NO792753L - ELECTROACUSTIC TRANSDUCERS. - Google Patents
ELECTROACUSTIC TRANSDUCERS.Info
- Publication number
- NO792753L NO792753L NO792753A NO792753A NO792753L NO 792753 L NO792753 L NO 792753L NO 792753 A NO792753 A NO 792753A NO 792753 A NO792753 A NO 792753A NO 792753 L NO792753 L NO 792753L
- Authority
- NO
- Norway
- Prior art keywords
- electroacustic
- transducers
- electroacustic transducers
- Prior art date
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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2839091A DE2839091C2 (en) | 1978-09-08 | 1978-09-08 | Electroacoustic converter |
Publications (3)
Publication Number | Publication Date |
---|---|
NO792753L true NO792753L (en) | 1980-03-11 |
NO145554B NO145554B (en) | 1982-01-04 |
NO145554C NO145554C (en) | 1982-04-14 |
Family
ID=6048942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO792753A NO145554C (en) | 1978-09-08 | 1979-08-24 | ELECTROACUSTIC TRANSDUCERS |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5547796A (en) |
DE (1) | DE2839091C2 (en) |
NO (1) | NO145554C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5661868A (en) * | 1979-10-23 | 1981-05-27 | Mitsubishi Electric Corp | Contour compensating circuit for picture signal |
DE8805953U1 (en) * | 1988-05-05 | 1988-07-07 | Höntzsch GmbH, 71334 Waiblingen | Electroacoustic transducer |
DE4027949A1 (en) * | 1990-09-04 | 1992-03-05 | Honeywell Elac Nautik Gmbh | Underwater electroacoustic converter - comprises piezoelectric vibrator with sound head on radiation side and cylindrical housing enclosing vibrator |
-
1978
- 1978-09-08 DE DE2839091A patent/DE2839091C2/en not_active Expired
-
1979
- 1979-08-24 NO NO792753A patent/NO145554C/en unknown
- 1979-09-07 JP JP11436779A patent/JPS5547796A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
NO145554B (en) | 1982-01-04 |
JPS5547796A (en) | 1980-04-04 |
DE2839091B1 (en) | 1979-07-12 |
DE2839091C2 (en) | 1980-03-13 |
NO145554C (en) | 1982-04-14 |
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