Abstract: A photoelectric touch panel comprising arrays of equally spaced light emitting elements and photosensitive elements disposed in a frame configuration on the circumference of a CRT display screen in which a matrix of infrared beams is formed in front of the screen. The photoelectric touch panel has a light shielding plate formed into a comblike shape disposed such that each comb tooth thereof is interposed between said photosensitive elements.

Abstract: A whisker of molybdenum oxide in the form of a filament, rod or flake. Molybdenum oxide whiskers are produced by firing metallic molybdenum at a temperature of at least 400.degree. C., preferably at least 800.degree. C., in an atmosphere containing oxygen, or by firing an organic molybdenum compound in an atmosphere containing oxygen at a temperature which is at least equal to its thermal decomposition temperature. They are very strong crystals which are expected to be useful as a filler for plastics and for a variety of other applications.

Abstract: In a method of manufacturing a magnetic sensor by etching a ferromagnetic film on a substrate with an etching solution to form a plurality of magnetoresistive elements of a given width disposed in a row in parallel with each other on the substrate, wherein the magnetoresistive elements are connected by bridge circuits so that the magnetic sensor can be used in proximity to a rotating magnetic member to detect rotation information based upon changes in electrical resistance in the magnetoresistive elements, the improvement comprising the steps of etching the ferromagnetic film to form dummy elements outwardly of each end of the row of magnetoresistive elements so as to allow all of the magnetoresistive elements to be formed of a uniform width by preventing the magnetoresistive elements at each end of the row from being affected by etching solution collected in the spaces outwardly of the ends of the row; where the etching of the dummy elements occurs simultaneously with the etching of the magnetoresistive elem

Abstract: A switch device having a casing, an actuator swingably supported to the casing, a plurality of projections suspended down from the lower surface of the actuator for changing over a switch by pressing a plurality of switch elements arranged in the casing which has a partition plate for separating the actuator and the switch element in the casing, a plurality of operation openings perforated at the partition plate for the actuators of the switch elements, and rubber pressing gaskets which transfer movement of the actuator projections to movement of switch elements and seal the upper portion of the casing from the lower portion in which the switch elements are located. Thus, the switch device can provide high waterproofness with a simple construction.

Abstract: A device for activating the pen of a printer comprises a push member and for pushing the pen toward the platen of the printer, a connecting lever secured to the push member, a driving lever for imparting a driving motion to the push member via the connecting lever. The driving lever is provided with a grooved cam in which the tip of the connecting lever is inserted so as to be slidable along the cam.

Abstract: Disclosed is a double cassette tape player wherein a single magnetic head is used to perform the playback and recording operations for both cassette tapes. The cassette tapes are each mounted in a cassette mounting section and the magnetic head is mounted on a head base which is slidably mounted on a sliding member disposed on the chassis. A drive mechanism is provided to move the head base in reciprocating fashion on the sliding member such that the magnetic head can move from one cassette tape to the other, thereby eliminating the need for a magnetic head for each cassette tape.

Abstract: A thermal head having an overcoating layer formed by a material in which a metal element is added to a sialon. The sialon is silicon (Si)-aluminum (Al)-oxygen (O)-nitrogen (N) compound. Thus, the thermal head can print at a high speed, increase its printing life and provide stable printing life.

Abstract: A call arrival notification method for a motor vehicle provided with a telephone system and a theft-preventing system allows the telephone system to be set to the call arrival notification mode. When a call arrives in the call arrival notification mode, the telephone system signals the call arrival to the theft-preventing system. The theft-preventing system transmits indication of the call arrival to a remote control unit which turns on/off the operation of the theft-preventing system, and the remote control unit provides a call arrival notification by a recognizable sound and display.

Abstract: A code reading apparatus of a bar code reader which has detecting means for outputting a reading signal responsive to the code displayed on a medium, edge detecting means for detecting the edge of the reading signal, counting means for starting counting each edge detected by the edge detecting means. Discriminating means outputs a reset signal to decoding means when the counted value started for counting by the counting means is a product or more of the quotient produced by dividing the allowable maximum width of the code by the allowable minimum width and the counted value counted between the edges immediately before by the counting means, when the quotient produced by dividing the counted value started for counting by the counting means by the counted value counted between the edges immediately before is a quotient or more produced by dividing the allowable maximum width of the code by the allowable minimum width.

Abstract: A method of re-correcting the position of a head is used in a disk driving device including a zero track restoring arrangement for electrically detecting the zero track position on a magnetic disk, and including a track counter indicating the track position of the magnetic head. The method is configured to monitor the track number of the track counter and never fails to effect re-correction of the position of the head when the track number is "0" or "1".

Abstract: A rotary wheel printer such as a daisy wheel printer comprises a rotatable platen for winding a print paper sheet partially therearound, a carriage movable along the platen, a type wheel mounted on the carriage in confronting relation to the platen and having a plurality of type fonts and a correcting section. First drive means are mounted on the carriage for driving the type wheel to rotate about its own axis, and hammer means are also mounted on the carriage for moving toward one of the type fonts or one of the correcting sections while it is held at rest in a printing position. Second drive means are mounted on the carriage for driving the hammer means, and ribbon feeder means are provided for successively feeding ink ribbon accommodated in a ribbon cassette mounted on the carriage and a correcting ribbon accommodated in the ribbon cassette.

Abstract: A communication apparatus is used in a radio control apparatus for remotely controlling the locking and unlocking of the doors or trunk of a vehicle and other uses. In this communication apparatus, a leader pulse having a predetermined duration is transmitted from the transmitter to the receiver prior to transmission of data. The receiver is intermittently operated for a period shorter than the duration of the leader pulse by periodic operating pulses issued for connecting its circuits to a battery power source, and detects the transmission of a leader pulse in order to hold the receiver in the operating condition for a predetermined period sufficient to receive the following data pulses.

Abstract: An automatic fine tuning (AFT) circuit for a CATV receiver system of a double conversion type having a first local oscillator and a second local oscillator and a first mixer and a second mixer respectively supplied with oscillation outputs from the first and second local oscillators is disclosed. A reception signal is sequentially subjected to frequency conversation by use of the first and second mixers so as to attain an intermediate frequency signal of a predetermined value.

Abstract: A magnetic head has a head core and a slider integrally formed with the head core, and sidewardly projecting flanges formed on a rear side of the magnetic head to be mounted against the back surface of a mounting plate for the magnetic recording/reproducing device. As a result, the height from the mount surfaces to a slide surface of the magnetic head does not vary when it is assembled on the recording/reproducing device.

Abstract: In a thin-film transistor array, a plurality of gate buses and a plurality of source buses are formed on a substrate in such a manner that said gate buses are intersected with said source buses at crossover portions, and a plurality of thin-film transistors are formed on the substrate adjacent to the crossover portion, which are connected to the gate buses and source buses for a driving purpose.Furthermore, an auxiliary bus is formed on either the gate buses, or source buses, shortcircuited portions of which are cut out by means of laser trimming so as to conduct the gate buses or source buses.

Abstract: In a vehicle speed control apparatus for an internal combustion engine vehicle, in which the first amount of fuel supply required for maintaining the vehicle speed at a desired speed and the second amount of fuel supply corresponding to the amount of depression of an accelerator pedal are separately calculated, the apparatus comprises a selector for selecting the larger of the first and second amount of fuel supply to control the fuel adjusting member, and a modifying circuit for modifying the output data showing the first amount of fuel supply to cause it to slowly change, taking into account the value of the second data showing the second amount of fuel supply just before the second amount of fuel supply becomes smaller than the first amount of fuel supply, whereby the vehicle speed is prevented from being rapidly decelerated when the mode of vehicle speed control is changed from that by the second data to that by the first data.

Abstract: A photoconductive film includes at least one kind of bis-azo pigments and exhibits a high sensitivity. The film may be used as an electrophotographic light-sensitive element.

Abstract: Disclosed is a disk drive apparatus in which relative positional relation of head and recording medium is optimized in order to assure the best condition for the recording and replay of picture. Namely, the height of pad can be changed so that the relative positional relation of recording medium surface and head can be optimized by the adjusting screws provided to the fulcrum point of pad and accordingly satisfactory condition of contact between the head and recording medium surface can be assured.

Abstract: A pyrimidine compound represented by the general formula: ##STR1## where m and n represent respectively integers as: 4.ltoreq.m.ltoreq.8 and 6.ltoreq.n.ltoreq.14. Pyrimidine compound according to the present invention shows Sc* phase at a low temperature below the room temperature and has extremely large spontaneous polarization as compared with the conventional compound, the performance of the liquid crystal element can be improved significantly.

Abstract: A photodetecting circuit for detecting radiation emitted from a light emitting element in the presence of ambient radiation is disclosed. The circuit includes a first and a second synchronizing on/off input signal having a predetermined period, each signal being complementary to the other. When the first synchronizing signal is "on", the second synchronizing signal is "off" and the circuit can detect the amount of ambient radiation. When the first synchronizing signal is "off", the second synchronizing signal is turned "on" and the light emitting element is energized and the circuit detects the amount of radiation emitted therefrom. The circuit prevents erroneous readings of radiation emitted from the light emitting element when the amount of detected ambient radiation is high.