FR632915A - - Google Patents

Info

Publication number
FR632915A
FR632915A FR632915DA FR632915A FR 632915 A FR632915 A FR 632915A FR 632915D A FR632915D A FR 632915DA FR 632915 A FR632915 A FR 632915A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR632915A publication Critical patent/FR632915A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
FR632915D Expired FR632915A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR632915A true FR632915A (cg-RX-API-DMAC10.html) 1928-01-18

Family

ID=1541956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632915D Expired FR632915A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR632915A (cg-RX-API-DMAC10.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935134C (de) * 1953-01-15 1955-11-10 Telefunken Gmbh Elektroakustischer Wandler, insbesondere Kristallmikrofon
DE1120504B (de) * 1958-03-07 1961-12-28 Hugh Shaler Knowles Schallaufnahme- bzw. Wiedergabegeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935134C (de) * 1953-01-15 1955-11-10 Telefunken Gmbh Elektroakustischer Wandler, insbesondere Kristallmikrofon
DE1120504B (de) * 1958-03-07 1961-12-28 Hugh Shaler Knowles Schallaufnahme- bzw. Wiedergabegeraet

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