FR1427604A - New vibrating blade acoustic wave projector - Google Patents

New vibrating blade acoustic wave projector

Info

Publication number
FR1427604A
FR1427604A FR831905A FR831905A FR1427604A FR 1427604 A FR1427604 A FR 1427604A FR 831905 A FR831905 A FR 831905A FR 831905 A FR831905 A FR 831905A FR 1427604 A FR1427604 A FR 1427604A
Authority
FR
France
Prior art keywords
acoustic wave
vibrating blade
wave projector
new vibrating
blade acoustic
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
FR831905A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR831905A priority Critical patent/FR1427604A/en
Priority to GB2156561A priority patent/GB1022881A/en
Application granted granted Critical
Publication of FR1427604A publication Critical patent/FR1427604A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/20—Sounding members
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR831905A 1960-07-04 1960-07-04 New vibrating blade acoustic wave projector Expired FR1427604A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR831905A FR1427604A (en) 1960-07-04 1960-07-04 New vibrating blade acoustic wave projector
GB2156561A GB1022881A (en) 1960-07-04 1961-06-14 Improvements in vibrating diaphragm sound wave-projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831905A FR1427604A (en) 1960-07-04 1960-07-04 New vibrating blade acoustic wave projector

Publications (1)

Publication Number Publication Date
FR1427604A true FR1427604A (en) 1966-02-11

Family

ID=8734761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831905A Expired FR1427604A (en) 1960-07-04 1960-07-04 New vibrating blade acoustic wave projector

Country Status (2)

Country Link
FR (1) FR1427604A (en)
GB (1) GB1022881A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218575A (en) * 1992-09-04 1993-06-08 Milltronics Ltd. Acoustic transducer
CH704183A2 (en) 2010-12-02 2012-06-15 Montres Breguet Sa Acoustic radiation membrane for e.g. music watch, has cavities or projecting portions formed in form of honeycomb, where shape and dimensions of cavities are adapted based on type of material as well as notes to be radiated by membrane

Also Published As

Publication number Publication date
GB1022881A (en) 1966-03-16

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