FR1116105A - Amplificateur téléphonique antonome - Google Patents

Amplificateur téléphonique antonome

Info

Publication number
FR1116105A
FR1116105A FR1116105DA FR1116105A FR 1116105 A FR1116105 A FR 1116105A FR 1116105D A FR1116105D A FR 1116105DA FR 1116105 A FR1116105 A FR 1116105A
Authority
FR
France
Prior art keywords
antonome
telephone amplifier
telephone
amplifier
antonome telephone
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
English (en)
Inventor
Maurice Verrando
Pierre Duperret
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 FR1116105A publication Critical patent/FR1116105A/fr
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
    • H04M1/62—Constructional arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/652—Means for playing back the recorded messages by remote control over a telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1116105D 1953-07-17 1953-07-17 Amplificateur téléphonique antonome Expired FR1116105A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1116105T 1953-07-17

Publications (1)

Publication Number Publication Date
FR1116105A true FR1116105A (fr) 1956-05-04

Family

ID=9629296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116105D Expired FR1116105A (fr) 1953-07-17 1953-07-17 Amplificateur téléphonique antonome

Country Status (1)

Country Link
FR (1) FR1116105A (fr)

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