CA968036A - Transducer drive circuit and signal generator - Google Patents
Transducer drive circuit and signal generatorInfo
- Publication number
- CA968036A CA968036A CA131,635A CA131635A CA968036A CA 968036 A CA968036 A CA 968036A CA 131635 A CA131635 A CA 131635A CA 968036 A CA968036 A CA 968036A
- Authority
- CA
- Canada
- Prior art keywords
- drive circuit
- signal generator
- transducer drive
- transducer
- generator
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10558371A | 1971-01-11 | 1971-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA968036A true CA968036A (en) | 1975-05-20 |
Family
ID=22306648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA131,635A Expired CA968036A (en) | 1971-01-11 | 1972-01-04 | Transducer drive circuit and signal generator |
Country Status (3)
Country | Link |
---|---|
US (1) | US3742492A (de) |
CA (1) | CA968036A (de) |
DE (1) | DE2201156C3 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890612A (en) * | 1973-09-28 | 1975-06-17 | Mallory & Co Inc P R | High output audible alarm device utilizing a piezoelectric transducer |
US4578650A (en) * | 1983-06-15 | 1986-03-25 | Watson Industries, Inc. | Resonance drive oscillator circuit |
US4697605A (en) * | 1984-08-29 | 1987-10-06 | Smc Metal Tech Co., Ltd. | Contact lens cleaning apparatus |
GB8421836D0 (en) * | 1984-08-29 | 1984-10-03 | Smc Metal Tech Co Ltd | Contact lens cleaning apparatus |
JPS6280301A (ja) * | 1985-10-03 | 1987-04-13 | Yamatake Honeywell Co Ltd | 電気−空気圧変換器 |
US4935909A (en) * | 1986-12-10 | 1990-06-19 | Emhart Industries Inc. | Piezoelectric signaling device |
US5095890A (en) * | 1988-02-09 | 1992-03-17 | Mettler Electronics Corp. | Method for sampled data frequency control of an ultrasound power generating system |
US4966131A (en) * | 1988-02-09 | 1990-10-30 | Mettler Electronics Corp. | Ultrasound power generating system with sampled-data frequency control |
JPH0831635B2 (ja) * | 1989-05-12 | 1996-03-27 | 富士電機株式会社 | ピエゾアクチュエータの駆動電源装置 |
US4954805A (en) * | 1990-02-06 | 1990-09-04 | General Signal Corporation | Piezo electronic horn |
US5371427A (en) * | 1991-03-12 | 1994-12-06 | Nikon Corporation | Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device |
US6160245A (en) * | 1999-05-19 | 2000-12-12 | Maytag Corporation | Variable volume signaling device for an appliance |
US6417659B1 (en) | 2000-08-15 | 2002-07-09 | Systems Material Handling Co. | Electronic circuit for tuning vibratory transducers |
DE10340367B4 (de) * | 2003-09-02 | 2007-11-29 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Verbesserung des Schalldruckpegels eines Schallgebers |
US8513854B1 (en) * | 2012-03-29 | 2013-08-20 | General Electric Company | Piezoelectric driver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239776A (en) * | 1963-09-10 | 1966-03-08 | Ncr Co | Amplitude regulated oscillator circuit |
GB1101177A (en) * | 1965-08-16 | 1968-01-31 | Marconi Co Ltd | Improvements in or relating to transistor driven piezo-electric crystal oscillators |
US3324408A (en) * | 1965-11-23 | 1967-06-06 | Motorola Inc | Electronic siren including a shock excited resonant circuit |
US3559158A (en) * | 1968-08-12 | 1971-01-26 | Bruce H Bettcher | Transducer drive and underwater detector system |
US3621469A (en) * | 1969-08-21 | 1971-11-16 | Gen Electric | Voltage controlled oscillator |
US3569963A (en) * | 1969-10-06 | 1971-03-09 | Mallory & Co Inc P R | Audible alarm unit |
US3596206A (en) * | 1969-11-06 | 1971-07-27 | Walter J Loria | Transistor oscillator including ultrasonic generator crystal |
-
1971
- 1971-01-11 US US00105583A patent/US3742492A/en not_active Expired - Lifetime
-
1972
- 1972-01-04 CA CA131,635A patent/CA968036A/en not_active Expired
- 1972-01-11 DE DE2201156A patent/DE2201156C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2201156A1 (de) | 1972-08-03 |
DE2201156C3 (de) | 1980-06-26 |
DE2201156B2 (de) | 1979-10-18 |
US3742492A (en) | 1973-06-26 |
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