| Patent # | Description |
|---|---|
| US-4,419,770 |
Wrist AM radio receiver A wrist AM radio receiver is housed in a bracelet-like structure adapted to be removably wrapped about a user's wrist and includes at least a bar antenna, a... |
| US-4,419,769 |
Digital tuning system for a varactor tuner employing feedback means for
improved tuning accuracy A tuning system for use in a communications receiver having a varactor tuner includes an alterable, non-volatile memory having a plurality of memory locations,... |
| US-4,419,768 |
Wideband tuner for VHF, CATV and UHF television signals A wideband tuner for television signals in the VHF, CATV and UHF bands comprises a VHF tuning section coupled to a VHF receiving terminal, a CATV tuning section... |
| US-4,419,767 |
Automatic digital control device for exact frequency tuning of a receiver In a voltage synthesizer type receiver in which the tuning frequency is varied in first and second directions and in which a tuning frequency is automatically... |
| US-4,419,766 |
Methods and means for providing improved air/ground radio telephone
communications An improved system and method for providing air/ground communications compatible with ground based telephone systems. The airborne equipment incorporates means for... |
| US-4,419,765 |
Signal absence detector The signal absence detector controls an operator circuit which periodically provides an operator signal to render the processor circuit in a communication... |
| US-4,419,764 |
Slit collimator in a panoramic X-ray apparatus A slit collimator for use in a panoramic X-ray apparatus for the collimation of X-rays into a narrow fan-like beam. The collimation is achieved by means of a... |
| US-4,419,763 |
Variable slanted channel collimator A collimator is disclosed which has a stack of radiation opaque plates that is tilted to vary the angle of view of the scintillation crystal of a radiation... |
| US-4,419,762 |
Asynchronous status register A register circuit which is used to asynchronously monitor any data or logical function (or functions) and be able to retain the status of the monitoring until... |
| US-4,419,761 |
Sequence control system A sequence control system is disclosed which divides data entered onto a time-chart into "1" data (hereinafter referred to as "black dot") and "0" data... |
| US-4,419,760 |
Augmented phase-locked loop for very wide range acquisition and method
therefor An augmented phase-locked loop for use with a data communication system in which the data is encoded into a plurality of symbol signals such that the channel on... |
| US-4,419,759 |
Concurrent carrier and clock synchronization for data transmission system The present invention is directed to circuitry for achieving concurrent synchronization of carrier phase and clock timing in double-sideband, suppressed carrier... |
| US-4,419,758 |
Transmission systems for transmitting signals over power distribution
networks, and transmitters for use therein A transmission system, for transmitting signals over an electrical power distribution circuit, comprises a transmitter arranged to produce at least two carrier... |
| US-4,419,757 |
Transformerless bipolar converter A system for generating a drift-free three-level pulse signal from a two-level input signal involves an improvement over prior art in that output transformers... |
| US-4,419,756 |
Voiceband data set A full duplex, synchronous data set (10) includes primary signal processing circuitry which generates a modulated transmit data signal in response to serial data... |
| US-4,419,755 |
Method for measuring the extent of slag deposit buildup in a channel
induction furnace Disclosed is a method for measuring the extent of slag deposit buildup in the channel of a channel induction furnace during operation. The method comprises... |
| US-4,419,754 |
Furnace electrode An electrode assembly includes an electrode and a crucible-supporting insert releasably secured to the electrode. In the preferred embodiment a collar is... |
| US-4,419,753 |
Network connection system An electronic exchange of the time division system type or the space division system type, employing electronic contacts, in which a U-junctor is connected to... |
| US-4,419,752 |
Circuit arrangement for transmitting two signals over one line in
opposite directions A circuit for transmitting in opposite directions two pulse-shaped signals via one connecting terminal(K) of a semiconductor body. When one signal is transmitted... |
| US-4,419,751 |
Multiport modem and the use thereof in a method and a system for testing
a multilevel communication network A method of testing a communication network that comprises a first and a second multiport modem communicating with each other through a transmission channel,... |
| US-4,419,750 |
Constant track width optical disk recording In accordance with the present invention, methods and apparatus are provided for making optical disk recordings having marks in radial format, representing... |
| US-4,419,749 |
Magnetic reproducing apparatus capable of receiving radio broadcast
programs A magnetic reproducing apparatus is disclosed which is capable of receiving radio broadcast programs. A tuner unit having approximately the same shape and size... |
| US-4,419,748 |
Continuous wave sonic logging Apparatus and method for sonic borehole logging using a continuous wave transmitted signal. The transmitted signal is received at a plurality of points... |
| US-4,419,747 |
Method and device for providing process and test information in
semiconductors A method and system for encoding key process and test information in semiconductors is disclosed. The invention is particularly useful in connection with... |
| US-4,419,746 |
Multiple pointer memory system A memory system includes a multiple memory pointer in which a pointer selection signal selects one of a plurality of memory pointers to generate an address... |
| US-4,419,745 |
Semiconductor memory device An improvement of a semiconductor integrated circuit device of a memory cell array which is formed by integrated injection logic memory cells. The semiconductor... |
| US-4,419,744 |
Non-volatile static ram element This application describes a non-volatile static ram element. The element includes a pair of field effect transistors T1 and T2 whose drain and gate electrodes... |
| US-4,419,743 |
Semiconductor memory device Disclosed is a semiconductor memory device in which dynamic cells, each comprising a capacitor and a field effect-type switching transistor, are arrayed at... |
| US-4,419,742 |
Shift register for magnetic domain propagation memory The register comprises a soft magnetic layer in which is formed the domain propagation channel, a hard magnetic layer and a domain shift conductor. The... |
| US-4,419,741 |
Read only memory (ROM) having high density memory array with on pitch
decoder circuitry The ROM utilizes a diode x-y memory array which can be comprised of a number of suitable materials which form rectifying junctions. The diodes are formed... |
| US-4,419,740 |
Method for storing and retrieving data An automated artwork generation system employs a video display and a microprocessor for verifying and editing data derived from a digitizer and utilized by a... |
| US-4,419,739 |
Decentralized generation of synchronized clock control signals having
dynamically selectable periods In a microprogrammed processor consisting of several circuitized chips, which are to be synchronously operated, each chip is provided with its own local clock... |
| US-4,419,738 |
Unit-price presetting method for electronic cash registers A unit-price presetting method for a plurality of electronic cash registers each equipped with a built-in memory and provided independently of one another, in... |
| US-4,419,737 |
Setting device for protective control system Digital setting value data, having been stored in a first non-volatile memory in response to the operation of a first switch, is transferred to and memorized in... |
| US-4,419,736 |
Teleprinter terminal A teleprinter terminal includes a keyboard and a printer, each of which is operated by means of a self-contained microprocessor, and a third microprocessor is... |
| US-4,419,735 |
Signal source for compressor analog An improved driving signal source for an electrical analog of a reciprocating compressor generates a variable frequency sinusoidal output. The ratio between the... |
| US-4,419,734 |
Inventory control system An inventory control system for a plurality of storage areas is provided wherein each storage area comprises at least one platform adapted to support a plurality... |
| US-4,419,733 |
Time deviation and inadvertent interchange correction for automatic
generation control A method for modifying an area control error signal for controlling the generation in each area of a multiple-area interconnected electric power system using... |
| US-4,419,732 |
Method and apparatus for an aircraft inner loop elevator control system An improved inner loop control is disclosed for use in an aircraft pitch axis control system. Signals representative of vertical acceleration and pitch rate are... |
| US-4,419,731 |
Apparatus for estimating slant visibility in fog Apparatus for estimating the slant visibility in obscured atmospheres such as fog, whereby an indication is derived as to when, during an aircraft landing... |
| US-4,419,730 |
Method and system for controlling the setting temperature of a vehicle
air conditioner The temperature of the interior of a motor vehicle is controlled by an air conditioner in relation to a temperature setting which is variable in response to an... |
| US-4,419,729 |
Automatic speed control for heavy vehicles An automatic speed control for a heavy duty vehicle includes a controller which regulates communication between a compressed air source and an air actuated... |
| US-4,419,728 |
Channel interface circuit providing virtual channel number translation
and direct memory access The subject channel interface circuit functions to provide a high speed interface between a processor and a data link, which link carries data messages having... |
| US-4,419,727 |
Hardware for extending microprocessor addressing capability A paging apparatus for improved mapping of virtual addresses to real addresses, addressing physical devices coupled to various communication buses, and... |
| US-4,419,726 |
Instruction decoding in data processing apparatus An instruction decoding system for data processing apparatus in which alternative instruction interpretations are made possible through hardware sensing of the... |
| US-4,419,725 |
Cache/disk subsystem with tagalong copy A system including a host processor, a disk drive device and a cache store for storing segments of data most recently used or most likely to be used, is provided... |
| US-4,419,724 |
Main bus interface package In a data processing system having a plurality of units and a priority controller for controlling access to a bus by any of the units, each of the units is... |
| US-4,419,723 |
Regulation of multiple-output DC-DC converters A multiple-output DC-DC converter has an electronically controllable reactor (64,66) connected in series with each output circuit. In response to variations in... |
| US-4,419,722 |
Light emitting diode holder A holder is provided for mounting a light emitting diode (LED) in an aperture in a panel. Relatively short fingers on the holder project through the aperture and... |
| US-4,419,721 |
Searchlight with modular control mechanism A control system for positioning a searchlight (2) in azimuth and elevation including an upper torque tube (34) and a lower torque tube (39) which are coupled... |