DD135792A1 - POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT - Google Patents
POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENTInfo
- Publication number
- DD135792A1 DD135792A1 DD20478378A DD20478378A DD135792A1 DD 135792 A1 DD135792 A1 DD 135792A1 DD 20478378 A DD20478378 A DD 20478378A DD 20478378 A DD20478378 A DD 20478378A DD 135792 A1 DD135792 A1 DD 135792A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- power circuit
- circuit switching
- alarm equipment
- ultrasonic alarm
- ultrasonic
- Prior art date
Links
Classifications
-
- 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
- B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric 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
- B06B2201/70—Specific application
- B06B2201/77—Atomizers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20478378A DD135792A1 (en) | 1978-04-14 | 1978-04-14 | POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT |
DE19792902253 DE2902253C2 (en) | 1978-04-14 | 1979-01-20 | Power oscillator circuit for ultrasonic aerosol devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20478378A DD135792A1 (en) | 1978-04-14 | 1978-04-14 | POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT |
Publications (1)
Publication Number | Publication Date |
---|---|
DD135792A1 true DD135792A1 (en) | 1979-05-23 |
Family
ID=5512218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD20478378A DD135792A1 (en) | 1978-04-14 | 1978-04-14 | POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT |
Country Status (2)
Country | Link |
---|---|
DD (1) | DD135792A1 (en) |
DE (1) | DE2902253C2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2535807A1 (en) * | 1975-08-11 | 1977-02-24 | Siemens Ag | Ultrasonic oscillator circuit for liquid spray - has coupling transformer between pulse circuit and piezoelectric oscillator |
JPS5744398Y2 (en) * | 1977-05-26 | 1982-09-30 |
-
1978
- 1978-04-14 DD DD20478378A patent/DD135792A1/en unknown
-
1979
- 1979-01-20 DE DE19792902253 patent/DE2902253C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2902253C2 (en) | 1983-07-28 |
DE2902253A1 (en) | 1979-10-25 |
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