FR2696305B3 - Radio-amplificateur de téléphone à déclenchement automatique. - Google Patents

Radio-amplificateur de téléphone à déclenchement automatique.

Info

Publication number
FR2696305B3
FR2696305B3 FR9203105A FR9203105A FR2696305B3 FR 2696305 B3 FR2696305 B3 FR 2696305B3 FR 9203105 A FR9203105 A FR 9203105A FR 9203105 A FR9203105 A FR 9203105A FR 2696305 B3 FR2696305 B3 FR 2696305B3
Authority
FR
France
Prior art keywords
radio telephone
automatic radio
telephone amplifier
amplifier
automatic
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
FR9203105A
Other languages
English (en)
Other versions
FR2696305A3 (fr
Inventor
Ngo-Van-Chuc
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9203105A priority Critical patent/FR2696305B3/fr
Publication of FR2696305A3 publication Critical patent/FR2696305A3/fr
Application granted granted Critical
Publication of FR2696305B3 publication Critical patent/FR2696305B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04M1/64—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
    • H04M1/656—Recording arrangements for recording a message from the calling party for recording conversations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0293—Terminal boxes for telephone sets
    • 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
    • H04M1/80—Telephone line holding circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR9203105A 1992-03-16 1992-03-16 Radio-amplificateur de téléphone à déclenchement automatique. Expired - Lifetime FR2696305B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9203105A FR2696305B3 (fr) 1992-03-16 1992-03-16 Radio-amplificateur de téléphone à déclenchement automatique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9203105A FR2696305B3 (fr) 1992-03-16 1992-03-16 Radio-amplificateur de téléphone à déclenchement automatique.

Publications (2)

Publication Number Publication Date
FR2696305A3 FR2696305A3 (fr) 1994-04-01
FR2696305B3 true FR2696305B3 (fr) 1994-09-30

Family

ID=9427711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9203105A Expired - Lifetime FR2696305B3 (fr) 1992-03-16 1992-03-16 Radio-amplificateur de téléphone à déclenchement automatique.

Country Status (1)

Country Link
FR (1) FR2696305B3 (fr)

Also Published As

Publication number Publication date
FR2696305A3 (fr) 1994-04-01

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