Digital to analog converter and bias circuit therefor
It is an object of the present invention to solve the problems of the related art. An object of the present invention is to provide an accurate D/A converter. Another object of the invention is to pro... Read More
Inventors: Park, Yong In;, Assignee: LG Semicon Co., Ltd (Cheongju, KR) |
Reproducing device having index search function and access method therefor
The present invention has been implemented in view of the foregoing problems, and an object of the present invention is to enable a program having no index information to be subjected to the same oper... Read More
Inventors: Nagano, Shuichi; Tomizawa, Kenji;, Assignee: Sony Corporation (Tokyo, JP) |
Method and apparatus for low power, micro-electronic mechanical sensing and processing
In view of the foregoing background, the present invention advantageously provides a method and apparatus for accurately, compactly, and flexibly remotely monitoring a device by the use of a plurality... Read More
Inventors: Tanenhaus, Martin; McDowell, Robert; Nelson, Tom;, Assignee: System Excelerator, Inc. (Orlando, FL) |
Reduction of radar antenna area
The present invention is a method and apparatus for allowing the minimum antenna area constraint to be offset or relaxed by: (a) transmitting signals with a novel format and (b) processing the reflect... Read More
Inventors: Gail, William B.;, Assignee: Ball Corporation (Muncie, IN) |
Compact computing device having a compressible keyboard
This invention provides portable electronic devices, such as notebook computers with the capability of a full-size or nearly full-size keyboard. In specific embodiments, the present invention provides... Read More
Inventors: Wood, Anthony B.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Method and system for upgrading a universal remote control
It is an object of the invention to provide a system and method, wherein the source remote control need not be present. To achieve that object, the method according to the invention is characterized b... Read More
Inventors: Lambrechts, Marc Emiel Celine; Note, Stefaan Marcel Maria; Wouters, Johan Agnes Emile; Musschebroeck, Rudy;, Assignee: Koninklije Philips Electronics N.V. (Eindhoven, NL) |
Use of a copper-titanium-cobalt alloy as the material for electronic components
The purpose is inventively attained by the use of a copper-titanium-cobalt-alloy, which consists of 0.05 to 0.6% titanium; 0.05 to 0.6% cobalt; remainder copper and the usual impurities (the percenta... Read More
Inventors: Duerrschnabel, Wolfgang; Puckert, Franz J.; Stueer, Heinrich;, Assignee: Wieland-Werke AG (Ulm, DE) |
Vehicle security device with electronic use authorization coding
The invention relates to a vehicle security device having electronic use authorization coding for preventing unauthorized use of the vehicle. Vehicle security devices of this generic type are known, s... Read More
Inventors: Brinkmeyer, Horst; Daiss, Michael; Schwegler, Gunter; Kruger, Bertolt;, Assignee: Mercedes-Benz AG (DE) |
Authentication between communicating parties in a telecommunications network
What is claimed is: 1. Method of authentication between communicating parties in a telecommunications network, wherein a network element and terminal equipment perform authentication of each other and... Read More
Inventors: Juopperi, Jari;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Modulation/demodulation apparatus and information processing apparatus
In view of the above-described status of the art, it is an object of the present invention to provide a modulation/demodulation system or apparatus and an information processing system or apparatus wh... Read More
Inventors: Takahara, Hideki;, Assignee: Sony Corporation (JP) |
Remote control apparatus
It is an object of the present invention to provide a remote control apparatus capable of eliminating the defects inherent in the prior art remote control equipment. Another object of the invention is... Read More
Inventors: Osakabe, Yoshio; Suzuki, Tadao;, Assignee: Sony Corporation (Tokyo, JP) |
DTMF-Code controlled lock device
It is accordingly a primary object of the present invention to provide a DTMF-code controlled lock device that overcomes the foregoing problems associated with the prior art. According to the present ... Read More
Inventors: Cho, Jim;, Assignee: |
Computerized door locking and monitoring system using power-line carrier components
This invention is a method of locking, unlocking and monitoring doors using a computer and a computer software program, electro-locking devices wired to power-line carrier components and existing AC w... Read More
Inventors: Syron-Townson, Ann T.; Townson, James A.;, Assignee: |
Optical motion sensor and method for operating same
OF THE PREFERRED EMBODIMENT The preferred embodiment of the present invention uses a pair of optical components which are coupled together, with a light emitter generating light which is directed thr... Read More
Inventors: Ghazarian, John;, Assignee: Sellman; George (Murrieta, CA) |
Communication path integrity supervision in a network system for automatic alarm data communication
These and other aspects and objects are provided according to the invention in a communication path integrity supervision system in a network system for automatic alarm data communication. In accordan... Read More
Inventors: Britton, Rick A.;, Assignee: |
Automatic tuning circuit arrangement with switched impedances
What is claimed is: 1. A tuning circuit arrangement for a receiving loop antenna of a receiver having a tuning system comprising: first and second input signal terminals to which said loop antenna is ... Read More
Inventors: Torres, Rafael; Henderson, John G. N.;, Assignee: RCA Corporation (New York, NY) |
Digitally tuned electrically small antenna
The antenna system of the present invention represents a more thoroughgoing solution to the requirements of the new radios. It is suitable for use over a very wide band including the UHF and VHF bands... Read More
Inventors: Anderson, Mardis V.; Griffee, Leslie V.; Grona, William H.; Leverington, Richard D.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Antenna with P.I.N. diode switched tuning inductors
It is an object of the present invention to provide an improved form of antenna enabling rapid frequency switching to be effected so as to enable the antenna to be re-tuned as required in synchronism ... Read More
Inventors: Cooper, Charles E.;, Assignee: |
Vehicle antenna system
It is therefore an object of the present invention to provide a vehicle antenna system which can effeciently detect surface currents induced on the vehicle body by broadcast waves through an increased... Read More
Inventors: Ohe, Junzo; Kondo, Hiroshi;, Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Tunable antenna apparatus and method for use with superheterodyne receivers
The foregoing and other objects of the invention are accomplished by providing antenna tuning apparatus for use with a conventional tunable receiver connectable to an external antenna. The receiver is... Read More
Inventors: Karr, Lawrence J.;, Assignee: |
Railway signalling system
According to the present invention from one aspect there is provided a railway signalling system comprising: control means for controlling the movements of railway vehicles on a railway track, includi... Read More
Inventors: Newman, Greogory D.;, Assignee: Westinghouse Brake and Signal Holdings Limited (GB) |
Communication network system and rebuilding method thereof
Under the circumstances, it is an object of the invention to provide a communications network system which can be rebuilt in a short time in case of a trouble. To achieve the aforementioned object, th... Read More
Inventors: Tsuji, Kiyotaka;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Remote-control system for large rooms with free grouping
The present invention solves this problem by means of storage devices, which are programmed as an association table, through which the decoders permit one or more key addresses to be assigned to each ... Read More
Inventors: Zirkl, Siegmar; Gerlach, Horst;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Remotely actuated door lock light
What is claimed is: 1. A door lock assembly comprising a lock plug having a key receiving opening, selectively operable light source means for illuminating said key receiving opening, RF receiver mean... Read More
Inventors: Maffey, George E.; Saar, David A.; Simpson, Raymond W.;, Assignee: Emhart Inc. (Newark, DE) |
System for monitoring the condition of tires
OF THE PREFERRED EMBODIMENT In FIG. 1 individual speed sensors 10, 11, 12, 13 sense the rotational velocities N.sub.ij (N.sub.vl, N.sub.vr, N.sub.hl, and N.sub.hr) of the four wheels (not shown) of a... Read More
Inventors: Schmitt, Johannes; Hessmert, Ulrich;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Communication process device and method therefor
Accordingly, it is an object of the present invention to provide a device for attaching an earphone key to a earphone-microphone used for a portable phone and performing operations required for commun... Read More
Inventors: Hwang, Jong-Soo; Chun, Kyung-Joon;, Assignee: Samsung Electronics Co., Ltd. (KR) |
Card-edge connector and card member
It is an object of the present invention to provide a card edge connector allowing a minimum of defective contact to occur and allowing a minimum of impurities to deposit on the contact points of cont... Read More
Inventors: Kamiyamane, Shin;, Assignee: NEC Corporation (Tokyo, JP) |
Transmission line switching system
It is, therefore, an object of the present invention to provide a transmission line switching system capable of reliably performing transmission line switching without the need for an exclusive transm... Read More
Inventors: Hirata, Yoshimi;, Assignee: NEC Corporation (JP) |
Location and velocity measurement system using atomic clocks in moving objects and receivers
These objects and others are realized by the invention which is directed broadly to apparatus for determining the relative velocity of a moveable object. Signal generating means carried by the moveabl... Read More
Inventors: Nathanson, Harvey C.; Einolf, Jr., Charles W.; McShane, James L.; Cole, Jr., Elbert L.;, Assignee: Northrop Grumman Corporation (Los Angeles, CA) |
Image rejection mixer
Details of the present invention, and some of the theory underlining one of the principal factors of the present invention whereby a controllable switch is utilized to select from one or the other of ... Read More
Inventors: Martinson, Glen D.;, Assignee: BEL-Tronics Company (Mississauga, CA) |
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