FR766483A - Improvements to electro-acoustic translator devices - Google Patents

Improvements to electro-acoustic translator devices

Info

Publication number
FR766483A
FR766483A FR766483DA FR766483A FR 766483 A FR766483 A FR 766483A FR 766483D A FR766483D A FR 766483DA FR 766483 A FR766483 A FR 766483A
Authority
FR
France
Prior art keywords
electro
translator devices
acoustic
acoustic translator
devices
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)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR766483A publication Critical patent/FR766483A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR766483D 1933-01-06 1934-01-04 Improvements to electro-acoustic translator devices Expired FR766483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US650391A US1967223A (en) 1933-01-06 1933-01-06 Vibration transmitting device

Publications (1)

Publication Number Publication Date
FR766483A true FR766483A (en) 1934-06-28

Family

ID=24608704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766483D Expired FR766483A (en) 1933-01-06 1934-01-04 Improvements to electro-acoustic translator devices

Country Status (4)

Country Link
US (1) US1967223A (en)
BE (1) BE400733A (en)
FR (1) FR766483A (en)
GB (1) GB430921A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004232B (en) * 1952-11-18 1957-03-14 Ernst Romen Seamless membrane made of fiber, especially for loudspeakers

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518805A (en) * 1945-08-24 1950-08-15 Massa Frank Resonant chamber for microphones
US2713396A (en) * 1950-05-24 1955-07-19 Ernest A Tavares Novel, small, extended low frequency response, loudspeaker enclosure
US2820526A (en) * 1952-07-10 1958-01-21 Ernest A Tavares Sound producing system
US2805729A (en) * 1953-09-15 1957-09-10 Read Oliver Loudspeaker enclosure
GB765183A (en) * 1954-01-05 1957-01-02 Donald Maynard Chave Improvements in or relating to loudspeakers
US2903084A (en) * 1956-06-14 1959-09-08 Howard R Johnson Speaker assembly
US3151699A (en) * 1963-04-10 1964-10-06 Hartley D Peavey Portable sounding apparatus
US3403235A (en) * 1965-03-17 1968-09-24 Newmarkets Inc Wide-range loudspeaker
US3410400A (en) * 1965-11-26 1968-11-12 Allen Bradley Co Reciprocating air column sifter
US3845246A (en) * 1973-03-28 1974-10-29 Gte Sylvania Inc Speaker system
US6700987B2 (en) * 2000-08-25 2004-03-02 Matsushita Electric Industrial Co., Ltd. Loudspeaker
US7073624B2 (en) * 2002-07-31 2006-07-11 Harman International Industries, Incorporated Loudspeaker baffle isolation system
JP4594127B2 (en) * 2005-02-17 2010-12-08 パイオニア株式会社 Frame for speaker device and speaker device
JP2006229517A (en) * 2005-02-17 2006-08-31 Pioneer Electronic Corp Frame for speaker device, and speaker device
US8276706B2 (en) * 2008-06-27 2012-10-02 Rgb Systems, Inc. Method and apparatus for a loudspeaker assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004232B (en) * 1952-11-18 1957-03-14 Ernst Romen Seamless membrane made of fiber, especially for loudspeakers

Also Published As

Publication number Publication date
GB430921A (en) 1935-06-27
BE400733A (en)
US1967223A (en) 1934-07-24

Similar Documents

Publication Publication Date Title
FR827344A (en) Improvements to vibrating devices.
FR766483A (en) Improvements to electro-acoustic translator devices
FR777114A (en) Improvements to traction devices
FR768948A (en) Electro-acoustic translator devices
FR772911A (en) Improvements to television devices
FR768373A (en) Improvements to acoustic devices
FR807231A (en) Improvements to television devices
FR773812A (en) Improvements to electrolytic devices
FR780952A (en) Improvements to electroacoustic transformation devices
FR772191A (en) Improvements to sheet-filling devices
FR792777A (en) Improvements to vibratory devices
FR776667A (en) Improvements to presses
FR771920A (en) Improvements to electrodes for electro-medical devices
FR768415A (en) Improvements to television devices
FR772017A (en) Improvements to thermoelectric devices
FR771451A (en) Improvements to winding devices
FR793869A (en) Improvements to copying devices
FR785235A (en) Improvements to piezoelectric devices
FR44304E (en) Improvements to photo-sensitive devices
FR768887A (en) Improvements to vibrating devices
FR782720A (en) Improvements to connection devices
FR770555A (en) Improvements to electrolytic devices
FR770969A (en) Improvements to magnetic devices
FR775876A (en) Improvements to manometric devices
FR760961A (en) Improvements to hearing devices