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| Patent # | Description |
|---|---|
| US-4,905,119 |
Solid state overvoltage protection circuit An overvoltage protection circuit for electronic equipment having tip and ring lines includes a first voltage sensitive switch having first and second teminals.... |
| US-4,905,118 |
Base mounted electrical assembly A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components aligned in a row with terminals at... |
| US-4,905,117 |
Circuit and method for DC content protection of parallel VSCF power
systems A method of selectively isolating faulty channels in a parallel electric power system having at least two controllable AC power sources includes the steps of... |
| US-4,905,116 |
X-radiation protection circuit An X-radiation protection circuit in a television receiver is responsive to both high voltage and high beam current conditions. A first detector is ... |
| US-4,905,115 |
Automatic and manual DC power switch An automatic switching apparatus is disclosed for a system employing a battery and a charging device. A load is automatically disconnected in response to the... |
| US-4,905,114 |
Disk drive compatible tape cartridge with device for positioning the
tape relative to the disk drive A disk-drive-compatible magnetic tape cartridge is provided with a tape guide for accurately positioning a magnetic tape in relation to a disk drive head. The... |
| US-4,905,113 |
Magnetic tape cassette having a slider mounted on the lower casing member A magnetic tape cassette capable of effectively preventing separation of a slider from a casing even when it is dropped or any external force is applied thereto,... |
| US-4,905,112 |
Scent cassette A preferred tape cassette has a generally rectangular relatively thin housing. Holes extend through the housing into an interior of the housing. A scent carrier... |
| US-4,905,111 |
Damping material of an improved formulation for use on a magnetic head A damping material (19) is provided on one of the two side faces (7, 8), of a magnetic head having two plate shaped ferrite core limbs (3, 4). The material... |
| US-4,905,110 |
Disk drive spindle motor An improved spindle motor is provided for rotatably driving one or more memory storage disks in a computer disk drive or the like. The spindle motor comprises a... |
| US-4,905,109 |
Process for optimizing head position to overcome disk misclamping and
imperfections A process allows a disk drive system to optimize head position in order to minimize the effects of track variations due to disk misclamping and imperfections.... |
| US-4,905,108 |
Rotary head type reproducing apparatus with tracking control function A rotary head type reproducing apparatus wherein, three rotary heads are arranged to be capable of simultaneously tracing different parts of many parallel tracks... |
| US-4,905,107 |
Torsion transducer for magnetic storage disk drives A torsion transducer for providing electrical position and angular velocity signals for a device driven in a bidirectional partial rotational mode, such as... |
| US-4,905,106 |
Device for detecting light transmissivity of detected object and record
and/or reproducing apparatus using same A device for detecting the light transmissivity of an object to be detected comprises a light emitting element and a light receiving element which are opposed to... |
| US-4,905,105 |
Automatic stop mechanism for tape recorder An automatic stop mechanism for a tape recorder is described. When a magnetic tape has been wound up fully on a reel, slipping takes place between a gear and... |
| US-4,905,104 |
Rotary head type digital signal recording and/or reproducing apparatus
for recording and/or reproducing with a... A rotary head type digital signal recording and/or reproducing apparatus wherein for 1/2 speed recording and/or reproducing from a magnetic tape, a tape feed... |
| US-4,905,103 |
Magnetic recording apparatus A magnetic recording apparatus includes a rotary drum around which a magnetic tape extends in an angular range substantially equal to 270.degree.. Four pairs of... |
| US-4,905,102 |
System for processing signals reproduced from a digital magnetic record
in a recorder-reproducer A distorted signal available at the output of a preamplifier which are derived from a magnetically recorded digital signal is differentiated twice. The second... |
| US-4,905,101 |
Time base corrector A disclosed time base corrector comprises a clock generater for generating a clock signal whose period is fixed, an analog-to-digital converter for sampling... |
| US-4,905,100 |
Magnetic recorder/reproducer A magnetic recorder/reproducer converts two-channel analog signals into digital signals by a sample-and-hold/A-D converter circuit (3) and controls addresses in... |
| US-4,905,099 |
Intermediate picture field storage system for variable speed magnetic
tape video data read-out Four picture field memories which contain storage places for luminance data, chrominance data, error flags and write flags are switchable from write in to read... |
| US-4,905,098 |
Copier with an optional facsimile function and method of controlling the
same A copier with an optional facsimile mechanism and a method of controlling such a copier. A person can easily and efficiently switch the operation mode of the... |
| US-4,905,097 |
Image processing system capable of processing both binary and multivalue
image data and having converters for... An image processing system receives image data on a pixel unit basis and converts it into a digital signal and processing it. This system includes: a binary... |
| US-4,905,096 |
Image reading arrangement An image reading arrangement provided with an optical magnifying device and an electrical magnifying device which is so arranged that, in the case where the... |
| US-4,905,095 |
Image processing apparatus An image processing apparatus includes an image generator, a processor for trimming an image generated by the image generator and a reproducer for outputting a... |
| US-4,905,094 |
System for audio/video presentation The present invention relates to a system for assembling a network of presentations comprising still video images with associated audio messages. The video... |
| US-4,905,093 |
Video reproduction apparatus with plural heads and field memory A video signal reproduction apparatus having a plurality of heads arranged to alternately trace the tracks on a tape-shaped recording medium one at a time for... |
| US-4,905,092 |
Condensation-free data reading machine A compact, handy type facsimile machine includes a light source for illuminating an original, a line image sensor for optically reading the original, a... |
| US-4,905,091 |
Recording data processor A recording data processor comprises a first bit map memory for storing recording data, a second bit map memory for storing color data representing a... |
| US-4,905,090 |
Reading or writing method and apparatus thereof The present invention provides a reading or writing method and apparatus thereof for reading data on a medium or writing data thereon by reciprocatively driving... |
| US-4,905,089 |
Filter screen for cathode ray tubes A filter screen for cathode ray tubes (CRT) which diffuses electromagnetic radiation. The screen is encased in a frame which includes a conductive frame element.... |
| US-4,905,088 |
Pick-up device A photographic device typically employing a CCD element as a shutter is arranged to have an improved display system. The display system displays the picture... |
| US-4,905,087 |
UHF FM receiver having improved frequency stability and low RFI emission A UHF receiver which converts UHF modulated carrier signals to baseband video signals without any heterodyne or frequency conversion stages. A bandpass filter... |
| US-4,905,086 |
Television transmitter employing klystron with nonlinearity correction
circuit A television transmitter includes a klystron power amplifier, a non-linearity pre-correction circuit in a stage preceding the klystron power amplifier, a... |
| US-4,905,085 |
Synchronous sampling system The pixel clock of a system for receiving, sampling, and digitally storing the information contained in an analog sampled-data video signal is automatically... |
| US-4,905,084 |
Compatible and spectrum efficient high definition television High definition television (HDTV) signals are broadcast in a manner to be compatible with television receivers that operate to reproduce standard definition... |
| US-4,905,083 |
T.V. input source identifier responsive to jitter and noise A T.V. input source identifying circuit for determining whether a video signal is from a videotape player or a broadcast signal by measuring jitter of vertical... |
| US-4,905,082 |
Rigid video endoscope having a detachable imaging unit An electronic endoscope system has an elongated rigid inserting section and a relay optical system disposed therein. The relay optical system transfers an... |
| US-4,905,081 |
Method and apparatus for transmitting and receiving 3D video pictures Transmission of video pictures containing depth information is achieved by taking video signals from two sources, showing different representations of the same... |
| US-4,905,080 |
Apparatus for collecting television channel data and market research data A data collecting apparatus is used in a survey system in which research data such as television audience ratings and market research data is collected by a data... |
| US-4,905,079 |
Color image processing apparatus for processing separated color signals An image processing apparatus separates a color original into a plurality of color signal components and sequentially reads the color signal components so as to... |
| US-4,905,078 |
Semiconductor device A semiconductor device includes a semiconductor layer provided above a pair of bipolar transistors formed in a surface region of a semiconductor body. Schottky... |
| US-4,905,077 |
Multi-scene display system Multi-scene display system for simultaneously displaying a plurality of scenes on a display screen, divides each scene into a plurality of regions and stores the... |
| US-4,905,076 |
Three dimensional television system and projection television receiver A three dimensional projection television system in which the screen of the receiver alternatively receives a television picture field as polarized by polarizing... |
| US-4,905,075 |
Hermetic semiconductor enclosure A semiconductor hermetic package for semiconductor device comprises base, sidewall and cover members. Signals can be coupled between the enclosed devices and... |
| US-4,905,074 |
Interdiffusion resistant Fe-Ni alloys having improved glass sealing
property The present invention relates to an iron-nickel alloy containing from about 30% to about 60% nickel, from 0.001% to about 0.15% nitrogen, at least one element... |
| US-4,905,073 |
Integrated circuit with improved tub tie When making CMOS logic circuits, for example an inverter, it is frequently necessary to connect the sources of the p and n channel transistors to their... |
| US-4,905,072 |
Semiconductor element A semiconductor device comprises a semiconductor layer of a polycrystalline silicon thin film containing not more than 3 atomic % hydrogen atoms and having a... |
| US-4,905,071 |
Monolithic series-shunt diode switch A switching circuit comprising a substrate of semiconductor material, a first switching device (e.g., a diode) formed in a first region of the substrate, a... |
| US-4,905,070 |
Semiconductor device exhibiting no degradation of low current gain The degradation of the low current gain, which is exhibited during emitter-base reverse bias breakdown testing, is prevented by providing an emitter-base... |
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