1
Mark Emery, Zaman Gulzar: Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services. Communication Systems Corporation, Gregory G Hendricks, March 10, 1998: US05727057 (436 worldwide citation)

A method and system implementation for combining and accessing telephony numbering and geographical position so direct access to information, services and goods may be invoked through the use of various telephone networks. The existing telephone networks throughout North America and the world use st ...


2
Rene LeBlanc, Thomas J Perry: Method for rapid development of software systems. Communication Systems Corporation, Gregory G Hendricks, July 30, 1996: US05542070 (157 worldwide citation)

Two major Forth extensions provide high-level support for building rapid prototypes for systems. These extensions form distinct language vocabularies available in the Forth environment. One is a Finite State Machine Language, named FSML, and the other is an object oriented language, named 200L. Usin ...


3
Ramachendra Prahlada Batni, Axel Michael Christiansen, Baijun Zhao: Capturing and modifying of mobile subscriber information. Communication Systems Corporation, David J Zwick, December 3, 2002: US06490450 (146 worldwide citation)

A system and method for capturing and modifying roaming mobile subscriber information such as Serving MSCID, cell and sector location information, original dialed digits, subscriber profile and return address point code in support of service applications, such as wireless prepaid service for roaming ...


4
Ramachendra Prahlada Batni, Axel Michael Christiansen: System for providing enhanced services in cellular radio telecommunication systems using #CCSC based triggers. Communication Systems Corporation, Gregory G Hendricks, David J Zwick, April 27, 1999: US05898917 (138 worldwide citation)

Enhanced services are accessed from an enhanced services network element of a cellular radio telecommunications system using a cellular carrier specific code (#CCSC) string based office-level trigger and IS-41 messaging protocol message types. The invention takes advantage of the #CCSC standard to d ...


5
Robert E Renner, Kuang Cheng Hu, Han Kem, John S Young: Simultaneous voice and data system using the existing two-wire inter-face. Communication Systems Corporation, Anthony J Baca, May 25, 1993: US05214650 (132 worldwide citation)

A data adapter for simultaneously providing a low speed channel, a first high speed data channel, and a second high speed channel over a two wire connection; the two wire connection connects the data adapter to a telephone system. The data adapter includes a line transceiver connected to the two-wir ...


6
James Hoff, Randall L Brown, Thomas J Perry, Satrio P Mualim, Kevin B Plyler, John W Spenik, James B Southway, Frank Sciabica, Scott J Baer: Wide area network system providing secure transmission. Communication Systems Corporation, David J Zwick, November 2, 1999: US05978373 (103 worldwide citation)

A system that provides secure transmission of data between a subscriber's PC and an online service provider (OLS) over an Ethernet WAN. The system includes a remote transceiver unit located at a subscriber site and connected to the subscriber's PC; a central transceiver unit located at a telephone c ...


7
Chieh Chang, Man S Lee: Switched capacitor DSB modulator/demodulator. GTE Communication Systems Corporation, Russell A Cannon, April 9, 1985: US04510467 (87 worldwide citation)

An integrated single-sideband modulator comprises six integrated capacitors C1-C6 and first switch means alternately connecting C1 and C2 as feedback capacitors across a differential input operational amplifier A1. The amplifier has a virtual ground potential on its inverting input terminal for caus ...


8
Lalit O Patel, Michael Warner, Absar Naseer: Enhanced high voltage line interface circuit. Communication Systems Corporation, Gregory G Hendricks, December 29, 1992: US05175764 (79 worldwide citation)

An enhanced high voltage line interface circuit for a digital switching system over which a connection is established between a digital switching system and a subscriber instrument via a subscriber loop. The high voltage line interface circuit includes in combination circuits that provide power to t ...


9
Ernest E Soderlund: Universal test circuit for integrated circuit packages. GTE Communication Systems Corporation, Gregory G Hendricks, August 4, 1987: US04684884 (74 worldwide citation)

An integrated circuit which facilitates measurement of various integrated circuit packaging parameters, including atmospheric moisture content, impurity content, water vapor transmission rate of encapsulant, corrosion of metallization, temperature, thermal impedance, and strain sensing. This circuit ...


10
Axel Christiansen, Marvin Gene Distel: Method of accessing a SCP in an ISUP network with partial release. Communication Systems Corporation, David J Zwick, June 13, 2000: US06075855 (60 worldwide citation)

A SCP connected to a switch through an ISUP loop-back trunk redirects a dialed call to an intermediate destination. After the intermediate destination releases the call, all circuit segments from the intermediate destination back through and including the inbound (to the MSC) side of the loop-back t ...