CA930211A - Piezoelectric transducer and noise making device utilizing same - Google Patents
Piezoelectric transducer and noise making device utilizing sameInfo
- Publication number
- CA930211A CA930211A CA120842A CA120842A CA930211A CA 930211 A CA930211 A CA 930211A CA 120842 A CA120842 A CA 120842A CA 120842 A CA120842 A CA 120842A CA 930211 A CA930211 A CA 930211A
- Authority
- CA
- Canada
- Prior art keywords
- piezoelectric transducer
- making device
- device utilizing
- utilizing same
- noise making
- 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
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
- B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
- B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer
-
- 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
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6562270A | 1970-08-20 | 1970-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA930211A true CA930211A (en) | 1973-07-17 |
Family
ID=22063989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA120842A Expired CA930211A (en) | 1970-08-20 | 1971-08-18 | Piezoelectric transducer and noise making device utilizing same |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA930211A (en) |
DE (1) | DE2141643C3 (en) |
GB (1) | GB1333644A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778672A (en) * | 1972-07-27 | 1973-12-11 | Ponder & Best | Audible alert signal for an electronic flash unit |
CA1006969A (en) * | 1973-07-26 | 1977-03-15 | Lyle E. Shoot | Piezoelectric transducer |
CA1087004A (en) * | 1976-08-11 | 1980-10-07 | Michael J. Hampshire | Sound generator |
DE3013788C2 (en) * | 1980-04-10 | 1982-11-25 | Siemens AG, 1000 Berlin und 8000 München | Piezoceramic disc for a signal generator to generate an acoustic signal |
DE3833234C2 (en) * | 1988-09-30 | 1995-03-16 | Wolfgang Kessler | Procedure for calibrating or testing a piezoceramic transducer |
DE102017006181A1 (en) * | 2017-06-29 | 2019-01-03 | Diehl Metering Gmbh | Measuring device and method for determining a fluid size |
-
1971
- 1971-08-18 CA CA120842A patent/CA930211A/en not_active Expired
- 1971-08-19 DE DE19712141643 patent/DE2141643C3/en not_active Expired
- 1971-08-19 GB GB3901771A patent/GB1333644A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1333644A (en) | 1973-10-10 |
DE2141643A1 (en) | 1972-03-23 |
DE2141643C3 (en) | 1978-08-24 |
DE2141643B2 (en) | 1978-01-12 |
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