GB319175A - A combined table lamp and loud speaker - Google Patents

A combined table lamp and loud speaker

Info

Publication number
GB319175A
GB319175A GB3804328A GB3804328A GB319175A GB 319175 A GB319175 A GB 319175A GB 3804328 A GB3804328 A GB 3804328A GB 3804328 A GB3804328 A GB 3804328A GB 319175 A GB319175 A GB 319175A
Authority
GB
United Kingdom
Prior art keywords
loud speaker
table lamp
combined table
loud
diaphragm
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
GB3804328A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ERNST FRIEDRICH SCHAFER
Original Assignee
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 by ERNST FRIEDRICH SCHAFER filed Critical ERNST FRIEDRICH SCHAFER
Priority to GB3804328A priority Critical patent/GB319175A/en
Priority to FR666356D priority patent/FR666356A/en
Publication of GB319175A publication Critical patent/GB319175A/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)

Abstract

319,175. Schafer, E. F. Dec. 24, 1928. Loud-speakers; diaphragms. - Serving as a shade, the diaphragm a of a loud-speaker is driven by a unit located in the base of the lamp standard. The diaphragm a has a wooden rim i attached to a metal rim d by fabric or leather, and is connected to the moving coil b by a long thin tube or rod c.
GB3804328A 1928-12-24 1928-12-24 A combined table lamp and loud speaker Expired GB319175A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3804328A GB319175A (en) 1928-12-24 1928-12-24 A combined table lamp and loud speaker
FR666356D FR666356A (en) 1928-12-24 1928-12-26 Electric lamp combined with a loudspeaker

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
GB319175A true GB319175A (en) 1929-09-19

Family

ID=10400778

Family Applications (1)

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

Country Status (2)

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

Also Published As

Publication number Publication date
FR666356A (en) 1929-10-01

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