Abstract: This electronic endoscope apparatus comprises an endoscope provided with an imaging apparatus converting a light information of an object to be imaged to an electric signal and a signal processing apparatus processing the output signal of the imaging apparatus to be a video signal. The signal processing apparatus has an isolating device isolating and transmitting the information from the imaging apparatus from the patient circuit side to the secondary circuit side and a converting device converting the signal from the imaging apparatus to a signal adapted to be transmitted by the isolating device and delivering it to the isolating device.

Abstract: In an optical endoscope having an image guide transmitting to the exit end surface an optical image formed by an objective optical system, a video signal of an imaging circuit built in an externally fitted camera is displayed by a displaying device so that, even in case the optical image range of the imaging surface is different, the displayed video signal may be of a proper brightness by a light adjusting element variably controlling the illuminating light amount fed to the optical endoscope on the basis of the output signals of a detector for detecting the optical image range on the imaging surface and a detector for detecting the level of the video signal.

Abstract: A rear suspension for a vehicle including a trailing arm and a link. The trailing arm has inner and outer connections spaced from each other widthwise of a car body and is connected to the car body by a bolt extending through each of bushings disposed in the respective connections. The link has two ends, one end thereof being connected to the car body through a first ball joint having the rotary center thereof disposed on a swinging axis of the trailing arm. The other end of the link is connected to the trailing arm through a second ball joint.

Abstract: A power-assisted gear shift mechanism for a manual transmission includes a lateral casing mounted on a transmission housing, a first lateral shaft rotatably mounted within the casing and being operatively connected to a manual shift lever to be rotated in shifting operation of the shift lever, and a second lateral shaft in the form of a hollow shaft rotatably and axially slidably mounted on the first lateral shaft and being operatively connected to the manual shift lever to be axially moved in selecting operation of the shift lever, the second lateral shaft being integrally provided with a shift-and-select lever which extends into an interior of the transmission housing to be selectively engaged with a plurality of shift heads in axial movement of the second lateral shaft.

Abstract: A coal gasification method using coal powder introduced along with oxygen or air and steam, into a reaction chamber, supplies the char produced in the reaction chamber or the char and coal, along with oxygen or air and steam is introduced into a combustion chamber, formed in lower part of the reaction chamber and burns in the combustion chamber to maintain the temperature therein at about 1,600.degree. C., and forms the high temperature region of the reaction chamber into an agglomerated bed of fluidized coal having a temperature between 900.degree. and 1,300.degree. C.

Abstract: A rear suspension for a vehicle including a trailing arm and a link. The trailing arm has inner and outer connections spaced from each other widthwise of a car body and is connected to the car body by a bolt extending through each of bushings disposed in the respective connections. The link has two ends, one end thereof being connected to the car body through a first ball joint having the rotary center thereof disposed on a swinging axis of the trailing arm. The other end of the link is connected to the trailing arm through a second ball joint.

Abstract: This invention is concerned with an improved Schottky-barrier gate field effect transistor, which comprises a semi-insulating semiconductor substrate, an active layer formed on the surface of the semiconductor substrate and a source electrode, Schottky-barrier gate electrode and drain electrode formed on the active layer, in which the active layer has a first part having such a thickness as to give a predetermined pinch-off voltage and being formed near the gate electrode and a second part having a substantially similar carrier concentration to that of the first part and a larger thickness than the first part and being formed between the Schottky-barrier gate electrode and source electrode, and the upper surfaces of the first part and second part of the active layer are in a same plane.

Abstract: A telescopic assembly includes a yoke supported for rotation on a stationary member, a shaft fitted in telescoping relation inside the yoke, rotatably supported by a movable bracket and capable of being reciprocated together with the movable bracket relative to the yoke, a screw rotatably retained by a stationary bracket, and a nut threadedly engaged with the screw and fixed to the movable bracket. When the screw is rotated, the nut provided on the movable bracket moves axially along the screw so that the movable bracket is moved toward or away from the stationary bracket. Hence, the shaft supported by the movable bracket is displaced axially forward or backward, depending upon the direction of screw rotation, relative to the yoke, thereby enabling the portion of the shaft projecting from the yoke to be adjusted in length.

Abstract: A semiconductor device composed of a transistor for modulation and a semiconductor laser as one body, in which on the uppermost layer of a semiconductor laser composed of a multilayer epitaxial wafer, there is provided a layer consisting of a semiconductor of different conductivity type from that of the uppermost layer and having a V-shaped groove filled with a semiconductor zone of the same conductivity type as that of the uppermost layer, and ohmic electrodes are provided on the back surface of the substrate of the semiconductor laser, the semiconductor layer of different conductivity type and the semiconductor zone of the same conductivity type.

Abstract: A power assisted steering system of the type which includes a hydraulic reaction mechanism for controlling the hydraulic power assist in accordance with an increase or decrease of the vehicle speed. The system includes primary and secondary hydraulic pumps, the primary pump having the function of applying hydraulic pressure to the power cylinder and the secondary pump having the function of applying hydraulic pressure to the reaction mechanism in proportion to the vehicle speed. The secondary pump is unitedly assembled with the primary pump to be driven by the prime mover, and comprises a first control valve for controlling the quantity of fluid applied to the reaction mechanism for the secondary pump in a constant amount, and a second control valve for controlling the pressure of fluid controlled by the first control valve in accordance with the vehicle speed.

Abstract: A process for fabricating a Schottky-barrier gate field effect transistor, consists of forming an active layer of one electrically conductive type semiconductor crystal on one surface of a high resistivity or semi-insulating semiconductor crystal substrate, the active layer having a first active layer whose thickness and carrier concentration are so chosen as to give a predetermined value of pinch-off voltage and a second active layer having a carrier concentration which is substantially equal to that of the first active layer and having a larger thickness than that of the first active layer and provided on both sides of the first active layer; the first shallow active layer is provided with a Schottky-barrier gate electrode correctly positioned on the surface part and the second thick active layer is provided with a source electrode and drain electrode on the surface part.

Abstract: A semiconductor device composed of a transistor for modulation and a semiconductor laser as one body, in which on the uppermost layer of a semiconductor laser composed of a multilayer epitaxial wafer, there is provided a layer consisting of a semiconductor of different conductivity type from that of the uppermost layer and having a V-shaped groove filled with a semiconductor zone of the same conductivity type as that of the uppermost layer, and ohmic electrodes are provided on the back surface of the substrate of the semiconductor laser, the semiconductor layer of different conductivity type and the semiconductor zone of the same conductivity type.

Abstract: A suspension for an automobile comprises a cylinder having a lower seat secured fixedly to an outer periphery thereof, a piston rod projecting from the cylinder and having an upper portion supported rotatably by a car body and a coil spring having lower and upper ends respectively held by the lower seat and an upper seat. To the piston rod is secured fixedly a guide having a cylindrical portion provided on an outer periphery with a thread. A movable member provided on an inner periphery with a thread engaging the thread on the guide is coupled with the guide by the engagement of both threads. The movable member is secured fixedly to the upper seat. The piston rod is provided with a tool engaging portion which is turned to adjust the car height.

Abstract: A shaft member oscillatably supporting a suspension arm and inserted into slots provided respectively in a pair of spaced arm supporting members secured fixedly to a chassis comprises a bolt and a hollow shaft for receiving the bolt. A disk-shaped cam is disposed on one end of the hollow shaft. The hollow shaft is provided on the other end with a non-round fit portion. An engaging member having a non-round hole into which the fit portion is inserted is provided with a cam surface having the same profile as that of the disk, a tool engaging portion outside this cam face and a threaded portion into which is screwed the bolt. The bolt is screwed into the threaded hole of the engaging member from the outside of the cam and fastened temporarily. When the engaging member is turned with a tool, the cam faces of the cam and engaging member engage respective guide walls provided on the arm supporting members and rotate to move the shaft member along the slots.

Abstract: A method for manufacturing a semiconductor transistor device, specifically a Schottky barrier gate field-effect transistor, having an excellent performance at high frequency due to an exceedingly short gate length. An electrically conductive active layer is formed on a semi-insulating semiconductor substrate. Two adjacent walls are formed on the adjacent layer, are made of resist material, and extended linearly parallel to one another. Ohmic electrode metal is then evaporated obliquely with respect to the vertical surfaces of the two walls to form an ohmic electrode layer on the active layer in areas except for that lying between the two walls. A layer of Schottky barrier metal is then deposited between the two walls, and then the two walls are removed to remove the layers of ohmic electrode metal and Schottky barrier metal on the two walls.

Abstract: A vibration damping device for a mechanical clutch release system comprising a damper weight mounted to an inner cable connected to a release fork by a clevis. The damper weight is provided with an axial bore for receiving the inner cable, two slits formed on diametrically opposite sides of the axial bore, a bolt for securely holding the inner cable in the axial bore and a cylindrical portion provided near the release fork to coaxially encircle the clevis.

Abstract: A stabilizer mounting member comprising a tubular cushion member and a bracket member, wherein the tubular cushion member has lobe portions projecting radially outwardly at its opposite axial ends, while the bracket member has corresponding recesses which receive these lobe portions, wherein the projecting height of the lobe portions is greater than the depth of the recesses so that the cushion member is more tightly gripped at its opposite axial ends than at its middle portion so as to prevent entry of mud, sand or the like between the cushion member and the stabilizer.