Portable data-processing system having a removable battery pack replaceable with a second larger battery pack having a cylindrical member usable as a hand grip

Claim 2

A portable data-processing system comprising: a box-shaped housing having a side and a receptacle opening at the side; a first pack-shaped component removably fitted in said receptacle; and a second pack-shaped component capable of being removably fitted in said receptacle in place of said first pack-shaped component, wherein said second pack-shaped component has a first part which is to be removably fitted in said receptacle and a second part which is a hollow cylindrical member and which is to extend outside said housing and along the side of said housing.

Claim 3

The system according to claim 1, wherein said first pack-shaped component is a first battery pack functioning as a power supply for driving components contained in said housing, and said second pack-shaped component is a second battery pack having a greater power-storage capacity than said first battery pack.

Claim 4

The system according to claim 2, wherein said second battery pack has a plurality of batteries and a case containing the batteries, said case comprising a lower section, an upper section coupled to the lower section and an intermediate frame interposed between the lower section and the upper section, said lower section and said intermediate frame defining a battery receptacle which contains said batteries.

Claim 5

The system according to claim 1, wherein said housing has a flat upper surface, and an input/display section is mounted on the upper surface, for inputting data and displaying data.

Claim 6

The apparatus according to claim 1, wherein said housing is shaped like a rectangular box having a long axis and a short axis intersecting at right angles with the long axis, the second part of said second pack-shaped component extends parallel to the long axis of said housing and along a long side of said housing.

Claim 7

The system according to claim 5, wherein said second part and the long side of said housing define a recess which opens upwards and which is located at an interface between said housing and said second part.

Claim 8

A portable data-processing system comprising: a box-shaped housing having a side, a first receptacle opening at an end of the side and a second receptacle located at the opposite end of the side; a first pack-shaped component removably fitted in said first receptacle; and a second pack-shaped component capable of being removably fitted in said first receptacle in place of said first pack-shaped component, wherein said second pack-shaped component has a first part which is to be removably fitted in said first receptacle and a second part which is a hollow cylindrical member connected to the first part and which is to be located outside said housing, said second part having an engagement member which is capable of being removably fitted in the second receptacle of said housing.

Claim 9

A portable data-processing system comprising: a box-shaped housing having a side, a first receptacle opening at an end of the side and a second receptacle located at the opposite end of the side; a first pack-shaped component removably fitted in said first receptacle; and a second pack-shaped component capable of being removably fitted in said first receptacle in place of said first pack-shaped component, wherein said second pack-shaped component has a first part which is to be removably fitted in said first receptacle and a second part which is a hollow cylindrical member connected to the first part and which is to be located outside said housing, said second part having an engagement member which is capable of being removably fitted in the second receptacle of said housing.

Claim 10

The system according to claim 7, wherein said engagement member is attached to said second part and capable of moving between a first position where said engagement member fits into said second receptacle and a second position where said engagement member is released from said second receptacle.

Claim 11

The system according to claim 8, wherein said engagement member has a slider slidably supported by said second part, and said second part has holder means for holding the slider at said first position and said second position.

Claim 12

The system according to claim 8, wherein said second part has a lock member for locking said engagement member at said first position.

Claim 13

The system according to claim 7, wherein said housing is shaped like a rectangular box having a long axis and a short axis intersecting at right angles with the long axis, and the second part of said second pack-shaped component extends parallel to the long axis of said housing and along a long side of said housing.

Claim 14

The system according to claim 11, wherein said first receptacle and said second receptacle are spaced apart along the long axis of said housing.

Claim 15

The system according to claim 7, wherein said housing has a flat upper surface, and an input/display section is mounted on the upper surface, for inputting data and displaying data.

Claim 16

The system according to claim 13, further comprising a pen for inputting data to said input/display section, said pen is removably held in said second receptacle.

Claim 17

The system according to claim 14, wherein the second part of said second pack-shaped component has a pen-holding section for holding said pen.

Claim 18

The system according to claim 7, wherein said first pack-shaped component is a first battery pack functioning as a power supply for driving components contained in said housing, and said second pack-shaped component is a second battery pack having a greater power-storage capacity than said first battery pack.

Claim 19

The system according to claim 16, wherein said second battery pack has a plurality of batteries and a case containing the batteries, said case comprising a lower section, an upper section coupled to the lower section and an intermediate frame interposed between the lower section and the upper section, said lower section and said intermediate frame defining a battery receptacle which contains said batteries and said upper section and said intermediate frame defining said pen-holding section.

Claim 20

The system according to claim 16, wherein said housing has a bottom, and the second part of said second pack-shaped component has a support wall which overlaps the bottom of said housing.

Claim 21

A portable data-processing system comprising: a box-shaped housing having an upper surface and a bottom surface which oppose each other and four side surfaces continuous to the upper surface and the bottom surface, said housing having a battery receptacle opening in a corner defined by said bottom surface and two opposing ones of said four side surfaces, and having a pen receptacle located at an end opposite to said battery receptacle; a data input section mounted on the upper surface of said housing, for inputting data; a pen removably held in said pen receptacle, for inputting data into said data input section; a first battery pack removably fitted in said battery receptacle and functioning as a power supply for driving components contained in said housing; and a second battery pack capable of being removably fitted in said first receptacle in place of said first battery pack and having a greater power-storage capacity than said first battery pack, wherein said second battery pack has a first part which is to be removably fitted in said battery receptacle and a second part which is a hollow cylindrical member connected to the first part and which is to be located outside said housing, said second part having an engagement member which faces away from said first part and which is capable of being removably fitted in said pen receptacle.

Claim 22

A portable data-processing system comprising: a box-shaped housing having an upper surface and a bottom surface which oppose each other and four side surfaces continuous to the upper surface and the bottom surface, said housing having a battery receptacle opening in a corner defined by said bottom surface and two opposing ones of said four side surfaces, and having a pen receptacle located at an end opposite to said battery receptacle; a data input section mounted on the upper surface of said housing, for inputting data; a pen removably held in said pen receptacle, for inputting data into said data input section; a first battery pack removably fitted in said battery receptacle and functioning as a power supply for driving components contained in said housing; and a second battery pack capable of being removably fitted in said first receptacle in place of said first battery pack and having a greater power-storage capacity than said first battery pack, wherein said second battery pack has a first part which is to be removably fitted in said battery receptacle and a second part which is a hollow cylindrical member connected to the first part and which is to be located outside said housing, said second part having an engagement member which faces away from said first part and which is capable of being removably fitted in said pen receptacle.

Claim 23

The system according to claim 19, wherein the second part of said second battery pack has a pen-holding section for holding said pen.

Claim 24

The system according to claim 19, wherein said engagement member is attached to said second part and capable of moving between a first position where said engagement member fits into said pen receptacle and a second position engagement member is released from said pen receptacle.