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Dual speed full duplex data transmission 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-005/00
  • H04M-011/06
출원번호 US-0737789 (1976-11-01)
발명자 / 주소
  • Goldenberg
  • Henry Robert
  • Peck
  • Richard John
  • Tong
  • Shih Yung
  • We bb
  • David Allen
출원인 / 주소
  • Bell Telephone Laboratories, Incorporated
대리인 / 주소
    Kearns, Joseph P.Phelan, Charles Scott
인용정보 피인용 횟수 : 74  인용 특허 : 2

초록 ▼

A dual-speed, dual format full-duplex two-wire voiceband data transmission system provides automatic speed selection at the answering terminal responsive to a handshaking sequence which is compatible with existing systems operating at telegraph speeds. Existing systems provide asynchronous full-dupl

대표청구항

대표청구항이 없습니다.

이 특허에 인용된 특허 (2)

  1. Ogawa Mutsuo (Tokyo JA), Facsimile transmission method and system.
    상세보기
  2. Bingham John A. C. (Palo Alto CA), Full-duplex communication system on a two wire line.
    상세보기

이 특허를 인용한 특허 (74)

  1. Heynen Jan (2928 Haughton Street Ottawa ; Ontario CAX K2B 6Z7) Kayser Larry S. (36 Glebe Avenue Ottawa ; Ontario CAX K1S 2C1) Mony Georges E. (3576 Marlowe Avenue Montreal ; Quebec CAX H5A 3L7), (DS) transmitter.
    상세보기
  2. Lomp, Gary R., Adaptive vector correlator for spread-spectrum communications.
    상세보기
  3. Gary R. Lomp, Adaptive vector correlator using weighting signals for spread-spectrum communications.
    상세보기
  4. Ohtake Hisao (Tokyo JPX) Yamamoto Kazushige (Tokyo JPX), Analog front-end circuit for full-duplex communication.
    상세보기
  5. Ozluturk, Faith M.; Lomp, Gary R.; Kowalski, John, Apparatus for adaptive reverse power control for spread-spectrum communications.
    상세보기
  6. Ozluturk,Fatih M.; Lomp,Gary R.; Kowalski,John, Apparatus for initial power control for spread-spectrum communications.
    상세보기
  7. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
    상세보기
  8. Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
    상세보기
  9. Kurtz,Scott David, Base station for compressing and transmitting high speed data.
    상세보기
  10. Luddy, Michael J., Base station for supporting communication rate modifications.
    상세보기
  11. Camarata Joseph M. (Palos Verdes Peninsula CA), Baseband local area network using ordinary telephone wiring.
    상세보기
  12. Hanson Kerry A. (Houston TX), Bilateral digital data transmission system.
    상세보기
  13. Luddy Michael J., CDMA communication system which selectively suppresses data transmissions during establishment of a communication channe.
    상세보기
  14. Buskirk Allan F. V. (Fountain Valley CA) Moskovitch Gadi (Anaheim CA), Central station alarm reporting system.
    상세보기
  15. Ozluturk, Fatih M.; Lomp, Gary R., Centroid tracking for spread-spectrum communications.
    상세보기
  16. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
    상세보기
  17. Sturdevant ; Jr. Norman J. (Lee NY), Communications system input-output converter.
    상세보기
  18. Amundson Anthony P. (Holliston MA), Data telecommunications system and method utilizing a multi-mode modem.
    상세보기
  19. Herschtal Ludwik (North Balwyn Carlton AUX) Zelenka Alfred (Carlton AUX), Digital data communication network having differing data transmission rate capabilities.
    상세보기
  20. Lomp, Gary R.; Ozluturk, Faith, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
    상세보기
  21. Feiner Alexander (Rumson NJ) Saltzberg Burton R. (Middletown NJ), Facility type determination technique.
    상세보기
  22. Lang Gordon R. (Bolton CAX) Longstaff Fred M. (Islington CAX), Full duplex modem system for differing data bit rates.
    상세보기
  23. Ozluturk,Fatih M.; Lomp,Gary R.; Kowalski,John, Initial power control for spread-spectrum communications.
    상세보기
  24. Lomp,Gary R., Median weighted tracking for spread-spectrum communications.
    상세보기
  25. Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
    상세보기
  26. Kurtz Scott David, Method and apparatus for compressing and transmitting high speed data.
    상세보기
  27. Kurtz, Scott David, Method and apparatus for compressing and transmitting high speed data.
    상세보기
  28. Scott David Kurtz, Method and apparatus for compressing and transmitting high speed data.
    상세보기
  29. Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
    상세보기
  30. Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
    상세보기
  31. Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
    상세보기
  32. Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
    상세보기
  33. Ozluturk, Fatih M.; Lomp, Gary R.; Kowalski, John, Method for adaptive forward power control for spread-spectrum communications.
    상세보기
  34. Ozluturk, Faith M.; Lomp, Gary R.; Kowalski, John, Method for adaptive reverse power control for spread-spectrum communications.
    상세보기
  35. Kurtz,Scott D., Method for base station compressing and transmitting high speed data.
    상세보기
  36. Ozluturk, Fatih M.; Lomp, Gary R.; Kowalski, John, Method for initial power control for spread-spectrum communications.
    상세보기
  37. Kurtz, Scott David, Method for subscriber unit compressing and transmitting high speed data.
    상세보기
  38. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
    상세보기
  39. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
    상세보기
  40. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
    상세보기
  41. Ozluturk, Faith M., Method for using a base station to selectively utilize channels to support a plurality of communications.
    상세보기
  42. Ozluturk, Fatih M., Method for using a base station to selectively utilize channels to support a plurality of communications.
    상세보기
  43. Ozluturk, Fatih M., Method for using a base station to selectively utilize channels to support a plurality of communications.
    상세보기
  44. Luddy, Michael J., Method implemented by a base station for selectively suppressing communications.
    상세보기
  45. Luddy, Michael J., Method implemented by a subscriber unit for selectively suppressing communications.
    상세보기
  46. Luddy, Michael J., Method implemented by a subscriber unit for selectively suppressing communications.
    상세보기
  47. Luddy, Michael J., Method implemented by a subscriber unit for selectively suppressing communications.
    상세보기
  48. Luddy, Michael J., Method implemented by a subscriber unit for selectively suppressing communications.
    상세보기
  49. Walsh Dale M. (7981 Creekwood Drive Burr Ridge IL 60525) Wallach Clifford H. (53 Berwick Ct. Lincolnshire IL 60015), Modem for communicating at high speed over voice-grade telephone circuits.
    상세보기
  50. Heatherington Dale A. (Decatur GA), Modem with low part count and improved demodulator.
    상세보기
  51. Talaat M. Magdy ; Raza S. Babar, Multi-speed retainer.
    상세보기
  52. Klinkovsky Edward R. (Brenham TX) Severin William A. (Houston TX), PSK modem filter switch.
    상세보기
  53. Hayes David F. (Webster NY), Programmable frequency and signalling format tone frequency encoder/decoder circuit.
    상세보기
  54. Mahany, Ronald L., Radio frequency communication network having adaptive communication parameters.
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  55. Mahany, Ronald L., Radio frequency communication network having adaptive communication parameters.
    상세보기
  56. Duvaut,Patrick; Sorbara,Massimo; Alloin,Laurent Francis; Kleewein, legal representative,Wolfgang; Kleewein,Peter, Reduced symbol rate handshake signaling in ADSL systems.
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  57. Mahany, Ronald L.; Lucken, legal representative, Pamela, Remote radio data communication system with data rate switching.
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  58. Mahany, Ronald L.; Lucken, legal representative, Pamela, Remote radio data communication system with data rate switching.
    상세보기
  59. Grotjohann Hermanus H. (Hilversum NLX) Reynders John R. (Hilversum NLX), Satellite communication system for speech and telegraphy.
    상세보기
  60. Kurtz, Scott David, Subscriber unit for compressing and transmitting high speed data.
    상세보기
  61. Luddy, Michael J., Subscriber unit for supporting communication rate modifications.
    상세보기
  62. Tzannes, Marcos C., System and method for descrambling the phase of carriers in a multicarrier communications system.
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  63. Tzannes, Marcos C., System and method for descrambling the phase of carriers in a multicarrier communications system.
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  64. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
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  65. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
    상세보기
  66. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
    상세보기
  67. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
    상세보기
  68. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
    상세보기
  69. Tzannes, Marcos C., System and method for scrambling the phase of the carriers in a multicarrier communications system.
    상세보기
  70. Tzannes, Marcos C., System and method for scrambling using a bit scrambler and a phase scrambler.
    상세보기
  71. Tzannes, Marcos C., System and method for scrambling using a bit scrambler and a phase scrambler.
    상세보기
  72. Ozluturk,Fatih M.; Lomp,Gary R., System for using rapid acquisition spreading codes for spread-spectrum communications.
    상세보기
  73. Blanchard Dennis R. (Hampstead NH) Bruckert Edward A. (Maynard MA) Conroy David G. (Maynard MA) Ellison Richard D. (Worcester MA) Vitale Anthony J. (Northboro MA), Telephone line interface option module.
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  74. Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
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