Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
BE468508A - - Google Patents
[go: Go Back, main page]

BE468508A - - Google Patents

Info

Publication number
BE468508A
BE468508A BE468508DA BE468508A BE 468508 A BE468508 A BE 468508A BE 468508D A BE468508D A BE 468508DA BE 468508 A BE468508 A BE 468508A
Authority
BE
Belgium
Prior art keywords
stations
receiver
transmitter
station
speech
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE468508A publication Critical patent/BE468508A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE468508D BE468508A (sr)

Publications (1)

Publication Number Publication Date
BE468508A true BE468508A (sr)

Family

ID=119239

Family Applications (1)

Application Number Title Priority Date Filing Date
BE468508D BE468508A (sr)

Country Status (1)

Country Link
BE (1) BE468508A (sr)

Similar Documents

Publication Publication Date Title
US6985592B1 (en) Multipurpose earphone set
US20050175189A1 (en) Dual microphone communication device for teleconference
JPH10336710A (ja) 通信ネットワークの保守における顧客領域内装置の利用方法
US4002860A (en) Transmitting and receiving apparatus
US11070657B2 (en) Remote tuning and diagnostic interface for hands-free systems
BE468508A (sr)
US2515726A (en) Intercommunicating system
FR2525052A1 (fr) Procede et dispositif de transmission stereophonique a partir d'une installation de reproduction du son, sans fil, a des enceintes acoustiques
US2269565A (en) Communication system
US1447773A (en) Radio transmission control system
US20250088802A1 (en) Crosstalk elimination playback system and method thereof
US3050582A (en) Anti-feedback system
FR2479616A1 (fr) Appareil recepteur a modulation de frequence
RU2103833C1 (ru) Устройство громкоговорящей связи
US2332551A (en) Telephone set circuit
Crellin Some experiences with a 202-mile carrier-current telephone
FR2515467A1 (fr) Procede et dispositif de linearisation d'un microphone au charbon
JPS594894B2 (ja) スタンバイスイッチ付トランシ−バ
US1464097A (en) Two-way-signaling system
JPS61172445A (ja) 信号伝送路の監視方法
JPH0234506B2 (sr)
KR940007686B1 (ko) 다중소리 입력처리 장치
JP2002314465A (ja) ハンズフリーフォン
JPH0217981B2 (sr)
JP2937974B2 (ja) 送受話器と携帯通信端末システム