DK164950C - Aktiveringskobling for piezoelektriske lydgivere - Google Patents
Aktiveringskobling for piezoelektriske lydgivereInfo
- Publication number
- DK164950C DK164950C DK384884A DK384884A DK164950C DK 164950 C DK164950 C DK 164950C DK 384884 A DK384884 A DK 384884A DK 384884 A DK384884 A DK 384884A DK 164950 C DK164950 C DK 164950C
- Authority
- DK
- Denmark
- Prior art keywords
- sound generator
- piezoelectric sounders
- activation clutch
- clutch
- activation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
-
- 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
-
- 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
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Electrophonic Musical Instruments (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Circuit For Audible Band Transducer (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Electromechanical Clocks (AREA)
- Dc-Dc Converters (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833328907 DE3328907A1 (de) | 1983-08-10 | 1983-08-10 | Anregeschaltung fuer piezoelektrische schallgeber |
DE3328907 | 1983-08-10 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK384884D0 DK384884D0 (da) | 1984-08-09 |
DK384884A DK384884A (da) | 1985-02-11 |
DK164950B DK164950B (da) | 1992-09-21 |
DK164950C true DK164950C (da) | 1993-02-08 |
Family
ID=6206253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK384884A DK164950C (da) | 1983-08-10 | 1984-08-09 | Aktiveringskobling for piezoelektriske lydgivere |
Country Status (6)
Country | Link |
---|---|
US (1) | US4736192A (ja) |
EP (1) | EP0133570B1 (ja) |
JP (1) | JPS6055399A (ja) |
AT (1) | ATE52205T1 (ja) |
DE (2) | DE3328907A1 (ja) |
DK (1) | DK164950C (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023856A1 (de) * | 1990-07-27 | 1992-02-06 | Dornier Medizintechnik | Schaltkreis fuer einen piezowandler |
FR2697397A1 (fr) * | 1992-10-28 | 1994-04-29 | Philips Electronique Lab | Dispositif d'adaptation active d'impédance entre un transducteur ultrasonore et le générateur de signaux impulsionnels destinés à ce tranducteur. |
DE4241146C2 (de) * | 1992-12-07 | 1994-09-01 | Phoenix Contact Gmbh & Co | Elektronische Signaleinrichtung |
DE4446430C2 (de) * | 1994-12-23 | 1997-03-20 | Siemens Ag | Treiberschaltung für einen piezoelektrischen Ultraschallwandler |
DE19738146B4 (de) | 1997-09-01 | 2005-05-12 | Fresenius Ag | Ultraschallsender, insbesondere für einen Luftblasendetektor |
GB9722987D0 (en) | 1997-11-01 | 1998-01-07 | Stresswave Tech | Transducer assembly |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2219761B2 (de) * | 1972-04-21 | 1974-04-25 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Zahnärztliches Handstück |
DE2329740C3 (de) * | 1973-06-12 | 1978-04-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Ultraschallsender zur Fernbedienung von Rundfunk- und Fernsehgeräten |
IT1016752B (it) * | 1974-08-01 | 1977-06-20 | Fiat Spa | Circuito per il comando simultaneo impulsivo e la commutazione automa tica da trasmissione a ricezione per sistemi impieganti una plurali ta di trasduttori piezoelettrici ad ultrasuoni |
US4010447A (en) * | 1976-01-07 | 1977-03-01 | Zenith Radio Corporation | Signal transmitter using an active thick film substrate |
GB1571304A (en) * | 1976-02-24 | 1980-07-16 | Lucas Industries Ltd | Drive circuit for a piezo electric crystal |
JPS5744398Y2 (ja) * | 1977-05-26 | 1982-09-30 | ||
GB2054238B (en) * | 1977-10-11 | 1983-01-26 | Hall G L | Pest control apparatus |
US4164735A (en) * | 1977-10-17 | 1979-08-14 | General Electric Company | Piezoelectric audible indicator circuit |
DE3048632A1 (de) * | 1980-12-23 | 1982-07-22 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer piezoelektrisches stellglied und dergleichen |
JPS57210396A (en) * | 1981-06-22 | 1982-12-23 | Seiko Instr & Electronics | Piezo-electric buzzer driving system |
JPS5816294A (ja) * | 1981-07-23 | 1983-01-29 | セイコーインスツルメンツ株式会社 | 圧電ブザー付電子機器 |
-
1983
- 1983-08-10 DE DE19833328907 patent/DE3328907A1/de not_active Withdrawn
-
1984
- 1984-06-19 US US06/622,127 patent/US4736192A/en not_active Expired - Fee Related
- 1984-08-06 JP JP59164722A patent/JPS6055399A/ja active Granted
- 1984-08-07 AT AT84109368T patent/ATE52205T1/de not_active IP Right Cessation
- 1984-08-07 DE DE8484109368T patent/DE3482032D1/de not_active Expired - Fee Related
- 1984-08-07 EP EP84109368A patent/EP0133570B1/de not_active Expired - Lifetime
- 1984-08-09 DK DK384884A patent/DK164950C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0133570B1 (de) | 1990-04-25 |
JPS6055399A (ja) | 1985-03-30 |
DE3328907A1 (de) | 1985-02-28 |
EP0133570A3 (en) | 1986-06-11 |
ATE52205T1 (de) | 1990-05-15 |
US4736192A (en) | 1988-04-05 |
EP0133570A2 (de) | 1985-02-27 |
JPH0472239B2 (ja) | 1992-11-17 |
DK384884A (da) | 1985-02-11 |
DK164950B (da) | 1992-09-21 |
DE3482032D1 (de) | 1990-05-31 |
DK384884D0 (da) | 1984-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE15554T1 (de) | Schaltung fuer wechselweises aussenden und empfangen mit nur einem schallgeber-wandler. | |
FR2435029B1 (ja) | ||
SE8405766D0 (sv) | Anordning for drift av en piezoelektrisk ultraljudgenerator | |
SE8505310L (sv) | Vagenergigenerator | |
DK164950C (da) | Aktiveringskobling for piezoelektriske lydgivere | |
CH629067B (fr) | Avertisseur acoustique a excitation electronique. | |
FR2277438B1 (ja) | ||
US4023162A (en) | Electronic buzzer | |
HK88485A (en) | Watch having a piezo-electric buzzer | |
GB2104257B (en) | A timepiece having a piezo-electric buzzer | |
DE69524081D1 (de) | Generator zur Erzeugung von elektromagnetischen Wellen | |
ATE31375T1 (de) | Verfahren und vorrichtung zur uebertragung akustischer informationen als fuehlbare vibrationen. | |
GB2008814B (en) | Electronic timepiece | |
SU502482A1 (ru) | Электромеханический фильтр на поверхностных акустических волнах | |
GB2077963B (en) | Electronic timepiece | |
JPS5699090A (en) | Ultrasonic-wave welding set | |
SU1402924A1 (ru) | Устройство дл регистрации сигналов акустической эмиссии | |
SU776961A1 (ru) | Электромагнитный вибропривод питател | |
YU159382A (en) | Electronic ultrasound generator with an automatic searching of the resonant frequency of an ultrasonic transverter | |
NL7609606A (en) | Converter for LF oscillations into acoustic vibrations - has capacitor loudspeaker connected to coil centre tap with ends connected via switches | |
JPS57121343A (en) | Ultrasonic wave transmitting and receiving circuit | |
GB648403A (en) | Transducing device having an electromechanically responsive dielectric element | |
JPS5513521A (en) | Sound collector for ultrasonic wave utilizing reflection resonance | |
JPS53103771A (en) | Electronic timepiele | |
JPS5453520A (en) | Chatter detection method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |