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| Patent # | Description |
|---|---|
| US-4,700,252 |
Magnetic thin film head A magnetic thin film head used for perpendicular magnetic recording and reproduction. The head includes a magneto-resistive element and a flux guide made of high... |
| US-4,700,251 |
Head carriage moving mechanism of disk recording reproducing device A disk recording-reproducing device having a carriage with a read/write head, a screw shaft to shift the carriage with an engaging element through coupling... |
| US-4,700,250 |
Structure for fixing floating type magnetic head to gimbal spring Disclosed is a floating system magnetic head which comprises: a magnetic core having a gap formed therein and a coil wound thereon; a slider on which the... |
| US-4,700,249 |
Magnetic transducer head capable of proper data transfer contact with a
flexible magnetic disk without fine... A flexible magnetic disk drive is disclosed which has a transducer head requiring little or no positional or angular readjustment for proper data transfer... |
| US-4,700,248 |
Magnetic head assembly with angled slots A flying magnetic head assembly for use with a flexible magnetic disk is provided with a pair of angled or inclined pressure relief slots formed in a contoured... |
| US-4,700,247 |
Loading/ejecting apparatus for floppy disc A floppy disc apparatus according to the invention comprises a receiver in which a floppy disc is inserted, a guide plate for guiding the receiver along a... |
| US-4,700,246 |
Disk drive with isolated voice coil motor magnet An actuator for positioning transducers with respect to a disk storage device data surface provides a substantially sealed head-disk enclosure from which the... |
| US-4,700,245 |
Drive pin for a data transfer apparatus with a disklike record medium An apparatus for data transfer with a magnetic disk having a metal made hub attached centrally thereto, with the hub having a first opening defined centrally... |
| US-4,700,244 |
Process and system for compensating for information shifts on disc
storage media An improved system and process is provided in a disc drive for determining and for compensating head/track offsets when a data (target) head is moved to a new... |
| US-4,700,243 |
Power saving circuit arrangement for an apparatus for data transfer with
flexible magnetic disk or the like A floppy disk drive which, together with one or more like devices, is daisy chained to host equipment comprising a central processor unit and an associated... |
| US-4,700,242 |
Magnetic head switching circuit for magnetic recording and reproducing
apparatus A magnetic head switching circuit for a magnetic recording and reproducing apparatus having a recording and reproducing magnetic head has three switching... |
| US-4,700,241 |
Apparatus for recording and reproducing digital signals An apparatus for recording and reproducing digital signals includes a detector for detecting and producing a phase data signal of a sampled point of the digital... |
| US-4,700,240 |
Digital data playback system Number data affixed to individual digital data divided into a plurality of data blocks are sequentially read out from a recording medium to be used for... |
| US-4,700,239 |
Differential gain and differential phase compensator circuit of a video
signal A method for recording a video signal having luminance and chrominance signals by using a plurality of rotary transducing heads on a recording tape moved... |
| US-4,700,238 |
Copying apparatus A copying apparatus wherein an original supported on an original support is read by a reading head, which produces electric signals corresponding to the image. A... |
| US-4,700,237 |
Film image processing apparatus There is disclosed an apparatus for reading a microfilmed image for image reproduction on a hard copy or the like. The operator can designate the area of image... |
| US-4,700,236 |
Image processing apparatus with improved gamma-correction An image processing apparatus comprises an illumination device for illuminating an original image, a photosensing device for converting the illuminated original... |
| US-4,700,235 |
Method and apparatus for producing half-tone printing forms with rotated
screens on the basis of randomly... In a method and apparatus for producing half-tone printing forms with screens having arbitrary screen angles and screen width, screen dots are exposed on a... |
| US-4,700,234 |
Image processing system An image processing system has, in a preferred embodiment a reader for reading an image of an original document, a page memory for storing at least one-page... |
| US-4,700,233 |
Image sensors having alternating arrays of high and low sensitivity
picture elements Image sensors comprising an alternating array of two or more sets of photoelectric devices provide enhanced detail and reproduction of intermediate illuminances.... |
| US-4,700,232 |
Interpolator for television special effects system A first pair of input data words represent two adjacent pixels on a first line of a first field of a video signal in interlaced format, a second pair of input... |
| US-4,700,231 |
Solid state image sensing device A solid state image sensing device including a number of pixels arranged in a matrix form and comprised of lateral or vertical static induction transistors... |
| US-4,700,230 |
Modular video control system A modular video switching system for switching a video signal from one of many video cameras to a video monitor. The system includes one or more individual... |
| US-4,700,229 |
Image enhancement circuit An image enhancement circuit for eliminating noise from a series of image signals g.sub.i (t) representing images of a quasi-stationary object in a noisy... |
| US-4,700,228 |
Television special effects generator A television special effects generator operating on digitally encoded video signals is disclosed. The generator includes a frame store, input addressor and... |
| US-4,700,227 |
Circuit for producing a video signal representing a measuring signal A circuit for producing a video signal representing a measuring signal is already known, said circuit comprising a video storage circuit, a horizontal address... |
| US-4,700,226 |
Rate buffer control of predicted signal decimation and interpolation for
adaptive differential pulse code modulator A predictive coding signal communication arrangement includes, at the transmitter, a subtractor for subtracting delayed predicted signals from current input... |
| US-4,700,225 |
Method and apparatus for testing pattern of a printed circuit board A method and an apparatus for testing the pattern of a printed circuit board, comprising a stroboscope for emitting intermittent light synchronously with the... |
| US-4,700,224 |
Method of image processing for the measurement of tool wear An image processing system adapted to measure tool wear by imaging the worn portion of a tool with an ITV to produce images thereof together with surrounding... |
| US-4,700,223 |
Vehicle for evaluating properties of road surfaces The invention provides a vehicle for evaluating the properties of road surfaces wherein a road surface cross-section profile evaluating means, a crack-evaluating... |
| US-4,700,222 |
Apparatus and method of testing the frequency response of a cable
television system Apparatus and method for testing the frequency response of a cable television system by transmitting a test signal of varying frequency over the system. The test... |
| US-4,700,221 |
Power control circuit for a color encoder of a video camera A power control circuit for a color encoder of a video camera having a camera head portion, a signal processing circuit for generating a luminance signal and a... |
| US-4,700,220 |
Solid state color imaging system employing separation of high and low
frequency components of luminance during... A solid state color imaging sensor develops a green color signal and a red color signal in the first line of an odd field, and develops a green color signal and... |
| US-4,700,219 |
Color imaging apparatus A color imaging apparatus which produces a luminance signal and a plurality of chrominance signals in order to generate a composite color video signal which is... |
| US-4,700,218 |
Automated system for adjustment of the white balance in a signal
displayed on the screen of a color cathode ray... An automated system for adjustment of the white balance in a signal displayed on the screen of a color CRT includes a device attachable to the screen of a color... |
| US-4,700,217 |
Chrominance signal phase locked loop system for use in a digital
television receiver having a line-locked clock... A digital television receiver which uses a line-locked clock signal employs chrominance signal demodulation circuitry which produces a digital oscillatory signal... |
| US-4,700,216 |
Demodulator for color television signals including a sub-carrier A phase lock loop demodulator has its loop transfer function (F(s)) optimized to: F(s)=A+B/s+CF.sub.1 (s)+DF.sub.2 (s) where CF.sub.1 (s) is a chrominance... |
| US-4,700,215 |
Polycide electrodes for integrated circuits A semiconductor integrated circuit has electrodes, contacts and interconnects composed of a multilayer structure including a layer of polycrystalline silicon... |
| US-4,700,214 |
Electrical circuitry Electrical circuitry 32 is comprised of a plurality of layers 30, 100, each layer 30, 100 including one or more electrical pathways 36, 38, each layer 30, 100... |
| US-4,700,213 |
Multi-drain enhancement JFET logic (SITL) with complementary MOSFET load A semiconductor integrated logic circuit comprises a load transistor having a carrier injecting region and a carrier extracting region and an inverter transistor... |
| US-4,700,212 |
Semiconductor integrated circuit device of high degree of integration The present invention relates to a semiconductor integrated circuit device of high degree of integration. A first element region and a second element region are... |
| US-4,700,211 |
Sensitive magnetotransistor magnetic field sensor A magnetic field sensor having a lateral bipolar magnetotransistor incorporating only a single emitter region and whose base region is incorporated as a well in... |
| US-4,700,210 |
Asymmetric chip design for LEDS The area of a surface-emitting LED is reduced, and hence the number of LEDs which can be obtained from a single wafer is increased, by a chip design in which the... |
| US-4,700,209 |
Avalanche photodiode and a method of making same The invention relates to an avalanche photodetector having a charge-multiplication region which is spatially separated from the detector surface. This... |
| US-4,700,208 |
Dye-barrier/subbing layer for dye-donor element used in thermal dye
transfer A dye-donor element for thermal dye transfer comprises a support, a hydrophilic dye-barrier/subbing layer comprising poly(butyl acrylate-co-2-aminoethyl... |
| US-4,700,207 |
Cellulosic binder for dye-donor element used in thermal dye transfer A dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a dye dispersed in a binder of cellulose triacetate or a... |
| US-4,700,206 |
Image formation apparatus An image formation apparatus has a photosensitive drum or photosensitive paper sheet for forming a dot image thereon, a printer head having an LED array, and LED... |
| US-4,700,205 |
Hydraulic servomechanism for controlling the pressure of writing fluid
in an ink jet printing system A hydraulic servomechanism for controlling the pressure of ink supplied to an ink jet printer head includes a bellows located between an ink source and the head... |
| US-4,700,204 |
Ink dot printer with selective energization of both electrodes A recording electrode and an opposed electrode are so positioned as to confront each other through a recording medium, and a recording signal is applied to the... |
| US-4,700,203 |
Ink jet head for compressing ink to eject drops of ink An ink jet head for compressing ink in an ink chamber to eject a drop of the ink from a nozzle. Ink compressing means for compressing the ink in the ink chamber... |
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