Abstract: An antenna device includes an antenna, a case accommodating the antenna therein, a sealing cap partially inserted into the case, and a connection terminal extending from the antenna in a predetermined direction. The sealing cap includes an insert portion inserted into the case, and a connector portion exposed from the case. The minimum width of the case in a direction perpendicular to the predetermined direction is smaller than the minimum width of the connector portion in a direction perpendicular to the predetermined direction. This antenna device is flexibly adaptable to a change of a vehicle connector which is inserted into the device, while maintaining a compact size.

Abstract: An electronic device having a configuration which has an operation body formed in substantially a flat shape and in which a side wall of a lower case is brought into elastic contact with an upper case, and a switch provided on a circuit board is sealed in space formed by the circuit board, the side wall and the operation body. A flange that increases the size of the outer shape of the operation body is not required to be formed, it is possible to obtain an electronic device having dustproof and waterproof performances and having a small size.

Abstract: An electronic device having a configuration which has an operation body formed in substantially a flat shape and in which a side wall of a lower case is brought into elastic contact with an upper case, and a switch provided on a circuit board is sealed in space formed by the circuit board, the side wall and the operation body. A flange that increases the size of the outer shape of the operation body is not required to be formed, it is possible to obtain an electronic device having dustproof and waterproof performances and having a small size.

Abstract: A roller device includes a motor and a speed reducer inside a cylindrical roller or arranged coaxially, and an electronic apparatus includes a printer using the roller device. This roller device comprises a motor (5) disposed on a cylindrical roller (2), a sun gear (7), planet gears (8), a first inner tooth gear (10) provided inside of the cylindrical roller (2), and a second inner tooth gear (11) provided inside of a bearing element (12). The rotation of the bearing element (12) is suppressed by a predetermined force. Thus the rotation of the motor (5) is decelerated, and the cylindrical roller is rotated at a reduced speed. By rotating the bearing element with a force greater than a predetermined force, the cylindrical roller can be rotated manually.

Abstract: A roller device eliminating unnecessary space and capable of feeding paper manually realized by disposing a motor and a speed reducer inside a cylindrical roller or coaxially, and an electronic apparatus including a printer using the same are disclosed. This roller device comprises a motor (5) disposed on a cylindrical roller (2), a sun gear (7), planet gears (8), a first inner tooth gear (10) provided inside of the cylindrical roller (2), and a second inner tooth gear (11) provided inside of a bearing element (12). The rotation of the bearing element (12) is suppressed by a predetermined force. Thus the rotation of the motor (5) is decelerated, and the cylindrical roller is rotated at a reduced speed. Besides, by rotating the bearing element with a force more than a predetermined force, the cylindrical roller can be rotated manually.

Abstract: A thermal line printer usable as a small output terminal. A printer body has a platen roller rotatably supported by a casing having side plates on either side thereof. A line-printing type thermal head is swingably supported by the printer body while being resiliently urged toward the platen roller. This arrangement allows the thermal head to be easily mounted on and dismounted from the printer body.