Abstract: A versatile dual band satellite system includes a main conductive mounting plate member with a central opening of a predetermined size, and a KU band pick-up unit mounted in the plate to face a satellite antenna. A dielectric funnel support is mounted on the side of the mounting plate toward the antenna, and includes a central opening of the same size as that in the mounting plate, for receiving a C-band pick-up unit. The system includes appropriate microwave chokes and microwave impedance-matching structure, to improve the rejection of spurious or off-axis signals, and to maximize signal strength at the input of both the KU band and the C-band units. With the mounting openings in the main mounting member and in the dielectric funnel support being identical, full interchangeability of parts is practical, and an initial installation may include the C-band unit mounted in the mounting plate to face the antenna.

Abstract: The temperature of the ejector (12) of a thermal ink jet print head (10) is maintained within acceptable operating limits by measuring the current temperature, predicting the heat loading on a subsequent pass over a printing medium (32), and adjusting the temperature of the ejector (12), as necessary, by heating the ejector (12) or modifying the operation of the printer (60) to permit cooling of the ejector (12). The temperature of the ejector (12) is preferably measured by a thin film temperature measurement resistor (94) codeposited onto a substrate (14) with the thin film ejection resistors (22) that generate the droplets ejected from the ejector (12). Heating of the ejector (12) is preferably accomplished by passing a low level current through the ejection resistors (22). Cooling is preferably accomplished without the use of a fan by delaying the printing pass, or reducing the heat load during the printing pass by slowing the printing rate during that pass only.

Abstract: Disclosed is a cell having a variable volume chamber and a fluid supply circuit for an ink jet printing head which is equipped therewith, the cell including a variable volume chamber (1) connected to a pressure sensor (5) and to at least a pair of valves (7, 9) each associated with a restriction (8, 10); the variation of volume being obtained by a piston actuated by an eccentric (3) secured to the rotor of a motor (4).

Abstract: A thermal transcription printer has a thermal head (8), a platen (9), a pair of pinch rollers (10), (11) disposed on both sides of the platen and a gearing apparatus consisting of gears (31), (32) and (33) and oneway clutches (29) and (30) and the gearing apparatus over-drives or reduces the rotation speed of the pinch rollers (10) and (11) and coupling of the oneway clutches and the gears is selected for making peripheral velocity of a pinch roller at a forward position against the paper conveyance faster than that at a backward position.

Abstract: An image photographing apparatus photographs an image displayed by a display unit such as a CRT monitor on a photosensitive medium such as a photographic film. The displayed image is formed on the photosensitive medium by an image-forming optical mechanism which includes the display unit for displaying the image with an electron beam. A transformer for producing a desired voltage for energizing the image photographing apparatus is substantially spaced from the display unit and oriented such that leakage fluxes from the transformer will be directed substantially parallel to the electron beam in the display unit, for allowing the image to be displayed by the display unit with high accuracy without being adversely affected by the leakage fluxes.

Abstract: An image recording apparatus which is possible to change the rise on-time of a scanning beam controlled in an on-off manner by a data signal corresponding to image information to reproduce the white portion sufficiently and to obtain a high quality image.

Abstract: A color thermal printer of a type which utilizes any one of ink ribbons of different color combination, which comprises a different identifiers provided on and peculiar to each of the different ink ribbons and descriptive of the color combination of the respective ink ribbon; and a detecting system cooperable with any one of the identifiers for detecting, and providing an output signal indicative of, one of the ink ribbons of different color combination which is actually mounted on the printer. The output signal from the detecting means is utilized to instruct the thermal printer that the ink ribbon of the particular color combination has actually been mounted on the printer.

Abstract: A light emitting apparatus in a head of an non-impact printer using an array-mode semiconductor light emitting device and emitting a radiant light in parallel to the surface of a substrate. The improved device is capable of easily arranging a head substrate, a lens system, and a drum on a central axis thereof by adopting a method of emitting a light in parallel to said head substrate. To achieve the object the device comprises: a reflecting surface 8 formed by shaving one corner of a substrate 6 in a given angle of slope; a plurality of strip wires (W11, W12, . . . ) disposed, in parallel and a fixed interval, on uppermost surface 11 of the substrate 6, said wires each extending towards said corner from the opposite side thereof; a common electrode wire 4 disposed on said uppermost surface in parallel with said wires; and a plurality of light emitting means each disposed lowermost surface of a plurality of light emitting chips (C1, C2, . . .

Abstract: An image forming apparatus wherein a toner image obtained by developing a first electrostatic latent image with a first color dry toner by a first developing device and a toner image obtained by developing a second electrostatic latent image with second color dry toner which is different in color from said first color dry toner by a second developing means are superposed on an image retainer, and wherein toner feeding speeds at which the first and second developing devices develop the first and second electrostatic latent images, resepctively, are different from each other and an attached amount of the second color toner is smaller than that of the first color toner.

Abstract: An electrophotographic apparatus comprises at least a charging means, an imagewise exposure means with a laser beam having a spot diameter of 100 um or less, a developing means, a transferring means and a cleaning means arranged around an electrophotographic photosensitive member, and said electrophotographic photosensitive member comprises a charge generation material and a charge transport material comprising an organic photoconductive material and has a surface layer containing said charge transport material, wherein the absorption end of visible to UV spectroscopic absorption of the surface layer is substantially unchanged by exposure to nitric acid vapor for 10 minutes; an electrophotographic image forming process; and an electrophotographic photosensitive member.

Abstract: When a picture with a frame defining an image edition area on a document is read, a carriage including an exposure lamp is moved two times toward a fixed scale, from a stand-by position. With the movement in the same direction, two filters, first and second filters are switched from one to the other. The image data included in light passing through the switched filter is read by a CCD line sensor. A color of the first filter is different from that of the frame on the document. A color of the second filter is same as that of the frame. The image data read through the first filter by the CCD line sensor is stored into a first memory. The image data read through the second filter is stored into a second memory in the same order as that when the image data is stored into the first memory. A control unit properly processes the image data stored in the same orders, to obtain the image edition area.

Abstract: An image forming apparatus for forming an image by applying a toner on a recording medium by means of an electrostatic force has a belt-like recording medium comprising a laminated layer region. The laminated layer region includes (1) a conductive layer, (2) a surface insulating layer disposed on said conductive layer and having a conductive-layer region in which a portion of the conductive layer is exposed from the surface insulating layer, and (3) a protective layer comprising conductive particles dispersed in resin provided on a surface of the exposed conductive-layer region. Support structure is provided for stretching the belt-like recording medium. A driving source is also included for driving the belt-like recording medium. A conductive contact is provided for rubbing the exposed conductive-layer region, and a wiring member is provided for connecting the conductive contact to a biasing source.

Abstract: A fiber optic power coupling device such as a power summer, power divider or star coupler comprises a segment of multimode optical fiber having an input mirror at one end and an output mirror at the opposite end. One or more inputs at the input end of the fiber segment direct an equivalent number of input, intensity modulated light signals into the fiber and one or more outputs at the output end direct a corresponding number of output signals out of the fiber. Where there is one input and a plurality of outputs, the device acts as a power divider. Where there are a plurality of inputs and one output, the device acts as a power summer. Where there are a plurality of inputs and a plurality of outputs, the device acts as a star coupler.

Abstract: A drum mixer having a internal combustion gas cylinder extending substantially the length of the drum mixer is provided. Hot combustion gases are generated by a flame within the cylinder. The combustion gases within the cylinder flow in a countercurrent direction the to the flow of material within the drum mixer. The combustion gases exit the cylinder generally at the receiving end of the drum mixer and are directed towards the discharge end thereof in a parallel relation to the flow of material. The horizontal position of the flame within the drum is adjustable and a valve for mixing the gases within the drum adjacent the discharge end thereof with the flame is also provided.

Abstract: A manipulable device for projecting a horizontally-extending straight square edged light bar images upon a paper work sheet to facilitate the pasting of small adhesively-waxed printed pieces or strips to be placed upon a paper work sheet lying upon the base support of the device. The selected locations are determined and effected by relative fore and aft adjustment between a light bar projecting fixture and its base support with the work sheet thereon. Since procedure of pasting up of printed pieces upon a layout sheet can be done without the usual T-square and triangle, both hands are left free to carry out the pasting operation. Vertical guides are effected as vertical interferences of the projecting light rays and registerable upon the layout sheet along with the horizontally-extended light bar. Vertical and horizontal measuring rulers are provided upon the layout sheet base support to which reference can be made when locating the projected straight edge light bar upon the layout sheet.

Abstract: A single-lens reflex camera with a flash unit built into the camera body above the viewing pentaprism. The unit is movable from an operating position to a non-operating position, preferably enclosed in the camera body. The built-in flash unit may be automatically closed by inserting an external flash in a flash shoe. A display panel may be included on the top of the flash unit housing.

Abstract: A motor-driven camera of the so-called prewind type in which a film is preliminary wound to effect a prewinding action and then the film is rewound for every photographing shot, includes an electric film counter which counts the number of frames on the basis of a signal generated according to the movement of the film; a control circuit which determines the number of photographable frames on the basis of a counted value of the electric film counter; a detection circuit which detects the completion of the prewinding action by detecting that the film ceases to move; and a judgment circuit which is arranged to detect the state of the above-stated signal after the lapse of a predetermined period of time from the completion of the prewinding action detected by the detection circuit, to judge whether or not a change in the counted value of the electric film counter is necessary.

Abstract: A focus adjusting apparatus including an immovable cylinder secured to a camera body, a cam ring which is associated with the immovable cylinder to rotate and move in the optical axis directions and which is provided on its outer periphery with a circumferential groove or projection, a thrust member having a projection or groove which is engaged by the groove or the projection of the cam ring. The thrust member is capable of moving together with the cam ring in the optical axis direction and rotating relative to the cam ring. The apparatus also includes an adjustment fixing device for moving the thrust member in the optical axis directions to fix the thrust member to the immovable cylinder at a desired position.

Abstract: A single reflex type electronic camera includes an imaging lens unit and five reflecting units beyond an image formed by an objective, and a finder optical system wherein an image can be observed with a high finder magnification and at a position easy to observe similar to that found in a single reflex camera using silver salt films.

Abstract: A film processing device contains a film feed unit, a film developing unit, a film drying unit, and a film winding unit. The drying unit and the winding unit are integrally structured, and the feed unit, developing unit, and the drying/winding unit are independently arranged in the casing and are independently detachable. The film processing device can be further provided with an upper cover having processing rollers attached thereto, which is vertically movable with respect to the casing so that the rollers are dipped into the developing and washing liquids when the upper cover is lowered.

Abstract: A photographic camera in which a lens adjustable in two positions is focused automatically on subjects located within "near" and "far" distance range from the camera. The lens is normally positioned in one of the two positions and movable to the other of the two positions in response to a signal generated by an automatic focusing device upon the detection of the subject location in the focus range to which the other position corresponds, wherein it is characterized that the movement of the lens is automatically controlled by an electromagnetic device.

Abstract: A camera with a multi-zone focus detecting device has an objective lens mounted on a camera. An image formed by the objective lens is divided into a plurality of zones. In each zone, a focusing condition is detected based on the image formed by the objective lens so as to produce a plurality of focusing condition data. Based on the result of the focusing conditions, one zone is selected. Furthermore, a light which has passed through the objective lens is measured separately in each zone so as to produce a plurality of measured light data. Based on a focusing condition data obtained from the selected zone, the objective lens is driven to an infocus condition. When the objective lens is driven to the infocus condition, a measured light data obtained from the selected zone is used for calculating exposure data with which the exposure is controlled.

Abstract: In an exposure method of the present invention, exposure light is radiated onto a peripheral portion of a substrate to be processed while the substrate is rotated, and the rotational speed of the substrate is selectively decreased when a specific peripheral portion reaches an exposure area, thereby performing predetermined exposure of the substrate. An exposure apparatus of the present invention includes a mounting table on which the substrate is mounted, a rotating mechanism for rotating the mounting table at a predetermined rotational speed, a light radiating element arranged to oppose a mounting surface of the mounting table, light amount control means for controlling the amount of light radiated from the light radiating element onto the substrate, and rotational speed control means for controlling the rotational speed of the mounting table in accordance with the radiation amount of light from the light radiating element.

Abstract: For an image formation apparatus having supplemental light sources in addition to an optical system for providing an image forming light beam reflected from an original to be copied, a control unit controls exposure by these supplemental light sources according to the photosensitivity characteristics of microcapsules of different kinds with which a light-receiving sheet is coated and which respond differently to individual beams from the supplemental light sources. The control unit may also be designed to take into consideration the effects of ambient humidity and the user's choice for particular coloring.

Abstract: An image forming apparatus with a position detection capability to prevent an image forming operation starting signal being generated by mistake to thereby start the image forming operation when an image forming apparatus is not in its normal installed state for use, for example, when the apparatus is in its carried state or its erected state with one side thereof facing downward.

Abstract: An electrophotographic copying machine of a type having a drum for supporting a document to be copied therearound and being provided with an automatic document feeder adapted to carry out a preliminary copying operation for testing includes a timer for counting up a predetermined period of time after the completion of preliminary copying, or is alternatively so programmed that a choice can be made after a preliminary copying operation whether a document remaining in the copying position should be ejected. Jamming of documents and injury to the copying machine can be avoided effectively thereby.

Abstract: A copying apparatus includes a ten-key pad for setting sheet number data, a magnification setting key for setting magnification data, a display for selectively indicating the copy number data or the magnification data, and a computer including a CPU, a ROM, and a RAM for causing the display to indicate the magnification data when the magnification setting means is operated and for otherwise causing the display to indicate the sheet number data.

Abstract: A copying apparatus is provided with an automatic light exposure control system for setting the amount of light from a light source on the basis of light reflected by an original document to which light from the light source is applied, the amount of light in a plurality of levels is applied to a reference document so that data of light reflected from the reference document may be stored in the apparatus. When a certain document is copied, the amount of light from the light source is automatically controlled on the basis of the data of reflected light of the document to be copied and the data of reflected light of the reference document stored in the apparatus.

Abstract: An electrophotographic device has a photosensitive element, an electrifier that forms a uniform electrostatic potential on the photosensitive element, and a light source for irradiating the photosensitive element to obtain an electrostatic latent image that has a reduced potential. A bias potential is applied to the photosensitive element after the latent image is formed, but before it is developed, so that the reduced potential of the latent image can be maintained at a constant level. With constant potentials existing on the photosensitive element, a printed image of high quality is obtained.

Abstract: A developing roller in a one-component developer type image recorder and held in contact with an image carrier for developing a latent image in the form of an electrostatic charge provided on the image carrier, has a metal core, an elastic layer provided on the core and constituted by rubber and a softener, and a toner retaining layer provided on the elastic layer for retaining toner thereon. The toner retaining layer covers all of the surfaces of the elastic layer, i.e. the peripheral surface and opposite ends. The toner retaining layer is implemented by a resin or rubber which is oil-resistant and does not show affinity to the softener.

Abstract: An image density control method for an image forming apparatus controls any of various image forming conditions such as toner density on the basis of a result of image density detection which is executed in a pattern detection mode. A plurality of pattern detection modes are provided each for developing the latent image of a pattern having a reference voltage under a different potential for development. A development gamma characteristic representative of a characteristic relationship between the amount of toner deposited on the resulting toner image representative of the pattern and the potential for development on the basis of the results of detection which are individually associated with the plurality of pattern detection modes. The image forming condition is controlled such that the determined development gamma characteristic substantially coincides with a target development gamma characteristic.

Abstract: An image transfer and contact fixing device for a photocopier wherein a photoconductive drum presses against a transfer roller in a first contact zone to transfer a powder image from the photoconductive drum to the transfer roller, and a second contact zone wherein a pressure roller presses the receiving material against the transfer roller to transfer powder image from the transfer roller to the receiving material with a force greater than the force with which the photoconductive drum presses against the transfer roller. In a third contact zone, a cleaning roller presses against the transfer roller and exerts a compensating force on the transfer roller in such manner that the net resulting force experienced by the transfer roller at its axis is substantially zero.

Abstract: An elastic rotatable member for conveying a member to be conveyed includes an elastic layer, a resin layer formed on the elastic layer, wherein the resin layer has a portion wherein it has a thickness larger than the other portion to project outwardly. Also, an image fixing apparatus includes an elastic rotatable member including an elastic layer and a resin layer formed on the elastic layer, the resin layer having a portion projected outwardly, and a rotatable member cooperative with the elastic rotatable member to grip and convey a material carrying toner image to be fixed.

Abstract: A cleaning device is provided with a blade adapted to contact the peripheral surface of a photosensitive drum and wipe residual toner off of the photosensitive drum. A duct is disposed separately from the blade, and is adapted to remove the toner wiped off by the blade by air suction. In the interval between the blade and the duct, there is disposed a sealing member which serves to prevent ambient air from entering the duct through the interval. This sealing member is fixed either on a stationary region of a holder for the blade or on the basal end part of the blade integrated with the holder or on the outer surface of the duct, and contacts the duct if mounted on the holder or the blade, or contacts the blade or holder if mounted on the duct.

Abstract: An optical non-contact detection of profile errors of a surface or surfaces of an article, such as an industrial product is carried out by a coherent signal bea of light introduced along an imaginary plane and projected onto the surface of the article at a large angle of incidence. The signal beam of light is reflected from the surface toward the same imaginary plane and traveled past optical system toward a photosensitive material on which a separate reference beam of light is projected. A hologram of the surface is formed on the photosensitive material, which is used for an analysis of the profile errors of the surface.

Abstract: A field induced base ballistic majority carrier transfer transistor is constructed of two regions of different bandgap semiconductors, each region having the same conductivity type but with the region with the smaller bandgap having a lower conductivity. An accumulation layer in the small bandgap semiconductor adjacent the larger bandgap semiconductor is produced by the bias voltage and serves as the base of the device. A source of emitted carriers is provided by a third region of higher conductivity on the external portion of the smaller bandgap region.

Abstract: A circuit in accordance with the invention has a complementary pair of a MISFET and a COMFET with their drains connected together. This allows fabrication on a single substrate for greater reliability and reduced cost. The circuit can be used in a full or one half "H-bridge" configuration for controlling current through a load such as a motor.

Abstract: A field effect transistor has its channel region and source drain regions extending in a direction approximately vertical to a main surface of a substrate. The field effect transistor may be a complementary type in which p type and n type transistors are formed as a pair. The channel region and the source drain regions may be placed side by side in the direction of the main surface of the substrate or they may be placed side by side in the direction of the depth of the substrate. In such transistors, each of the regions is formed by stepup implantation carried out by stepup voltage of the corresponding ion beam.

Abstract: A semiconductor memory device having a MOS transistor with a floating gate capable of storing data.The MOS transistor has an erase gate which overlaps part of the floating gate with an insulating film interposed therebetween. Upon application of a high voltage on the erase gate, the field emission is caused between the floating gate and the erase gate and the charge stored on the floating gate is removed.

Abstract: A layer structure of a memory cell for a dynamic random access memory device includes a semiconductor substrate, an insulation film formed on the semiconductor substrate having a first window through which a surface of the semiconductor substrate is partially exposed, a first conductive film formed on the insulation film so as to surround the contact window and form a second window above the first window, a second conductive film formed so as to be in contact with the first conductive film, and the semiconductor substrate through the first and second windows, the first and second conductive films constructing a storage electrode of a memory cell capacitor, a dielectric film formed so as to cover the storage electrode; and a third conductive film formed so as to cover the dielectric film.

Abstract: The described embodiment of the present invention provides a memory cell which is fabricated using a self-isolating structure and provides misalignment tolerance in the design of the cell thereby eliminating the need for additional area to be reserved for isolation structures and misalignment tolerances.

Abstract: Field isolation between arrayed picture cells of an image sensor is fabricated thinner than the insulation layer for the peripheral portion of CCD operatively connected to picture cells. The field isolation is fabricated by a selective thermal oxidization, by which the isolation film inflates not only vertically but also laterally, therefore the thinner isolation layer can be narrower. And, the lower applied voltage to the picture cell than applied voltage to the CCD portion allows the narrower isolation. The narrower field isolation between the picture cells allows greater density of integration of the picture cells. Procedures to embody the invention are disclosed, one of which is to fabricate the thinner isolation first, and another one is the thicker insulation layer first.

Abstract: A charge-coupled device (CCD) of the two-phase type is disclosed. The CCD comprises two polysilicon levels which are electrically connected to form one clock phase. In order to provide a CCD of improved transfer efficiency, two implanted regions of different dopant levels are provided under each polysilicon level. When the CCD is clocked, a four-tier potential profile is produced.

Abstract: A semiconductor photo-detector is disclosed. The inventive photo-detector is especially sensitive to light in the ultraviolet and/or blue portions of the spectrum. The semiconductor body comprising the detector is arranged with a band structure which, through use of a potential threshold, delimits a particular region of the semiconductor body. Illustratively, the particular delimited region is coincident with the region where ultraviolet and/or blue light is absorbed. Charge carriers generated in the delimited region through the absorption of ultraviolet and/or blue light contribute to the output signal. Other wavelengths of light are absorbed in the semiconductor body outside the delimited region. The charged particles generated by the absorption of light outside the delimited region do not contribute to the output signal.

Abstract: An optical semiconductor device comprises cathode and anode regions, and a gate region having a forbidden band gap narrower than those of the cathode and anode regions. The gate region is sandwiched by the cathode and anode regions. The optical semiconductor device further comprises a plurality of windows for receiving and radiating lights so that the alignment of light axes can be easily performed for a plurality of input and output lights.

Abstract: A semiconductor device and a method of making a semiconductor device including a semiconductor substrate of p-type conductivity, a first semiconductor region of n.sup.+ -type conductivity selectively formed on the semiconductor substrate, a second semiconductor region of n-type conductivity formed insularly contacting on the first semiconductor region, a groove extending from a surface of the second semiconductor region spaced from the first semiconductor region to the vicinity of a surface of the first semiconductor region abutting the second semiconductor region, a conductive material charged into the groove, and a third semiconductor region of high impurity n-type conductivity disposed so as to connect a bottom of the groove with the surface of the first semiconductor region, whereby the conductive material in the groove and the third semiconductor region are used as low resistance current paths reaching from the surface of the second semiconductor region to the first semiconductor region.

Abstract: A gate turn-off thyristor (GTO) having a semi-conductor substrate (1) with at least one p-conducting anode layer (4), one n-type base layer (6), one p-type base layer (7) which is in electrical contact with a gate, and one n-conducting cathode layer (8) has a cathode layer (8) with a highly doped zone (10) acting as n.sup.+ emitter and a lightly doped zone (9). The highly doped zone (10) adjoins the surface of the semi-conductor substrate (1) and has a doping density which is at least an order of magnitude higher than that of the p-type base layer (7). The lightly doped zone (9) is situated between a pn junction J.sub.1, produced by the p-type base layer (7) and the cathode layer (8), and the highly doped zone (10) of the cathode layer (8). In a preferred embodiment of the invention, the highly doped zone (10) is so structured that the lightly doped zone (9) extends, in a GTO with mesa structure, from the pn junction J.sub.

Abstract: A circuit macro is provided for a VLSI circuit device having a semiconductor substrate and M1 and M2 metal layers defining a grid of M1 and M2 conductive lines extending in orthogonal directions. Numerous similar unit cells are arrayed side-by-side in rows extending in one direction and each unit cell spans an integral number of M1 conductive lines and an integral number of M2 conductive lines. The circuit device includes a plurality of circuit blocks each including two of the rows of unit cells. A plurality of wiring bays extend between adjacent circuit blocks, and each wiring bay includes a plurality of M1 conductive lines. The circuit macro includes a number of circuti blocks separated by wiring bays, and connections extend to unit cells of circuit blocks included in the macro.

Abstract: A semiconductor integrated circuit device includes first and second grooves extending in a silicon semiconductor substrate, a shallow groove extending between the first and second grooves and contiguous with the first and second grooves, and insulating material occupying the first and second deep grooves and said shallow groove. Accordingly, by forming grooves having two different depths, the deep groove can be filled without increasing the thickness of the insulating layer, and moreoever, an insulating isolation region having a flat upper surface can be obtained.

Abstract: In a semi-conductor memory cell components are formed in regions separated from each other by one or more insulation layers (40) and first and second load resistors (20,22) and gate regions (70,72) of first and second cross-coupled driver field effect transistors (16,18) are formed in a first conductive layer (64) and the word line (36) and gate regions (66,68) of first and second transfer transistors (28,30) are formed in a second conductive layer (60).