摘要:
An optical and electric signals transmission apparatus includes a receptacle having a light-receiving element and/or a light-receiving element and electrical connecting terminals, a plug having electrical connecting terminals to establish electrical coupling with the receptacle and optical coupling with the light-emitting element and/or the light-receiving element, an electric signal transmission line, and an optical signal transmission line. The receptacle has a fitting recess, and when the plug is fitted in the fitting recess in a direction substantially perpendicular to the optical axis of the light-emitting element or the light-receiving element, the optical coupling, the electrical coupling, and engagement of the receptacle with the plug are established at a location where the fitting recess and the plug are adjacent to each other.
摘要:
An optical semiconductor device 1a includes a lead frame 4 having a through hole 7, a semiconductor optical element 3 which is placed on one surface of the lead frame 4 for an optical portion 6 to face and overlap with the through hole 7, a first molding portion 9 of a non-transparent molding resin which covers the semiconductor optical element 3 and is placed on one surface of the lead frame 4, and a second molding portion 10 of a transparent molding resin which covers the through hole 7 and is placed on the other surface of the lead frame 4. An area of a confronting surface of the second molding portion 10 confronting the first molding portion 9 is smaller than an area of a confronting surface of the first molding portion 9 confronting the second molding portion 10.
摘要:
The input device which includes a reflection type optical sensor having light emitting means and light receiving means; an operation section disposed facing the optical sensor, the operation section being tilted when a load is applied thereto; and output means for detecting a tilt status of the operation section based on signals from the light receiving means and outputting detected results to a computer body as positional information.
摘要:
The input device which includes a reflection type optical sensor having light emitting means and light receiving means; an operation section disposed facing the optical sensor, the operation section being tilted when a load is applied thereto; and output means for detecting a tilt status of the operation section based on signals from the light receiving means and outputting detected results to a computer body as positional information.
摘要:
A thermal printing head includes an insulating substrate formed of a heat resisting cloth impregnated with a heat resisting resin. A plurality of heating elements of an electrically resistive material are linearly disposed on the substrate. A shield layer is interposed between the heating elements and the substrate for preventing the substrate from exerting chemical influence on the heating elements. A plurality of conduction controlling devices mounted on the substrate is included for controlling electric conduction of the heating elements corresponding to print data. A common electrode is formed on the substrate for commonly connecting an end of each of the heating elements. A discrete electrode is formed on the substrate for connecting the other end of each of the heating elements to the conduction controlling device. Finally, metal layer is interposed between the heating elements and the electrodes for connecting both of them in an ohmic contact.
摘要:
A salat time alarm electronic timepiece is implemented with a one chip microcomputer. An outer read only memory is installed in the electronic timepiece for storing the sunrise time data and the sunset time data at various cities in world. The system reads out sunrise time and sunset time data from the outer read only memory and calculates five salat times of the present day. The thus calculated salat time data is stored in a storage means and compared with the current time data to provide an alarm sound when the current time reaches one of the five salat times.