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Patent # Description
US-4,536,788 Demodulated chrominance signal filter using impedance mismatched sections
A filter network suitable for translating a signal such as a demodulated "I" chrominance component of a composite color television signal is disclosed. The...
US-4,536,787 Demodulated chrominance signal filter with peaked response
A filter network suitable for processing a signal such as the demodulated "I" chrominance component of a composite color television signal is disclosed. The...
US-4,536,786 Lead electrode connection in a semiconductor device
Raised contacts included within a semiconductor chip are bonded to respective external leads through the use of a bonding tool. The raised contacts and/or the...
US-4,536,785 One transistor dynamic random access memory
A dynamic random access memory cell including a storage capacitor defined by an electrode and dielectric layers on both sides of said electrode and a transistor...
US-4,536,784 Semiconductor device having a junction capacitance, an integrated injection logic circuit and a transistor in a...
A semiconductor device has a diffused layer of a first conductivity type which extends to a buried layer of a second conductivity type, formed in a manner to...
US-4,536,783 High di/dt, light-triggered thyristor with etched moat current limiting resistors
The present invention is directed to a light-triggered thyristor having a high di/dt, high dv/dt, and high photosensitivity. The thyristor has a three-stage...
US-4,536,782 Field effect semiconductor devices and method of making same
A transistor is formed about a recess in the planar surface of a substrate of silicon. A pair of insulating spacers is provided in the recess, each abutting a...
US-4,536,781 Fabrication of superconductive tunneling junction resistors and short circuits by ion implantation
A superconductive junction device for fabricating Josephson integrated circuits is useful for replacing deposited thin-film resistors and for short-circuit...
US-4,536,780 Superconductive tunneling junction resistor and method of fabrication
A superconductive junction device for fabricating Josephson integrated circuits is useful for replacing deposited thin-film resistors. Derived by "poisoning" a...
US-4,536,779 Heat-sensitive recording material
A heat-sensitive recording material which comprises in its color reactant system, as developer for the color former, at least one aluminum or zinc salt of a...
US-4,536,778 Recording apparatus with modular LED array of higher production yield
A recording device for linearly recording information upon a moving photoreceptor using a recording head that can be manufactured more readily. The recording...
US-4,536,777 Liquid jet recording apparatus
In a liquid jet recording apparatus comprising a liquid jet section including orifice means for discharging a liquid to form flying droplets and liquid path...
US-4,536,776 Ink-jet printing device
The device comprises a plurality of ink reservoirs, each connected to a number of nozzles (22) equidistant along a corresponding row. The nozzles connected to...
US-4,536,775 Thermal printing apparatus
Thermal printing apparatus includes a magnetic core having a gap, an electromagnetic coil mounted on the core for generating an electromagnetic field in the core...
US-4,536,774 Thermal head drive circuit
A thermal head drive circuit with the input connected to a source of printing data and the output connected to a thermal head including heater elements, so as to...
US-4,536,773 Magnetic recording apparatus with adjustable line density
Apparatus for forming latent images in a magnetic printing apparatus provides a recording head having a plurality of channels. Among the plurality of channels,...
US-4,536,772 Thermal transfer printing apparatus
In a thermal transfer printing apparatus in which a thermal head having a series of selectively energized heating elements arranged substantially along a...
US-4,536,771 Heating control device for a thermal ink-transfer type printing apparatus
A heating control for a thermal printing head having a plurality of head elements for heating a transfer sheet adhered with a kind of ink which melts due to heat...
US-4,536,770 Reverse side marking plotter/printer pad
Improved plotting and printing apparatus has a writing surface for supporting a printing medium and which has an opening for exposing the underside of the...
US-4,536,769 Method of recording information on an electrosensitive record carrier
The invention concerns a method of recording information on an electrosensitive record carrier, preferably a record carrier covered with a metallic or...
US-4,536,768 Coaxial power dissipation line
A termination for a VHF inverted-V half-rhombic antenna is described, consisting of a transformer terminated into a length of high attenuation coaxial cable...
US-4,536,767 Microwave directional antenna employing surface wave mode
A microwave directional antenna, particularly for the millimeter-wave range, comprises a dielectric line with line discontinuities, affixed to a metallic ground...
US-4,536,766 Scanning antenna with automatic beam stabilization
A external feedback network for decreasing variations in a beam pointing angle of a scanning antenna array. A dedicated aperture manifold is intergral with the...
US-4,536,765 Method for reducing ice and snow build-up on the reflecting surfaces of dish antennas
A thin layer of a non-stick coating having a low coefficient of friction and a low solar reflectivity producing a non-wettable surface is applied to the...
US-4,536,764 Method of counting multiple targets in the post detection processing of a radar
A method of analyzing the doppler spectrum obtained from narrow band doppler filtering in the post-detection processing of a radar for the purposes of counting...
US-4,536,763 On-board orientation device for aircraft
A pulse radar device which can sweep in the azimuth direction with a two element direction finding antenna (1, 2) having a fan pattern and wherein the path...
US-4,536,762 Matrix encoder for sensor arrays
A meter dial register encoder employs a plurality of photoresistor sensors in a row and column matrix configuration. A microcomputer selectively scans the...
US-4,536,761 Radio paging receiver having display control means
A radio paging receiver which generates an alert tone and a message display on receipt of a selective calling signal, includes a manually operated non-lock type...
US-4,536,760 Signal-envelope display system for a digital oscilloscope
A signal-envelope display system for a digital oscilloscope includes a memory for storing minimum and maximum signal values in adjacent storage locations, an...
US-4,536,759 Multi-format data display
A display controller drives a nine digit, seven segment display in accordance with desired display formats for preselected lengths of time. The controller...
US-4,536,758 Fault indicator with push button reset
A fault indicator for indicating the occurrence of a fault current in an electrical conductor includes a rotatable indicator flag having fault-indicating and...
US-4,536,757 Device for signalling a specific charge condition of an accumulator battery
A device for signalling a specific charge condition of an accumulator battery (B) comprises a comparator circuit (C) for comparing the battery voltage (V.sub.B)...
US-4,536,756 Pressure indicator and alarm
A device to be used in conjunction with oxygen cylinders or other gas cylinders which will sound a warning and/or flash a light when the gas supply is running...
US-4,536,755 Apparatus for detecting unauthorized egress by patient from position of confinement
An apparatus and a method for monitoring the activity of a patient comprehend the sensing of the downwardly directed angular inclination of the distal end of the...
US-4,536,754 Magnetically retained connecting cable incorporating magnetically operated switch
A connecting and sensing device and a method for its use in a system for electrically monitoring physical security, including a magnetically operated switch,...
US-4,536,753 Self monitoring intruder detecting system of noise-cancelling vibration detectors
A ferrite transformer is coupled between a two-wire array of geophones or other suitable vibration detectors (such as hydrophones). An oscillator is coupled...
US-4,536,752 Intrusion detection system and method
An intrusion detection system includes a transmitter coupled to one end of a coaxial cable, a plurality of antennas spaced along and loosely coupled to the...
US-4,536,751 System for detecting an alarm
A system for detecting an alarm for emergency situations of a door or a window of a building or house in a predetermined guard area, comprising: an alarm...
US-4,536,750 Car-directing apparatus for an alarm system
A car-directing apparatus for an alarm system, directing dispatched engineers in a dispatch car to the site of an emergency or abnormality. The car-directing...
US-4,536,749 Security-ensuring apparatus having an operational guidance function
A security-ensuring apparatus having an actuating unit for the initial actuation thereof, an alarm-mode selecting unit for selecting a desired alarm mode set in...
US-4,536,748 Process for protecting a remote monitoring system against sabotage and a system using this process
Each sensor of the system is connected to a central station and is interrogated cyclically. In turn, the sensors generate over a bus line a variable amplitude...
US-4,536,747 Comprehensive intruder-environmental hazard detection, control, and action system
Detectors (11a-d) are located at a plurality of locations and include go, no-go decision processor apparatus for subjecting outputs of the detectors (11a-d) to a...
US-4,536,746 Transducer for converting three dimensional mechanical input displacements into a corresponding electrical...
The present invention can be used either as a joystick controller having three dimensions of control or as a three dimensional pressure sensor for signature...
US-4,536,745 Sampling frequency conversion device
An input digital signal with M(=5) samples/second is converted to an output signal with N(=6) samples/second with n(=9) quantization bits. The device comprises...
US-4,536,744 Analog to digital converter for precision measurements of A.C. signals
An analog-to-digital converter for performing extremely accurate measurements of AC voltages. In the conversion process, the most significant bits are determined...
US-4,536,743 Method of converting a digital signal into an analog signal and a digital-to-analog converter therefor
In the invention, a digital signal consisting of upper and lower bits is sampled while the upper and lower bits are divided. The sampled digital signal...
US-4,536,742 Method of encoding a stream of data bits, device for carring out the method, and device for decoding a stream...
The invention relates to a method of encoding a stream of data bits of a binary source signal into a stream of data bits of a binary channel signal. The stream...
US-4,536,741 Digital quantizer
An input signal sample is converted, i.e., quantized, from a first digital code to a second digital code by combining an array of stored differential quantizer...
US-4,536,740 Doublet detector for data recording or transmission
A data recovery circuit useful in magnetic data recording systems employs doublet pulses to at least partially encode data. Measurement of the slope of the...
US-4,536,739 Apparatus for communication of instructing information
An apparatus for communication of instructing information comprises a transmitter (1), a receiver (2) and a data setting portion (5). A random access memory (22)...
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