FR1069320A - Subscriber telephone set with compensation circuit for damping the conversation current in the receiver and matching the microphone and receiver - Google Patents

Subscriber telephone set with compensation circuit for damping the conversation current in the receiver and matching the microphone and receiver

Info

Publication number
FR1069320A
FR1069320A FR1069320DA FR1069320A FR 1069320 A FR1069320 A FR 1069320A FR 1069320D A FR1069320D A FR 1069320DA FR 1069320 A FR1069320 A FR 1069320A
Authority
FR
France
Prior art keywords
receiver
microphone
damping
matching
compensation circuit
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
Other languages
French (fr)
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.)
Autophon AG
Original Assignee
Autophon AG
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 Autophon AG filed Critical Autophon AG
Application granted granted Critical
Publication of FR1069320A publication Critical patent/FR1069320A/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
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1069320D 1952-01-28 1952-12-31 Subscriber telephone set with compensation circuit for damping the conversation current in the receiver and matching the microphone and receiver Expired FR1069320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1069320X 1952-01-28

Publications (1)

Publication Number Publication Date
FR1069320A true FR1069320A (en) 1954-07-06

Family

ID=4555817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069320D Expired FR1069320A (en) 1952-01-28 1952-12-31 Subscriber telephone set with compensation circuit for damping the conversation current in the receiver and matching the microphone and receiver

Country Status (3)

Country Link
BE (1) BE516736A (en)
CH (1) CH302743A (en)
FR (1) FR1069320A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042668B (en) * 1955-02-17 1958-11-06 Ericsson Telefon Ab L M Circuit arrangement for telephone sets provided with number current pusher
CH345922A (en) * 1957-01-03 1960-04-30 Siemens Ag Albis Telephone subscriber station with back hearing loss for automatic operation

Also Published As

Publication number Publication date
CH302743A (en) 1954-10-31
BE516736A (en)

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