System and method for over the air programming of mobile stations
A mobile station is provided for transmitting and receiving communication signals over the air, the mobile station including a memory storing user preference information a receiver adapted to receive ... Read More
Inventors: Schmidt, Paul; Gahagen, Thomas;, Assignee: Ericsson Inc. (Research Triangle Park, NC) |
Speakerphone state-controlled alerting arrangement
FIG. 1 shows a telephone station set 100, which is a conventional set but for modifications described herein. As is conventional, set 100 includes a hookswitch 108, a conventional remote speakerphone... Read More
Inventors: Petty, Norman W.; Tierney, Jr., Thomas J.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Electrically-operated backup alarm
We claim: 1. An electrically-operated alarm device comprising: oscillator means for producing electromagnetic signals; signal conditioning means coupled to the oscillator for processing signals receiv... Read More
Inventors: Gailbreath, Samuel H.; Whitaker, Ronald K.;, Assignee: Electronic Controls Co. (Boise, ID) |
Telephone test instrument
The present invention meets the aforementioned need by providing a novel and improved telephone test instrument. The present invention is controlled by a programmed data processor. This permits operat... Read More
Inventors: Hilligoss, William R.; Hillogoss, Lawrence D.; Van Winkle, David; Butler, Myron C.;, Assignee: Communications Manufacturing Company (Los Angeles, CA) |
Computer-controlled electronic system monitor
Accordingly, it is an object of the present invention to provide an improved electronic system monitor to give accurate information continuously from which "soft" failures can be detected and repaired... Read More
Inventors: Hicks, John R.; Mailandt, Peter;, Assignee: Decibel Products, Inc. (Dallas, TX) |
Means and method for providing insulation splice
What is claimed as new and desired to be secured by Letters Patent of the United States is: 1. The method of forming a water-tight splice in the insulation of two electrical cables, comprising the ste... Read More
Inventors: Scardina, deceased, Virgil R.; Scardina, executrix, by Annette;, Assignee: Siemens-Allis, Inc. (Atlanta, GA) |
Arrangement for operating a mobile terminal in a wireless switching system based on different communication standards
OF THE PREFERRED EMBODIMENTS The operating mode of the invention is explained in the following by means of a configuration example. As mentioned, the pertinent drawing illustrates a figure with an in... Read More
Inventors: Werbus, Volker;, Assignee: Alcatel Alsthom Compagnie Generale d'Electricite (Paris, FR) |
Portable device for facilitating the performance of radiographic procedures
The present invention is specifically directed to overcoming the above enumerated problems in a novel and simple manner. According to the invention, a portable device is provided for facilitating the ... Read More
Inventors: Vogl, Thomas;, Assignee: |
Antenna array configuration
I claim: 1. A cellular radio base station arrangement comprising a phased array of antenna receive elements and a phased array of antenna transmit elements, each array having controllable weighting fo... Read More
Inventors: Smith, Martin Stevens;, Assignee: Nortel Networks Corporation (Richardson, TX) |
Mobile communication system including radio set having detecting registered position information function
It is an object of the present invention to provide a mobile communication system including a radio set provided with a registered position information detection function whereby the aforesaid problem... Read More
Inventors: Nagata, Kimitaka;, Assignee: NEC Corporation (Tokyo, JP) |
Cell control system for cellular, digital mobile communication system
It is an object of the present invention to provide a new and improved control system for distribution of signals from a base station controller between the base stations of a cell and for combining t... Read More
Inventors: Schmidt, Werner; Vary, Peter; Papen, Wolfgang; Zurbes, Stefan;, Assignee: Detecon Deutsche Telepost Consulting GmbH (DE) |
Channel selecting system for use in a multi-channel mobile communication system
Accordingly, an object of the present invention is to provide a channel selecting system for a multi-channel mobile communication system, which can minimize time required for selecting the best channe... Read More
Inventors: Otsuka, Shigeru; Kai, Tomokazu;, Assignee: Nippon Electric Co., Ltd. (Tokyo, JP) |
Touch-Tone encoder unit for mobile radio transmitter
OF THE ILLUSTRATED EMBODIMENT The encoder system shown in FIG. 1, includes a keyboard 10. Keyboard 10 may be a typical Touch-Tone keyboard which includes a multiplicity of appropriately identified pu... Read More
Inventors: Oliveira, II, Joseph P.;, Assignee: |
Computer graphics apparatus having an improved walk-through function
The first object of the present invention is to provide an improved walk-through function in order to obtain a viewline which is close to an actual viewline in computer graphics by providing various w... Read More
Inventors: Suzuki, Kaori; Kasai, Satoshi; Kamada, Hiroshi; Hirota, Katsuhiko; Tada, Atsuko; Yumoto, Asako; Kobayashi, Kiyoshi;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Vehicular steering wheel telephone apparatus
In view of the foregoing disadvantages inherent in the known types of vehicle telephone apparatus now present in the prior art, the present invention provides an vehicle telephone apparatus wherein th... Read More
Inventors: Martin, Gary;, Assignee: |
Process for recovery of sulfur from acid gases
The present invention arises in part from the discovery that reaction (1) is not the mechanism by which elemental sulfur is formed, according to experimental investigations into the behavior of mixtur... Read More
Inventors: Towler, Gavin P.; Lynn, Scott;, Assignee: The Regents of the Unviversity of California (Berkeley, CA) |
Method an apparatus in a radio communication system for assigning and utilizing sets of transmitters
An aspect of the present invention is method in a radio communication system for forming and utilizing sets of base station transmitters selected from a plurality of base station transmitters to provi... Read More
Inventors: Goldberg, Steven Jeffrey; Hill, Thomas Casey;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Echo canceler
This task or object is achieved via the features set forth in the appended claims. Specifically, one embodiment of this invention pertains to a circuit arrangement comprised of a send path carrying a ... Read More
Inventors: Gysel, Peter; Wenger, Bruno; Kalin, August; Muller, Daniel;, Assignee: Siemens Schweiz AG (Zurich, CH) |
Apparatus for the transmission and reception of data
The present invention was conceived to solve the problems that have been inherent with traditional technology. Its technological highlight is that it will enable an apparatus for transmission and rece... Read More
Inventors: Hiramatsu, Shoji;, Assignee: Aisin Seiki Kabushiki Kaisha (Kariya City, JP) |
Alarm system for an automobile
OF THE DRAWING Turning now, in detail, to the drawing, FIG. 1 is a block diagram showing the overall construction of the present invention. The alarm of the invention is activated when the car is ent... Read More
Inventors: Waterman, Serville;, Assignee: |
Video telephone
Accordingly, it is an object of the present invention to provide an improved video telephone which can obviate the defects encountered with the prior art. It is another object of the present invention... Read More
Inventors: Araki, Shoji; Takano, Yukinobu; Yamamoto, Tadahisa; Uchiumi, Noriyuki;, Assignee: Nippon Telegraph and Telephone Corporation (Tokyo, JP); Sony Corporation (Tokyo, JP) |
Cascade echo canceler arrangement
FIG. 1 shows in simplified block diagram form details of a prior echo canceler arrangement in which the invention may be employed. Modem 100 of FIG. 1 receives a stream of binary data from data sourc... Read More
Inventors: Flanagan, Richard Thomas; Werner, Jean-Jacques;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Adaptive filter
It is an object of the present invention to provide an adaptive filter having a small hardware scale and a high convergence speed. It is another object of the present invention to provide an adaptive ... Read More
Inventors: Hasegawa, Atsushi;, Assignee: NEC Corporation (Tokyo, JP) |
Echo canceler having plurality of adaptive filter circuits
It is an object of the present invention to provide an echo canceler that can stably provide excellent characteristics of tap coefficients without degrading the characteristics of detecting double-tal... Read More
Inventors: Muraoka, Shinya;, Assignee: NEC Corporation (Tokyo, JP) |
Method and apparatus for cancelling echo originating from a mobile terminal
In accordance with the present invention, a novel echo canceller and method of echo cancellation are provided whereby echoes originating from a digital mobile phone are controlled by the echo cancelle... Read More
Inventors: Trump, Tonu;, Assignee: Telefonaktiebolaget LM Ericsson (publ) (SE) |
DC linear power amplifier
Accordingly, it is the object of the present invention to provide a reliable, economical and small power amplifier. It is another object of the present invention to provide equal power sharing by util... Read More
Inventors: Porter, III, Edwin C.;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Biasing and drive circuitry for quasi-linear transistor amplifiers
What is claimed is: 1. In an amplifier including a first transistor means with base and emitter and collector electrodes; means connecting said first transistor means for operation in a first common-e... Read More
Inventors: Kaplan, Leonard A.;, Assignee: RCA Corporation (New York, NY) |
Telephone line interface
What is claimed is: 1. A telephone line interface for receiving and transmitting audio analog signals between a switch and a subscriber telephone comprising a two wire terminal for receiving and for t... Read More
Inventors: Lusignan, Bruce B.; Najafi, Hamid;, Assignee: The Board of Trustees of the Leland Stanford, Junior University (Palo Alto, CA) |
Stabilizing arrangement for a stepping motor
The present invention is a stabilizing arrangement for a stepping motor, illustratively a multiphase stepping motor. The stepping motor includes a sequence generator which generates phase currents to ... Read More
Inventors: Boillat, Pierre;, Assignee: Sodeco-Saida AG (Murten, CH) |
Pulse width modulator control circuit
In accordance with the preferred embodiment of the present invention, a circuit is presented which generates control signals used in pulse width modulation. A square wave signal generator generates a ... Read More
Inventors: Kung, David;, Assignee: Power Integrations, Inc. (Mountain View, CA) |
Ring Tones 
