Abstract: An electronic apparatus is provided with a base unit and a display unit. The base unit has an opening formed on the upper surface. The display unit incorporates a display device and supported by the base unit. The display unit is rotatable between a first position where it is tilted down in such a manner as to cover the upper surface of the base unit and a second position where it is raised in such a manner as to expose the upper surface. The display unit includes a projection portion which is inserted into the opening when the display unit is rotated to the first position. A switch for turning the display device on or off is arranged inside the base unit. The switch includes an operation element opposed to the opening of the base unit. When the display unit is rotated to the first position, the operation element is pushed by the projection portion, thereby turning off the display device.

Abstract: The case includes a peripheral wall having a connector port and a storing portion arranged therein. A connector is located in the case. The connector opposes the connector port. A connector cover is supported by the case. The connector cover is movable among a closed position where the connector is covered, an open position where the connector is exposed to the outside of the case and a storing position in the storing portion where the connector cover is housed.

Abstract: An expanding apparatus for expanding the function of an electronic apparatus comprises a body including a mounting portion having a second connector. The body has an expanding device electrically connected to the second connector. A connector unit is detachably mounted on the mounting portion of the body, and has a third connector and a fourth connector. The third connector of the connector unit is detachably connected to a first connector of the electronic apparatus, and the fourth connector of the connector unit is detachably connected to the second connector.

Abstract: An electronic system includes an electronic apparatus body and an external expansion unit. The electronic apparatus body has a bottom surface and a rear surface. A first connector is arranged on the rear surface. The external expansion unit has a first surface opposing the bottom surface, and a second surface opposing the rear surface. The external expansion unit has a second connector which is detachably connected to the first connector. The external expansion unit has an engaging device. The engaging device is movable between the first position where the engaging device is separated from the bottom surface and the second position where the engaging device is engaged with the bottom surface to pull the electronic apparatus body toward the second surface. The external expansion unit has an operation mechanism for selectively moving the engaging device to the first and second positions.

Abstract: An electronic apparatus comprising a housing, having a side surface in which an inlet is formed. A card storage section is provided in such a manner as to be continuous with the inlet. The card storage section is intended to allow a card-like electronic part to be accessibly inserted there into through the inlet and has a card connector to which the card-like electronic part is detachably connectable. An ejector is arranged within the housing, and intended to eject the card-like electronic part to the outside of the housing through the inlet. Further, the ejector has a slider for pushing the card-like electronic part in a direction where the card-like electronic part is separated from the card connector. The slider is supported by the housing such that it can be slid between a first position where the card-like electronic part has been pushed out though the inlet and a second position where the slider is separate from the card-like electronic part.

Abstract: An electronic apparatus system comprises a portable computer and an expansion unit containing a FDD for expanding the function of the computer. The computer has an inlet into which a memory card having a terminal is accessibly inserted, and a first connector is provided in the inlet, and the terminal of the memory card is detachably connected to the first connector. The expansion unit attaches underneath the computer and has a second connector connected to the FDD. The second connector is accessibly inserted into the third thru an opening in the bottom of the computer and connected to the first connector at the time of the insertion, so that the computer and the expansion unit are electrically connected to each other. The second connector is mounted on a slider.

Abstract: A hinge device comprising a shaft to be connected at one end to a first member, a bracket mounted on the shaft, for supporting a second member such that the second member rotates around said shaft, and wave washers held and compressed between said shaft and said support means. The wave washers generates a friction between said shaft and the second member when the first and second members are rotated relative to each other around said shaft, thus suppressing the rotation of the first and second members.

Abstract: A function expanding apparatus for a compact electronic device includes a casing having a supporting portion and a supporting plate attached to the casing to be movable in a predetermined direction. A pair of retaining portions are formed on the supporting plate. The rear portion of the electronic device is mounted on the supporting portion and is positioned in its width direction by a pair of positioning members provided at the supporting portion. The front end portion of the electronic device is mounted on the supporting plate and the retaining portions engage the front edge of the electronic device so as to restrain the movement of the electronic device in the depth direction thereof. The position of the retaining portion is adjusted by moving the supporting plate, in accordance with the depth of the mounted electronic device.

Abstract: A portable apparatus comprising a base unit and a display unit rotatably connected to the base unit. The base unit has a recess, and the display unit has a first leg portion mounted in the recess. The first leg portion comprises a rear leg segment conjoining a base unit. The first leg portion has a front leg segment fastened to the rear leg segment, defining a guide path between the front leg segment and the rear leg segment. The leg segments, fastened together, form a shaft having a guide path communicating with the guide path. An opening is formed in one of the side walls defining the sides of the recess and also in the wall defining the bottom of the recess, thus allowing access into the base unit. A support segment is removably fitted in this opening, supporting the shaft such that the shaft can rotate. The portable apparatus further comprises a flexible cable which extends from the base unit into the display unit, guided through the opening, the guide path.

Abstract: An electronic apparatus system comprises a portable computer and an expansion unit containing a FDD for expanding the function of the computer. The computer has an inlet into which a memory card having a terminal is accessibly inserted, and a first connector is provided in the inlet, and the terminal of the memory card is detachably connected to the first connector. The expansion unit attaches underneath the computer and has a second connector connected to the FDD. The second connector is accessibly inserted into one inlet through an opening in the bottom of the computer and connected to the first connector at the time of the insertion, so that the computer and the expansion unit are electrically connected to each other.

Abstract: A portable apparatus comprising a base unit and a display unit rotatably connected to the base unit. The base unit has a recess, and the display unit has a first leg portion mounted in the recess. The first leg portion comprises a rear leg segment conjoining a base unit. The first leg portion has a front leg segment fastened to the rear leg segment, defining a guide path between the front leg segment and the rear leg segment. The leg segments, fastened together, form a shaft having a guide path communicating with the guide path. An opening is formed in one of the side walls defining the sides of the recess and also in the wall defining the bottom of the recess, thus allowing access into the base unit. A support segment is removably fitted in this opening, supporting the shaft such that the shaft can rotate. The portable apparatus further comprises a flexible cable which extends from the base unit into the display unit, guided through the opening, the guide path.

Abstract: An expansion device which includes a device body which has first and second side surfaces and a bottom surface continuous with the first and second side surfaces. A power cord of the device leads out from the first side surface, and a plug is provided at an extended end of the power cord. The plug is adapted to be connected to a power socket of the electronic apparatus. The device body includes a guide groove formed in the bottom surface, in which part of the power cord is removably fitted. The guide groove includes a first portion having one end open to the first side surface and the other end in the bottom surface, a second portion extending from the other end of the first portion to the first side surface, and a third portion extending from the other end of the first portion to the second side surface.

Abstract: A function expanding apparatus for electronic devices having a mechanism for supporting a connector body. Two elastic members hold a connector body which is freely slidable between the two elastic members. The connector body is movable in multiple directions so as to connect to the electronic apparatus.

Abstract: A portable computer comprises a base unit to which a keyboard and a display unit are attached. First and second batteries, functioning as a drive power source, are attached to the base unit. An optional component may be attached to the base unit in place of the second battery. The optional component, for example, can be a modem device to be connected to a telephone line or an additional memory unit. In the base unit, there is formed a first mounting recess to which the first battery is detachably attached, and a second mounting recess to which the second battery or the optional component is selectively detachably attached. A connector as provided entirely within the base unit to permit connection to the component mounted in the second mounting recess. When the optional component is mounted in the second mounting recess, an adaptor interconnects the connector and the optional component.

Abstract: A pocket computer includes a base body having a battery pack storage area with an access opening section defined in the peripheral wall. A battery pack is loaded and unloaded into and out of the battery pack storage area. The battery pack has electrodes and an engaging section provided at its lower wall. Contacts 31 are provided in the battery pack storage area in a manner to contact with the electrodes of the battery pack and to impart a force to the battery pack in a direction to push the battery pack toward the access opening section. Engaging members are provided in the bottom wall of the battery pack storage area to be latched and unlatched to and from the associated engaging section of the battery pack 25. A projection and holding member are provided on the battery pack storage area and battery pack, respectively, to hold the battery pack in the battery pack storage area and release the holding of the battery pack in the battery pack storage area.

Abstract: A portable apparatus comprising a base unit and a display unit rotatably connected to the base unit. The base unit has a recess, and the display unit has a first leg portion mounted in the recess. The first leg portion comprises a rear leg segment conjoining a base unit. The first leg portion has a front leg segment fastened to the rear leg segment, defining a guide path between the front leg segment and the rear leg segment. The leg segments, fastened together, form a shaft having a guide path communicating with the guide path. An opening is formed in one of the side walls defining the sides of the recess and also in the wall defining the bottom of the recess, thus allowing access into the base unit. A support segment is removably fitted in this opening, supporting the shaft such that the shaft can rotate. The portable apparatus further comprises a flexible cable which extends from the base unit into the display unit, guided through the opening, the guide path.

Abstract: A portable apparatus comprising a base unit and a display unit rotatably connected to the base unit. The base unit has a recess, and the display unit has a first leg portion mounted in the recess. The first leg portion comprises a rear leg segment conjoining a base unit. The first leg portion has a front leg segment fastened to the rear leg segment, defining a guide path between the front leg segment and the rear leg segment. The leg segments, fastened together, form a shaft having a guide path communicating with the guide path. An opening is formed in one of the side walls defining the sides of the recess and also in the wall defining the bottom of the recess, thus allowing access into the base unit. A support segment is removably fitted in this opening, supporting the shaft such that the shaft can rotate. The portable apparatus further comprises a flexible cable which extends from the base unit into the display unit, guided through the opening, the guide path.

Abstract: A case having a flat recess in the base thereof is provided together with a flat hard disk drive device adapted to be fitted into the recess. In mounting the disk drive device in the recess, the drive device is gradually put into the recess by means of lock mechanisms after being temporarily stopped in the middle of the housing operation. By doing this, the hard disk drive device can be fitted into the recess with a reduced impact thereon.

Abstract: An expansion device includes a box-like device body and a second battery pack. The body includes a hard disc drive therein, a fitting recess open to the outer surface of the body, power-receiving terminals provided in the fitting recess and connected to the hard disc drive, and a second connector adapted to be connected to a first connector of a personal computer. The second battery pack is designed to be removably mounted in a battery mount portion, in place of a battery pack of the computer, and includes a coupling portion removably fitted in the fitting portion, and first and second power-supply terminals. When the second battery pack is mounted in the mount portion while the coupling portion is fitted in the fitting recess, the device body is coupled to the computer in a state where the second connector is connected to the first connector and the first and second power-supply terminals contact power-receiving terminals of the computer and the power-receiving terminals of the device body.

Abstract: A compact electronic apparatus includes a housing substantially in the form of a rectangular prism. The top face of the housing includes a substantially rectangular front half portion on which a keyboard unit is mounted and a substantially rectangular rear half portion continuous with the rear face. The housing includes a pair of receiving recess openings to the rear half portion of the top surface and the rear surface. A battery pack and an optional component each having substantially the same shape as their respective recess, are each removably fitted in their receiving recess. The battery pack and optional component each have an outer surface which is exposed to the outside and constitutes part of the rear face of the housing and part of the rear half portion of the top face when the battery pack optional component are fitted in their respective receiving recess.