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| Number | Title | Issue Date |
| 5154157 | Compressed air weapon A compressed air gun comprises a plastic casing, in which a low-pressure cylinder is arranged beneath the gun barrel and a high-pressure cylinder is arranged behind the barrel, with a pressure release system between the cylinders. Two pistons are containe... | 10/13/1992 |
| 5105281 | Printer A color video printer has a liquid crystal body acting as a shutter extending across a color printing paper. The liquid crystal body includes a first shutter array for a first color, a second shutter array for a second color, and a third shutter array for... | 04/14/1992 |
| 5072431 | Magneto-optical disk recording apparatus A magneto-optical recording apparatus comprising an optical head shiftable in the diametrical direction of a magneto-optical disk and capable of irradiating a light beam onto the magneto-optical disk, and a magnetic head disposed to be mutually opposite t... | 12/10/1991 |
| 5051668 | Sine wave deflecting circuit A sine wave deflecting circuit has a simplified configuration capable of ensuring an efficient and stable operation with a function of facilitating external synchronization. The deflecting circuit comprises a resonant circuit comprising a deflecting coil ... | 09/24/1991 |
| 5045327 | Digital recording and playback module system A Digital Recording Center having a removable playback module for permanently capturing a human voice or other sounds into a compact module for playback within a greeting card or photograph. A recording center having a microphone (or other audio input dev... | 09/03/1991 |
| 5040061 | Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame Intraframe coding and interframe coding are selectively employed for generating a compressed digital video frame in order to record a motion video signal on a small capacity recording medium such as a CD ROM. Motion compensation is also employed for effec... | 08/13/1991 |
| 5036301 | Filter apparatus A filter apparatus comprised of a multi-layer printed circuit board has a shielded filter with input and output terminals protruding from the circuit board, when the filter is mounted on the printed circuit board. Two insulating substrates form the printe... | 07/30/1991 |
| 5023740 | Tape cassette having tape protecting covers A tape cassette for a recording and reproducing apparatus, for example, a video tape recorder, has: a cassette housing which passes a tape housed therein along an opening in the front surface thereof; a front cover pivotally attached to the cassette housi... | 06/11/1991 |
| 5023523 | Horizontal deflection circuit A horizontal deflection circuit for a multiple-scanning type television receiver that receives a video signal that can have a number of horizontal frequencies is comprised of a detecting circuit for detecting a deflection width of the input video signal, ... | 06/11/1991 |
| 5023718 | Storing digital video signals Apparatus for storing a plurality of fields of digital video signal where each field consists of a plurality of n-bit words and n may vary downwards from a maximum value, comprises circuits for arranging the n-bit words of each incoming field in n bit-pla... | 06/11/1991 |
| 5021996 | Device for use in developing and testing a one-chip microcomputer A microcomputer universal package has testing terminals and switching circuitry for selecting first and second operations. In the first operation, as an evaluator type, a test device is connected to the testing terminals of the package. In the second oper... | 06/04/1991 |
| 5019897 | Scanning apparatus for reading a color image There is provided a color image reading apparatus in which a directivity is given to the light emitted from a non-directinal light source and when the reading position changes, the reflected light of the light emitted from the non-directional light source... | 05/28/1991 |
| 5016942 | Anchor boring unit An anchor boring unit includes a base plate attached to a loading apron of a section advance machine, with a square tube swivelling around a vertical axis and movable by a hydraulic cylinder attached to the base plate. Another square tube is telescoped in... | 05/21/1991 |
| 5015932 | Actuator driving circuits An actuator driving circuit for a servocontrol system comprises an amplifier for amplifying an error signal obtained in the servocontrol system to produce a driving signal supplied to the actuator, a power supply voltage source for producing a first power... | 05/14/1991 |
| 5016095 | Digital convergence for television receiver In correction waveform data generating apparatus for digital convergence or digital focusing in a color television receiver, the adjustment data for all adjustment points including the region of blanking intervals is controlled from the adjustment data fo... | 05/14/1991 |
| 5016127 | Mechanism for transporting and receiving large and small tape cassettes An automatic cassette changer capable of selectively loading any of cassettes of various sizes upon a recording and/or playback unit, comprises cassette-housing racks capable of selectively storing any of large cassettes and small cassettes, and having fi... | 05/14/1991 |
| 5016119 | Video signal reproducing apparatus with two modes of keeping track of address In an apparatus for use with a video tape having a longitudinal track in which an address signal is recorded and successive slant tracks in which a video signal and an information signal are recorded at predetermined intervals; a magnetic head unit reprod... | 05/14/1991 |
| 5014297 | Telephone answering device with automatic return to incoming message mode In an auto telephone answering apparatus for playing back an outgoing message recorded on a magnetic tape and sending the outgoing message to a calling party and for recording an incoming message from the calling party on the magnetic tape, an auto answer... | 05/07/1991 |
| 5013597 | Multi-layered sound-insulating panel for motor vehicles, or similar A multi-layered sound-insulating panel for motor vehicles, or similar, consisting of at least one dense layer and one resilient layer between the dense layer and the part of the motor vehicle, or similar, to which the panel is attached, makes it possible-... | 05/07/1991 |
| 5012370 | Head lifting and damper mechanism for disc drive unit A head lifting mechanism for disc drive units includes a head carriage on which a lower head is mounted, and a head arm which is pivotably supported on the head carriage and on which an upper head is mounted. For the purposes of preventing the upper head ... | 04/30/1991 |
| 5008993 | Method of making surface finishing rollers as well as a roller made thereby Surface finishing or polishing rollers are made by successively mounting disk-shaped surface finishing elements on a spindle rotating in operation. The surface finishing elements are formed of a slitted, preferably rectangular sheet having a continuous po... | 04/23/1991 |
| 5008521 | Reproducing apparatus for an optical recording medium A reproducing apparatus reproduces an information signal from a card type optical recording medium from which an information signal can be optically read out and on which an information signal is discretely recorded as a plurality of blocks each consistin... | 04/16/1991 |
| 5006881 | Battery supplying apparatus for camera An electric power supply system for a camera that includes a camera body containing a charging circuit for a stroboscope and a signal processor, and at least a primary battery type of power supply package accommodating a primary battery electrically conne... | 04/09/1991 |
| 5005162 | Optical head devices for use in disc players An optical head device for use in a disc player comprises a movable optical assembly in which an objective lens, first and second mirrors, and a light beam generating and detecting unit are supported in common by a supporting member, and a driving mechani... | 04/02/1991 |
| 5005086 | Focus control apparatus having two focusing speeds A focus control system for a video camera determines a first gradient indicative of a change in value of a predetermined frequency component in the video signal for first and second positions obtained from the signal of predetermined frequency component i... | 04/02/1991 |
| 5003557 | Apparatus for receiving digital signal A digital signal is received in which synchronization data is inserted at a predetermined period and in which a timing signal is synchronism with the synchronization data is developed from a digitally modulated input digital signal. A circuit generates de... | 03/26/1991 |
| 5003388 | Apparatus for displaying a video signal An apparatus for displaying a video signal has a plurality of display elements corresponding to one standard of the television signal disposed in an X-Y matrix shape. The apparatus includes a separator for separating a sync signal from an input video sign... | 03/26/1991 |
| 5003530 | Apparatus for adapting the diameter of a disk-like recording medium Described is an apparatus for adapting the diameter of the disk-like recording medium. The apparatus includes a supporting member in the form of a ring having an opening for exposing the signal record area of the disk-like recording medium, such as an opt... | 03/26/1991 |
| 4999622 | Remote commander having a ROM read-out pre-programmed codes therefrom A multi-commander includes a first memory for storing a plurality of remote control signals having different signal formats, a circuit for receiving a remote control signal from another remote commander, a rewritable second memory, a remote control signal... | 03/12/1991 |
| 4998172 | Secondary beat signal cancel circuit A magnetic reproducing apparatus is provided with an improved secondary beat signal cancel circuit for reducing a secondary beat signal of a low-frequency converted chroma signal leaked into a reproduced luminance signal without deteriorating vertical res... | 03/05/1991 |
| 4998231 | Magneto-optical disk recording apparatus A magneto-optical disk recording apparatus sequentially pulse-drive a plurality of semiconductor laser elements in a time-divisional manner so that spots of light are sequentially formed along a plurality of recording tracks of a magneto-optical disk with... | 03/05/1991 |
| 4998252 | Method and apparatus for transmitting digital data Information is transmitted by a digital audio transmission line, which may include recording and playback from a digital audio disc, that includes information other than conventional two-channel audio signals and in which error correction of the data tran... | 03/05/1991 |
| 4996678 | Apparatus for rewriting an optical disc while updating its table of contents and without leaving gaps An apparatus for recording and/or reproducing an optical disc having an optical recording medium which permits information signals to be recorded thereon and a recording region divided into a first recording region for recording information signals and a ... | 02/26/1991 |
| 4981487 | Colored hydrogel objects and their production-containing a water-insoluble opaquing agent Shaped organic polymer hydrogels, especially contact lenses, are provided with opaque or translucent coloring so as to be capable of masking effectively any underlying color, e.g. the natural color of the eye. The hydrogel may be rendered opaque by precip... | 01/01/1991 |
| 4979205 | Cordless telephone A cordless telephone includes a base unit connected to a telephone network line and a handset unit having a rechargeable battery for its operating power supply. The handset unit and the base unit are connected through a communication channel by radio wave... | 12/18/1990 |
| 4979192 | Circuit for detecting a synchronizing signal A circuit for detecting a synchronizing signal comprises a gate circuit to which a reproduced synchronizing signal and a window signal are supplied. A first counter synchronized with an output signal from the gate circuit counts a clock signal formed from... | 12/18/1990 |
| 4824044 | Tape cassette The present invention provides a tape cassette used as a recording medium for the recording and/or reproducing apparatus, such as a tape recorder. The tape cassette includes a lid for protecting the tape during the time the tape cassette is not used and a... | 04/25/1989 |
| 4822864 | Gas permeable contact lens and method and materials for its manufacture A polymer is prepared by forming a mixture of 3-methacryloxypropytris(trimethylsiloxy) silane, methacrylic acid, cyclohexylmethacrylate, 2-hydroxypropylmethacrylate, m,p-styrylethyltrimethoxysilane, methyl methacrylate and a cross linker. A polymeriz... | 04/18/1989 |
| 4820992 | Clock signal multiplexers A clock signal multiplexer for combining a plurality n of input clock signals of the same frequency but differing phases into a single channel, by selectively passing one of the n input clock signals to an output of the multiplexer to the exclusion of the... | 04/11/1989 |
| 4820747 | Gas permeable contact lens and method and materials for its manufacture A polymer is prepared by forming a mixture of 3-methacryloxypropytris(trimethylsiloxy) silane, methacrylic acid, cyclohexylmethacrylate, 2-hydroxypropylmethacrylate, m,p-styrylethyltrimethoxysilane, methyl methacrylate and a cross linker. A polymeriz... | 04/11/1989 |
