FR1198148A - Amplifier for telephone receiver - Google Patents

Amplifier for telephone receiver

Info

Publication number
FR1198148A
FR1198148A FR1198148DA FR1198148A FR 1198148 A FR1198148 A FR 1198148A FR 1198148D A FR1198148D A FR 1198148DA FR 1198148 A FR1198148 A FR 1198148A
Authority
FR
France
Prior art keywords
amplifier
telephone receiver
telephone
receiver
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)
Inventor
Passas
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 filed Critical
Application granted granted Critical
Publication of FR1198148A publication Critical patent/FR1198148A/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
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1198148D 1958-06-03 1958-06-03 Amplifier for telephone receiver Expired FR1198148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1198148T 1958-06-03

Publications (1)

Publication Number Publication Date
FR1198148A true FR1198148A (en) 1959-12-04

Family

ID=9669967

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198148D Expired FR1198148A (en) 1958-06-03 1958-06-03 Amplifier for telephone receiver

Country Status (1)

Country Link
FR (1) FR1198148A (en)

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