FR1204832A - Electrolytic sensor for measuring devices and sound amplification - Google Patents

Electrolytic sensor for measuring devices and sound amplification

Info

Publication number
FR1204832A
FR1204832A FR1204832DA FR1204832A FR 1204832 A FR1204832 A FR 1204832A FR 1204832D A FR1204832D A FR 1204832DA FR 1204832 A FR1204832 A FR 1204832A
Authority
FR
France
Prior art keywords
measuring devices
sound amplification
electrolytic sensor
electrolytic
sensor
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
French (fr)
Inventor
Raoul-Paul Besson
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 FR1204832A publication Critical patent/FR1204832A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/028—Microphones with a fluid as resistance material
FR1204832D 1958-10-06 1958-10-06 Electrolytic sensor for measuring devices and sound amplification Expired FR1204832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1204832T 1958-10-06

Publications (1)

Publication Number Publication Date
FR1204832A true FR1204832A (en) 1960-01-28

Family

ID=9673045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1204832D Expired FR1204832A (en) 1958-10-06 1958-10-06 Electrolytic sensor for measuring devices and sound amplification

Country Status (1)

Country Link
FR (1) FR1204832A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000027166A2 (en) * 1998-11-02 2000-05-11 Sarnoff Corporation Transducer concepts for hearing aids and other devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000027166A2 (en) * 1998-11-02 2000-05-11 Sarnoff Corporation Transducer concepts for hearing aids and other devices
WO2000027166A3 (en) * 1998-11-02 2000-10-26 Sarnoff Corp Transducer concepts for hearing aids and other devices

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