FR861601A - Relais phono-électrique - Google Patents

Relais phono-électrique

Info

Publication number
FR861601A
FR861601A FR861601DA FR861601A FR 861601 A FR861601 A FR 861601A FR 861601D A FR861601D A FR 861601DA FR 861601 A FR861601 A FR 861601A
Authority
FR
France
Prior art keywords
phono
electric relay
relay
electric
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)
Inventor
Gaston Beauvais
Jacques Simon Monys-Levy
Rene Salomon Oppenheimer
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 filed Critical
Application granted granted Critical
Publication of FR861601A publication Critical patent/FR861601A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Building Environments (AREA)
  • Physical Water Treatments (AREA)
  • Burglar Alarm Systems (AREA)
FR861601D 1939-04-25 1939-04-25 Relais phono-électrique Expired FR861601A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861601T 1939-04-25

Publications (1)

Publication Number Publication Date
FR861601A true FR861601A (fr) 1941-02-13

Family

ID=9340919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861601D Expired FR861601A (fr) 1939-04-25 1939-04-25 Relais phono-électrique

Country Status (2)

Country Link
FR (1) FR861601A (fr)
GB (1) GB575731A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014202932A1 (de) 2014-02-18 2015-08-20 Robert Bosch Gmbh Schaltvorrichtung für eine Batterie, sowie Batterie mit einer derartigen Schaltvorrichtung

Also Published As

Publication number Publication date
GB575731A (en) 1946-03-04

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