FR2610774B1 - ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL - Google Patents

ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL

Info

Publication number
FR2610774B1
FR2610774B1 FR8701651A FR8701651A FR2610774B1 FR 2610774 B1 FR2610774 B1 FR 2610774B1 FR 8701651 A FR8701651 A FR 8701651A FR 8701651 A FR8701651 A FR 8701651A FR 2610774 B1 FR2610774 B1 FR 2610774B1
Authority
FR
France
Prior art keywords
microphone
threshold
terminal
electronic device
telephone station
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
Application number
FR8701651A
Other languages
French (fr)
Other versions
FR2610774A1 (en
Inventor
Denis Abraham
Andre Chataignon
Claude Malaurie
Claude Jaeger
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.)
ALE International SAS
Original Assignee
Telic Alcatel SA
La Telephone Industrielle et Commerciale Telic Alcatel SA
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 Telic Alcatel SA, La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical Telic Alcatel SA
Priority to FR8701651A priority Critical patent/FR2610774B1/en
Publication of FR2610774A1 publication Critical patent/FR2610774A1/en
Application granted granted Critical
Publication of FR2610774B1 publication Critical patent/FR2610774B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR8701651A 1987-02-10 1987-02-10 ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL Expired FR2610774B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8701651A FR2610774B1 (en) 1987-02-10 1987-02-10 ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8701651A FR2610774B1 (en) 1987-02-10 1987-02-10 ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL

Publications (2)

Publication Number Publication Date
FR2610774A1 FR2610774A1 (en) 1988-08-12
FR2610774B1 true FR2610774B1 (en) 1989-05-26

Family

ID=9347771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8701651A Expired FR2610774B1 (en) 1987-02-10 1987-02-10 ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL

Country Status (1)

Country Link
FR (1) FR2610774B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69220255T2 (en) * 1991-01-18 1997-11-20 Nippon Electric Co White noise suppression circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867576A (en) * 1973-12-14 1975-02-18 Northern Electric Co Telephone transmitter circuit
US4002852A (en) * 1975-07-08 1977-01-11 International Telephone And Telegraph Corporation Electronic telephone network
US4378467A (en) * 1980-07-01 1983-03-29 Roanwell Corporation Audio amplifier
JPS6199451A (en) * 1984-09-21 1986-05-17 Toshiba Corp Telephone set

Also Published As

Publication number Publication date
FR2610774A1 (en) 1988-08-12

Similar Documents

Publication Publication Date Title
DE3581854D1 (en) ELECTRONIC POWER CIRCUIT FOR TELEPHONE SYSTEMS.
FR2618276B1 (en) ELECTRONIC SWITCHING DEVICE.
MX154969A (en) IMPROVEMENTS IN ELECTRONIC SWITCHING CIRCUIT USED IN TELEPHONE DEVICES
ES289644Y (en) AN ELECTRICAL TERMINAL
FR2611995B1 (en) SCREW CONNECTION DEVICE FOR ELECTRICAL CONDUCTOR
EP0198360A3 (en) Circuit for the remote powering of subscriber connecting devices in telephone exchanges
ES289012Y (en) AN ELECTRICAL TERMINAL
FR2610774B1 (en) ELECTRONIC DEVICE WITH THRESHOLD FOR MICROPHONE WITH LINEAR ELECTRICAL EFFICIENCY OF TELEPHONE STATION OR TERMINAL
GB2183967B (en) Constant power telephone line circuit
IT1171057B (en) TRANSMISSION CIRCUIT FOR AN ELECTRONIC TELEPHONE DEVICE
DE69312202T2 (en) Terminal for electrical devices
FR2523387B1 (en) TELEPHONE CONFERENCE CIRCUIT
FR2551604B1 (en) TELEXING DEVICE FOR ELECTRONIC TELEPHONE TERMINAL
IT1228171B (en) CIRCUIT PROVISION FOR TELEPHONE TERMINAL EQUIPMENT.
ZA858582B (en) An electrical circuit breaking device
FR2532506B1 (en) ELECTRONIC TIME SWITCHING DEVICE, PARTICULARLY FOR DIGITAL TELEPHONE CENTRAL
FR2592541B1 (en) TELEPHONE TELECONFERENCE TERMINAL.
FR2531278B1 (en) DEVICE FOR CONNECTING ELECTRICAL CONDUCTORS
ES290716Y (en) AN ELECTRICAL TERMINAL
FR2530103B1 (en) APPOINTMENT REMINDER FOR ELECTRONIC TELEPHONE TERMINAL
ATA100985A (en) TRANSMITTER CIRCUIT FOR TELEPHONE NETWORKS
BR8306808A (en) TELEPHONE SWITCH ELECTRONIC DEVICE
ES537483A0 (en) ELECTRONIC TELEPHONE CIRCUIT WITH MULTIFREQUENCY SIGNALING
FR2541829B1 (en) ELECTRICAL CONNECTION DEVICE
FR2581269B1 (en) ELECTRONIC MULTI-CHANNEL SWITCHING DEVICE

Legal Events

Date Code Title Description
ST Notification of lapse