FR855048A - Perfectionnements aux projecteurs ultra-sonores - Google Patents

Perfectionnements aux projecteurs ultra-sonores

Info

Publication number
FR855048A
FR855048A FR855048DA FR855048A FR 855048 A FR855048 A FR 855048A FR 855048D A FR855048D A FR 855048DA FR 855048 A FR855048 A FR 855048A
Authority
FR
France
Prior art keywords
projectors
ultrasonic
ultrasonic projectors
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
English (en)
French (fr)
Inventor
Charles Louis Florisson
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.)
Societe de Condensation et dApplications Mecaniques
Original Assignee
Societe de Condensation et dApplications Mecaniques
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 Societe de Condensation et dApplications Mecaniques filed Critical Societe de Condensation et dApplications Mecaniques
Application granted granted Critical
Publication of FR855048A publication Critical patent/FR855048A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
FR855048D 1938-10-28 1938-10-28 Perfectionnements aux projecteurs ultra-sonores Expired FR855048A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855048T 1938-10-28

Publications (1)

Publication Number Publication Date
FR855048A true FR855048A (fr) 1940-04-30

Family

ID=9328054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855048D Expired FR855048A (fr) 1938-10-28 1938-10-28 Perfectionnements aux projecteurs ultra-sonores

Country Status (2)

Country Link
BE (1) BE443841A (instruction)
FR (1) FR855048A (instruction)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899574C (de) * 1941-08-16 1953-12-14 Siemens Ag Piezoelektrischer Schwingungserzeuger
EP2333940A1 (fr) 2009-12-10 2011-06-15 Valeo Equipements Electriques Moteur Dispositif protège-balais pour démarreur de véhicule automobile et démarreur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899574C (de) * 1941-08-16 1953-12-14 Siemens Ag Piezoelektrischer Schwingungserzeuger
EP2333940A1 (fr) 2009-12-10 2011-06-15 Valeo Equipements Electriques Moteur Dispositif protège-balais pour démarreur de véhicule automobile et démarreur

Also Published As

Publication number Publication date
BE443841A (instruction)

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