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FR764457A - Improvements to reproductive systems or sound receptors - Google Patents

Improvements to reproductive systems or sound receptors

Info

Publication number
FR764457A
FR764457A FR764457DA FR764457A FR 764457 A FR764457 A FR 764457A FR 764457D A FR764457D A FR 764457DA FR 764457 A FR764457 A FR 764457A
Authority
FR
France
Prior art keywords
reproductive systems
sound receptors
receptors
sound
reproductive
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
Francis Rock Carling
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 FR764457A publication Critical patent/FR764457A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR764457D 1933-11-28 1933-11-28 Improvements to reproductive systems or sound receptors Expired FR764457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764457T 1933-11-28

Publications (1)

Publication Number Publication Date
FR764457A true FR764457A (en) 1934-05-22

Family

ID=9182140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764457D Expired FR764457A (en) 1933-11-28 1933-11-28 Improvements to reproductive systems or sound receptors

Country Status (1)

Country Link
FR (1) FR764457A (en)

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