JPS6120199B2 - - Google Patents
Info
- Publication number
- JPS6120199B2 JPS6120199B2 JP5874081A JP5874081A JPS6120199B2 JP S6120199 B2 JPS6120199 B2 JP S6120199B2 JP 5874081 A JP5874081 A JP 5874081A JP 5874081 A JP5874081 A JP 5874081A JP S6120199 B2 JPS6120199 B2 JP S6120199B2
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- impedance
- side plate
- sealed
- case
- 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
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002592 echocardiography Methods 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007799 cork Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
-
- 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
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5874081A JPS57173299A (en) | 1981-04-18 | 1981-04-18 | Sealed type ultrasonic wave transmitter and receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5874081A JPS57173299A (en) | 1981-04-18 | 1981-04-18 | Sealed type ultrasonic wave transmitter and receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57173299A JPS57173299A (en) | 1982-10-25 |
| JPS6120199B2 true JPS6120199B2 (de) | 1986-05-21 |
Family
ID=13092911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5874081A Granted JPS57173299A (en) | 1981-04-18 | 1981-04-18 | Sealed type ultrasonic wave transmitter and receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57173299A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60185182A (ja) * | 1984-03-05 | 1985-09-20 | Hitachi Ltd | 超音波レ−ダ− |
| US4964302A (en) * | 1984-09-25 | 1990-10-23 | Grahn Allen R | Tactile sensor |
| US5295120A (en) * | 1990-12-26 | 1994-03-15 | Westinghouse Electric Corp. | Hermetically sealed ultrasonic transducer system |
| US6268683B1 (en) * | 1999-02-26 | 2001-07-31 | M&Fc Holding Company | Transducer configurations and related method |
-
1981
- 1981-04-18 JP JP5874081A patent/JPS57173299A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57173299A (en) | 1982-10-25 |
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