FR666356A - Electric lamp combined with a loudspeaker - Google Patents

Electric lamp combined with a loudspeaker

Info

Publication number
FR666356A
FR666356A FR666356DA FR666356A FR 666356 A FR666356 A FR 666356A FR 666356D A FR666356D A FR 666356DA FR 666356 A FR666356 A FR 666356A
Authority
FR
France
Prior art keywords
loudspeaker
electric lamp
lamp combined
combined
electric
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
Ernst Friedrich Schafer
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 FR666356A publication Critical patent/FR666356A/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
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Pinball Game Machines (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR666356D 1928-12-24 1928-12-26 Electric lamp combined with a loudspeaker Expired FR666356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3804328A GB319175A (en) 1928-12-24 1928-12-24 A combined table lamp and loud speaker

Publications (1)

Publication Number Publication Date
FR666356A true FR666356A (en) 1929-10-01

Family

ID=10400778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666356D Expired FR666356A (en) 1928-12-24 1928-12-26 Electric lamp combined with a loudspeaker

Country Status (2)

Country Link
FR (1) FR666356A (en)
GB (1) GB319175A (en)

Also Published As

Publication number Publication date
GB319175A (en) 1929-09-19

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