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Communication over noisy lines

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/04
출원번호 US-0473055 (1983-03-07)
우선권정보 GB-0007043 (1982-03-10)
발명자 / 주소
  • Clark Duncan G. D. (Blackwater
  • Nr. Camberley GB2) Kimber Ian D. (Bracknell GB2) May Roderick G. (Wealdstone GB2)
출원인 / 주소
  • EMI Limited (Hayes GB2 03)
인용정보 피인용 횟수 : 46  인용 특허 : 4

초록

In a line network communication system coded data signals are transmitted on a base band carrier signal and are recovered in a receiver. The receiver includes an exclusive OR gate and a shift register which operate in conjunction to compare, during successive time intervals, a series of coded refere

대표청구항

A line network communication system including transmitter means capable of transmitting a series of coded data signals on a base band carrier signal and receiver means capable of receiving a transmitted signal and recovery therefrom said coded data signals wherein said receiver means comprises compa

이 특허에 인용된 특허 (4)

  1. Spencer Billie M. (Bountiful UT) Cady William S. (Bountiful UT) Zscheile ; Jr. John W. (Farmington UT), Coherent spread spectrum receiving apparatus.
  2. Ewanus Walter (Ellicott City MD), Communication.
  3. Gordy Robert S. (Largo FL) Sanders David E. (St. Petersburg FL), Spread spectrum demodulator.
  4. Fletcher James C. Administrator of the National Aeronautics and Space Administration ; with respect to an invention of ( Woodbine MD) Pardoe Carroll T. (Woodbine MD), Telemetry Synchronizer.

이 특허를 인용한 특허 (46)

  1. Scott Logan, Antenna diversity techniques.
  2. Scott, Logan, Antenna diversity techniques.
  3. McCallister Ronald D. (Scottsdale AZ) Cochran Bruce A. (Mesa AZ) Bogner Mary A. (Scottsdale AZ), Apparatus for despreading a spread spectrum signal produced by a linear feedback shift register (LFSR).
  4. Durrant Randolph L. ; Burbach Mark, Apparatus for receiving and correlating a spread spectrum signal.
  5. Dixon Robert C. (Palmer Lake CO) Vanderpool Jeffrey S. (Colorado Springs CO), Asymmetric spread spectrum correlator.
  6. Kubota Ichiro (Tokyo JPX) Toyoshima Masakatsu (Tokyo JPX), Bidirectional digital signal communication system.
  7. Feher, Kamilo, Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system.
  8. Lee, Jri; Chen, Ming-Shuan; Wang, Huai-De, Duobinary transceiver.
  9. Feher Kamilo, Feher keying (KF) modualtion and transceivers including clock shaping processors.
  10. Frederich William L. (Kenosha WI), Frequency detector.
  11. Durrant Randolph L. ; Burbach Mark, Method and apparatus for coherent correlation of a spread spectrum signal.
  12. Durrant Randolph L. ; Burbach Mark, Method and apparatus for coherent serial correlation of a spread spectrum signal.
  13. Scott Logan, Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals.
  14. Durrant Randolph L. ; Burbach Mark, Method and apparatus for correlating a continuous phase modulated spread spectrum signal.
  15. Gold Robert ; Dixon Robert C., Method and apparatus for despreading spread spectrum signals.
  16. Durrant Randolph L. (Colorado Springs CO) Burbach Mark T. (Peyton CO) Hoyt Eugene P. (Colorado Springs CO), Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuo.
  17. Dixon Robert C. ; Vanderpool Jeffrey S., Method and apparatus for establishing spread spectrum communication.
  18. Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO), Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal.
  19. Durrant Randolph L. ; Burbach Mark, Method and apparatus for parallel noncoherent correlation of a spread spectrum signal.
  20. Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO), Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchr.
  21. Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO), Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal.
  22. Durrant Randolph L. ; Burbach Mark, Method and apparatus for wireless spread spectrum communication with preamble sounding gap.
  23. Malter Remi (Poissy FRX), Method and device for the acquisition of synchronization bits in data transmission systems.
  24. Feher, Kamilo, Methods and systems for transmission of multiple modulated signals over wireless networks.
  25. Feher,Kamilo, Modulation and demodulation format selectable system.
  26. Durrant Randolph L. (Colorado Springs CO) Burbach Mark T. (Peyton CO), Multi-bit correlation of continuous phase modulated signals.
  27. Propp Michael B. (Brighton MA) Propp David L. (Toronto CAX), Power line communication apparatus.
  28. Kamilo Feher, Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems.
  29. Monroe Robert, Spread spectrum codes for use in communication.
  30. Scott Logan, Spread spectrum correlation using saw device.
  31. Endo Kaoru (Osaka JPX), Spread spectrum power line communications.
  32. Durrant Randy (Colorado Springs CO) Burbach Mark (Peyton CO), Spread spectrum transmitter.
  33. Gold Robert ; Dixon Robert C., Spread spectrum transmitter and communications system using multiple spreading codes.
  34. Jeffrey S. Vanderpool, Spread spectrum wireless communication system.
  35. Vanderpool, Jeffrey S., Spread spectrum wireless communication system.
  36. Vanderpool,Jeffrey S., Spread spectrum wireless communication system.
  37. Vanderpool Jeffrey S., Spread spectrum wireless telephone system.
  38. Smith Douglas G. ; Dixon Robert C. ; Vanderpool Jeffrey S., Spread-spectrum data publishing system.
  39. Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO), Synchronization apparatus and method for spread spectrum receiver.
  40. Feher, Kamilo, System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA.
  41. Hasegawa Satoshi (Tokyo JPX), System for carrying out spread spectrum communication through an electric power line.
  42. Dixon Robert C., Three cell wireless communication system.
  43. Dixon Robert C. (Palmer Lake CO), Three-cell wireless communication system.
  44. Feher,Kamilo, Ultra efficient modulation and transceivers.
  45. Dixon,Robert C., Wireless cellular communication system.
  46. Dixon,Robert C.; Vanderpool,Jeffrey S., Wireless communication method and apparatus.
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