, the fastener 61 basically consists of a threaded rod 63 so as having a thread at a tip end, a main body 65 accommodating the threaded rod 63 to be movable in the axial direction and coupled to the threaded rod 63 so as to be rotatable therewith, and a compression coil spring 67 mounted within the main body 65 for biasing the threaded rod 63 outwardly. An enlarged disk 69 having a knurled periphery is provided in the main body 65.

[0036] When the fasteners 61 are attached to a predetermined position on the opposite sides of the connector box 53, the thread of the threaded rod 63 partially projects outwardly from the front surface of the connector box 53, and the enlarged disk 69 partially projects outward from a rectangular window 73 formed in a recess 71 of the respective end wall of the connector box 53 (see FIGS. 3B, 3D). Since this projected amount is actually very small, the knurled periphery looks as if it is substantially flush with the end surface of connector box 53.

[0037] During the attachment of the connector box 53 to the personal computer 1 (i.e. to the lower housing 5), the connector section 55, provided on the front surface of the connector box 53, is engaged with the common connector 51 on the rear surface of the personal computer 1 so that the rear surface of the personal computer 1 and the front surface of the connector box 53 are wholly or substantially brought into surface-contact with each other. At this time, the threaded rods 63 projected from the respective sides of the front surface of the connector box 53 just confront female thread sections (fastening sections) 77 (see FIG. 2B) provided at corresponding positions on the rear surface of the personal computer 1. More specifically, the thread section of the threaded rod 63 is pushed into the main body 65 against a biasing force of the compression coil spring 67 in the main body 65 of the fastener 61, while being fittingly in contact with the female thread section 77 (that is, while maintaining a state to be easily engageable with the female thread section 77).

[0038] Then, the operator manually rotates the enlarged disk 69, using the knurled periphery thereof, through the window 73 of the recess 71 provided on the respective end surface of the connector box 53, in a required direction (selected in accordance with the thread direction), whereby the threaded rod 63 rotates therewith to completely screw the threaded rod 63 (thread section) into the female thread section 77.

[0039] As described above, since the fastener structure is adapted so that the movable threaded rod 63 is biased outwardly and rotated by the operation of the enlarged disk 69, the fastening operation of the fastener 61 is carried out very easily in a mechanical manner. Similarly, the removal of the connector box 53 is also facilitated.

[0040] According to this embodiment of the above structure, since various connectors usually provided in the conventional personal computer are removed, it is possible to miniaturize an outer size of the personal computer, whereby the portability thereof is greatly enhanced. Instead of the removed connectors, a connector box 53 is prepared, which is capable of being electrically coupled in a very simple manner to the personal computer by a single engagement connection (between the common connector and the connector section 55). Also, according to the characteristic structure of the fastener 61 provided on the respective side of the connector box 53, mounting/dismounting of the connector box 63 can be safely and reliably carried out. Thus, there is no inconvenience in the utility and operability of electric wiring or arrangement.

[0041] Another type connector box 83 may be provided as shown in FIG. 5, wherein cylindrical rechargeable batteries B for the extension are longitudinally accommodated in a central space of the interior of the connector box. On the other hand, power supply lines are provided both in the common connector and the connector section 55 of the connector box 83. The arrangement of the various connectors CN, common connector, fastener or others are basically the same as those in the above connector box 53, and therefore the explanation thereof will be eliminated herein.

[0042] According to the above connector box 83 with batteries, the operative time of the personal computer can be prolonged (for example, by about 1.5 hours if three batteries B are accommodated) to facilitate both the portability and the extendability.

[0043] In addition, as shown in FIG. 6, a so-called (extension) battery pack 93 may be provided alternative to the connector boxes 53 and 83 described above, which has generally the same profile and size as those of the connector box 53, but has none of the various connectors CN as are provided on the rear surface of the connector box 53 in FIG. 5. Instead of the various connectors, batteries B are accommodated in the interior thereof.

[0044] When the battery pack 93 is used, although the function-expendability inherent to a connector box is lost, the operative time of the personal computer is greatly prolonged (for example, by about 3 hours if six batteries are accommodated), which facilitates the portability of the personal computer 1.

[0045] Since the battery pack has substantially the same profile and size as the connector boxes 53, 83, it is favorable in appearance and convenient in storage.

[0046] The connector box 53, the connector box 83 with batteries and the battery pack 93 can be alternatively mounted to the personal computer 1, which provides various systems constructed by the personal computer and peripheral devices thereof, and widens the user's choice.

[0047] While the above-mentioned embodiments are limited to the application of the present invention to a personal computer, the present invention should not be limited thereto but may be effectively applicable also to other portable-type electronic apparatuses such as a word processor.

[0048] As described above, according to the present invention, it is possible to provide a very reasonable and economical portable type information apparatus which is improved in operability and portability without deteriorating the extendability. More specifically, according to the portable type information apparatus since a plurality of connectors of various kinds for the extension are removed, the apparatus can be miniaturized in size and reduced in weight. In spite of the removal of such connectors, the extendability is not deteriorated because of the provision of a common connector for coupling a connector box to the personal computer. If a fastening section is provided, the rigid fixation of the connector box becomes possible to enhance the stability and the mechanical strength. If a connector section of a connector box with batteries is coupled to the common connector, the operative time can be prolonged without deteriorating the extendability. If a battery pack is used, the operative time can be further prolonged. If the portable information apparatus is a notebook-type personal computer, the improvement in extendability and operative time enhances the utility of the personal computer.

[0049] Also, the connector box according to the present invention is easily handled and can be mounted to the portable type information apparatus in a simple manner, resulting in an improvement in extendability of the portable-type information apparatus and a reduction in the weight thereof. If a fastener is provided, the connector box can be rigidly fixed to result in a favorable stability and mechanical strength. If battery is provided, it is possible to prolong the operating time without deteriorating the extendability.

[0050] Further, according to a battery pack of the present invention, a further prolongation of operating time of the portable type information apparatus is available. Since the battery pack is mounted to the portable type information apparatus alternatively to the connector box, various options can be adopted in accordance with the desired uses.

[0051] It is to be understood that the invention is by no means limited to the specific embodiments illustrated and described herein, and that various modifications thereof be made which come within the scope of the present invention as defined in the appended claims.

Claims

Post-issuance certificates present

The text shown below may not reflect later post-issuance changes.

What is claimed is:

1. An electronic apparatus having a body, comprising:

a detachable connector unit having a plurality of first connectors affording detachable connections to peripheral units and a second connector;

a third connector provided on the body affording a detachable connection thereof to the second connector of the detachable connector unit;

a detachable battery unit containing at least one battery; and

the detachable battery unit and the detachable connector unit being alternately connectable to the third connector of the body in substantially a common connecting position relative to the body.

2. The electronic apparatus of claim 1, wherein the battery unit is connected to the electronic apparatus body through the third connector.

3. The electronic apparatus of claim 1, wherein the third connector transmits electrical power from the battery unit to the electronic apparatus.

4. The electronic apparatus of claim 1, further comprising a fastener unit extending between the body and the connector unit and affording a mechanical detachable connection therebetween.

5. The electronic apparatus of claim 4, wherein the detachable connector unit is mechanically detachably affixed to the body by said fastener unit.

6. The electronic apparatus of claim 1, wherein the connector unit and the battery unit are, alternatively and selectively, detachably affixed to a back side of the body.

7. The electronic apparatus of claim 1, wherein the detachable battery unit is of substantially the same size as the connecting unit.

8. A electronic apparatus having a body, comprising:

a detachable connector unit having a plurality of first connectors affording detachable connections to peripheral units and a second connector;

a common connector on the body affording a detachable connection thereof to the second connector of the detachable connector unit;

a detachable battery unit having a third connector and containing at least one battery, said battery unit being connectable by the third connector thereof to the electronic apparatus, alternatively to the detachable connector unit, through the common connector.

9. The electronic apparatus of claim 8, wherein the common connector transmits electrical power from the battery unit to the electronic apparatus.

10. The electronic apparatus of claim 8, further comprising a fastener unit extending between the body and the connector unit and affording a mechanical detachable fixation therebetween.

11. The electronic apparatus of claim 10, wherein the detachable connector unit is mechanically detachably fixed to the body through said fastener.

12. The electronic apparatus of claim 8, wherein the connector unit and the battery unit are, alternatively, detachably affixed to a back side of the electronic apparatus body.

13. The electronic apparatus of claim 8, wherein the detachable battery unit is of substantially the same size as the connector unit.

14. A detachable connector unit for an electronic apparatus, comprising:

a plurality of first connectors affording detachable connections to peripheral units,

a second connector affording a detachable connection of the connector unit to a common connector of the electronic apparatus; and

a holding part holding at least one battery and, alternatively to the detachable connector unit, connectable by the common connector to the electronic apparatus.

15. The connector unit of claim 14, wherein the battery supplies the electrical power to the electronic apparatus through the common connector.

16. The connector unit of claim 14, further comprising a fastener unit extending between the electronic apparatus body and the connector unit and affording a mechanical detachable connection therebetween.

17. The connector unit of claim 14, wherein the connector unit is detachably fixed to the back side of the electronic apparatus body.

18. The connector unit of claim 14, wherein the holding part accommodates the battery.

19. The connector unit of claim 18, wherein the battery supplies electrical power to the electronic apparatus.

20. An electronic apparatus having an electronic apparatus body comprising:

a connector provided on the electronic apparatus body affording a detachable connection thereof, alternatively and selectively, to one of:

a mating connector of a detachable connector unit, the detachable connector unit further having a plurality of connectors affording detachable connections to respective peripheral units, and

a mating connector of a detachable battery unit containing at least one battery; and

the detachable connector unit and the detachable battery unit being alternatively and selectively connectable to the electronic apparatus in a substantially common, connected position.

21. A detachable battery unit for an electronic apparatus comprising:

a battery;

a connector connecting the battery to the electronic apparatus and supplying electrical power from the battery therethrough to the electronic apparatus;

the connector alternatively connecting a detachable connector unit to the electronic apparatus, the detachable connector unit having a plurality of first connectors affording detachable connections to respective peripheral units and a second connector affording a detachable connection to the connector of the electronic apparatus; and

the battery and the detachable connector unit being connectable to the electronic apparatus in a substantially common position relatively thereto.

22. An electronic apparatus, comprising:

a connector affording a detachable connection alternatively and selectively to one of:

a connector unit, the connector unit having a plurality of first connectors affording detachable connections to respective peripheral units and a second connector affording a detachable connection to the connector of the electronic apparatus, and

a battery unit containing at least one battery; and

the connector unit and the battery unit are alternatively connectable to the connector of the electronic apparatus in a substantially common connecting position relative to the electronic apparatus.

23. An electronic apparatus having a body, comprising:

a detachable connector unit having a width and a plurality of first connectors, arranged at least width-wise thereon and affording detachable connections to respective peripheral units, and a second connector;

a third connector provided on the body affording a detachable connection thereof to the second connector of the connector unit;

a detachable battery unit containing at least one battery; and

the battery unit and the connector unit being alternatively connectable to the third connector of the body in substantially a common connecting position, relative to the body.

24. An electronic apparatus as recited in claim 23, wherein the plurality of first connectors are arranged, and disposed, substantially, over the entire width of the detachable connector unit.

25. An electronic apparatus as recited in claim 23, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially planar and continuous surfaces from which the respective third and second connectors extend and which surfaces are in opposing, contiguous relationship when the third and second connectors are coupled together.

26. An electronic apparatus as recited in claim 23, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially equal widths.

27. An electronic apparatus, comprising:

a connector affording a detachable connection alternatively and selectively to one of:

a connector unit, the connector unit having a width and, further, having a plurality of first connectors arranged at least width-wise thereon and affording detachable connections to respective peripheral units and a second connector affording a detachable connection to the connector of the electronic apparatus, and

a battery unit containing at least one battery; and

the connector unit and the battery unit are alternatively connectable to the connector of the electronic apparatus in a substantially common connecting position relative to the electronic apparatus.

28. An electronic apparatus as recited in claim 27, wherein the plurality of first connectors are arranged, and disposed, substantially, over the entire width of the detachable connector unit.

29. An electronic apparatus as recited in claim 27, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially planar and continuous surfaces from which the respective third and second connectors extend and which surfaces are in opposing, contiguous relationship when the third and second connectors are coupled together.

30. An electronic apparatus as recited in claim 27, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially equal widths.

31. An electronic apparatus having an electronic apparatus body comprising:

a connector provided on the electronic apparatus body affording a detachable connection thereof, alternatively and selectively, to one of:

a mating connector of a detachable connector unit, the detachable connector unit having a width and the mating connector having a plurality of connectors to respective peripheral units, and

a mating connector of a detachable battery unit containing at least one battery; and the detachable connector unit and the detachable battery unit being alternatively and selectively connectable to the electronic apparatus in a substantially common, connected position.

32. An electronic apparatus as recited in claim 31, wherein the plurality of first connectors are arranged, and disposed, substantially, over the entire width of the detachable connector unit.

33. An electronic apparatus as recited in claim 31, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially planar and continuous surfaces from which the respective third and second connectors extend and which surfaces are in opposing, contiguous relationship when the third and second connectors are coupled together.

34. An electronic apparatus as recited in claim 31, wherein the body of the electronic apparatus and the detachable connector unit have respective, substantially equal widths.

35. A detachable battery unit for an electronic apparatus, the detachable battery unit and comprising:

a battery;

a connector connecting the detachable battery unit to the electronic apparatus and supplying electrical power from the battery therethrough to the electronic apparatus;

the connector alternatively connecting a detachable connector unit to the electronic apparatus, the detachable connector unit having a plurality of first connectors arranged at least width-wise thereon and affording detachable connections to respective peripheral units and a second connector affording a detachable connection to the connector of the electronic apparatus; and

the battery and the detachable connector unit being connectable to the electronic apparatus in a substantially common position relatively thereto.

36. A detachable battery unit as recited in claim 35, wherein the plurality of first connectors are arranged, and disposed, substantially, over the entire width of the detachable connector unit.

37. A detachable battery unit as recited in claim 35, wherein the detachable battery unit, the detachable connector unit and a body of the electronic apparatus have respective, substantially planar and continuous surfaces from which the respective third and second connectors extend and, when a selected one of the detachable battery unit and the detachable connector unit is connected by the connector to the electronic apparatus, the respective planar and continuous surfaces thereof are in an opposing, contiguous relationship.

38. A detachable battery unit as recited in claim 35, wherein the detachable battery unit, the detachable connector unit and a body of the electronic apparatus have respective, substantially equal widths.

39. An electronic apparatus, comprising:

a connector affording a detachable connection alternatively and selectively to one of:

a battery unit containing at least one battery; and

the connector unit and the battery unit are alternatively connectable to the connector of the electronic apparatus in a substantially common connecting position relative to the electronic apparatus.

40. An electronic apparatus as recited in claim 39, wherein the plurality of first connectors are arranged, and disposed, substantially, over the entire width of the detachable connector unit.

41. An electronic apparatus as recited in claim 39, wherein the detachable battery unit, the detachable connector unit and a body of the electronic apparatus have respective, substantially planar and continuous surfaces from which the respective third and second connectors extend and, when a selected one of the detachable battery unit and the detachable connector unit is connected by the connector to the electronic apparatus, and the respective planar and continuous surfaces thereof are in an opposing, contiguous relationship.

42. An electronic apparatus as recited in claim 39, wherein the detachable battery unit, the detachable connector unit and a body of the electronic apparatus have respective, substantially equal widths.

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Abstract