CH321177A - Trasduttore elettromagnetico selettivo passabanda - Google Patents

Trasduttore elettromagnetico selettivo passabanda

Info

Publication number
CH321177A
CH321177A CH321177DA CH321177A CH 321177 A CH321177 A CH 321177A CH 321177D A CH321177D A CH 321177DA CH 321177 A CH321177 A CH 321177A
Authority
CH
Switzerland
Prior art keywords
bandpass
electromagnetic transducer
selective electromagnetic
selective
transducer
Prior art date
Application number
Other languages
English (en)
Inventor
Pepe Guglielmo
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Publication of CH321177A publication Critical patent/CH321177A/it

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
CH321177D 1953-02-09 1954-01-04 Trasduttore elettromagnetico selettivo passabanda CH321177A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT321177X 1953-02-09

Publications (1)

Publication Number Publication Date
CH321177A true CH321177A (it) 1957-04-30

Family

ID=11234926

Family Applications (1)

Application Number Title Priority Date Filing Date
CH321177D CH321177A (it) 1953-02-09 1954-01-04 Trasduttore elettromagnetico selettivo passabanda

Country Status (1)

Country Link
CH (1) CH321177A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363853A1 (fr) * 1976-09-01 1978-03-31 Seiko Instr & Electronics Transducteur electro-acoustique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363853A1 (fr) * 1976-09-01 1978-03-31 Seiko Instr & Electronics Transducteur electro-acoustique

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