JPS57208419A - Ultrasonic wave sensor - Google Patents
Ultrasonic wave sensorInfo
- Publication number
- JPS57208419A JPS57208419A JP9300881A JP9300881A JPS57208419A JP S57208419 A JPS57208419 A JP S57208419A JP 9300881 A JP9300881 A JP 9300881A JP 9300881 A JP9300881 A JP 9300881A JP S57208419 A JPS57208419 A JP S57208419A
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic wave
- electrodes
- pressure
- pressure plate
- wave element
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/008—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means by using ultrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300881A JPS57208419A (en) | 1981-06-18 | 1981-06-18 | Ultrasonic wave sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300881A JPS57208419A (en) | 1981-06-18 | 1981-06-18 | Ultrasonic wave sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57208419A true JPS57208419A (en) | 1982-12-21 |
JPH023129B2 JPH023129B2 (ja) | 1990-01-22 |
Family
ID=14070365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9300881A Granted JPS57208419A (en) | 1981-06-18 | 1981-06-18 | Ultrasonic wave sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57208419A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006038312A1 (ja) * | 2004-09-30 | 2006-04-13 | Fuji Xerox Co., Ltd. | 無線応答装置および画像形成装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258946A (en) * | 1975-11-10 | 1977-05-14 | Yokogawa Hokushin Electric Corp | Displacement detector |
-
1981
- 1981-06-18 JP JP9300881A patent/JPS57208419A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258946A (en) * | 1975-11-10 | 1977-05-14 | Yokogawa Hokushin Electric Corp | Displacement detector |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006038312A1 (ja) * | 2004-09-30 | 2006-04-13 | Fuji Xerox Co., Ltd. | 無線応答装置および画像形成装置 |
JP2006108766A (ja) * | 2004-09-30 | 2006-04-20 | Fuji Xerox Co Ltd | 無線応答装置および画像形成装置 |
US8237545B2 (en) | 2004-09-30 | 2012-08-07 | Fuji Xerox Co., Ltd. | Wireless transponder and image forming device |
Also Published As
Publication number | Publication date |
---|---|
JPH023129B2 (ja) | 1990-01-22 |
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