FR2619980B1 - Bloc microphone haut-parleur avec mode de temps mort rapide - Google Patents

Bloc microphone haut-parleur avec mode de temps mort rapide

Info

Publication number
FR2619980B1
FR2619980B1 FR8712169A FR8712169A FR2619980B1 FR 2619980 B1 FR2619980 B1 FR 2619980B1 FR 8712169 A FR8712169 A FR 8712169A FR 8712169 A FR8712169 A FR 8712169A FR 2619980 B1 FR2619980 B1 FR 2619980B1
Authority
FR
France
Prior art keywords
dead time
time mode
speaker microphone
microphone block
fast dead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR8712169A
Other languages
English (en)
Other versions
FR2619980A1 (fr
Inventor
Wilson David Pace
Dennis Lee Welty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Priority to FR8712169A priority Critical patent/FR2619980B1/fr
Publication of FR2619980A1 publication Critical patent/FR2619980A1/fr
Application granted granted Critical
Publication of FR2619980B1 publication Critical patent/FR2619980B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Amplifiers (AREA)
FR8712169A 1987-09-01 1987-09-01 Bloc microphone haut-parleur avec mode de temps mort rapide Expired - Lifetime FR2619980B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8712169A FR2619980B1 (fr) 1987-09-01 1987-09-01 Bloc microphone haut-parleur avec mode de temps mort rapide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712169A FR2619980B1 (fr) 1987-09-01 1987-09-01 Bloc microphone haut-parleur avec mode de temps mort rapide

Publications (2)

Publication Number Publication Date
FR2619980A1 FR2619980A1 (fr) 1989-03-03
FR2619980B1 true FR2619980B1 (fr) 1992-05-29

Family

ID=9354554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8712169A Expired - Lifetime FR2619980B1 (fr) 1987-09-01 1987-09-01 Bloc microphone haut-parleur avec mode de temps mort rapide

Country Status (1)

Country Link
FR (1) FR2619980B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889059A (en) * 1973-03-26 1975-06-10 Northern Electric Co Loudspeaking communication terminal apparatus and method of operation
CA1058340A (fr) * 1975-06-30 1979-07-10 International Standard Electric Corporation Dispositif de haut-parleur bidirectionnel pour postes telephoniques
CA1186826A (fr) * 1981-03-18 1985-05-07 Jin H. Yun Telephone a haut-parleur
US4490582A (en) * 1983-02-18 1984-12-25 At&T Information Systems Inc. Speakerphone control circuit
FR2578127A1 (fr) * 1985-02-27 1986-08-29 Jeumont Schneider Procede et dispositif pour la commande d'un poste telephonique a main libre fonctionnant en alternat

Also Published As

Publication number Publication date
FR2619980A1 (fr) 1989-03-03

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Legal Events

Date Code Title Description
TP Transmission of property