FR1449728A - Improvements to sound generators and ultrasound - Google Patents

Improvements to sound generators and ultrasound

Info

Publication number
FR1449728A
FR1449728A FR20092A FR20092A FR1449728A FR 1449728 A FR1449728 A FR 1449728A FR 20092 A FR20092 A FR 20092A FR 20092 A FR20092 A FR 20092A FR 1449728 A FR1449728 A FR 1449728A
Authority
FR
France
Prior art keywords
ultrasound
improvements
sound generators
generators
sound
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
FR20092A
Other languages
French (fr)
Inventor
Robert Levavasseur
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR20092A priority Critical patent/FR1449728A/en
Application granted granted Critical
Publication of FR1449728A publication Critical patent/FR1449728A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00Whistles
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00Whistles
    • G10K5/02Ultrasonic whistles
FR20092A 1965-06-09 1965-06-09 Improvements to sound generators and ultrasound Expired FR1449728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR20092A FR1449728A (en) 1965-06-09 1965-06-09 Improvements to sound generators and ultrasound

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR20092A FR1449728A (en) 1965-06-09 1965-06-09 Improvements to sound generators and ultrasound
US3463716D US3463716A (en) 1965-06-09 1966-06-03 Sound and ultra-sound generators
DE19661497771 DE1497771A1 (en) 1965-06-09 1966-06-08 A device for generating sound or ultrasound waves
GB2578066A GB1150549A (en) 1965-06-09 1966-06-09 Improvements in Sonic and Ultra-Sonic Generators

Publications (1)

Publication Number Publication Date
FR1449728A true FR1449728A (en) 1966-05-06

Family

ID=8581341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20092A Expired FR1449728A (en) 1965-06-09 1965-06-09 Improvements to sound generators and ultrasound

Country Status (4)

Country Link
US (1) US3463716A (en)
DE (1) DE1497771A1 (en)
FR (1) FR1449728A (en)
GB (1) GB1150549A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515093A (en) * 1967-05-10 1970-06-02 Electronic Eng Co California Pressure wave generator
FR2471646A1 (en) * 1979-12-12 1981-06-19 Alexandre Jean Pierre Musical pipe wind instrument - has organ pipes played by annular air jet with valve and sliding stop
FR2474888A1 (en) * 1980-01-31 1981-08-07 Seudia Ultrasonic nozzle for mfg. emulsions - esp. for dispersing air of combustion in liq. fuel being fed to burner
WO1983000446A1 (en) * 1981-07-28 1983-02-17 SCHAUFFLER, Noël (deceased) Method, devices and application for producing emulsions by ultra sonic whistles

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3658268A (en) * 1970-10-30 1972-04-25 Du Pont Apparatus for shocking materials
WO2007128318A1 (en) * 2006-05-10 2007-11-15 Force Technology Method, device and system for enhancing combustion of solid objects
DE102016120454A1 (en) * 2016-10-26 2018-04-26 Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) Method and device for examining a sample

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674528A (en) * 1951-01-22 1954-04-06 Gen Aniline & Film Corp Production of metal carbonyl powders of small size
BE545209A (en) * 1955-02-14
US2938781A (en) * 1957-12-27 1960-05-31 Gen Aniline & Film Corp Production of magnetic iron particles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515093A (en) * 1967-05-10 1970-06-02 Electronic Eng Co California Pressure wave generator
FR2471646A1 (en) * 1979-12-12 1981-06-19 Alexandre Jean Pierre Musical pipe wind instrument - has organ pipes played by annular air jet with valve and sliding stop
FR2474888A1 (en) * 1980-01-31 1981-08-07 Seudia Ultrasonic nozzle for mfg. emulsions - esp. for dispersing air of combustion in liq. fuel being fed to burner
WO1983000446A1 (en) * 1981-07-28 1983-02-17 SCHAUFFLER, Noël (deceased) Method, devices and application for producing emulsions by ultra sonic whistles

Also Published As

Publication number Publication date
DE1497771A1 (en) 1969-10-16
GB1150549A (en) 1969-04-30
US3463716A (en) 1969-08-26

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