Threshold setting circuit
I claim as my invention: 1. A threshold value setting circuit for use with a pattern discrimination circuit adapted in video apparatus in which an array of picture elements is scanned to provide corre... Read More
Inventors: Yoshida, Hajime;, Assignee: Hajime Industries, Ltd. (Tokyo, JP) |
Moving target indicator system utilizing charge coupled device
The moving target indicator (MTI) processing system of the invention loads successive integrated samples, each representing a different time field, from individual detectors into adjacent CCD (charge-... Read More
Inventors: Holscher, Donald J.; French, Donald E.;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Individual toe measuring system
According to the present invention apparatus is provided for measuring individual wheel toe of a steerable wheel pair and a non-steerable wheel pair which support a chassis of a vehicle. An alignment ... Read More
Inventors: Lill, Melvin H.;, Assignee: FMC Corporation (Chicago, IL) |
Firearm recoil protection system
The present invention is directed to an improved firearm recoil protection device which is comfortable to wear and which provides excellent recoil protection. According to one feature of this inventio... Read More
Inventors: Maier, Bruce R.; Flannery, Lincoln R.;, Assignee: P.A.S.T. Corporation (Columbia, MO) |
Fiber optic hull penetrator with high channel density
What is claimed is: 1. A fiber optic hull penetrating assembly adapted to be inserted in a hull aperture comprising: an annular receptacle body adapted to be inserted in said hull aperture; a solid cy... Read More
Inventors: Allard, Frederick C.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Self-calibrating apparatus for photoelectrically scanning answer documents
A general object of my invention is to provide apparatus for photoelectrically scanning or reading answer documents which will be completely self-calibrating. More specifically, an aim of the inventio... Read More
Inventors: Kjeer, Clayton P.;, Assignee: National Computer Systems, Inc. (Minneapolis, MN) |
Optically-controlled two-channel integrated optical switch
A primary object of the present invention is to switch input optical energy between either one of two output ports in an integrated optics type switch. This object and others are achieved in accordanc... Read More
Inventors: Cross, Peter S.; Schmidt, Ronald V.;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal
An object of the present invention, therefore, is to eliminate the above-mentioned drawbacks of the prior art FM stereo demodulators, and to provide an FM stereo demodulator without need of low pass f... Read More
Inventors: Ishida, Kohji; Noguchi, Tadashi; Numata, Tatsuo;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Digital echo suppressor
The echo suppressor of the present invention operates on digital signals representing the signal on the receive and send lines to determine when interruption of the send line should take place. The se... Read More
Inventors: Campanella, Samuel Joseph; Suyderhoud, Henri George; Onufry, Jr., Michael;, Assignee: Communications Satellite Corporation (Washington, DC) |
Convertible handset/headset for telephone
In accordance with the illustrated preferred embodiment, the present invention provides a miniature telephone handset that is convertible into a headset, for use in conjunction with a telephone base u... Read More
Inventors: Larkin, Wallace K.; Stevens, Toni R.;, Assignee: ACS Communications, Inc. (Scotts Valley, CA) |
Headphone-convertible telephone hand set
Accordingly, to eliminate the above-mentioned shortcomings, the present invention provides a headphone-convertible telephone hand set having a receiver unit consisting of a stationary receiver and a m... Read More
Inventors: Chen, Ping-Huang;, Assignee: |
Picture transmission systems
An object of the present invention is to provide a picture transmission system in which no synchronising signals are required to be transmitted between the transmitter and receiver. Another object of ... Read More
Inventors: Ross, John; Sala-Spini, Amedeo Filiberto;, Assignee: The University of Western Australia (Nedlands, AU) |
Scrambler with self-calibration
In order to overcome these and other drawbacks of prior art scramblers, it is an object of the present invention to provide a self-calibrating scrambler which avoids the need for factory calibration. ... Read More
Inventors: Murphy, William T.; Farmer, James; West, Jr., Lamar;, Assignee: Scientific-Atlanta, Inc (Atlanta, GA) |
Digital speech/data discriminator for transcoding unit
We claim: 1. In a transcoding unit of a telecommunication system including circuit means for respectively directing digitized samples of speech signals and of voice-band-modulated data signals from an... Read More
Inventors: Castellino, Paolo; Rusina, Fulvio;, Assignee: Cselt Centro Studi e Laboratori Telecomunicazioni S.p.A. (Turin, IT) |
Secret telephony
What is claimed is: 1. In a system of secret transmission of speech, means to subdivide speech waves constituting a message into a plurality of narrow frequency bands, means to integrate the energy in... Read More
Inventors: Potter, Ralph K.;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Marking system using elastic surface waves
The present invention relates to a marking system using elastic surface waves in which the free surface of the sheet has an area formed by roughness whose depth is significantly less than the waveleng... Read More
Inventors: Guedj, Richard; Dieulesaint, Eugene; Royer, Daniel;, Assignee: Thomson-CSF (Paris, FR) |
Taximeter
It is therefore an object of the invention to provide an electronic taximeter which overcomes the above difficulties. It is a more specific object of the invention to provide an electronic taximeter w... Read More
Inventors: Steiner, Jack;, Assignee: Centrodyne Corporation (Montreal, CA) |
Effect addition apparatus
It is an object of the present invention to provide an effect tone addition apparatus which can prevent generation of noise in an effect tone when a tone color parameter which determines effect tone c... Read More
Inventors: Sakata, Goro;, Assignee: Casio Computer Co., Ltd. (Tokyo, JP) |
Dual-processing interference cancelling system and method
Accordingly, it is an object of the present invention to provide an interference cancelling system capable of processing a broadband input without disproportionately increasing the computational burde... Read More
Inventors: Marash, Joseph;, Assignee: Andrea Electronics Corporation (Melville, NY) |
Tone control circuit
Thus, one object of the present invention is to provide a tone filtering circuit of the above-described type which minimizes the number of access terminals required for the integrated circuit comprisi... Read More
Inventors: Blachot, Denis;, Assignee: Thomson-CSF (Paris, FR) |
Asynchronous interface for electronic musical instrument with multiplexed note selection
The asynchronous interface of the present invention includes two buffer memories such as random access memories (RAMs). Key data (WRITE DATA) is written into one of the RAMs from a computer or other e... Read More
Inventors: Wise, Stephen A.;, Assignee: Allen Organ Co. (Macungie, PA) |
Cryptographic key management and validation system
OF THE PRESENT INVENTION In describing the present invention, reference is made to the drawings, wherein there is seen various aspects of a Key Management and Validation System, also referred to here... Read More
Inventors: Baker, Walter J.; Bator, Feliks; Cordery, Robert A.; Hunter, Kevin D.; Lawton, Kathryn V.; Loglisci, Louis J.; Pauly, Steven J.; Pintsov, Leon A.; Ryan, Jr., Frederick W.; Weiant, Jr., Monroe A.; Heiden, Gary M.;, Assignee: Pitney Bowes Inc. (Stamford, CT) |
Elastomeric dielectric polymer film sonic actuator
This invention relates to an acoustic actuator or loudspeaker system. More specifically, the invention is a device that is capable of producing sound, vibrations, and changes in the shape and roughnes... Read More
Inventors: Pelrine, Ronald E.; Kornbluh, Roy D.; Eckerle, Joseph S.;, Assignee: SRI International (Menlo Park, CA) |
Programmable filter/equalizer for duel speed and density magnetic recording devices
We claim: 1. A programmable filter stage for filtering an input voltage over at least two cut-off frequencies, said programmable filter stage comprising: means for inputting said input voltage into sa... Read More
Inventors: Shah, Prabodh L.; Kennedy, Ronald R.;, Assignee: Colorado Memory Systems, Inc. (Loveland, CO) |
FM theta-inducing audible sound, and method, device and recorded medium to generate the same
OF THE INVENTION Now explaining this invention in detail in conjunction with several embodiments and experiment, the wording "modulated wave" as referred to in this invention means those where a very... Read More
Inventors: Masaki, Kazumi; Matsuda, Osamu;, Assignee: Hayashibara; Ken (Okayama, JP) |
Method and apparatus for filtering high resolution digital signals
The present invention will be more completely understood through the following detailed description which should be read in conjunction with the attached drawing in which similar reference numbers in... Read More
Inventors: Golla, Carla; Cremonesi, Alessandro;, Assignee: SGS-Thomson Microelectronics S.r.l. (Agrate Brianza, IT) |
Classified adaptive multiple processing system
The present invention provides a method, apparatus, and computer-readable medium for selectively performing, based upon a control signal, different classified adaptive processes on input data. In one ... Read More
Inventors: Kondo, Tetsujiro; Fujimori, Yasuhiro; Ghosal, Sugata; Carrig, James J.;, Assignee: Sony Corporation (Tokyo, JP); Sony Electronics, Inc. (Park Ridge, NJ) |
Method and apparatus for arithmetic shifting
OF A PREFERRED EMBODIMENT Generally, the present invention provides a method and apparatus for arithmetic shifting. Such a method and apparatus includes processing that begins by receiving a decoded ... Read More
Inventors: Tovey, DeForest;, Assignee: ATI International, SRL (Barbados, KN) |
Method and apparatus for real bar measurements
In accordance with the present invention, the distance of the tip of the probe tube from the ear drum may be determined, allowing the probe tube test to be taken at a consistent location within the ea... Read More
Inventors: Geisler, C. Daniel; Chan, Chi-Kong J.;, Assignee: Nicolet Instrument Corporation (Madison, WI) |
Audio feedback suppressor
We claim: 1. Apparatus for minimizing feedback to an acoustic to electric signal transducer of an acoustic signal derived from an electric to acoustic transducer comprising means responsive to an elec... Read More
Inventors: Stepp, Elvin D.; Claypoole, Gary L.;, Assignee: Cincinnati Electronics Corporation (Cincinnati, OH) |
Audio Signal Processing 
