Fast deploy, retrievable and reusable airborne counter-measure system
In order to change the entire tactical strategy in which decoys are deployed, in the subject system, decoys are deployed at the time when a threat is sensed, with the rapid deployment method described... Read More
Inventors: Carlson, Mark A.; Jordan, James J.; Russotti, John;, Assignee: BAE Systems Information and Electronic Systems Integration, Inc. (Nashua, NH) |
Method and apparatus for detecting, locating, and identifying microwave transmitters and receivers at distant locations
That which is claimed: 1. A method of detecting, locating, and identifying at least one of microwave transmitters or microwave receivers at a distant location, comprising: transmitting a first electro... Read More
Inventors: Holly, Sandor;, Assignee: The Boeing Company (Chicago, IL) |
Mobile data terminal with external antenna
OF PREFERRED EMBODIMENT With reference now to the figures and in particular with reference to FIG. 1, there is depicted a partially schematic pictorial representation of a distributed data processing... Read More
Inventors: Jenness, Robert V.; Moore, Victor S.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method and apparatus to locally block incoming selected calls
OF THE PREFERRED EMBODIMENT While the specification concludes with claims defining the features of the invention that are regarded as novel, it is believed that the invention will be better understoo... Read More
Inventors: Pinder, Ellis Arthur; Wieczorek, Alfred B.; Korneluk, Jose E.; Seekins, David S.;, Assignee: Motorola, Inc. (Shaumburg, IL) |
Method and apparatus for implementing customer group functionality in a wireless environment
To achieve the foregoing and in accordance with the purposes of the present invention, a method and system for implementing customer group functionality in a wireless environment are provided. The pre... Read More
Inventors: Franks, Gary Steven;, Assignee: Nortel Networks Limited (St. Laurent, CA) |
Data transmission method, transmitter, and receiver
What is claimed is: 1. A data transmission method in a CDMA cellular radio system comprising in each cell at least one base station and a number of subscriber terminals, wherein the method comprises s... Read More
Inventors: Hottinen, Ari;, Assignee: Nokia Mobile Phones Ltd. (Salo, FI) |
Receiver and receiving method simplifying the interference cancellation of multi-user detection in a direct sequence code division multiple access (DS-CDMA) telecommunication system
An object of the present invention is to implement a solution in which it is avoided to generate a wideband signal and to reverse a cross correlation matrix of spreading codes and thus simplifying the... Read More
Inventors: Jokinen, Sami;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Learning support message distribution program
Accordingly, it is an objective of the invention to provide a learning support message distribution program which analyzes learning information of a learner, prepares a support message having contents... Read More
Inventors: Uchimura, Kazuko; Hayashi, Kinya; Imamura, Kouichi;, Assignee: Pastel Labo. Co., Ltd. (Ishikawa Pref, JP); Ishikawa Pref (JP) |
Methods and apparatus for assigning frequencies in a cellular network
An embodiment of the present invention is directed to a method for assigning frequencies to a plurality of cells in a cellular network. The method includes a step of generating a difficulty factor for... Read More
Inventors: Boyer, Pete A.; Vicharelli, Pablo A.; Jennison, Alan B.;, Assignee: GTE Laboratories Incorporated (Waltham, MA); GTE Mobilnet Service Corp. (Atlanta, GA) |
Method of preventing cell phone use while vehicle is in motion
In a first embodiment the present invention provides a method for preventing a driver and/or operator of a motor vehicle from using a cellular telephone while the motor vehicle is in motion. The inven... Read More
Inventors: Oyaski, Michael F.;, Assignee: |
System and method for multipoint distribution of satellite digital audio radio service
The need in the art is addressed by the satellite digital audio radio service multipoint distribution system and method of the present invention. Generally, the inventive system comprises a first arra... Read More
Inventors: Marko, Paul D.; Wadin, Craig;, Assignee: XM Satellite Radio, Inc. (Washington, DC) |
Digital radio link system and radio link terminal
The object of the present invention is to avoid the above-described disadvantages and at the same time provide a radio link terminal and radio link system which can be realized as economically as poss... Read More
Inventors: Makinen, Jarmo;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Methods and systems for allocating a cellular communications channel for communication between a cellular terminal and a telephone base station using received signal strength measurements
It is therefore an object of the present invention to provide methods and systems for allocating a cellular communications channel for communication between a cellular terminal and a telephone base st... Read More
Inventors: Haartsen, Jacobus Cornelius; Dent, Paul W.;, Assignee: Ericsson Inc. (Triangle Park, NC) |
Controlled available bit rate service in an ATM switch
It is therefore an object of the invention to provide an ATM switch with means for controlling the flow of ABR cells through the switch. It is also an object of the invention to provide an ATM switch ... Read More
Inventors: Jones, Trevor;, Assignee: Ahead Communications Systems, Inc. (Middlebury, CT) |
Monitoring tag with removal detection
According to one embodiment of the present invention, a tag is provided for being secured near a surface of an object to be monitored for use in determining whether the object is physically within an ... Read More
Inventors: McAuley, John M.; Field, Joseph;, Assignee: Secure Care Products, Inc. (Boscawen, NH) |
Speech communication apparatus having an echo canceler
We claim: 1. A speech communication apparatus, comprising: transceiver means for transmitting and receiving a speech signal; loudspeaker means for outputting a speech signal received by said transceiv... Read More
Inventors: Umemoto, Yuji; Otsuka, Koki;, Assignee: Kabushiki Kaisha Toshiba (JP) |
Method of and device for echo cancellation
It is an object of the invention to provide an echo cancelation method and device for a full duplex loudspeaking telephone, which provides substantially automatic adjustment of the ratio between the l... Read More
Inventors: Armbruster, Werner;, Assignee: U S Philips Corporation (New York, NY) |
Acoustical echo canceller having an adaptive filter with passage into the frequency domain
It is an object of the invention to provide frequency echo canceller that is improved from the point of view of speed of adaptation, while nevertheless presenting little transmission delay and improvi... Read More
Inventors: Boudy, Jerome; Capman, Fran.cedilla.ois;, Assignee: Matra Communications (FR) |
Method and apparatus for equallization in an asymmetric digital aubscriber line communications system
OF THE DRAWINGS Generally, the present invention provides an adaptive equalizer in an ADSL system that reduces the number of calculations required for updating equalizer coefficients. The equalizer r... Read More
Inventors: Johnson, Terence L.; Higashi, Albert H.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for inhibiting echo in a channel of a communication system
An object of this invention is to provide an improved method and apparatus for performing echo cancellation. Another object of the invention is to provide a method and apparatus for performing echo ca... Read More
Inventors: Dal Farra, David; Ding, Heping;, Assignee: Nortel Networks Corporation (Montreal, CA) |
Full-duplex speakerphone circuit including a control interface
In accordance with the present invention, a full-duplex communication circuit including a control interface is provided for full-duplex, hands-free communication. The communication circuit includes a ... Read More
Inventors: Hemkumar, Nariankadu D.; Wilson, Brent W.;, Assignee: Crystal Semiconductor Corporation (Austin, TX) |
Frequency domain stereophonic acoustic echo canceller utilizing non-linear transformations
The invention is a multiple channel teleconferencing system employing a stereophonic acoustic echo canceller that exploits the coherence between multiple channels. In accordance with the invention a s... Read More
Inventors: Benesty, Jacob;, Assignee: Agere Systems, Inc. (Allentown, PA) |
Ground control of forward link assignments
In one preferred form, the present invention provides a communications system and method that transmits forward link transponder assignments from a ground station to a mobile platform, such as an airc... Read More
Inventors: Parkman, David S.;, Assignee: The Boeing Company (Chicago, IL) |
Gain-coupled DFB laser with index coupling compensation
It is an object of the present invention to provide a high performance DFB lasing device. It is a further object of the present invention to provide a purely gain coupled DFB laser demonstrating effic... Read More
Inventors: Makino, Toshi; Li, Guo P.;, Assignee: Northern Telecom Limited (Montreal, CA) |
Spread spectrum long loop receiver
The disadvantages of the prior art are obviated by a Long Loop GPS receiver utilizing a last IF frequency equal to one-half of the PRN code repetition rate. Local oscillator leakage signals when corre... Read More
Inventors: Phillips, Fred W.; Mahoney, Kelly L.; Zavada, Edmund S.;, Assignee: Sperry Marine Inc. (Charlottesville, VA) |
Method and apparatus for noise burst detection in signal processors
OF PREFERRED EMBODIMENT The method and apparatus of the invention for noise burst detection is based on the zero-crossing rate (ZCR) of the received signal. The zero-crossing rate is defined as the n... Read More
Inventors: Hsieh, Chau-Kai; Chen, Hsin-Mei;, Assignee: Windbond Electronics Corp. (Hsinchu, TW) |
Method and apparatus for measurement processing of satellite positioning system (SPS) signals
A method and apparatus for measurement processing of SPS signals is disclosed. In one embodiment of the present invention, a plurality of GPS signals from a corresponding plurality of GPS satellites a... Read More
Inventors: Sheynblat, Leonid; Krasner, Norman F.;, Assignee: Snaptrack Incorporated (San Diego, CA) |
Methods, modems and computer program products for identification of a modem type and adjustment of a communication configuration based on modem type
It is an object of the present invention to provide modems which may be able to identify the type of a connected modem during startup procedures. It is a further object of the present invention to pro... Read More
Inventors: Abdelilah, Youssef; Davis, Gordon Taylor; Dholakia, Ajay; Hwang, Dongming; Neeser, Fredy D.; Schule, Robert John; Ware, Malcolm Scott; Ye, Hua;, Assignee: International Business Machines Corporation (Armonk, NY) |
Blossom/wilt for dynamic reallocation in a distributed fiber system
Briefly, the present invention is a technique for handling changes in demand over short periods of time in a is wireless communication system. An optical fiber or other available broadband distributio... Read More
Inventors: Sabat, Jr., John;, Assignee: Transcept, Inc. (Manchester, NH) |
Linear power amplifier with distortion detection
OF THE DRAWINGS The present invention provides, among other things, a power amplifier that linearly amplifies noise-like multi-carrier signals over a wide range of power levels. The present invention... Read More
Inventors: Buer, Kenneth Vern; Corman, David Warren; Agar, Jr., Bill Tabano;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Telecommunications 
