| Patent # | Description |
|---|---|
| US-3,979,775 |
Magnetoresistive multitransducer assembly with compensation elements for
thermal drift and bias balancing An extra MR element is vapor deposited together with a plurality of MR read elements in a head assembly to balance the bias signal and to compensate for thermal... |
| US-3,979,774 |
Digital control system and method for the synchronization of
audio-visual equipment Disclosed is a digital control system and method for synchronizing audio-visual equipment for the presentation of film slides with corresponding sound... |
| US-3,979,773 |
Magnetic recording and reproducing apparatus A magnetic recording and reproducing apparatus comprises a drive mechanism for running an endless magnetic tape of less than 300 m at a higher speed than 5... |
| US-3,979,772 |
Automatic tape loading type recording and/or reproducing apparatus The invention relates to a recording and/or reproducing apparatus an automatic tape loading type. A loading mechanism is moved to a position for drawing a tape... |
| US-3,979,771 |
Magnetic tape phase encoded data read circuit This digital circuit generates a window during which the data bit transitions of phase encoded data may be read from magnetic tape. This circuit contemplates a... |
| US-3,979,770 |
System for preventing erasure of audio recordings A system prevents erasure of audio material pre-recorded on a magnetic recording strip on a card or photograph. Erasure of any selected portion of the recording... |
| US-3,979,769 |
Gate modulated bipolar transistor A Gate Modulated BiPolar Transistor, or GAMBIT, is a three terminal negative resistance device. A load is connected between the emitter and collector terminals... |
| US-3,979,768 |
Semiconductor element having surface coating comprising silicon nitride
and silicon oxide films A semiconductor element having a surface coating consisting of, for example, a silicon nitride film and a silicon oxide film covering different surface portions... |
| US-3,979,767 |
Multilayer P-N junction semiconductor switching device having a low
resistance path across said P-N junction A semiconductor switching device is disclosed which includes a wafer comprising at least four semiconductive layers with adjacent layers being of opposite... |
| US-3,979,766 |
Semiconductor device A semiconductor device is disclosed which comprises a first region of a first conductivity type, a second region of a second conductivity type and adjacent to... |
| US-3,979,765 |
Silicon gate MOS device and method A MOS semiconductor device and method for forming same, including a semiconductor body of first conductivity type having a planar surface, said body having... |
| US-3,979,764 |
Controlled fading switching circuit A switching circuit using a field effect transistor having a semiconductive substrate with a current path portion, first and second semiconductive regions... |
| US-3,979,763 |
Circuit board arrangement for collapsible camera apparatus A collapsible camera apparatus of a type having at least two sections connected in pivotal relation to each other with a substantially planar surface associated... |
| US-3,979,762 |
Modular photographic system A modular photographic system that performs a series of operating functions attendant to the consecutive exposure and processing of a cassette of ... |
| US-3,979,761 |
Auto-process camera An auto-process camera which permits unloading, and subsequent reloading, of a cassette containing film monosheets, without the monosheets being exposed. When a... |
| US-3,979,760 |
Electrostatic recording apparatus with auxiliary electrodes There is disclosed an electrostatic recording apparatus comprising a plurality of wire electrode groups each constituting a block, the corresponding wire... |
| US-3,979,759 |
Process and apparatus for electrographic recording utilizing contact
liquid In a process for the electrographic recording of images on an insulating recording substrate by means of a corona discharge the imagewise charging is carried out... |
| US-3,979,758 |
Electrostatic head with toner attracting plates An electrostatic imaging system is disclosed having an imaging head characterized by a plurality of discretely chargeable areas. The charge on each discrete area... |
| US-3,979,757 |
Electrostatic display system with toner applied to head An electrostatic imaging system is disclosed having an imaging head characterized by a plurality of discretely chargeable areas. The charge on each discrete area... |
| US-3,979,756 |
Method and apparatus for merging satellites in an ink jet printing system In an ink jet recorder, a ferrofluid ink is supplied under pressure to a nozzle to form a continuous ink jet stream. The jet stream is subjected to two or more... |
| US-3,979,755 |
Rotating lens antenna seeker-head A rotating lens antenna seeker-head provides conical scan capability for an ntenna system while simultaneously providing a two axis scan capability by positioning... |
| US-3,979,754 |
Radio frequency array antenna employing stacked parallel plate lenses A radio frequency multibeam array antenna is disclosed wherein a beam forming network includes a first set of vertically disposed parallel plate lenses coupled... |
| US-3,979,753 |
Portable balloon antenna support structure A portable antenna support structure which can be carried by a vehicle and includes an inflatable balloon and telescopic extension poles that are pivoted to the... |
| US-3,979,752 |
Pulse-type radar with modulated carrier frequency A radar system emitting a recurrent sequence of n equispaced bursts of carrier frequency, varying from one burst to the next, has a transmitter including a... |
| US-3,979,751 |
Transmission device of a radiographic navigation system A transmission device of a radiographic navigation system for azimuth determination, in which an electronic rotating directional beam pattern and a static... |
| US-3,979,750 |
Optical pump power distribution feed An array of parametric amplifiers is optically fed pump power by a pump sce. Beam steering of the array is provided by changing the apparent phase of the pump... |
| US-3,979,749 |
Range readout apparatus A range measurement system wherein range accuracies of fractions of a meter may be obtained. Nanosecond pulses, one triggered by the transmitter trigger with an... |
| US-3,979,748 |
Pulse radar apparatus A long-range pulse radar apparatus emitting linear F.M. pulses and coherently detecting radar returns contains a chirp generator with a phase-control unit, a... |
| US-3,979,747 |
Control circuit for a character segment display assembly A seven character segment display assembly with each assembly including a rotatable drum carrying a character display adapted to be viewed at a window of a... |
| US-3,979,746 |
High-speed Manchester code demodulator A demodulator for decoding the Manchester code is described in which the bit rate is maximized by using a one shot set up for a pulse width less than one-half... |
| US-3,979,745 |
System and method for linearizing analog measurements during
analog-to-digital conversion An instrument for linearizing a non-linear analog output produced from a sensor such as a thermocouple to obtain a true measurement of the parameter or... |
| US-3,979,744 |
Circuit arrangement for the digital control of operating functions via
sensor electrodes, especially in radio... The invention provides for the digital control of the operating functions in a radio or T.V. receiver using sensor electrodes in place of mechanical control... |
| US-3,979,743 |
Displays A liquid crystal analogue display device has a pair of electrodes between which a nematic liquid crystal material is disposed, so that the liquid crystal is... |
| US-3,979,742 |
Apparatus for generating graphical configurations Apparatus for forming graphical configurations, such as alphanumeric characters, on a radiant energy surface, such as the face of a cathode ray tube, with an... |
| US-3,979,741 |
Power loss alarm system A power loss alarm system in which an electric power supply is connected to a relay so that the relay is energized while the power supply is on. If the power... |
| US-3,979,740 |
Monitoring system A monitoring system for use as an intruder alarm. The system which is designed to reduce the likelihood of generating false alarms, e.g. alarms generated in the... |
| US-3,979,739 |
Apparatus for the detection of vibration in rotating machinery A transducer generates a signal whose amplitude corresponds to the vibration amplitude of a machine under test. The output of the transducer is passed to a... |
| US-3,979,738 |
Compound detector for magnetic domain memory devices In a magnetic domain memory, a domain detector system includes a passive domain splitter in a domain propagation track, a first detector in the propagation track... |
| US-3,979,737 |
Bistable magnetic bubble domain devices A magnetic film is incorporated in a device suitable for use with a computer; the film is capable of supporting magnetic bubble domains of two different sizes... |
| US-3,979,736 |
Circular magnetic domain devices A circular magnetic domain device which includes a layer of a polycrystalline or amorphous uniaxial magnetic material having a single unique easy magnetisation... |
| US-3,979,735 |
Information storage circuit A non-saturating binary memory cell includes a bistable circuit comprising two cross coupled transistors with an offset resistor connected to their emitters and... |
| US-3,979,734 |
Multiple element charge storage memory cell An integrated circuit memory system includes capacitive storage memory cells capable of storing n bits of information on n capacitors associated with multiple... |
| US-3,979,733 |
Digital data communications system packet switch A data communications system designed to facilitate communications between digital computers typically routes fixed-length segments of data, called packets,... |
| US-3,979,732 |
Asynchronous status interlock circuit for interface adaptor An asynchronous interlock circuit for an interface adaptor circuit in a digital system includes a D-type latch, a D-type flip-flop, and an RS-type flip-flop... |
| US-3,979,731 |
Method of and system for rationalizing the operation of open-pit mines In an open-pit mine with several excavation sites and a fleet of trucks carrying ore from loading stations near these sites to a number of unloading stations,... |
| US-3,979,730 |
Interface adaptor having control register A peripheral interface adaptor (PIA) circuit for data processing systems contains memory elements or control registers allowing modification under program... |
| US-3,979,729 |
Microprogram unit for a data processor In a microprogram unit, an index store is provided to translate index addresses, derived from input instructions, into start addresses for microprogram routines.... |
| US-3,979,728 |
Array processors An array processor, operative as the peripheral of a sequential machine. Each processing element is organized on a bit-serial basis, with single-bit registers... |
| US-3,979,727 |
Memory access control circuit In a control unit having a read only memory, a control program is provided which has provision for all features with which the machine may be equipped and for a... |
| US-3,979,726 |
Apparatus for selectively clearing a cache store in a processor having
segmentation and paging In a data processing system that uses segmentation and paging to access data information such as in a virtual memory machine, the cache store need not be... |