BE352291A - - Google Patents

Info

Publication number
BE352291A
BE352291A BE352291DA BE352291A BE 352291 A BE352291 A BE 352291A BE 352291D A BE352291D A BE 352291DA BE 352291 A BE352291 A BE 352291A
Authority
BE
Belgium
Application number
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.)
Publication of BE352291A publication Critical patent/BE352291A/xx

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
BE352291D 1927-08-15 BE352291A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US212944A US1672796A (en) 1927-08-15 1927-08-15 Sound reproducer

Publications (1)

Publication Number Publication Date
BE352291A true BE352291A (enrdf_load_stackoverflow)

Family

ID=22793058

Family Applications (1)

Application Number Title Priority Date Filing Date
BE352291D BE352291A (enrdf_load_stackoverflow) 1927-08-15

Country Status (4)

Country Link
US (1) US1672796A (enrdf_load_stackoverflow)
BE (1) BE352291A (enrdf_load_stackoverflow)
FR (1) FR657396A (enrdf_load_stackoverflow)
GB (1) GB295625A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519322A (en) * 1947-03-06 1950-08-15 Stewart A Downs Molasses dispenser for cattle
US2837340A (en) * 1952-04-07 1958-06-03 Golda A Duncan Mechanical sound reproducing device
US2853146A (en) * 1955-02-07 1958-09-23 George A Coates Transmitter with vibratile air coupling
US3985201A (en) * 1974-10-24 1976-10-12 Kloster Glenn R Infinite sound reproduction chamber
US4039044A (en) * 1974-11-25 1977-08-02 Oskar Heil Low frequency electro-acoustic transducer with interconnected diaphragms interleaved with fixed diaphragms
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US6061461A (en) * 1998-05-08 2000-05-09 Paddock; Paul W. Audio transducer

Also Published As

Publication number Publication date
FR657396A (fr) 1929-05-22
GB295625A (en) 1929-08-29
US1672796A (en) 1928-06-05

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