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Patent # Description
US-4,477,738 LSSD Compatible clock driver
A cross-coupled, latch-type clock driver circuit is disclosed which enables the carrying out of level sensitive scan design (LSSD) testing. During normal...
US-4,471,454 Fast, efficient, small adder
A digital adder circuit is disclosed which employs non-DC current configurations to significantly reduce power, device count, and delay in performing binary...
US-4,469,026 Method and apparatus for controlling drying and detaching of printed material
Printer having a sheet feed and drum transport assembly, an exit assembly and at least one dryer. Various print parameters or conditions are monitored relating...
US-4,467,518 Process for fabrication of stacked, complementary MOS field effect transistor circuits
A method is disclosed for fabricating series and/or parallel connected P channel and N channel FET device topologically connected in a CMOS configuration, where...
US-4,467,439 OR Product term function in the search array of a PLA
A technique is disclosed for condensing the overall size of a PLA circuit and a number of circuit elements involved in carrying out a desired logical OR...
US-4,458,406 Making LSI devices with double level polysilicon structures
The high resistance of diffused electrical interconnection lines used for ground return paths in MOS field effect transistor (MOSFET) arrays limits their size...
US-4,456,860 X-Y Positioning subsystem electronics
An X-Y positioning system for electron beam lithography employs an adaptive drive system for feedback control. A gradually increasing drive voltage, superimposed...
US-4,451,922 Transmission logic parity circuit
An FET transmission logic parity circuit is disclosed which determines the odd or even status of register bits using zero DC current transmission logic. The...
US-4,450,525 Control unit for a functional processor
A control unit for a functional processor is disclosed which minimizes programming complexity by eliminating data transfers and the transfer control associated...
US-4,447,152 Method and apparatus for detecting defects in apertured plates
A method and apparatus for detecting defects in apertures plates such as masks. The plate is illuminated by a collimated light beam and defects or irregularities...
US-4,445,134 Conductivity WSi.sub.2 films by Pt preanneal layering
A highly conductive layer utilizing a layer of Pt in conjunction with sputter deposited or co-evaporated WSi.sub.2 to enhance the conductivity increase of the...
US-4,442,428 Composite video color signal generation from digital color signals
A 3.58 MHz subcarrier signal and a 14.318 MHz clock signal are applied to three flipflops (50, 52 and 54) in such a manner that there appears on the output...
US-4,439,813 Thin film discrete decoupling capacitor
A decoupling capacitor for mounting on an integrated circuit multi-layer ceramic. A bottom layer electrode, is evaporated or sputtered onto a carrier. A high...
US-4,439,727 Low capacitance pad for semiconductor chip testing
A low capacitance pad structure is disclosed for testing a semiconductor chip, so as to enable the accurate measurement of rise times and delays in internal...
US-4,438,472 Active arc suppression for switching of direct current circuits
A DC arc suppression circuit is disclosed for suppressing arcs which occur across a mechanical switch or circuit breaker. Several embodiments are described which...
US-4,434,486 Self-switched data port in-band signaling protocol
A self-switched in-band signaling communication apparatus is disclosed which enables the switching of the signaling mode to the data mode on a single...
US-4,426,153 Apparatus for the reduction of image intensity variations in a continuously variable reducing copier
Image transferring apparatus for a continuously variable reduction electrostatic copier. A single fixed aperture is employed, adjacent the object plane, to: (1)...
US-4,421,994 High speed line driver with ground output capability
An FET driver circuit is disclosed which provides short circuit protection at the output node without reducing its performance. Grounded short circuit protection...
US-4,418,425 Encryption using destination addresses in a TDMA satellite communications network
An encryption system is disclosed which is based on channel destination addresses for a time division multiple access (TDMA) satellite communications network. A...
US-4,418,409 Byte data activity compression
In a TDMA satellite communications system, the data ports at two different earth stations have their data rates synchronized. The origination port stores the...
US-4,418,401 Latent image ram cell
An asymmetric RAM cell is disclosed which will have a predictable initial storage state when pulsed drain voltage is turned on and yet after the initial turn-on...
US-4,412,376 Fabrication method for vertical PNP structure with Schottky barrier diode emitter utilizing ion implantation
A vertical PNP bipolar transistor structure with Schottky Barrier diode emitter is disclosed which simplifies the structure and process steps for combining a...
US-4,409,673 Single isolation cell for DC stable memory
A fully selectable static memory cell formed in a single isolation region comprises a pair of word lines, an SCR latch including an NPN device and an associated...
US-4,405,238 Alignment method and apparatus for x-ray or optical lithography
Fine alignment of mask and wafer, using Fresnel zone plates is achieved. Light is focused on the wafer by a zone plate in the mask. Light diffracted from a zone...
US-4,404,732 Self-aligned extended epitaxy mesfet fabrication process
A fabrication process for a gallium arsenide MESFET device is disclosed. A feature of the invention is placing a gate structure on the gallium arsenide...
US-4,400,636 Threshold voltage tolerant logic
A logic gate is disclosed employing enhancement mode MESFET gallium arsenide devices which do not require the tight process control necessary in the prior art...
US-4,399,507 Instruction address stack in the data memory of an instruction-pipelined processor
An instruction pipeline for a data processor is disclosed, in which instruction execution is carried out in a sequence of phases which include fetching the...
US-4,397,019 TDMA Intertransponder communication
Groups of stations operate in TDMA mode relative to associated frequency-separated transponder segments of a satellite repeater. Stations at radio signaling...
US-4,397,018 Baton passing method and apparatus for maintaining synchronization in a TDMA satellite communication system
In a TDMA satellite communication system, one of the stations is elected the primary station which transmits a reference burst to all other stations to...
US-4,395,812 Forming an integrated circuit
A high performance JFET structure and process are disclosed which are compatible with high performance NPN transistors. The high performance JFET is merged in a...
US-4,392,209 Randomly accessible memory display
A randomly accessible memory display is disclosed wherein a latching memory panel can be placed in direct optical contact with the triggering electroluminescent...
US-4,391,034 Thermally compensated shadow mask
In vacuum sputter cleaning and plating operations forming a patterned metallic layer on a silicon semiconductor chip, alignment is maintained by anticipating the...
US-4,375,059 Fast charge transfer analog-to-digital converter
A charge coupled device analog-to-digital converter includes a plurality of charge storage stages that are arranged in a serial pipeline register and are...
US-4,374,626 Erasing typewriter with automatic/manual selection
An automatic erasing typewriter determines, in response to actuation of an erase key, if automatic erasing is possible. If not, the typewriter terminates the...
US-4,374,625 Text recorder with automatic word ending
A text recorder of the type which includes a text display device to record text in intelligible form on a typewritten page or line or page-like display in...
US-4,374,618 Microfilm camera having a moving lens
A microfilm camera employs a reciprocating lens to optically arrest motion of documents traveling in a high-speed stream for photographic exposure onto...
US-4,373,183 Bus interface units sharing a common bus using distributed control for allocation of the bus
A distributed data processing system is disclosed which has truly distributed control. A plurality of bus interface units (BIU) are interconnected by the...
US-4,373,166 Schottky Barrier diode with controlled characteristics
A self-isolated Schottky Barrier diode structure and method of fabrication are disclosed for generating a device having controlled characteristics. An opening is...
US-4,371,929 Multiprocessor system with high density memory set architecture including partitionable cache store interface...
In a multiprocessor system, a controllable cache store interface to a shared disk memory employs a plurality of storage partitions whose access is interleaved in...
US-4,370,732 Skewed matrix address generator
An address generator for an M-interleaved memory for accessing row or column elements of a matrix stored in a skewed matrix pattern includes an apparatus for...
US-4,366,613 Method of fabricating an MOS dynamic RAM with lightly doped drain
A method of manufacturing LDD MOS FET RAM capable of delineating short (less than 1 micrometer) lightly doped drain regions. An N.sup.- implant is effected...
US-4,358,890 Process for making a dual implanted drain extension for bucket brigade device tetrode structure
The invention is the structure and process for making a bucket brigade device which comprises the merger of an MOS capacitor with an MOSFET device to form the...
US-4,357,178 Schottky barrier diode with controlled characteristics and fabrication method
A self-isolated Schottky Barrier diode structure and method of fabrication are disclosed for generating a device having controlled characteristics. An opening is...
US-4,356,413 MOSFET Convolved logic
A generic FET logic circuit topology is disclosed which employs non-thresholded path routing to eliminate logic transition times in the critical data path....
US-4,352,184 Gas laser and method of manufacturing
A gas laser body, gas laser, a method of manufacture of gas laser body and a method of manufacturing a gas laser are disclosed. The gas laser body comprises a...
US-4,350,454 Ribbon cartridge including hub brake
A ribbon cassette or cartridge comprising a housing having a hub element supporting a core having a ribbon wound thereon, such as a typewriter or printer ribbon,...
US-4,346,470 Initial acquisition of synchronization for a station in a TDMA satellite communication network
A method and apparatus are disclosed for acquiring transmit synchronization at a secondary station with the periodic frame reference bursts from a reference...
US-4,344,222 Bipolar compatible electrically alterable read-only memory
A bipolar compatible electrically alterable read-only memory device and process are disclosed based upon the formation of an aluminum gate structure on the...
US-4,332,461 Electrical drive for scanning optics in a continuously variable reduction copier
A scanning continuously variable reduction electrophotographic copier includes a servo motor for driving the document scanning carriages. Servo motor, and...
US-4,332,026 Multiple data rate digital switch for a TDMA communications controller
A multiple data rate digital switch for a TDMA communications controller is disclosed which can service a plurality of input/output ports having many different...
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