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[미국특허] Programmable multiple type data set 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/38
  • H04L-005/16
  • H04L-027/10
  • H04L-027/18
출원번호 US-0548340 (1983-11-03)
발명자 / 주소
  • Charalambous Salomi T. (Lincroft NJ) Horvath Mark P. (Lincroft NJ) House Cathy P. (Alden NY) Iapicco Jeffrey A. (Lincroft NJ) Lue Paul D. (Freehold NJ) Verma Shiv P. (Cedar Knoll NJ)
출원인 / 주소
  • Bell Telephone Laboratories, Incorporated (Murray Hill NJ 02) AT&T Information Systems Inc. (Holmdel NJ 02)
인용정보 피인용 횟수 : 83  인용 특허 : 4

초록

A digital processor based voiceband modem that provides computers and terminals access to telephone lines and performs line control functions to originate, answer and terminate data calls in addition to converting baseband signals to voiceband and voiceband signals to baseband. The modem utilizes a

대표청구항

A data modem comprising: signal processing means responsive to selected ones of a plurality of sets of instructions and to signals applied to said signal processing means for executing corresponding ones of a plurality of signal converting algorithms appropriate for alternative ones of data modem ty

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

  1. Walsh ; Dale M. ; Nordling ; Karl I., Digital modem.
  2. Sherman James B. (Huntsville AL), Microprocessor data modem.
  3. Jones ; Jr. Gardner D. (Raleigh NC), Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation.
  4. Sherman David N. (Middletown NJ) Verma Shiv P. (Lakewood NJ), Multiport programmable digital data set.

이 특허를 인용한 특허 (83) 인용/피인용 타임라인 분석

  1. Sainton Joseph B. ; Leedom ; Jr. Charles M. ; Robinson Eric J., Adaptive omni-modal radio apparatus and methods.
  2. Sainton Joseph B. ; Leedom ; Jr. Charles M. ; Robinson Eric J., Adaptive omni-modal radio apparatus and methods.
  3. Sainton, Joseph B.; Leedom, Jr., Charles M.; Robinson, Eric J., Adaptive omni-modal radio apparatus and methods.
  4. Sainton,Joseph B.; Leedom, Jr.,Charles M.; Robinson,Eric J., Adaptive omni-modal radio apparatus and methods.
  5. Hill Shannon Q. ; Lawler Christopher P., Apparatus and method for processing data frames in an internetworking device.
  6. Green Douglas E. ; Jones Kenneth D. ; Peralta Rick ; Voellmann Frank O. ; Osler Bruce ; Grummer Grant, Apparatus and method for processing multiple telephone calls.
  7. Sainton Joseph B., Apparatus and methods for networking omni-modal radio devices.
  8. Sainton, Joseph B.; Leedom, Jr., Charles M.; Robinson, Eric J., Apparatus and methods for networking omni-modal radio devices.
  9. Sainton, Joseph B.; Leedom, Jr., Charles M.; Robinson, Eric J., Apparatus and methods for networking omni-modal radio devices.
  10. Sainton,Joseph B.; Robinson,Eric J.; Leedom, Jr.,Charles M., Apparatus and methods for networking omni-modal radio devices.
  11. Gerald A. Reine ; Leo A. Goyette, Application programming interface for modem and ISDN processing.
  12. Reine Gerald A. ; Goyette Leo A., Application programming interface for modem and ISDN processing.
  13. Reine,Gerald A.; Goyette,Leo A., Application programming interface for modem and ISDN processing.
  14. Dowling, Eric Morgan; Anastasi, Mark Nicholas, Application-layer evaluation of communications received by a mobile device.
  15. O'Sullivan,Harry M., Cellular telephone data communication system and method.
  16. Kerner, Yair; Shalem, Iddit; Olafsson, Sverrir, Communication on hold.
  17. Raasch, Charles F., Communication on hold notifier.
  18. Hawkins Steve Keith ; Whitney Bruce Raymond, Communications system using open architecture bus lines.
  19. Amundson Anthony P. (Holliston MA) Melhorn Nathan (Framingham MA), Data telecommunications system and method with universal link establishment.
  20. Youssef Abdelilah ; Gordon Taylor Davis ; Jeffrey Haskell Derby ; Ajay Dholakia CH; Evangelos Stavros Eleftheriou CH; Dongming Hwang ; Fredy D. Neeser CH; Malcolm Scott Ware ; Hua Ye, Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto.
  21. Muntz, Gary S., Device and method for network communications and diagnostics.
  22. Olafsson, Sverrir, Error correction and compression parameter exchange during modem training phase.
  23. Shung Kevin (Taipei TWX), Fax machine equipped for simultaneous transmission and reception via two telephone lines.
  24. Giorgio Paul J. (Providence RI), High speed modem.
  25. Giorgio Paul J. (Providence RI), High throughput data communication system.
  26. Van Seters Stephen L. (Stow MA) Lawler Christopher P. (Wellesley MA) Ready David C. (Sudbury MA), Internetworking device with enhanced packet header translation and memory.
  27. Abdelilah, Youssef; Davis, Gordon Taylor; Derby, Jeffrey Haskell; Dholakia, Ajay; Eleftheriou, Evangelos Stavros; Hwang, Dongming; Neeser, Fredy D.; Ware, Malcolm Scott; Ye, Hua, MODEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SELECTING AN OPTIMUM DATA RATE USING ERROR SIGNALS REPRESENTING THE DIFFERENCE BETWEEN THE OUTPUT OF AN EQUALIZER AND THE OUTPUT OF A SLICER OR DETE.
  28. Olafsson, Sverrir; Chu, Keith; Beadle, Burk, Method and apparatus for fast V.90 modem startup.
  29. Olafsson, Sverrir; Chu, Keith; Beadle, Burk, Method and apparatus for fast V.90 modem startup.
  30. Olafsson,Sverrir; Chu,Keith; Beadle,Burk, Method and apparatus for fast V.90 modem startup.
  31. Olafsson,Sverrir; Chu,Keith; Beadle,Burk, Method and apparatus for fast V.90 modem startup.
  32. Van Seters Stephen L. ; Hauser Stephen A. ; Sankey Mark A. ; Lawler Christopher P., Method and apparatus for internetworking buffer management.
  33. Van Seters Stephen L. ; Hauser Stephen A. ; Sankey Mark A. ; Lawler Christopher P., Method and apparatus for internetworking buffer management.
  34. Olafsson, Sverrir; Beadle, Burk, Method and apparatus for quick modem reconnect.
  35. Olafsson,Sverrir; Beadle,Burk, Method and apparatus for quick modem reconnect.
  36. Olafsson,Sverrir; Beadle,Burk, Method and apparatus for quick modern reconnect.
  37. Lawler Christopher P. ; Ready David C., Method and apparatus for the concurrent reception and transmission of packets in a communications internetworking devic.
  38. Thadasina, Nivedan; Csapo, John; Gilliland, Paul, Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network.
  39. O\Sullivan Harry M. (Red Oak TX), Methods and apparatus for controlling data transmission using radio devices.
  40. Davis, Gordon Taylor; Hwang, Dongming; Ware, Malcolm Scott; Ye, Hua, Methods, systems and computer program products establishing a communication configuration for a modem connection to compensate for echo noise.
  41. Hwang, Dongming; Schule, Robert John; Ware, Malcolm Scott; Ye, Hua, Methods, systems and computer program products for carrier drop detection using a variable threshold.
  42. Abdelilah, Youssef; Davis, Gordon Taylor; Derby, Jeffrey Haskell; Dholakia, Ajay; Granholm, Michelle Chan; Hwang, Dongming; Neeser, Fredy D.; Schule, Robert John; Ware, Malcolm Scott; Ye, Hua; Young,, Methods, systems and computer program products for monitoring performance of a modem during a connection.
  43. Osler Bruce P. ; Goyette Leo A., Modem command and data interface.
  44. Olafsson, Sverrir; Webster, Andrew; Borden, Craig E.; Raasch, Charles F.; Doshi, Nimesh; Beadle, Burk; Otten, Robert T., Modem on hold.
  45. Olafsson, Sverrir; Webster, Andrew; Borden, Craig E.; Raasch, Charles F.; Doshi, Nimesh; Beadle, Burk; Otten, Robert T., Modem with hold and quick connect functionality.
  46. Grummer Grant ; Osler Bruce ; Voellmann Frank O. ; Clifford Kelly ; Green Douglas E. ; Jones Kenneth D., Modem with integrated control processor and digital signal processor sessions.
  47. Davis, Gordon Taylor; Dholakia, Ajay; Neeser, Fredy D.; Ware, Malcolm Scott; Ye, Hua, Modems having a dual power mode capability and methods of operating same.
  48. Youssef Abdelilah ; Gordon Taylor Davis ; Jeffrey Haskell Derby ; Ajay Dholakia CH; Evangelos Stavros Eleftheriou CH; Dongming Hwang ; Fredy D. Neeser CH; Malcolm Scott Ware ; Hua Ye, Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup.
  49. Ajay Dholakia CH; Evangelos Stavros Eleftheriou CH; Robert F. H. Fischer DE; Fredy D. Neeser CH; Malcolm Scott Ware, Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments.
  50. Dongming Hwang ; Malcolm Scott Ware ; Hua Ye, Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems.
  51. Greszczuk John A. (Roslindale MA), Multimode modem.
  52. Ready David C. ; Van Seters Stephen L. ; Flanders John A., Packet characterization using code vectors.
  53. O'Sullivan, Harry M., Portable hybrid communication system and methods.
  54. O'Sullivan, Harry Michael, Portable hybrid communication system and methods.
  55. Schunk Peter (Hanover DEX) Bock Stefan (Isernhagen DEX), Process for determining whether a subscriber is the calling or the called party.
  56. Olafsson, Sverrir, Quick connect parameter exchange.
  57. Olafsson, Sverrir, Quick connect parameter exchange.
  58. Abdelilah,Youssef; Davis,Gordon Taylor; Derby,Jeffrey Haskell; Dholakia,Ajay; Eleftheriou,Evangelos Stavros; Fischer,Robert F. H.; Hwang,Dongming; Neeser,Fredy D.; Ware,Malcolm Scott; Ye,Hua, Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem.
  59. Ware, Malcolm Scott; Davis, Gordon Taylor, SEVERE ERROR DETECTORS, METHODS AND COMPUTER PROGRAM PRODUCTS THAT USE CONSTELLATION SPECIFIC ERROR EVENT THRESHOLDS TO DETECT SEVERE ERROR EVENTS DURING DEMODULATION OF A SIGNAL COMPRISING SYMBOLS F.
  60. Davis, Gordon Taylor; Derby, Jeffrey Haskell; Ware, Malcolm Scott; Young, Charles Robert, SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR CONTROLLING DATA RATE REDUCTIONS IN A COMMUNICATION DEVICE BY USING A PLURALITY OF FILTERS TO DETECT SHORT-TERM BURSTS OF ERRORS AND LONG-TERM SUST.
  61. Olafsson, Sverrir, Signaling mechanism for modem connection holding and reconnecting.
  62. Olafsson, Sverrir, Signaling mechanism for modem connection holding and reconnecting.
  63. Davis, Gordon Taylor; Dholakia, Ajay; Hwang, Dongming; Ware, Malcolm Scott; Ye, Hua, System, methods and computer program products for identifying digital impairments in modem signals using signature analysis and signal level comparison analysis.
  64. Davis, Gordon Taylor; Ware, Malcolm Scott, Systems methods and computer program products for controlling undesirable bias in an equalizer.
  65. Davis, Gordon Taylor; Dholakia, Ajay; Neeser, Fredy D., Systems methods and computer program products for generating and optimizing signal constellations.
  66. Abdelilah, Youssef; Davis, Gordon Taylor; Hwang, Dongming; Ware, Malcolm Scott; Ye, Hua, Systems, methods and computer program products for averaging learned levels in the presence of digital impairments based on patterns.
  67. Davis, Gordon Taylor; Ware, Malcolm Scott, Systems, methods and computer program products for averaging learned levels in the presence of robbed-bit signaling based on proximity.
  68. Davis, Gordon Taylor; Dholakia, Ajay; Ware, Malcolm Scott, Systems, methods and computer program products for data mode refinement of modem constellation points.
  69. Davis, Gordon Taylor; Neeser, Fredy D.; Ware, Malcolm Scott, Systems, methods and computer program products for filtering glitches from measured values in a sequence of code points.
  70. Abdelilah, Youssef; Davis, Gordon Taylor; Dholakia, Ajay; Hwang, Dongming; Neeser, Fredy D.; Ware, Malcolm Scott; Ye, Hua, Systems, methods and computer program products for identifying digital impairments in modem signals.
  71. Davis, Gordon Taylor; Dholakia, Ajay; Hwang, Dongming; Ware, Malcolm Scott; Ye, Hua, Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels.
  72. Abdelilah, Youssef; Davis, Gordon Taylor; Dholakia, Ajay; Hwang, Dongming; Neeser, Fredy D.; Ware, Malcolm Scott; Ye, Hua, Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points.
  73. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  74. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  75. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  76. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  77. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  78. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  79. Leedom, Jr., Charles M., Tiered wireless, multi-modal access system and method.
  80. Olafsson, Sverrir; Webster, Andrew; Borden, Craig E.; Raasch, Charles F.; Doshi, Nimesh; Beadle, Burk; Otten, Robert T., Use of modem on hold for network management and telephone access.
  81. Olafsson,Sverrir; Webster,Andrew; Borden,Craig E.; Raasch,Charles F.; Doshi,Nimesh; Beadle,Burk; Otten,Robert T., Using modems to place modem connections on hold and to maintain upper layer network connection.
  82. Dowling, Eric Morgan; Anastasi, Mark Nicholas, Virtual connection of a remote unit to a server.
  83. Dowling, Eric Morgan; Anastasi, Mark Nicholas, Virtual connection of a remote unit to a server.

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