FR2321736A1 - Generateur d'ultrasons statique - Google Patents

Generateur d'ultrasons statique

Info

Publication number
FR2321736A1
FR2321736A1 FR7625112A FR7625112A FR2321736A1 FR 2321736 A1 FR2321736 A1 FR 2321736A1 FR 7625112 A FR7625112 A FR 7625112A FR 7625112 A FR7625112 A FR 7625112A FR 2321736 A1 FR2321736 A1 FR 2321736A1
Authority
FR
France
Prior art keywords
annular space
block
centre
tube
ultrasonic generator
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.)
Withdrawn
Application number
FR7625112A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2321736A1 publication Critical patent/FR2321736A1/fr
Withdrawn legal-status Critical Current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
    • 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)
  • Surgical Instruments (AREA)
FR7625112A 1975-08-22 1976-08-18 Generateur d'ultrasons statique Withdrawn FR2321736A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2537540A DE2537540C3 (de) 1975-08-22 1975-08-22 Statischer Ultraschallgenerator

Publications (1)

Publication Number Publication Date
FR2321736A1 true FR2321736A1 (fr) 1977-03-18

Family

ID=5954655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625112A Withdrawn FR2321736A1 (fr) 1975-08-22 1976-08-18 Generateur d'ultrasons statique

Country Status (10)

Country Link
JP (1) JPS5226822A (da)
BE (1) BE845386A (da)
DE (1) DE2537540C3 (da)
DK (1) DK289976A (da)
FR (1) FR2321736A1 (da)
IT (1) IT1066986B (da)
LU (1) LU74963A1 (da)
NL (1) NL7606843A (da)
NO (1) NO762560L (da)
SE (1) SE7608707L (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8925478B2 (en) * 2012-05-01 2015-01-06 Curtis E. Graber Directional isophasic toroidal whistle
CN110730042B (zh) * 2019-07-30 2021-02-19 深圳先进技术研究院 一种通信方法及装置

Also Published As

Publication number Publication date
DE2537540B2 (de) 1977-09-01
JPS5226822A (en) 1977-02-28
DK289976A (da) 1977-02-23
LU74963A1 (da) 1977-01-18
SE7608707L (sv) 1977-02-23
IT1066986B (it) 1985-03-12
BE845386A (fr) 1976-12-16
NO762560L (da) 1977-02-23
DE2537540C3 (de) 1978-05-18
DE2537540A1 (de) 1977-02-24
NL7606843A (nl) 1977-02-24

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Legal Events

Date Code Title Description
ST Notification of lapse