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Loudspeaking teleconferencing circuit

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-003/08
출원번호 US-0623545 (1975-10-17)
발명자 / 주소
  • Flanagan James Loton (Warren NJ) MacLean
  • Jr. Donald John (Scotch Plains NJ) West James Edward (Plainfield NJ)
출원인 / 주소
  • Bell Telephone Laboratories, Incorporated (Murray Hill NJ 02)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

A loudspeaking teleconferencing circuit serving a plurality of remote conference room locations includes a plurality of speakerphone sets at each conference room location and a communication network connected to an incoming and an outgoing terminal at each location. The transmit channel of each set

대표청구항

A conferencing system for a plurality of remote conference locations comprising a plurality of loudspeaking telephone sets at each conference room location, an incoming terminal and an outgoing terminal at each conference room location, and a communication path between the incoming and outgoing term

이 특허를 인용한 특허 (42)

  1. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Adaptive pattern recognition based controller apparatus and method and human-interface therefore.
  2. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Alarm system controller and a method for controlling an alarm system.
  3. Cohen Alon,ILX, Apparatus and method for multi-station conferencing.
  4. Addeo Eric J. (Long Valley NJ) Desmarias Joseph J. (Morris Plains NJ) Shtirmer Gennady (Morris Plains NJ), Audio processing system for teleconferencing system.
  5. Groves Ian S. (Ipswich GB2) Guard David R. (Ipswich GB2) Bunting John G. (Ipswich GB2) Rowlands Christopher E. (Ipswich GB2) Powter Edwin J. (Saxmundham GB2) Holmes David W. J. (Stowmarket GB2) Trott, Audio teleconferencing.
  6. Carpenter, Loren; Smoot, Lanny; Stahl, Alex, Avoiding audio feedback.
  7. Bathurst, Tracy A.; Lambert, David; Whiteley, Wayne; Owen, Carrie L., Common control of an electronic multi-pod conferencing system.
  8. Tokumasu Takahiko (Atsugi JPX) Nishimura Shinichi (Isehara JPX), Communication apparatus having driving mechanism and speaker-phone.
  9. Rodman, Jeffrey, Conference bridge which detects control information embedded in audio information to prioritize operations.
  10. Rodman, Jeffrey; Drell, David, Conference endpoint controlling audio volume of a remote device.
  11. Rodman, Jeffrey; Drell, David, Conference endpoint controlling functions of a remote device.
  12. Rodman, Jeffrey; Drell, David, Conference endpoint instructing a remote device to establish a new connection.
  13. Rodman, Jeffrey; Drell, David, Conference endpoint instructing conference bridge to dial phone number.
  14. Rodman, Jeffrey; Drell, David, Conference endpoint instructing conference bridge to mute participants.
  15. Rodman, Jeffrey; Drell, David, Conference endpoint requesting and receiving billing information from a conference bridge.
  16. Rodman, Jeffrey; Drell, David; Vander Kam, Rick A; Sexton, Martin G; Binford, Don; Nimri, Alain; Ratcliff, Jeff; Kilday, Carolyn; Hess, Michael J., Conference link between a speakerphone and a video conference unit.
  17. Newell Darryl C. (Boca Raton FL) Schroeder Karl F. (Gaithersburg MD) Wilkie Bruce J. (Ijamsville MD), Dual plane cross point switch architecture for a micro-PBX.
  18. Slater Robert W. (48 W. 938 Chandelle Dr. Hampshire IL 60140), Intercom apparatus for integrating disparate audio sources for use in light aircraft or similar high noise environments.
  19. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
  20. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
  21. Rodman, Jeffrey; Drell, David; Vander Kam, Rick A., Method and apparatus for combining speakerphone and video conference unit operations.
  22. Elias, Eric David, Mixed voice and spread spectrum data signaling with enhanced concealment of data.
  23. Hoffberg, Steven M; Hoffberg-Borghesani, Linda I, Mobile system, a method of operating mobile system and a non-transitory computer readable medium for a programmable control of a mobile system.
  24. Bathurst, Tracy A.; Lambert, David; Whiteley, Wayne; Owen, Carrie L., Multi-pod conference systems.
  25. Sudo Yozo (Yamato JPX) Mori Hiroyuki (Tama JPX) Murai Atsuya (Kawasaki JPX), Phone conference system.
  26. Hirai,Toru; Kawakami,Fukushi; Shimizu,Yasushi; Honji,Yoshikazu; Ikeda,Masahiro; Tohyama,Mikio, Picked-up-sound recording method and apparatus.
  27. Ishibashi, Toshiaki; Tanaka, Ryo; Ukai, Satoshi, Sound emission and collection apparatus and control method of sound emission and collection apparatus.
  28. Day, Mark S., Speak-louder signaling system for conference calls.
  29. Rodman, Jeffrey; Drell, David, Speakerphone and conference bridge which receive and provide participant monitoring information.
  30. Rodman, Jeffrey; Drell, David, Speakerphone and conference bridge which receive and provide participant monitoring information.
  31. Nir, Eyal; Rodman, Jeffrey; Drell, David, Speakerphone and conference bridge which request and perform polling operations.
  32. Rodman, Jeffrey, Speakerphone transmitting control information embedded in audio information through a conference bridge.
  33. Rodman, Jeffrey; Drell, David, Speakerphone using a secure audio connection to initiate a second secure connection.
  34. Warman Bloomfield J. (67 ; King Harold\s Way Bexleyheath ; Kent GB2), Speech direction detection circuits for telephone communication devices.
  35. Julstrom Stephen D. (Evanston IL), Teleconference system.
  36. Fukushi Yuzo (Tokyo JPX) Fuda Hitoshi (Tokyo JPX) Sasada Taisuke (Tokyo JPX), Teleconference system using expanders for emphasizing a desired signal with respect to undesired signals.
  37. Pierce ; Ben Arthur, Two-way paging system transmission direction sensing and control apparatus and method.
  38. Onufry ; Jr. Michael (Brookeville MD), Video teleconference audio echo control unit.
  39. Bathurst, Tracy A.; Lambert, David; Whiteley, Wayne; Owen, Carrie L., Virtual microphones in electronic conferencing systems.
  40. Elias, Eric, Voice interference correction for mixed voice and spread spectrum data signaling.
  41. Provencal, Paul; Forrester, Christopher M, Voice-switching device and method for multiple receivers.
  42. Bernard, Bruce V.; Kwok, Li Hing; Ren, Oliver; Ong, Pichet Thomas, Wireless multi-unit conference phone.
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