BE774774A - Production d'ondes sonores - Google Patents

Production d'ondes sonores

Info

Publication number
BE774774A
BE774774A BE774774A BE774774A BE774774A BE 774774 A BE774774 A BE 774774A BE 774774 A BE774774 A BE 774774A BE 774774 A BE774774 A BE 774774A BE 774774 A BE774774 A BE 774774A
Authority
BE
Belgium
Prior art keywords
sound wave
wave production
production
sound
wave
Prior art date
Application number
BE774774A
Other languages
English (en)
French (fr)
Inventor
N Hughes
Original Assignee
Energy Sciences 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 Energy Sciences Inc filed Critical Energy Sciences Inc
Publication of BE774774A publication Critical patent/BE774774A/xx

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
    • G10K5/00—Whistles
    • G10K5/02—Ultrasonic whistles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
BE774774A 1970-11-02 1971-10-29 Production d'ondes sonores BE774774A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8591170A 1970-11-02 1970-11-02
US00189206A US3831550A (en) 1970-11-02 1971-10-14 Sonic wave generation

Publications (1)

Publication Number Publication Date
BE774774A true BE774774A (fr) 1972-02-14

Family

ID=26773230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774774A BE774774A (fr) 1970-11-02 1971-10-29 Production d'ondes sonores

Country Status (7)

Country Link
US (1) US3831550A (xx)
AR (1) AR199875A1 (xx)
BE (1) BE774774A (xx)
CA (1) CA977453A (xx)
CH (1) CH571902A5 (xx)
IT (1) IT942761B (xx)
NL (1) NL7115081A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2353822A (en) * 1999-09-04 2001-03-07 Ford Global Tech Inc Injecting atomic nitrogen into i.c. engine combustion chamber to reduce NOx
CN110124976B (zh) * 2019-05-16 2024-05-17 中国计量大学 一种对排气进行二次利用的气动强声波发生装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2019596A (en) * 1932-09-28 1935-11-05 Broden John Gustaf Mauritz Acoustic signaling apparatus
US2364987A (en) * 1943-03-29 1944-12-12 Harry F Lee Atomizer for carburetors
US2755767A (en) * 1951-07-10 1956-07-24 Centre Nat Rech Scient High power generators of sounds and ultra-sounds
US3230923A (en) * 1962-11-21 1966-01-25 Sonic Dev Corp Sonic pressure wave generator
US3368577A (en) * 1964-12-04 1968-02-13 Marquardt Corp Fluid pressure amplifier
US3613452A (en) * 1965-06-30 1971-10-19 Honeywell Inc Control apparatus
US3432804A (en) * 1966-10-25 1969-03-11 Pitney Bowes Inc Fluid ultrasonic generator
US3581992A (en) * 1969-04-23 1971-06-01 Energy Sciences Inc Streaming
US3554443A (en) * 1969-04-23 1971-01-12 Energy Sciences Inc Phase-resonant streaming
US3600612A (en) * 1970-03-27 1971-08-17 Pitney Bowes Inc Transducer

Also Published As

Publication number Publication date
AR199875A1 (es) 1974-10-08
CA977453A (en) 1975-11-04
NL7115081A (xx) 1972-05-04
US3831550A (en) 1974-08-27
CH571902A5 (xx) 1976-01-30
IT942761B (it) 1973-04-02

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