CA928109A - Piezoelectric signaling device - Google Patents
Piezoelectric signaling deviceInfo
- Publication number
- CA928109A CA928109A CA134313A CA134313A CA928109A CA 928109 A CA928109 A CA 928109A CA 134313 A CA134313 A CA 134313A CA 134313 A CA134313 A CA 134313A CA 928109 A CA928109 A CA 928109A
- Authority
- CA
- Canada
- Prior art keywords
- signaling device
- piezoelectric signaling
- piezoelectric
- signaling
- 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
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
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
- G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
- G10K1/064—Operating or striking mechanisms therefor
- G10K1/0645—Operating or striking mechanisms therefor provided with loudness adjustment
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13854171A | 1971-04-29 | 1971-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA928109A true CA928109A (en) | 1973-06-12 |
Family
ID=22482494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA134313A Expired CA928109A (en) | 1971-04-29 | 1972-02-09 | Piezoelectric signaling device |
Country Status (2)
Country | Link |
---|---|
US (1) | US3671958A (en) |
CA (1) | CA928109A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4337461A (en) * | 1979-07-10 | 1982-06-29 | Plessey Handel Und Investments A.G. | Volume control mechanism for a bell assembly |
US5550319A (en) * | 1991-10-04 | 1996-08-27 | M. H. Segan Limited Partnership | Decorative display and ornament therefor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468474A (en) * | 1948-02-07 | 1949-04-26 | Bell Telephone Labor Inc | Sound regulator for telephone ringers |
US3500393A (en) * | 1965-10-21 | 1970-03-10 | Int Standard Electric Corp | Balanced armature magnetic percussion sounding device |
US3445843A (en) * | 1966-06-29 | 1969-05-20 | Automatic Elect Lab | Piezoelectric signaling device |
-
1971
- 1971-04-29 US US138541A patent/US3671958A/en not_active Expired - Lifetime
-
1972
- 1972-02-09 CA CA134313A patent/CA928109A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3671958A (en) | 1972-06-20 |
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