FR714910A - Improvements in the electrical reproduction of sound - Google Patents

Improvements in the electrical reproduction of sound

Info

Publication number
FR714910A
FR714910A FR714910DA FR714910A FR 714910 A FR714910 A FR 714910A FR 714910D A FR714910D A FR 714910DA FR 714910 A FR714910 A FR 714910A
Authority
FR
France
Prior art keywords
sound
electrical reproduction
reproduction
electrical
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
Archibald Montgomery Low
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 FR714910A publication Critical patent/FR714910A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR714910D 1930-04-08 1931-04-07 Improvements in the electrical reproduction of sound Expired FR714910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB70731A GB351899A (en) 1930-04-08 1930-04-08 Improvements in and relating to electrical pick-ups for talking machines

Publications (1)

Publication Number Publication Date
FR714910A true FR714910A (en) 1931-11-23

Family

ID=9709132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714910D Expired FR714910A (en) 1930-04-08 1931-04-07 Improvements in the electrical reproduction of sound

Country Status (2)

Country Link
FR (1) FR714910A (en)
GB (1) GB351899A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509780A (en) * 1948-04-29 1950-05-30 Rca Corp Magnetic record reproducing system

Also Published As

Publication number Publication date
GB351899A (en) 1931-07-02

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