FR625445A - Loudspeaker telephone reception device - Google Patents

Loudspeaker telephone reception device

Info

Publication number
FR625445A
FR625445A FR625445DA FR625445A FR 625445 A FR625445 A FR 625445A FR 625445D A FR625445D A FR 625445DA FR 625445 A FR625445 A FR 625445A
Authority
FR
France
Prior art keywords
reception device
telephone reception
loudspeaker telephone
loudspeaker
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
French (fr)
Inventor
Henri Lorry
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 FR625445A publication Critical patent/FR625445A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR625445D 1926-10-18 1926-10-18 Loudspeaker telephone reception device Expired FR625445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625445T 1926-10-18

Publications (1)

Publication Number Publication Date
FR625445A true FR625445A (en) 1927-08-10

Family

ID=8987730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625445D Expired FR625445A (en) 1926-10-18 1926-10-18 Loudspeaker telephone reception device

Country Status (1)

Country Link
FR (1) FR625445A (en)

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