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| Patent # | Description |
|---|---|
| US-4,672,488 |
Spindle hub-disc interface To overcome problems of precise permanent location of aluminum Winchester discs relative to their steel drive spindle during temperature variations, in one form... |
| US-4,672,487 |
Magnetic disk memory having a disk pack hub seated at both sides of a
disk pack In a magnetic disk memory comprising a disk pack hub seated at both sides in ball bearings in a housing, the ball bearings are tensed in the actual direction... |
| US-4,672,486 |
Apparatus for rotating a magnetic disc An apparatus for rotating a magnetic disc provided with a central hole and an entrainment opening comprises a hub member which is mounted on the shaft of an... |
| US-4,672,485 |
Separately pivoted hook arm arrangement for a cassette loading and
unloading device A magnetic recording/reproducing apparatus is proposed wherein a hook arm is pivoted by a free end of one of two pivot arms when the pivot arms are urged by an... |
| US-4,672,484 |
Tape player changing mechanism A tape player is disclosed, whereby mode plates of the fast forward side and of the reverse side, each having an exclusive driving system and a head plate... |
| US-4,672,483 |
Information recording and reading apparatus having recording error
checking circuit An information recording and reading apparatus for a recording medium, such as a magnetic disc or optical disc, which operates under the control of a central... |
| US-4,672,482 |
Digital apparatus for magnetic media data recovery system A digital apparatus recovers data recorded in FM or MFM on a magnetic media moving at a normal speed in which the reading of the media provides a sequence of... |
| US-4,672,481 |
Studio video editing apparatus To reduce the size of on-location editing apparatus, an editing console, capable of recording, re-recording, reproducing, editing, dubbing, duplicating and the... |
| US-4,672,480 |
Apparatus for recording digital data of various kinds on a slant track
of a recording tape Digital data is recorded on a slant track of a magnetic tape by a rotary head, in which the sampling frequency of the digital data can be changed in accordance... |
| US-4,672,479 |
Tape loading/unloading arrangement for magnetic recording and/or
reproducing apparatus A tape loading/unloading arrangement for use in a magnetic recording and/or reproducing apparatus, such as an 8 mm video cassette recorder, includes a pair of... |
| US-4,672,478 |
Loading and ejection mechanism for tape player A loading and ejection mechanism includes an inversion gear rotated by a motor in the opposite directions, an eject plate having a rack engageable with the... |
| US-4,672,477 |
Cassette tape deck A cassette deck which can be easily miniaturized while being capable of being manufactured at a reduced cost. The cassette deck includes a head stand... |
| US-4,672,476 |
Magnetic tape recording and/or reproducing apparatus A magnetic tape recording and/or reproducing apparatus provided with a reversible motor, a rotary member rotated by the motor, an operating mode changer... |
| US-4,672,475 |
Portable video tape recorder having a vibration detector A portable video tape recorder includes a tachogenerator which generates an actual speed signal representative of the angular velocity of a video head and an... |
| US-4,672,474 |
Synthetic control track signal producing apparatus for video tape
machines A synthetic control track signal is provided for a magnetic video tape recording and/or reproducing machine having a motor driven capstan and capstan servo which... |
| US-4,672,473 |
Audiovisual disc recording A disc record is disclosed wherein information is stored in radially spaced-apart track turns, each track turn having microscopic pits occurring at varying rates... |
| US-4,672,472 |
Playback apparatus for audiovisual disc records In a playback apparatus a first sync code is detected from a series of data blocks to separate binary digits of multi-channel still-picture data from binary... |
| US-4,672,471 |
Method for storing in a first set of consecutive tracks a single still
picture and in a second set of... The video information corresponding to a still picture is recorded along a track of the video disc at a first set of preselected track locations and a digitized... |
| US-4,672,470 |
Video signal recording and reproducing apparatus A recording and reproducing apparatus for recording a video signal carrying a horizontal sync signal multiplexed with at least one another video signal into a... |
| US-4,672,469 |
Delay time adjusting system for video signal reproducing apparatus
having heads scanning across multiple tracks A delay time adjusting system comprises a comparing circuit for comparing levels of reproduced frequency modulated signals from a pair of rotary heads which... |
| US-4,672,468 |
Magnetic recording apparatus with recording of first and second sound
signals A VTR is furnished with a phase-locked loop whose reference input is a color signal subcarrier. The phase-locked loop fixes two sound FM carrier frequencies in... |
| US-4,672,467 |
Low cross-talk system for recording digitally coded color television
signals on magnetic tape Successive groups of television lines of a first field of a television frame have the luminance information recorded on a first oblique track and the chrominance... |
| US-4,672,466 |
Operator selectable multiple gradation scanner and engraver apparatus
and method A system for optically scanning copy and engraving a printing plate, having a carrier for a plurality of sets of copy and a plurality of optical scanners, one... |
| US-4,672,465 |
Image forming apparatus In an image forming apparatus in which an image is formed on a paper sheet in accordance with image information, the feeding path to which paper sheets are... |
| US-4,672,464 |
Method and system for recording a partially distorted image In reproducing an image, partial distortion (especially partial enlargement) is performed on desired portions of the image according to magnification data for... |
| US-4,672,463 |
Method for emphasizing sharpness in picture scanning recording time in a
picture reproducing machine In a method for emphasizing sharpness in picture scanning recording time in a picture reproducing machine a central picture signal obtained by scanning an... |
| US-4,672,462 |
Method and system for recording plural images on a photosensitive film
with layout work A layout function of an image reproducing system is expanded to be capable of performing imposition work on a photosensitive film for producing a print sheet... |
| US-4,672,461 |
Image processing apparatus An image processing apparatus comprising a detector for reading out image information on an original placed on an original glass plate and detecting an area of... |
| US-4,672,460 |
Facsimile apparatus A memory for storing an image data is provided in a receiver of a facsimile apparatus and an information amount of the image data stored in the memory is... |
| US-4,672,459 |
Communication terminal apparatus with data format conversion capability A facsimile machine for use as a terminal in a communication network includes a scanner for optically reading an original document to produce graphic information... |
| US-4,672,458 |
Projection television systems having lens tilt compensation member A projection television system includes a planar projection screen, a CRT for producing a phosphor image, and a lens assembly for focusing the phosphor image... |
| US-4,672,457 |
Scanner system Control of illumination with illumination amplifier devices provides a basis for implementing scanner systems. Illumination amplifiers in closed illumination... |
| US-4,672,456 |
Automatic focusing device of video camera An apparatus and method for the automatic focussing of a video camera having a camera circuit for generating electric image signals corresponding to the... |
| US-4,672,455 |
Solid-state image-sensor having reverse-biased substrate and transfer
registers A solid-state image sensor having a plurality of unit cells, each of which includes a photosensitive area and a CCD register for the transfer of a signal charge... |
| US-4,672,454 |
X-ray image scanner and method An apparatus for providing electrical signals representative of an image formed by X-rays projected thereon includes a two-dimensional array of spaced apart... |
| US-4,672,453 |
Contact type image sensor and driving method therefor A contact type image sensor comprising M.times.N of photodetectors arranged in line and M driving integrated circuits each of which includes a CCD shift register... |
| US-4,672,452 |
Device for the automatic precorrection of non-linearities in a power
amplification chain for a television... A device for the automatic precorrection of non-linearities of a power amplification chain in a common channel television transmitter. The device has a first... |
| US-4,672,451 |
Dynamic digital video correction circuit A video compensation circuit for compensating the displayed intensity of isolated pixels is disclosed. The video compensation circuit includes a shift register... |
| US-4,672,450 |
Composite video synchronization pulse separator for color image processor An image processing system includes a synchronization separator 20 which operates to separate the synchronization pulses from the analog video information... |
| US-4,672,449 |
Line deflection circuit for picture pick-up or display devices A picture pick-up or display device, respectively for recording a scene or displaying a scene image, respectively with the aid of a line raster formed by a... |
| US-4,672,448 |
Phase adjustment circuit for scanning video display Phase adjustment circuit for controlling horizontal scanning of a scanning video display is provided. Horizontal sync pulses are received having leading edges to... |
| US-4,672,447 |
Circuit arrangement for synchronization of a signal In a circuit arrangement for synchronization of the phase of a frequency-divided signal with an edge of finite slope of an essentially periodic synchronizing... |
| US-4,672,446 |
Television receiver having interlaced scanning with doubled field
frequency A television receiver in which a video signal of an interlaced system is received and converted in field frequency by using field memories (6a) and (6b) and then... |
| US-4,672,445 |
Progressive scan processor employing interpolation in luminance channel
controlled by a motion signal and a... A frame comb filter separates a luminance signal from a composite video input signal for display on every other line of a progressively scanned display. The... |
| US-4,672,444 |
Method for transmitting a high-resolution image over a narrow-band
communication channel By analyzing the spatial-frequency spectrum of a high-resolution image into a low-pass remnant subspectrum band having a nominal high-frequency cutoff below that... |
| US-4,672,443 |
Compatible wide screen television system with image compressor/expander A wide aspect ratio television system includes memories for storing and recovering a video input signal in response to read and write clock pulses, respectively.... |
| US-4,672,442 |
Frame rate conversion system in television signal A frame rate conversion, for instance between NTSC and PAL, or SECAM, has been improved by interpolation system in which an interpolation is performed from... |
| US-4,672,441 |
Method and apparatus for picture data reduction for digital video signals Method and apparatus for the reduction of picture data for digital video signals comprising a processing of the signals by means of block by block transformation... |
| US-4,672,440 |
Scrambled signal detector A television converter includes a circuit for detecting scrambled signals and enabling the descrambler in response thereto. Scrambled signals are detected by... |
| US-4,672,439 |
FLIR imager with hybrid optical/electronic processor A FLIR imager is modified to include a hybrid optical/electronic processor for automatic local area dynamic range normalization. FLIR imagers have an objective... |
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