JPS5272478A - Supersonic switch - Google Patents
Supersonic switchInfo
- Publication number
- JPS5272478A JPS5272478A JP50149810A JP14981075A JPS5272478A JP S5272478 A JPS5272478 A JP S5272478A JP 50149810 A JP50149810 A JP 50149810A JP 14981075 A JP14981075 A JP 14981075A JP S5272478 A JPS5272478 A JP S5272478A
- Authority
- JP
- Japan
- Prior art keywords
- supersonic switch
- supersonic
- switch
- 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
Landscapes
- Burglar Alarm Systems (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Traffic Control Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50149810A JPS5272478A (en) | 1975-12-15 | 1975-12-15 | Supersonic switch |
GB51467/76A GB1568229A (en) | 1975-12-15 | 1976-12-09 | Ultrasonic wave echo-type switch |
US05/749,072 US4131872A (en) | 1975-12-15 | 1976-12-09 | Ultrasonic wave echo-type switch |
DE2656256A DE2656256C3 (en) | 1975-12-15 | 1976-12-11 | Circuit arrangement for monitoring a room with ultrasound |
FR7637688A FR2335853A1 (en) | 1975-12-15 | 1976-12-14 | ULTRASONIC PULSE OBJECT DETECTION DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50149810A JPS5272478A (en) | 1975-12-15 | 1975-12-15 | Supersonic switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5272478A true JPS5272478A (en) | 1977-06-16 |
JPS5732843B2 JPS5732843B2 (en) | 1982-07-13 |
Family
ID=15483196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50149810A Granted JPS5272478A (en) | 1975-12-15 | 1975-12-15 | Supersonic switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5272478A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5585272A (en) * | 1978-12-22 | 1980-06-27 | Kooa Denshi Kogyo Kk | Body confirming device |
JPS57172623A (en) * | 1981-04-17 | 1982-10-23 | Tokyo Shibaura Electric Co | Automatic electricity-saving device |
JPS58150878A (en) * | 1982-03-03 | 1983-09-07 | Mitsubishi Electric Corp | Object detector |
JPS59104581A (en) * | 1982-12-06 | 1984-06-16 | Mitsui Constr Co Ltd | Measurement of distance in hole excavated underground |
JPS61139709A (en) * | 1984-12-12 | 1986-06-27 | Oki Electric Ind Co Ltd | Height detection system |
JPS6454278A (en) * | 1987-08-25 | 1989-03-01 | Matsushita Electric Works Ltd | Controller for snow melting apparatus |
-
1975
- 1975-12-15 JP JP50149810A patent/JPS5272478A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5585272A (en) * | 1978-12-22 | 1980-06-27 | Kooa Denshi Kogyo Kk | Body confirming device |
JPS6310398B2 (en) * | 1978-12-22 | 1988-03-07 | Kooa Denshi Kogyo Kk | |
JPS57172623A (en) * | 1981-04-17 | 1982-10-23 | Tokyo Shibaura Electric Co | Automatic electricity-saving device |
JPS6310796B2 (en) * | 1981-04-17 | 1988-03-09 | Tokyo Shibaura Electric Co | |
JPS58150878A (en) * | 1982-03-03 | 1983-09-07 | Mitsubishi Electric Corp | Object detector |
JPS59104581A (en) * | 1982-12-06 | 1984-06-16 | Mitsui Constr Co Ltd | Measurement of distance in hole excavated underground |
JPS61139709A (en) * | 1984-12-12 | 1986-06-27 | Oki Electric Ind Co Ltd | Height detection system |
JPH0583842B2 (en) * | 1984-12-12 | 1993-11-29 | Oki Electric Ind Co Ltd | |
JPS6454278A (en) * | 1987-08-25 | 1989-03-01 | Matsushita Electric Works Ltd | Controller for snow melting apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS5732843B2 (en) | 1982-07-13 |
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