AT&T Information Systems, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for AT&T Information Systems, Inc..The latest application filed is for "method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises".
Company Profile
0.167.0
- AT&T Information Systems, Inc. - Morristown NJ
- AT&T Information Systems, Inc. - New York NY
- AT&T Information Systems Inc. - Murray Hill DE
- AT&T Information Systems, Incorporated - Murray Hill NJ
- AT&T Information Systems Inc. - Holmdel NJ
- AT&T Information Systems Inc. - Middletown NJ
- AT&T Information Systems Inc. - Indianapolis IN
- AT&T Information Systems Inc. - Homdel NJ
Patent Activity
| Patent | Date |
|---|---|
| Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises Grant 4,924,492 - Gitlin , et al. May 8, 1 | 1990-05-08 |
| Housing for an infrared signal detector Grant D307,560 - Andrews , et al. May 1, 1 | 1990-05-01 |
| Circuit module housing Grant D306,576 - Hiatt , et al. March 13, 1 | 1990-03-13 |
| Adaptor for surface mount and through-hole components Grant 4,902,237 - Huetson February 20, 1 | 1990-02-20 |
| Extended process for a multiprocessor system Grant 4,901,231 - Bishop , et al. February 13, 1 | 1990-02-13 |
| Data transmission security arrangement for a plurality of data stations sharing access to a communication network Grant 4,901,348 - Nichols , et al. February 13, 1 | 1990-02-13 |
| Computer controlled speakerphone for adapting to a communication line Grant 4,901,346 - Erving February 13, 1 | 1990-02-13 |
| Communication terminal telephone directory with dynamic directory tabbing Grant 4,899,377 - Bauer , et al. February 6, 1 | 1990-02-06 |
| Adaptive environment control system Grant 4,897,798 - Cler January 30, 1 | 1990-01-30 |
| Arrangement for providing a call-connection service Grant 4,896,350 - Bicknell , et al. January 23, 1 | 1990-01-23 |
| Communications workstation Grant D305,537 - Gilmore , et al. January 16, 1 | 1990-01-16 |
| Communications workstation Grant D305,423 - Gilmore , et al. January 9, 1 | 1990-01-09 |
| Self calibration arrangement for a voice switched speakerphone Grant 4,887,288 - Erving December 12, 1 | 1989-12-12 |
| Data communication arrangement with embedded matrix switch Grant 4,885,741 - Douskalis December 5, 1 | 1989-12-05 |
| Data transmission with improved message format Grant 4,885,749 - Golden December 5, 1 | 1989-12-05 |
| Rotatable storage compartment for batteries and the like Grant 4,885,219 - Miller December 5, 1 | 1989-12-05 |
| Security file system and method for securing data in a portable data carrier Grant 4,882,474 - Anderl , et al. November 21, 1 | 1989-11-21 |
| Manchester code receiver Grant 4,881,059 - Saltzberg November 14, 1 | 1989-11-14 |
| Telephone dialer adjunct Grant D304,587 - Danielson , et al. November 14, 1 | 1989-11-14 |
| PBX and adjunct using multi-frequency tones for communication therebetween Grant 4,879,743 - Burke , et al. November 7, 1 | 1989-11-07 |
| Computer display Grant D304,032 - Fine , et al. October 17, 1 | 1989-10-17 |
| Radio communication system having autonomously selected transmission frequencies Grant 4,872,205 - Smith October 3, 1 | 1989-10-03 |
| Alarm transmitter Grant D303,638 - Andrews, Sr. , et al. September 26, 1 | 1989-09-26 |
| Repertory telephone dialer with remote billing capability Grant 4,870,679 - Hanna , et al. September 26, 1 | 1989-09-26 |
| Remote testing of metallic loops with a trans hybrid signal Grant 4,870,675 - Fuller , et al. September 26, 1 | 1989-09-26 |
| Measurement of missed start-up rate and missed message rate Grant 4,868,824 - Golden September 19, 1 | 1989-09-19 |
| Continuously variable digital delay circuit Grant 4,866,647 - Farrow September 12, 1 | 1989-09-12 |
| Wall mounted connecting block Grant 4,865,564 - Denkmann , et al. September 12, 1 | 1989-09-12 |
| Static electric discharge apparatus Grant 4,862,315 - Cubbison, Jr. August 29, 1 | 1989-08-29 |
| Method and apparatus for automatically selecting system commands for display Grant 4,862,498 - Reed August 29, 1 | 1989-08-29 |
| Printed circuit card guide Grant 4,861,277 - Bina August 29, 1 | 1989-08-29 |
| Quiet key switch Grant 4,859,820 - Gotfryd , et al. August 22, 1 | 1989-08-22 |
| Time division multiplex arrangement Grant 4,855,996 - Douskalis August 8, 1 | 1989-08-08 |
| Radiation-coupled daisy chain Grant 4,856,091 - Taska August 8, 1 | 1989-08-08 |
| Communication system distributed processing message delivery system Grant 4,853,956 - Astmann August 1, 1 | 1989-08-01 |
| Computer housing Grant D302,266 - Kelly , et al. July 18, 1 | 1989-07-18 |
| Radio communication system using synchronous frequency hopping transmissions Grant 4,850,036 - Smith July 18, 1 | 1989-07-18 |
| Static electric discharge apparatus with active electrical circuit Grant 4,849,851 - Cubbison, Jr. July 18, 1 | 1989-07-18 |
| Virtual execution of programs on a multiprocessor system Grant 4,849,877 - Bishop , et al. July 18, 1 | 1989-07-18 |
| Phase jitter compensation arrangement using an adaptive IIR filter Grant 4,847,864 - Cupo July 11, 1 | 1989-07-11 |
| Communication system having unified messaging Grant 4,837,798 - Cohen , et al. June 6, 1 | 1989-06-06 |
| Apparatus and technique for timing jitter cancellation in a data receiver Grant 4,831,637 - Lawrence , et al. May 16, 1 | 1989-05-16 |
| Local loop test arrangement in an echo canceller based full duplex modem Grant 4,825,459 - Farrow , et al. April 25, 1 | 1989-04-25 |
| Virtual local area network Grant 4,823,338 - Chan , et al. | 1989-04-18 |
| I/O interface system using plural buffers sized smaller than non-overlapping contiguous computer memory portions dedicated to each buffer Grant 4,821,185 - Esposito April 11, 1 | 1989-04-11 |
| Connecting block construction Grant 4,820,192 - Denkmann , et al. April 11, 1 | 1989-04-11 |
| Improved security system for a portable data carrier Grant 4,816,654 - Anderl , et al. March 28, 1 | 1989-03-28 |
| Compliant overlay for use as an optically-based touch-sensitive screen Grant 4,816,811 - Bogatin , et al. March 28, 1 | 1989-03-28 |
| Security file system for a portable data carrier Grant 4,816,653 - Anderl , et al. March 28, 1 | 1989-03-28 |
| Equalizer-based timing recovery Grant 4,815,103 - Cupo , et al. March 21, 1 | 1989-03-21 |
| Multiprocessor memory management method Grant 4,811,216 - Bishop , et al. March 7, 1 | 1989-03-07 |
| Cellular pager Grant H610 - Focarile , et al. March 7, 1 | 1989-03-07 |
| Multi-channel memory access circuit Grant 4,805,094 - Oye , et al. February 14, 1 | 1989-02-14 |
| Method and apparatus for providing virtual facility communication service Grant 4,802,199 - Lange , et al. January 31, 1 | 1989-01-31 |
| Equalization arrangement Grant 4,800,573 - Cupo January 24, 1 | 1989-01-24 |
| Card reader/writer station for use with a personal memory card using differential data transfer Grant 4,798,322 - Bernstein , et al. January 17, 1 | 1989-01-17 |
| Communication system dynamic conferencer circuit Grant 4,797,877 - Pope , et al. January 10, 1 | 1989-01-10 |
| Communication system having automatic call route selection Grant 4,797,915 - Bowker , et al. January 10, 1 | 1989-01-10 |
| Personal memory card having a contactless interface using differential data transfer Grant 4,795,898 - Bernstein , et al. January 3, 1 | 1989-01-03 |
| Call screening in a public telephone station Grant 4,794,642 - Arbabzadah , et al. December 27, 1 | 1988-12-27 |
| Variable data compression announcement circuit Grant 4,791,660 - Oye , et al. December 13, 1 | 1988-12-13 |
| Telephone line switch apparatus Grant 4,790,008 - Bohannon December 6, 1 | 1988-12-06 |
| Telephone call charge allocation arrangement Grant 4,788,719 - Gupta November 29, 1 | 1988-11-29 |
| Communication system having reconfigurable data terminals Grant 4,788,657 - Douglas , et al. November 29, 1 | 1988-11-29 |
| Workstation with typewriter emulation Grant 4,775,953 - Goettelmann , et al. October 4, 1 | 1988-10-04 |
| Wideband switching system Grant 4,769,833 - Farleigh , et al. September 6, 1 | 1988-09-06 |
| Electrical/lightwave connection arrangement Grant 4,767,181 - McEowen August 30, 1 | 1988-08-30 |
| Optical fiber connector Grant 4,763,978 - Courtney-Pratt , et al. August 16, 1 | 1988-08-16 |
| Terminal based adjunct call manager for a communication system Grant 4,763,353 - Canale , et al. August 9, 1 | 1988-08-09 |
| Method and apparatus for detecting a rate of data transmission Grant 4,761,800 - Lese , et al. August 2, 1 | 1988-08-02 |
| Station number portability Grant 4,754,479 - Bicknell , et al. June 28, 1 | 1988-06-28 |
| Overhead optical scanner Grant D296,328 - Austin , et al. June 21, 1 | 1988-06-21 |
| Base for a computer, computer terminal or similar article Grant D296,329 - Day , et al. June 21, 1 | 1988-06-21 |
| Communication line transient protection Grant 4,751,607 - Smith June 14, 1 | 1988-06-14 |
| Personal computer--as an interface between a telephone station set and a business communication system Grant 4,748,656 - Gibbs , et al. May 31, 1 | 1988-05-31 |
| Dual operating system computer Grant 4,747,040 - Blanset , et al. May 24, 1 | 1988-05-24 |
| Base for computer, computer terminal or similar article Grant D295,748 - Day , et al. May 17, 1 | 1988-05-17 |
| Display context switching arrangement Grant 4,744,048 - Blanset , et al. May 10, 1 | 1988-05-10 |
| Communication apparatus enclosure Grant D295,512 - Becraft , et al. May 3, 1 | 1988-05-03 |
| Automated message chronicling system Grant 4,739,509 - Bourg April 19, 1 | 1988-04-19 |
| Overhead document scanner lighting and scanning apparatus Grant 4,737,857 - Rucci , et al. April 12, 1 | 1988-04-12 |
| Synchronization detection circuit Grant 4,737,971 - Lanzafame , et al. April 12, 1 | 1988-04-12 |
| Base for computer, computer terminal or similar article Grant D294,943 - Day , et al. March 29, 1 | 1988-03-29 |
| System for generating software source code components Grant 4,734,854 - Afshar March 29, 1 | 1988-03-29 |
| Communication equipment cabinet arrangement Grant 4,731,702 - Hiatt , et al. March 15, 1 | 1988-03-15 |
| Combined circuit switch and packet switching system Grant 4,731,785 - Ferenc , et al. March 15, 1 | 1988-03-15 |
| Flow control arrangement for the transmission of data packets to a communication network Grant 4,727,537 - Nichols February 23, 1 | 1988-02-23 |
| Interface circuit for interconnecting circuit switched and packet switched systems Grant 4,723,238 - Isreal , et al. February 2, 1 | 1988-02-02 |
| Adaptive FSK demodulator and threshold detector Grant 4,716,376 - Daudelin December 29, 1 | 1987-12-29 |
| Telephone stand Grant D293,441 - Kowalik , et al. * December 29, 1 | 1987-12-29 |
| Automatic synchronous/asynchronous modem Grant 4,715,044 - Gartner December 22, 1 | 1987-12-22 |
| Technique for decision-directed equalizer train/retrain Grant 4,709,374 - Farrow November 24, 1 | 1987-11-24 |
| Telephone system port communication method and apparatus Grant 4,707,694 - Bauer , et al. November 17, 1 | 1987-11-17 |
| Modular telephone jack Grant 4,699,443 - Goodrich , et al. October 13, 1 | 1987-10-13 |
| Spring contact structure Grant 4,688,875 - O'Connor August 25, 1 | 1987-08-25 |
| Communication system having voice and data capability Grant 4,685,123 - Hsia , et al. August 4, 1 | 1987-08-04 |
| Modular cable interconnection apparatus Grant 4,684,198 - Becraft , et al. August 4, 1 | 1987-08-04 |
| Automatic call coverage for unattended PBX stations Grant 4,682,354 - Vanacore July 21, 1 | 1987-07-21 |
| Echo canceller Grant 4,682,358 - Werner July 21, 1 | 1987-07-21 |
| Communication system for providing business communication features to cellular mobile telecommunication customers Grant 4,680,786 - Baker , et al. July 14, 1 | 1987-07-14 |
| Alternate routing arrangement Grant 4,679,189 - Olson , et al. July 7, 1 | 1987-07-07 |
| Computer display terminal or similar article Grant D290,703 - Day , et al. July 7, 1 | 1987-07-07 |
| Flow control scheme for a switching network Grant 4,677,616 - Franklin June 30, 1 | 1987-06-30 |
| Local area network Grant 4,674,085 - Aranguren , et al. June 16, 1 | 1987-06-16 |
| PBX security system for monitoring security guard tours Grant 4,672,654 - Vanacore June 9, 1 | 1987-06-09 |
| Clock control circuit for phase control Grant 4,672,299 - Grimes , et al. June 9, 1 | 1987-06-09 |
| Time slot polling arrangement for multiple stage time division switch Grant 4,672,604 - Bhatia , et al. June 9, 1 | 1987-06-09 |
| Data set Grant D289,648 - Felix , et al. May 5, 1 | 1987-05-05 |
| Automatic route selection of a private telephone network path on the basis of a public telephone network number Grant 4,661,974 - Bales , et al. April 28, 1 | 1987-04-28 |
| Telephone apparatus housing Grant D289,287 - Aldrich , et al. * April 14, 1 | 1987-04-14 |
| Telephone apparatus housing Grant D289,286 - Aldrich , et al. * April 14, 1 | 1987-04-14 |
| Variable length backplane bus Grant 4,658,333 - Grimes April 14, 1 | 1987-04-14 |
| Network routing arrangement Grant 4,656,658 - King April 7, 1 | 1987-04-07 |
| Switched capacitor coupled line receiver circuit Grant 4,656,661 - Carbrey April 7, 1 | 1987-04-07 |
| Multiphase packet switching system Grant 4,656,627 - Hasley , et al. April 7, 1 | 1987-04-07 |
| Parallel call processing system and method Grant 4,654,845 - Mukerji March 31, 1 | 1987-03-31 |
| Telephone switching system adjunct call processing arrangement Grant 4,653,085 - Chan , et al. March 24, 1 | 1987-03-24 |
| Phase adjustment system Grant 4,651,103 - Grimes March 17, 1 | 1987-03-17 |
| Inband coding of secondary data Grant 4,651,320 - Thapar March 17, 1 | 1987-03-17 |
| Voltage divider circuit Grant 4,649,468 - Cubbison, Jr. March 10, 1 | 1987-03-10 |
| Integrated message service system Grant 4,646,346 - Emerson , et al. February 24, 1 | 1987-02-24 |
| Ringing signal reformatting circuit Grant 4,646,347 - Liu February 24, 1 | 1987-02-24 |
| Inband coding of secondary data Grant 4,644,537 - Gitlin , et al. February 17, 1 | 1987-02-17 |
| Packet switch trunk circuit queueing arrangement Grant 4,644,533 - Braff , et al. February 17, 1 | 1987-02-17 |
| Self-oscillating switching regulator having real-time current adjustment control Grant 4,642,550 - Illuzzi , et al. February 10, 1 | 1987-02-10 |
| Wire and cable organizing sleeve Grant 4,640,032 - Lewis February 3, 1 | 1987-02-03 |
| Speech response interface circuit Grant 4,640,992 - Rose February 3, 1 | 1987-02-03 |
| Station set directory assistance arrangement Grant 4,633,041 - Boivie , et al. December 30, 1 | 1986-12-30 |
| Switching control for multiple stage time division switch Grant 4,633,461 - Banton , et al. December 30, 1 | 1986-12-30 |
| Communication system having dynamically assigned station set buttons Grant 4,631,364 - Coyne , et al. December 23, 1 | 1986-12-23 |
| Distributed packet switching system Grant 4,631,534 - Franklin , et al. December 23, 1 | 1986-12-23 |
| Communication system administration method and circuitry Grant 4,629,832 - Carson , et al. December 16, 1 | 1986-12-16 |
| Store and forward facility for use in multiprocessing environment Grant 4,630,196 - Bednar, Jr. , et al. December 16, 1 | 1986-12-16 |
| Communication terminal housing Grant D286,533 - Felix , et al. November 4, 1 | 1986-11-04 |
| Telephone stand Grant D286,285 - Danielson , et al. October 21, 1 | 1986-10-21 |
| Interface testing of software systems Grant 4,617,663 - Lake , et al. October 14, 1 | 1986-10-14 |
| Equalization of modulated data signals utilizing tentative and final decisions and replication of non-linear channel distortion Grant 4,615,038 - Lim, deceased , et al. September 30, 1 | 1986-09-30 |
| Communication equipment cover Grant D285,795 - Chandler , et al. September 23, 1 | 1986-09-23 |
| Image scanning arrangement Grant 4,613,987 - Keverian September 23, 1 | 1986-09-23 |
| Integrated message service system Grant 4,612,416 - Emerson , et al. September 16, 1 | 1986-09-16 |
| Keyboard Grant D285,561 - Mack , et al. September 9, 1 | 1986-09-09 |
| Communication system having abbreviated dialing access Grant 4,600,812 - Gerlits July 15, 1 | 1986-07-15 |
| Full duplex data set with half-duplex emulation Grant 4,599,719 - Breen , et al. July 8, 1 | 1986-07-08 |
| Housing for communication equipment Grant D284,280 - Mack, Jr. , et al. June 17, 1 | 1986-06-17 |
| Network protocol for integrating synchronous and asynchronous traffic on a common serial data bus Grant 4,593,282 - Acampora , et al. June 3, 1 | 1986-06-03 |
| Apparatus and method for checking time slot integrity of a switching system Grant 4,592,044 - Ferenc May 27, 1 | 1986-05-27 |
| Controllable risk parameter for device control system Grant 4,583,182 - Breddan * April 15, 1 | 1986-04-15 |
| Message waiting alerting method Grant 4,582,959 - Myslinski , et al. April 15, 1 | 1986-04-15 |
| Programmable multiple type data set Grant 4,578,796 - Charalambous , et al. March 25, 1 | 1986-03-25 |
| Adaptive modular telephone cradle for a communication terminal Grant 4,577,068 - Kelly , et al. March 18, 1 | 1986-03-18 |
| Telecommunications system console or similar article Grant D282,358 - Campbell , et al. January 28, 1 | 1986-01-28 |
| Call transfer method and circuitry Grant 4,560,837 - Carson , et al. December 24, 1 | 1985-12-24 |
| Liquid crystal display with electrode shielding another electrode Grant 4,547,042 - Ngo October 15, 1 | 1985-10-15 |
| Method and apparatus for establishing telephone calling costs Grant 4,538,030 - Fossett , et al. August 27, 1 | 1985-08-27 |
| Single parity bit generation circuit Grant 4,538,271 - Kohs August 27, 1 | 1985-08-27 |
| Digital terminal keyboard dialing Grant 4,535,198 - Squicciarini August 13, 1 | 1985-08-13 |
| Data call transfer preindication Grant 4,535,199 - Zink August 13, 1 | 1985-08-13 |
| Plural communication channel protocol support systems Grant 4,534,023 - Peck , et al. August 6, 1 | 1985-08-06 |
| Data call transfer Grant 4,532,377 - Zink July 30, 1 | 1985-07-30 |
| Precision control frequency synthesizer having an unstable, variable frequency input signal Grant 4,528,521 - Grimes July 9, 1 | 1985-07-09 |
| Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets Grant 4,520,490 - Wei May 28, 1 | 1985-05-28 |
| Video monitor Grant D279,010 - Ceradelli , et al. May 28, 1 | 1985-05-28 |
| Control channel interface circuit Grant 4,511,969 - Koenig , et al. April 16, 1 | 1985-04-16 |
| Digital communication station signaling control Grant 4,512,016 - Fulcomer, Jr. , et al. April 16, 1 | 1985-04-16 |
| Method and circuitry for encoding telephone ringing signals Grant 4,508,937 - Burger , et al. April 2, 1 | 1985-04-02 |
| Housing for a telephone station handset Grant D277,666 - Bhat , et al. February 19, 1 | 1985-02-19 |
| Speakerphone control circuit Grant 4,490,582 - Munson December 25, 1 | 1984-12-25 |
Company Registrations
| NCAGE Code | 0CD98 | AT AND T INFORMATION SYSTEMS INC |
| NCAGE Code | 8Z071 | AT AND T INFORMATION SYSTEMS INC |
| NCAGE Code | 5Z197 | AT AND T INFORMATION SYSTEMS INC |
| CAGE Code | 0CD98 | AT AND T INFORMATION SYSTEMS INC |
| CAGE Code | 8Z071 | AT AND T INFORMATION SYSTEMS INC |
| CAGE Code | 5Z197 | AT AND T INFORMATION SYSTEMS INC |
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