Abstract: There is provided a configurable electronic circuit board which comprises a board including many modular sockets in a minimum unit each having a size and the number of pins both standardized, the modular sockets being arranged regularly parallely and connected to each other at terminals thereof through simple wirings, a pin adapter composed of adapter pins insertable into the modular socket, of an adapter socket into which electronic circuit parts are insertable, and of socket wirings for making connection between the adapter socket and the adapter pins, a switching station adapter composed of adapter pins insertable into the modular socket, and of a wiring changeover switch and a fuse for determining the connection of wiring among the adapter pins, and a bypass adapter being inserted into a modular socket not used, and composed of adapter pins insertable into the modular socket, and of fixed wiring for simply bypass-connecting among the adapter pins, whereby an arbitrary circuit is realizable by inserting ea

Abstract: There is provided a programmable one-board computer comprising a system board including wirings, one or more of microprocessor chips disposed at the center of said system board, and a plurality of programmable logic devices (PLD) disposed to surround said one or more of the microprocessor chips. Each said PLD may include a memory for defining an internal circuit thereof or may substitute partly thereof for an external memory device, or said PLDs may be comprised of large scale PLDs as inner PLDs thereof and small scale PLDs as outer PLDs thereof. The programmable one-board computer can realize an actual circuit altered from a newly designed logic circuit and laid out on the same. The actual circuit laid on the same can be used for verification.

Abstract: An electrical terminal for forming an electrical connector assembly has an electrical wire connecting portion and a tubular terminal connecting portion extending forward from the electrical connecting portion. First and second axes are defined in the cross-sectional plane of the terminal connecting portion. A plurality of slots are formed in the terminal connecting portion with at least one of the slots extending from the free end of the terminal connecting portion toward the electrical wire connecting portion. when the connecting portion of one electrical terminal is fitted in the slot formed in the connecting portion of another electrical terminal, the respective electrical terminals are sequentially connected in a chained fashion in the direction of the first axes, the second axes of the respective connecting portions are parallel to each other, and the first axes of the respective connecting portions are in alignment with each other.

Abstract: The present invention provides a heat transfer process and a heat transfer ink sheet, where a letter or image or both is recorded by selectively heating a heat transfer ink sheet having ink layer regions each containing a sublimable or vaporizable dye by heating by a thermal head controlled by a controlling means, thereby selectively heat transferring the sublimated or vaporized dyes onto a recording sheet, and is characterized by heat transferring a precoating layer for receiving the dyes from the ink sheet onto the recording sheet before the heat transfer recording, and then pressing the ink sheet on the transferred precoating layer on the recording sheet and heating the ink sheet by the thermal head, thereby sublimating or vaporizing the dyes from the respective ink layers onto the precoating layer and forming the letter or image or both on the recording sheet.

Abstract: An electrical connector with an openable cover. The front half of an upper wall of the connector housing is removed to provide an opening with a slide cover provided for covering the opening. A peep notch is formed in the front edge of the upper wall of the connector. The slide cover is configured such that in a closed position a peep gap appears between the rear edge of the slide cover and the front top edge of the connector housing. A retainer mechanism is provided on the cover which comprises an angular projection formed on the slide cover and having a guide surface, and a retainer projection formed on the lower surface of the front edge of the housing whereby the retainer projection is guided by the guide surface to be engaged with the angular projection locking the slide cover in its closed position. A resilient, cantilever type, retainer piece is provided for insuring a positive, locked seating with a mating connector.

Abstract: A method and apparatus for post-packaging testing of one-time programmable memories provided means for assuring that each cell of the memory will appear to a customer to be erased and that it is capable of being programmed. The preferred embodiment of the invention is a microcomputer including one-time programmable memory, but the invention also includes memory-only devices. Marginal reading method and apparatus provide for detecting the threshold voltage of memory cells below the level at which the cell appears to the customer to be erased and marginal programming method and apparatus provide for slightly increasing the threshold voltage of cells in order to ensure their programmability.

Abstract: When the reflection density of the colorants of an ink layer is 1.3 after transfer onto a recording paper, a reflectance of yellow colorant lies in between two diagrams (D.sub.1, D.sub.2) shown in FIG. 1, a reflectance of magenta colorant lies in between two diagrams (D.sub.3, D.sub.4) shown in FIG. 2, and a reflectance of cyan colorant lies in between two diagrams (D.sub.5, D.sub.6) shown in FIG. 3. A color ink sheet realizes an excellent hue, a high luminance factor and high chroma. A wide color specification range and clear image having a high color reproducibility is obtained.

Abstract: A method and apparatus for post-packaging testing of one-time programmable memories provides means for assuring that each cell of the memory will appear to a customer to be erased and that it is capable of being programmed. The preferred embodiment of the invention is a microcomputer including one-time programmable memory, but the invention also includes memory-only devices. Marginal reading method and apparatus provide for detecting the threshold voltage of memory cells below the level at which the cell appears to the customer to be erased and marginal programming method and apparatus provide for slightly increasing the threshold voltage of cells in order to ensure their programmability.

Abstract: A hydraulic pressure control device in a vehicle anti-skid braking system includes a brake master cylinder, a wheel brake actuating cylinder for braking a wheel in response to a fluid pressure from the brake master cylinder, and a directional control valve actuatable in response to a control signal from a control unit which detects a wheel condition such as wheel skidding, for returning a braking fluid from the wheel brake actuating cylinder via a return passage to a fluid pressure supply passage connected to the master cylinder. The return passage has an accumulator for storing part of the fluid from the wheel brake actuating cylinder in an anti-skid control mode. A fluid overflow from the accumulator is delivered via a restriction in the supply passage to the master cylinder to act on the brake pedal as a pedal reaction.

Abstract: A thermal transfer recording sheet comprising a substrate and ink layer formed thereon containing one or more sublimable dyes and a high-molecular-weight polyamide obtained from dimer acids as a binder is good in adherence of the ink layer to the substrate, and thermal transfer properties to give clear color hard copies.

Abstract: A hydraulic pressure control device in a vehicle anti-skid braking system includes a brake master cylinder, a wheel brake actuating cylinder for braking a wheel in response to a fluid pressure from the brake master cylinder, a directional control valve actuatable in response to a signal from a control unit which detects a wheel condition such as wheel skidding, and a pressure control valve for disconnecting the brake master cylinder from a fluid pressure supply passage when a fluid pressure is supplied from the wheel brake actuating cylinder into a fluid pressure return passage connected to the pressure control valve when the directional control valve is actuated.

Abstract: An anti-skid brake system for a brake cylinder of a vehicle, comprising: a primary fluid passage for connecting a master cylinder to the brake cylinder; a solenoid-operated directional control valve disposed in the primary fluid passage for communication of the brake cylinder selectively with the master cylinder or a brake fluid reservoir; a control device sensing a skidding condition of a wheel at which the brake cylinder is disposed, and controlling the directional control valve according to the sensed skidding condition of the wheel; a restrictor disposed in the primary fluid passage in series connection with the directional control valve; and a shut-off valve disposed in the primary fluid passage in parallel connection with the restrictor and controlled by the control device, the shut-off valve being normally placed in its open position, and brought into its closed position at the time when the control device has started to activate the directional control valve for preventing the wheel from skidding.

Abstract: A hydraulic pressure control device in a vehicle anti-skid braking system includes a wheel brake actuating cylinder for braking a vehicle wheel, a fluid pressure supply passage connected between a master cylinder and the wheel brake actuating cylinder and having a restriction, and a first directional control valve disposed in the fluid pressure supply passage and having at least pressure-increasing and pressure-decreasing modes, the first directional control valve being normally in the pressure-increasing mode to connect the master cylinder to the fluid pressure supply passage. A second directional control valve is connected between the master cylinder and the wheel brake actuating cylinder, the second directional control valve being normally open to provide a bypass passage across the first directional control valve to connect the master cylinder passage to the wheel brake actuating cylinder.

Abstract: A regulator valve for a hydraulic anti-skid apparatus and which includes a housing provided with a first inlet port for connection to a fluid pump and the anti-skid apparatus, a second inlet port for connection to a master cylinder, and an outlet port for connection to a fluid reservoir, a regulator piston reciprocably disposed within the housing to form a first fluid chamber in open communication with the first inlet and outlet ports and a second fluid chamber in open communication with the second inlet port, and a spring loaded annular valve seat member arranged within the first fluid chamber to cooperate with a valve part of the piston so as to control the fluid flow from the first inlet port to the outlet port in response to the difference in pressure between the fluid chambers. A support member is arranged within the first fluid chamber formed therein with an axial bore in which a large diameter portion of the piston is slidably disposed to form a third annular fluid chamber.

Abstract: The disclosure is concerned with a photoconductive member useful for electrophotography wherein a charge generating layer containing a new metal-free phthalocyanine and a charge transport layer containing a nonionic compound of styrylic or oxazol dye base. The photosensitive member exhibits a high sensitivity to light having a long wavelength and therefore, it is properly used as photosensitive member for printers using semiconductor lasers.

Abstract: In an anti-skid braking apparatus for vehicles of the type having a fluid-pressure control valve arranged between a master cylinder and a wheel cylinder for controlling the brake fluid pressure within the wheel cylinder, when it is detected that the vehicle stops, the fluid-pressure control valve is controlled so as to assume a pressure-maintaining mode and a pressure-increasing mode alternately for a predetermined period of time as long as the brake pedal is continuously depressed. As a result, the pressure of the fluid increases stepwise preventing the occurrence of uncomfortable kickback at the brake pedal.

Abstract: A hydraulic pressure control device in a vehicle anti-skid braking system includes a brake master cylinder, a wheel brake actuating cylinder for braking a wheel in response to a fluid pressure from the brake master cylinder, a directional control valve connected between the brake master cylinder and the wheel brake actuating cylinder and shiftable between pressure-increasing and pressure-decreasing modes, and a pressure control valve for connecting the brake master cylinder to a fluid pressure return passage having a reservoir, a pump, and an accumulator when the directional control valve is in the pressure-increasing mode.

Abstract: The disclosure is concerned with an electrophotographic recording medium having a layer of a photoconductive material containing at least one member selected from the group consisting of .tau., .tau.', .eta., and/or .eta.' form metal free phthalocyanine, the layer being formed on an electroconductive supporter.The recording medium of this invention is characterized in that the recording medium exhibits high sensitivity to longer wavelength light.

Abstract: A dustcover used in a disc brake of a vehicle for covering a disc rotor disposed in a wheel disc of cup shape from the opposite side of the wheel disc so as to protect the rotor from splashed mud water. The dustcover is provided with a pair of vent openings respectively open to the frontward direction and the rearward direction of the vehicle formed thereon at a lowered portion thereof than the rotational axis of the rotor. An air collecting portion is formed at the frontwardly open vent opening, gradually expanding in the air flowing area in the frontward direction of the vehicle. The front end of the air collecting portion is projected out of the cup-shaped wheel disc. The air collected by the air collecting portion is allowed to pass rearwardly through the dustcover right along the lower half portion of the rotor for cooling it.

Abstract: A complex type electrophotographic plate comprising an electroconductive support and a charge generating layer and a charge transport layer characterized in that the charge generating layer contains at least a copper phthalocyanine and the charge transport layer contains at least a trinitrofluorenone, has excellent photosensitivity and adhesion to the support.