FR1311624A - Electroacoustic transformer - Google Patents

Electroacoustic transformer

Info

Publication number
FR1311624A
FR1311624A FR884545A FR884545A FR1311624A FR 1311624 A FR1311624 A FR 1311624A FR 884545 A FR884545 A FR 884545A FR 884545 A FR884545 A FR 884545A FR 1311624 A FR1311624 A FR 1311624A
Authority
FR
France
Prior art keywords
electroacoustic transformer
electroacoustic
transformer
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
FR884545A
Other languages
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 and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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
Priority claimed from DES72477A external-priority patent/DE1156109B/en
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR884545A priority Critical patent/FR1311624A/en
Application granted granted Critical
Publication of FR1311624A publication Critical patent/FR1311624A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
FR884545A 1961-02-10 1962-01-11 Electroacoustic transformer Expired FR1311624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR884545A FR1311624A (en) 1961-02-10 1962-01-11 Electroacoustic transformer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES72477A DE1156109B (en) 1961-02-10 1961-02-10 Electroacoustic transducer with an annular gap magnet system and resonator
FR884545A FR1311624A (en) 1961-02-10 1962-01-11 Electroacoustic transformer

Publications (1)

Publication Number Publication Date
FR1311624A true FR1311624A (en) 1962-12-07

Family

ID=25996336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884545A Expired FR1311624A (en) 1961-02-10 1962-01-11 Electroacoustic transformer

Country Status (1)

Country Link
FR (1) FR1311624A (en)

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