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High precision radio signal controlled continuously updated digital clock

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G04C-011/02
  • H04B-001/10
출원번호 US-0017666 (1987-02-24)
발명자 / 주소
  • Conklin Charles C. (Santa Clara County CA) Jeppson Stephen O. (Santa Clara County CA) Mongeon Ronald W. (Santa Clara County CA) Schachter David (San Francisco County CA) Spira Philip M. (Santa Clara
출원인 / 주소
  • Precision Standard Time, Inc. (Fremont CA 02)
인용정보 피인용 횟수 : 37  인용 특허 : 0

초록

A method and apparatus for synchronizing a clock to broadcast time-based signals, said time-based signals including encoded timing information, the method comprising the steps of receiving said time-based signals, decoding said time-based signals to derive a plurality of digits from said timing info

대표청구항

A clock responsive to broadcast time-based signals for keeping time in accordance therewith, said time-based signals including encoded timing information, said clock comprising receiver means for receiving said time-based signals, processing means coupled to said receiver means for decoding said tim

이 특허를 인용한 특허 (37)

  1. Eliezer, Oren E., Adaptive radio controlled clock employing different modes of operation for different applications and scenarios.
  2. Someya, Kaoru; Nomura, Keiichi, Antenna apparatus, receiving apparatus and watch using magnetic sensor.
  3. Lim Sang-il (Suwon KRX), Circuit for resetting time of timer.
  4. Shemesh, Iian, Clock diagnostics.
  5. Singyouti Kenzi,JPX, Clock input circuit.
  6. Manson, Scott M.; Clark, Brian R.; D'Aversa, Angelo; Dingari, Sreenivas, Communication link monitoring and failover.
  7. Allan David W. (Boulder CO) Levine Judah (Boulder CO) Davis Dicky D. (Boulder CO) Weiss Marc A. (Boulder CO), Device and method for providing accurate time and/or frequency.
  8. Dolezilek, David J.; Day, Benjamin S.; Gammel, Dennis; Bradetich, Ryan; Bennett, Jerry J; Ewing, Christopher, Exchange of messages between devices in an electrical power system.
  9. Morganstein Sanford J., Frequency shifing device and method for automatic clock adjustment.
  10. Roland W. Kohl HK, Global travel clock.
  11. Bohme Rolf,DEX ; Eichin Matthias,DEX, Heterodyne receiver with synchronous demodulation for receiving time signals.
  12. Morris, Robert E.; Lee, Tony J., Intelligent electronic device with segregated real-time ethernet.
  13. Morris, Robert E.; Lee, Tony J.; Miller, Andrew A.; Nelms, Lisa Gayle; Day, Benjamin S., Intelligent electronic device with segregated real-time ethernet.
  14. Eliezer, Oren E., Leap second and daylight saving time correction for use in a radio controlled clock receiver.
  15. Eliezer, Oren E., Leap second and daylight saving time correction for use in a radio controlled clock receiver.
  16. Nelson ; Jr. Robert Leonard ; Bartmess Robert Clifford, Leap-second cure for 1999 GPS rollover problem.
  17. Eliezer, Oren E.; Awasthi, Aditya, Low power radio controlled clock incorporating independent timing corrections.
  18. Schafer Gerhard,DEX ; Memmler Bernd,DEX, Method for detecting the beginning of time messages.
  19. Memmler Bernd,DEX ; Schafer Gerhard,DEX, Method for detecting the time messages in the faulty signal of a time-signal transmitter.
  20. Haefner,Horst; Polonio,Roland; Sailer,Hans Joachim, Method for gaining time information and receiver for implementing the method.
  21. Eliezer, Oren E.; Robbins, Dennis I.; Jung, Thomas, Multi-antenna receiver in a radio controlled clock.
  22. Rajasekaran, Manodev J.; Rector, David M.; Sanchez Moreno, Damian; Kunzler, M. Wesley; Achanta, Srinivas; Bennett, Jerry J.; Ender, Ian C., Network device.
  23. Polonio,Roland; Sailer,Hans Joachim, Radio controlled clock and method for retrieving time information from time signals.
  24. Ihara,Takashi; Sakuyama,Masao; Takada,Akinari; Namekawa,Masaaki, Radio corrected clock.
  25. Conklin Charles C. (10371 N. Blaney Ave. Cupertino CA 95014) Faber Michael W. (833 Abbie St. Pleasanton CA 94566) Schachter David (801 Middlefield Rd. Palo Alto CA 94301) Spira Philip M. (2025 Tasso , Radio signal controlled digital clock.
  26. Meltzer, David; Blum, Gregory, Radio watch.
  27. Haefner,Horst; Polonio,Roland; Sailer,Hans Joachim, Radio-controlled clock and method for gaining time information.
  28. Kuehnle,Joachim; Polonio,Roland; Sailer,Hans Joachim, Receiver circuit and method using selectively variable amplification for receiving time signals from different transmitters.
  29. Lee, Tony J.; Henriksen, Keith C., System and apparatus for measuring the accuracy of a backup time source.
  30. Aoyama David D. ; Duke Steven B. ; Giaever John, System and method for adjusting time associated with medical event data.
  31. Eliezer, Oren E., System and method for phase modulation over a pulse width modulated/amplitude modulated signal for use in a radio controlled clock receiver.
  32. Frazier, Nicholas R.; Ransom, Daniel L.; Tews, Cody W., System and method for providing accurate time generation in a computing device of a power system.
  33. Dolezilek, David J.; Day, Benjamin S.; Gammel, Dennis; Bradetich, Ryan; Bennett, Jerry J; Ewing, Christopher, Systems and methods for communicating data state change information between devices in an electrical power system.
  34. Eliezer, Oren E., Timing and time information extraction from a phase modulated signal in a radio controlled clock receiver.
  35. Eliezer, Oren E., Timing and time information extraction in a radio controlled clock receiver.
  36. Kasztenny, Bogdan Z.; Tibbals, Timothy P.; Dolezilek, David J.; Day, Benjamin S.; Bradetich, Ryan; Bennett, Jerry J.; Achanta, Shankar V., Transmission of data over a low-bandwidth communication channel.
  37. Kasztenny, Bogdan Z.; Tibbals, Timothy P.; Dolezilek, David J.; Day, Benjamin S.; Bradetich, Ryan; Bennett, Jerry J.; Achanta, Shankar V., Transmission of data over a low-bandwidth communication channel.
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