| Patent # | Description |
|---|---|
| US-4,905,319 |
Superconducting device including a thin chromium film with negative
susceptibility A room temperature superconductor having a metal thin film with negative susceptibility coated upon a substrate. The thin film is covered by a protective coating... |
| US-4,905,318 |
Semiconductor hall element with magnetic powder in resin A highly magnetic Hall element comprising a substrate, a Hall element chip mounted on the substrate, and a magnetic member interposed between the substrate and... |
| US-4,905,317 |
Path memory control method in Viterbi decoder A path memory control method in a Viterbi decoder outputs, when a plurality of decoding steps are required to trace back to a final stage of a surviving path,... |
| US-4,905,316 |
Magnetic field generating system for magnetic resonance imaging system A magnetic field generating system for use in a magnetic resonance imaging system to apply a static magnetic field and additionally a gradient field and a high... |
| US-4,905,315 |
Camera tracking movable transmitter apparatus Apparatus for mounting and positioning an associated device such as a camcorder which includes a transmitter for producing a control signal, a substantially... |
| US-4,905,314 |
Semiconductor integrated circuit device having an object circuit to
which output voltages of the sub- and main... A sub-booster circuit for further stepping up an output voltage of a main booster circuit includes a first MOS transistor having a drain connected to the output... |
| US-4,905,313 |
Gas/liquid contact apparatus A gas/liquid contact apparatus that includes a plurality of packing sheets arranged in parallel, vertical, upright, face-to-face relationship. The packing sheets... |
| US-4,905,312 |
Image logic operation device An image logic operation device for performing logic operations on images, the device comprising a first image unit for storing a first light image and sending... |
| US-4,905,311 |
Optical surface roughness measuring apparatus with polarization detection An optical surface roughness measuring device for measuring roughness of a surface of a subject in a non-contacting manner. The apparatus includes a laser device... |
| US-4,905,310 |
Laser cutting and welding of sheet metal using a shield of compressed air A method of simultaneously cutting and welding metal, especially relatively thin sheets of metal, utilizing laser energy. The invention uses surface tension in... |
| US-4,905,309 |
Optical remote control system An emission device includes a first electro optical converter for converting electrical energy from a supply source into optical energy. A second electrical... |
| US-4,905,308 |
Noise parameter determination method A method of determining a receiver's noise parameters by measuring one noise power for a first source noise temperature and a plurality of noise powers for... |
| US-4,905,307 |
Synchronous receiver with direct mixing A synchyronous receiver with direct mixing comprising a phase detector and an amplitude demodulator is provided with a square-law envelope detector and means for... |
| US-4,905,306 |
Filter switching arrangement for a tuner In a tunable filter including first and second inductors, a varactor diode, and a bandswitching diode connected intermediate the inductors to select the inductor... |
| US-4,905,305 |
Method and apparatus for controlling the frequency of operation and at
least one further variable operating... The operating frequency of a radio transceiver and at least one further variable operating parameter of the radio transceiver are controlled in accordance with... |
| US-4,905,304 |
Mobile radio facility A mobile radio facility for installation in a motor vehicle which already includes a junction cable extending from a location in the trunk to a location in the... |
| US-4,905,303 |
Television audio signal converter A converter to convert audio signal associated with commercial television transmissions for input into conventional AM/FM automobile receivers so as to... |
| US-4,905,302 |
Trunked radio repeater system A digitally trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical... |
| US-4,905,301 |
Selective system scan for multizone radiotelephone subscriber units A radiotelephone subscriber unit which overcomes the problem of attempting to access an undesired radiotelephone system is disclosed. A comparison between the... |
| US-4,905,300 |
Motor control and power systems and methods of operation thereof A pulsating D.C. voltage is developed by a rectifier 86 and is filtered by a capacitor 100 to facilitate application of a relatively smooth, enhanced D.C.... |
| US-4,905,299 |
Hold down bearing retainer A single bolt hold-down bearing retainer device for a bearing assembly nested in a circular cavity of a cast housing. The retainer is in the form of a plate-like... |
| US-4,905,298 |
Resealable closure There is disclosed a releasable closure for a container which is particularly suitable for plastic bags. The closure is formed by a pair of opposed bands of... |
| US-4,905,297 |
Arithmetic coding encoder and decoder system Apparatus and method for compressing and de-compressing binary decision data by arithmetic coding and decoding wherein the estimated probability Qe of the less... |
| US-4,905,296 |
System for shape recognition A system for shape recognition includes a spatial convolution filter which has an approximately band pass response. The filter is applied to a camera image and... |
| US-4,905,295 |
Code sequence matching method and apparatus A code sequence matching method adapted to pattern recognition of characters compares one code selected from an unknown code sequence which is extracted from an... |
| US-4,905,294 |
Image processing apparatus An image processing apparatus comprises image data input means and processing means for processing an input image data. The processing means includes image... |
| US-4,905,293 |
Image input device An image input device for optically sensing a fingerprint or like pattern to convert it to an electrical signal is disclosed. A guide is provided on a contact... |
| US-4,905,292 |
High probability of detection, low false alarm multisensor ATR An Aided Target Recognition System (ATR) is provided wherein the recognit abilities of two ATR sensor subsystems with mutually exclusive false alarm... |
| US-4,905,291 |
Cyberoptic audio level control system The specification discloses an audio signal level control system including a center-tapped photocell incorporated into an attenuator bridge. The cell elements... |
| US-4,905,290 |
Howling protective apparatus A howling protective apparatus comprising a phase fluctuation control means, a wave peak comparison means and a timer circuit, wherein said phase fluctuation... |
| US-4,905,289 |
Apparatus for the digital storage of audio signals employing read only
memories A semiconductor read only memory (ROM) serves to store digitized audio signals in a redundancy free form. The output of the memory is coupled to the input of a... |
| US-4,905,288 |
Method of data reduction in a speech recognition The present invention describes a method and arrangement for reducing a sequence of initial frames into a reduced set of representative frames by combining the... |
| US-4,905,287 |
Pattern recognition system Multiple similarities between phoneme feature data extracted from a word input signal and reference pattern data read out from a reference pattern memory are... |
| US-4,905,286 |
Noise compensation in speech recognition In speech recognition it is advantageous to take account of noise levels both in recognition and training. In both processes signals reaching a microphone are... |
| US-4,905,285 |
Analysis arrangement based on a model of human neural responses A sensory type pattern such as a speech or other sound pattern is analyzed to obtain the spectral distribution of the neural response thereto. A plurality of... |
| US-4,905,284 |
Audio system for vehicular applications Electronic crossover modules and systems in accordance with the invention employ a set of crossover channels in each module together with internal input... |
| US-4,905,283 |
Surround decoder A surround-decoder comprises terminals to which left and right stereo input signals are applied, a decoder for processing the left and the right stereo input... |
| US-4,905,282 |
Feature negotiation protocol and dynamically adjustable retraining
sequence for a high speed half duplex modem A feature negotiation protocol for synchronous operation and a dynamically adjustable retraining sequence. An originating modem, after completing conventional or... |
| US-4,905,281 |
Security apparatus and method for computers connected to telephone
circuits A security apparatus for interfacing a computer system with a telephone circuit includes a modem and a controller interfacing between the telephone circuit and a... |
| US-4,905,280 |
High security videotext and videogame system A pay per use system allows the broadcast of television, videotext, and videogame programming all in the same system. The programming is broadcast in scrambled... |
| US-4,905,279 |
Learning-functionalized remote control receiver A remote control receiver which can be "taught" to recognize a remote control signal from any of a plurality of remote control receivers as its control signal.... |
| US-4,905,278 |
Scrambling of analogue electrical signals In a system in which an audio signal is scrambled by being divided into blocks each comprising a plurality of segments, and the segments are re-ordered within... |
| US-4,905,277 |
Method for enciphering and deciphering instructions in a microcomputer,
and a microcomputer used for effecting same A method for enciphering and deciphering instructions in a microcomputer and a microcomputer for effecting the same, in which, an instruction is coded into at... |
| US-4,905,276 |
Telephone earpiece extension attachment The open end of a thin shell is snugly fitted over the earpiece of a standard telephone handset to secure the shell on the handset. Teeth or projections can... |
| US-4,905,275 |
Laminar type telephone protector block and interconnectable modular
elements therefor A laminar type telephone protector block of quick clip type including grounding means incorporated into the individual laminae, and a novel protector module of... |
| US-4,905,274 |
Key telephone management system A key telephone management controller system enabling telephone customers to control and implement changes to customer key telephone systems served by a... |
| US-4,905,273 |
Data transmission system A device is placed intermediate a data transmitter, such as a facsimile machine and the public switched telephone network, and selectively processes the calls in... |
| US-4,905,272 |
PABX cordless telephone system A PABX cordless telephone system comprising a base station (10) and a plurality of handset (HS1 to HS5). The base station is connected to the public switching... |
| US-4,905,271 |
Method of preventing auto theft A method of preventing auto theft utilizes an anti-theft system and a mobile telephone system. When abnormality indicative possible auto theft occurs, the... |
| US-4,905,270 |
Vehicular hands-free telephone system A voice of user is picked up by a microphone built in a sun visor of a vehicle. The output of microphone is frequency-modulated by an FM transmitter powered by a... |