Abstract: An illumination type keytop is disclosed, in which a transmitted light restricting member is disposed opposite to a display portion formed in a part of a light intercepting layer and a colored and transparent filter member is disposed on the rear side thereof so that the display portion can be illuminated with light having a high directivity, which has passed through the transmitted light restricting member, at the illumination in the night, etc.

Abstract: A switch device is provided in which the coupling members are flexible in a plane perpendicular to the reciprocating direction of the driving bar. This allows significantly decreasing the length of the coupling members in the reciprocating direction so that a thinner switch device can be provided.

Abstract: A constant tension device for peeling an ink ribbon away from a printing medium during a correction operation in which ink printing produced by a thermal transfer printer is erased, a roller mounted on the printer is pressed against another roller mounted on a ribbon cassette, an ink ribbon is trained over the roller mounted on the ribbon cassette and between the two rollers, and the ink ribbon is stretched by the rotation of the roller mounted on the ribbon cassette which is rotated with a constant speed so as to provide a constant tension so that the ribbon is reliably peeled away from the printing medium.

Abstract: A tape player which is reduced in number of parts to permit the space on a head base to be utilized effectively and easy to assemble. The tape player comprises a pinch roller shaft secured to a head base, and a torsion coil spring interposed between the head base and a slide base for urging the head base toward a reel base. When the slide base is moved toward the reel base, the head base is moved in the same direction by way of the torsion coil spring. When the slide base is further moved after stopping of the head base with the pinch roller contacted with a capstan, the torsion coil spring is compressed thereby to resiliently contact the pinch roller with the capstan with a tape held therebetween. The slide base has first and second guide elements formed thereon. The first guide element is fitted in a first guide slot formed in the head base to guide the head base for sliding movement on the slide base.

Abstract: A clock spring interconnector connects a fixed member and a movable member using a flexible cable. The clock spring interconnector includes a first direction winding portion, a second direction winding portion and a turned back portion therebetween, the first direction winding portion having an end secured to one side of one of the fixed member and the movable member, the second direction winding portion having an end secured to another side of the other one of the fixed member and the movable member.

Abstract: A tape guide driving device for a rotating head type tape player having a mechanism for moving separately from each other a pinch roller and a tape guide. The rotating head type tape player includes a rotating head device, a capstan, and a tape feeding member that pulls a magnetic tape from an inserted cassette pack and moves it to a position at which it is wound on the rotating head device and to the position of the capstan provided on a chassis. A roller lever is provided that supports the pinch roller and moves the pinch roller from a position opposed to the inside of the tape within a cassette pack to the position close to the capstan, and a guide lever supports the tape guide and moves the tape guide from a position opposed to the inside of the tape within the cassette pack.During operation, the guide lever is pressed by the movement of the roller lever having the pinch roller which causes the tape guide to move.

Abstract: A power seat switch device for adjusting a seat position having a single operating knob, a sliding member cooperatively connected to the operating knob, and three lever switches adapted to be selectively operated by the motion of the sliding member. When the common operating knob is moved in one of two opposite directions, the first switch is operated to move the seat to the front and to the rear. On the other hand, when the operating knob is rotated at one end, the sliding member is pivoted about the third switch, thereby operating the second switch. As a result, the height of the front portion of the seat is adjusted. In contrast, when the operating knob is rotated at its other end, the sliding member is pivoted about the second switch, thereby operating the third switch. As a result, the height of the rear portion of the seat is adjusted.

Abstract: An automotive audio device includes a handle provided at a front operation board of the audio device so that the audio device is readily removed or mounted with respect to an inner case fixed to a dashboard of a car by merely moving the handle vertically. With this arrangement, a user never feel it troublesome to remove the audio device from the dashboard and bring it with him for the antitheft purpose when he leaves the car.

Abstract: An X-Y stage including a fixed plate, a moving plate adapted to linearly reciprocatively move relative to the fixed plate, and an ultrasonic linear motor provided on either the fixed plate or the moving plate. The ultrasonic linear motor is provided with at lest two leg portions oriented in a direction perpendicular to a moving direction of the moving plate, a body portion for connecting base ends of the leg portions, and vibration sources for vibrating the leg portions and the body portion. The leg portions have free ends pressed against the other of the fixed plate on which the motor is not provided and the moving plate.

Abstract: A head for a wire dot printer wherein the distance between each pair of adjacent armatures in a circumferential direction of a housing can be minimized to allow reduction in size of the head. The head includes a plurality of armatures each of which has a laterally extending tab formed on one side and a recess formed on the other side of of an outer end portion thereof. A guide member is located between each two adjacent ones of the armatures and has a recess and a tab formed on opposite sides of an outer end portion thereof. The recess and the tab of the guide member fit with the tab of one of the adjacent armatures and the recess of the other adjacent armatures, respectively.

Abstract: A push button switch used for a personal computer or a word processor, which uses a membrane switch in a contact portion. The push button switch comprises a casing, a key top slidably guided along the casing, a contact portion arranged below the key top, an actuator rotatably supported on the casing to open and close the contact portion, a spring retained in a curved orientation between the actuator and the top key, and a click portion provided on the actuator by which a curved side of the spring is pressed, the clock portion of the actuator actuated by downward movement of the key top urging the side of the spring so as to invert the curved orientation of the spring.

Abstract: Disclosed is an automatic carrier system having one or more self-propelled robotic carriers for carrying products-in-assembly between assembly stations of an automated assembly line. The running speed and stopping position of individual carriers is controlled by command indicators. The carriers are capable of stopping within a small distance of a desired position relative to an assembly station. Each carrier supports a pallet upon which is slidably disposed a subpallet. Each assembly station has a robotic arm upon which is located a positioning member and an assembling tool. Accurate positioning of product-in-assembly is effected by lowering the positioning member, which comprises two cylinders with tapered openings, over a pair of positioning projections mounted on the slidable subpallets. As the positioning projections slide within the tapered opening of the positioning member cylinders, the sloped surface of the tapered opening causes the positioning projections to move toward the center of the cylinders.

Abstract: Am optical writing head which is simplified in construction and reduced in production cost. The optical writing head comprises a light emitting means, and a substrate on which the light emitting means is mounted. The substrate has a light transmitting property at a portion thereof which opposes to the light emitting means. Light emitted from the light emitting means is taken out through the substrate so that it may be irradiated upon a light receiving body. A fiber bundle may be provided with one end opposed to the light emitting means and with the other end opposed to an object for exposure. Where the head is of a type wherein it contacts with an object when it optically writes, the other end of the fiber bundle is formed into a curved face, but where the head is of another type wherein it does not contact with an object when writing, a gas blowing out means is provided to assure a gap between the other end of the fiber bundle and an object.

Abstract: According to the invention, there is provided a stepping motor comprising a laminate type torsion actuator having a pair of cylindrical outer peripheries to be torsionally displaced relative to each other, a cylindrical fixed member surrounding said laminate type torsion actuator with certain space therebetween, first longitudinally vibrating elements placed between said fixed member and one of the cylindrical outer peripheries of said laminate type torsion actuator for selectively connecting or separating the fixed member and the torsion actuator through its elongation or contraction, second longitudinally vibrating elements placed between said fixed member and the other cylindrical peripheries of said torsion actuator with certain space therebetween for selectively connecting or separating the fixed member and the torsion actuator through its elongation or contraction with a phase inverse to that of the first elements.

Abstract: A membrane switch comprises a pair of flexible sheets connected together with the respective inner surfaces thereof provided with contacts and terminals respectively connected to the contacts facing each other and spaced apart by a spacer, and an output flat cable held between the pair of flexible sheets with the leader lines thereof in electrical contact respectively with the terminals. One of the contacts is formed on the inner surface of one of the pair of flexible sheets by evaporation and etching. The rest of the contacts are formed on the inner surface of the other flexible sheet by evaporation and etching. A connecting film is formed over the periphery of the inner surface of at least one of the pair of flexible sheets.

Abstract: A kind of glass for magnetic head having a property of absorption of light and a property of adhesion in the molten state is produced as follows: CuO and Cr.sub.2 O.sub.3 are added to the glass of PbO-B.sub.2 O.sub.3 -SiO phase in order to increase the absorption rate from a laser beam. TeO.sub.2 is added in order to decrease the viscosity of the molten material and to increase the molten viscosity and the wettability to ceramics and ferrite which are bonded. It can be used in the fabrication of the magnetic head and the floating magnetic head. In particular the glass melts easily when irradiated by a xenon arc beam and other lasser beams.

Abstract: An apparatus for producing a dough roll is provided, in which a dough piece is held between the conveying path of a conveyor and the parallel and spaced-apart projections extending along the conveying direction, or held between the similar projections of a conveyor and the lower surface of a belt or roller system, while being moved downstream, passes between a pair of vertically juxtaposed rollers to be uniformly stretched without any lateral deformation of the rear portion of the dough piece due to irregularly gathered gases therein, and a symmetrically formed dough roll is produced.

Abstract: An automotive motor-driven device controlling and driving system for controlling and driving the respective ultrasonic linear motors of a plurality of automotive motor-driven devices, such as power seats, power windows and power antenna. The automotive motor-driven device controlling and driving system comprises a power circuit connected to the battery of an automobile, a single ultrasonic oscillator, a plurality of power amplifiers having input terminals connected to the power circuit and the ultrasonic oscillator, and output terminals connected through motor control switches to the ultrasonic linear motors, respectively, and a control unit for controlling the power circuit, the ultrasonic oscillator and the power amplifiers.

Abstract: An improvement of a tape cassette ejecting mechanism is disclosed in which a tape cassette with a malfunctioning lid can be properly ejected. A lid closing device is provided for closing a malfunctioning lid of a tape caassette. An arm is also provided for bringing the tape cassette up to a manually accessible position upon pushing of the arm.

Abstract: A lead wire mounting structure for an electroluminescence including a first retainer plate having a plurality of bosses some of which are to be inserted through sealing films of the electroluminescence, and a second retainer plate having a plurality of holes to be engaged with the bosses, wherein the first and second retainer plates are opposed to each other in such a manner as to sandwich marginal end portions of the sealing films, the terminals projecting from the sealing films, and end portions of the insulated lead wires fixedly connected to the terminals, and the bosses of the first retainer plate inserted into the holes of the retainer plate are caulked to firmly hold the marginal end portions of the sealing films and the end portions of the insulated lead wires.