| Patent Number |
Title Of Patent |
Date Issued |
| 5854879 |
Method and apparatus for multi-level tone display for liquid crystal apparatus |
December 29, 1998 |
| A liquid crystal display apparatus including a liquid crystal panel of a plurality of dots, an X drive circuit for supplying display information of at least one line to the liquid crystal panel and a Y drive circuit for selecting one-dot data for each line of the liquid crystal panel, th |
| 5654757 |
Focusing apparatus for video camera or the like |
August 5, 1997 |
| A focusing apparatus for video camera or the like in which a change-over between automatic focusing and manual focusing is possible comprises an endlessly rotatable and hand-worked manipulator, a detector for detecting the direction and amount of manipulation or rotational movement of th |
| 5583530 |
Liquid crystal display method and apparatus capable of making multi-level tone display |
December 10, 1996 |
| A liquid crystal display system capable of making a display of 2.sup.i+j (i, j: positive integers) kinds of tones display includes a frame rate control device for selecting one out of frame rate control data of 2.sup.j kinds in accordance with j-bit display data included in (i+j)-bit dis |
| 5523991 |
Data recording/reproducing device |
June 4, 1996 |
| If information is to be recorded on and reproduced from a recording medium in correspondence between a code train in the form of a run-length-limited code and the positions of the leading edge and the trailing edge data of a status transition pattern such as pits, recording domains, a sy |
| 5519683 |
Information recording/reproducing device and method in which a resynchronization signal is inser |
May 21, 1996 |
| If information is to be recorded on and reproduced from a recording medium in correspondence between a code train in the form of a run-length-limited code and the positions of the leading edge and the trailing edge data of a status transition pattern such as pits, recording domains, a sy |
| 5488595 |
Optical information recording medium having a transitioning three bit access pit group and optic |
January 30, 1996 |
| A disk-like optical information recording medium in/from which information can be optically recorded/reproduced along a virtual track virtually defined in a spiral or concentric circular form on the recording medium is provided with a pair of wobbling pits provided for each predetermined |
| 5383171 |
Information recording/reproducing device and method for recording/reproducing information on a r |
January 17, 1995 |
| If information is to be recorded on and reproduced from a recording medium in correspondence between a code train in the form of a run-length-limited code and the positions of the leading edge and the trailing edge data of a status transition pattern such as pits, recording domains, a sy |
| 5321567 |
Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus |
June 14, 1994 |
| A tape loading mechanism used in a recording and reproducing apparatus for extracting a tape from a cassette and for winding it on a tape guide drum on which a rotating head for recording information on or reproducing information from the tape is mounted. A guide base, on which a group o |
| 5309170 |
Half-tone representation system and controlling apparatus therefor |
May 3, 1994 |
| A half-tone color representation system suitable for use with a multi-color liquid crystal display panel, each display dot of which is constituted by three primary color pixels. More than eight different colors are represented with the three primary color pixels by providing a "half-tone |
| 5299015 |
Image pickup apparatus and method and system for controlling the exposure of the image pickup ap |
March 29, 1994 |
| Disclosed are an image pickup apparatus and method and system for controlling the exposure of the image pickup apparatus. The image pickup apparatus includes a circuit for detecting a voltage corresponding to a current value of an iris, a circuit for generating a voltage corresponding |
| 5266972 |
Thermal printer for recording paper in the form of a roll |
November 30, 1993 |
| A thermal transfer recording device including a thermal line head having heat generating elements thereon, a record paper in form of a roll of paper, a platen roller disposed in opposition to the thermal band, an ink jet sheet interposed between the platen roller and the thermal head and |
| 5181116 |
Television receiver with control of writing and reading of video memory |
January 19, 1993 |
| In a television receiver in which scanning for an incoming video signal is performed at a frequency n times as high as the input horizontal synchronous frequency by suitably controlling writing and reading on its video memory, the signals for writing and reading on the video memory unit |
| 5181110 |
Video signal processing circuit capable of enlarging and displaying a picture |
January 19, 1993 |
| A video signal processing circuit capable of enlarging and displaying a picture and adapted for use in an apparatus in which a desired picture is selected, and a video signal representative of the desired picture under interlaced scanning is received, stored in a memory and processed to |
| 5168399 |
Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus |
December 1, 1992 |
| A tape loading mechanism used in a recording and reproducing apparatus for extracting a tape from a cassette and for winding it on a tape guide drum on which a rotating head for recording information on or reproducing information from the tape is mounted. A guide base, on which a group o |
| 5146509 |
Method of inspecting defects in circuit pattern and system for carrying out the method |
September 8, 1992 |
| A circuit pattern to be inspected is imaged so that an image signal representing the circuit pattern to be inspected is produced. The image signal of the circuit pattern is compared with a reference circuit pattern image signal, wherein a part of the image signal discerned to be differen |
| 5134465 |
Color detecting circuit |
July 28, 1992 |
| In the invention, in order to correct only the hue of specific region of color correction of an image processing circuit for a television receiver or the like, using color detecting means for detecting specific color, color signals are inputted and two arbitrary demodulation axes are |
| 5119257 |
Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing |
June 2, 1992 |
| A rotary head device having a rotary drum and a rotating motor within the rotary drum, with the stator of the motor being supported by a fixed arm attached to a fixed drum or to a fixed drum supporting member. The construction permits the manufacture of the rotary head device using the |
| 5119086 |
Apparatus and method for gray scale display |
June 2, 1992 |
| Disclosed is a system selecting one out of a plurality of gray scale signals for each color information in display information including color information of a plurality of colors for providing monochromatic gray scale signals at multiple levels corresponding to the display information, |
| 5088082 |
Dust removing system for optical disk device |
February 11, 1992 |
| In a dust removing system, the level of influence of dust sticking to an objective lens of an optical head is detected from either an amount of light emitted from the optical head and reflected from an optical head or from an access time. Three stages of levels with regard to the degree |
| 5065264 |
Capstan arrangement for a magnetic recording/reproduction apparatus |
November 12, 1991 |
| A magnetic recording/reproducing apparatus has a chassis, a rotary cylinder mounted on the chassis, and at least one guide base movably disposed around the rotary cylinder. The guide base is provided with a guide member for drawing out a magnetic tape from a tape cassette. The guide memb |
| 5060074 |
Video imaging apparatus |
October 22, 1991 |
| A video imaging apparatus changes an area of an imaging element (CCD or MOS type) from which a signal is read out as a TV signal. A normal transfer speed is used to read out the signal from the area as the TV signal and a high transfer speed is used to read out a signal from other area s |
| 5059872 |
Digital convergence correction device |
October 22, 1991 |
| The digital convergence correction device is used for a projection-type television receiver having a Braun tube with an aspherical surface fluorescent screen and a projection lens system with an aspherical surface plastic lens attached to the display screen of th Braun tube. In the d |
| 5043802 |
Frame still pictures with no double images |
August 27, 1991 |
| An image pickup apparatus is provided with a first adder which outputs a sum signal by adding a first luminance signal produced from the signals of odd-numbered lines of a solid-state image sensor and a second luminance signal produced from the signals of even-numbered lines of the solid |
| 5041904 |
Video signal processing circuit |
August 20, 1991 |
| In a digital video signal processing circuit where digital composite video signals are inputted and processed in separation into a luminance signal and a chrominance signal, the digital video signal processing circuit is provided with a device for separating a first frequency component |
| 5029006 |
Video signal processing circuit capable of enlarging and displaying a picture |
July 2, 1991 |
| A video signal processing circuit capable of enlarging and displaying a picture and adapted for use in an apparatus in which a desired picture is selected, and a video signal representative of the desired picture under interlaced scanning is received, stored in a memory and processed to |
| 5025310 |
Clock pulse generator capable of being switched to process both standard and non-standard televi |
June 18, 1991 |
| A clock pulse generator has a first clock pulse generator for generating a burst lock clock pulse signal synchronized with a color burst signal contained in a video signal; a second clock pulse generator for generating a line lock clock pulse signal synchronized with a horizontal syn |
| 5019754 |
Horizontal deflection circuit |
May 28, 1991 |
| A horizontal deflection circuit comprising a horizontal output transistor, and a drive circuit is connected between the base and the emitter of the horizontal output transistor to supply a base drive voltage to the horizontal output transistor in order to control the conduction between |
| 5012332 |
Correcting data reading device in a digital convergence correcting device |
April 30, 1991 |
| A digital convergence correcting device effecting convergence correction by using convergence correcting data stored in a memory which includes an address fixing device which, in the case where convergence correcting data are insufficient, reads out in succession the correcting data |
| 5005184 |
Method and apparatus for waveform equalization |
April 2, 1991 |
| A waveform equalization method whereby a transversal filter having 5 or more tapes is included, and a difference signal output, which is obtained when an isolated impulse response waveform of a digital modulated signal is inputted to the above described filter and the output of the filte |
| 4985788 |
Recording and reproducing apparatus |
January 15, 1991 |
| An arc cam member has a guide groove formed on its underside along its arced length. On its outer circumference, the cam member is provided with a first cam portion. A second cam portion is formed in the wall of the guide groove of the cam member. The ends of a first arm and a second arm |
| 4977446 |
Digital convergence correcting apparatus |
December 11, 1990 |
| A convergence correcting apparatus is used in a projection television receiver including a CRT having an aspherical fluorescent screen and a projection lens apparatus which is attached to the display screen of the CRT and has aspherical plastic lenses. In the digital convergence corr |
| 4901297 |
Optical magnetic recording and reproducing method and apparatus capable of prolonging a recordin |
February 13, 1990 |
| An optical magnetic recording and reproducing apparatus and method including an optical beam scanner for scanning a recording medium with an optical beam and forming a track having a predetermined angle with respect to the traveling direction of the recording medium, a magnetic field |
| 4899235 |
Magnetic tape loading mechanism and method |
February 6, 1990 |
| A tape loading mechanism for a video cassette recording apparatus in which a magnetic tape held in the cassette is withdrawn therefrom by a tape loading arm and is wound around a rotary cylinder. During this time, the cassette is fixed on the upper surface of a chassis having a cam bore, |
| 4858030 |
Reproducing apparatus of a video disc player |
August 15, 1989 |
| A reproducing apparatus of a video disc player, wherein for a special reproduction such as a fast forward reproduction, or a reverse reproduction from a CLV disc, a field memory is provided for storing video signals of length of one field. A reading-in operation to the field memory i |
| 4847742 |
Multi-channel inverter circuit |
July 11, 1989 |
| The invention is to provide a more economical and practical multi-channel inverter with reference particularly to a modulation process of the time width, wherein a DC output is fed to each of a multiplicity of output channel circuits through time division to a multi-channeling, each of t |
| 4839739 |
Image signal binary circuit with a variable-frequency clock signal generator for driving an imag |
June 13, 1989 |
| A one-dimensional image sensor comprising a solid image pick-up element takes images in sequence, and generates an image signal. Clock pulses from a frequency variable type clock pulse generator having a frequency which varies in correspondence to a control signal are supplied to a o |
| 4803449 |
Filter combining surface acoustic wave resonators |
February 7, 1989 |
| This invention relates to the structure of a band-pass or band-rejection filters by combining a plurality of one-port surface acoustic wave resonators whose interdigital electrode fingers are disposed on a piezoelectric substrate. The filter combining surface acoustic wave resonators |
| 4794454 |
Movement detection circuit of a video signal used in a television receiver |
December 27, 1988 |
| A movement detection circuit for detecting movement information of a luminance signal and movement information of a chrominance signal of a television signal comprises a first movement detection circuit for detecting the movement information of the luminance signal and a second movem |
| 4743864 |
Power saving intermittently operated phase locked loop |
May 10, 1988 |
| In an intermittently operative phase-locked loop, in order to prevent the oscillator frequency from significantly changing at the time of turning on of an electric power source, a point in time at which a phase difference between clock signals respectively fed to a reference frequency di |
| 4649421 |
Circuit for generating a signal for correcting registration in a color television camera with re |
March 10, 1987 |
| A digital registration circuit for a multi-tube television camera wherein correction quantities corresponding to positions on a target of an image pickup tube are stored in a digital memory. The digital signal for the correction quantity read out from the digital memory is converted into |
| 4558378 |
Method and apparatus for a magnetic recording/reproducing |
December 10, 1985 |
| A helical scan type magnetic tape recording/reproducing apparatus for recording/reproducing information, for example, a large amount of time-compressed audio PCM signals on a plurality of information tracks disposed in parallel to the direction of the tape running. Each of the time-c |
