CH321177A - Trasduttore elettromagnetico selettivo passabanda - Google Patents
Trasduttore elettromagnetico selettivo passabandaInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices 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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2363853A1 (fr) * | 1976-09-01 | 1978-03-31 | Seiko Instr & Electronics | Transducteur electro-acoustique |
-
1954
- 1954-01-04 CH CH321177D patent/CH321177A/it unknown
Cited By (1)
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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