JPS53110499A - Constitution of transmission and reception parts of ultrasonic alert device - Google Patents
Constitution of transmission and reception parts of ultrasonic alert deviceInfo
- Publication number
- JPS53110499A JPS53110499A JP2635577A JP2635577A JPS53110499A JP S53110499 A JPS53110499 A JP S53110499A JP 2635577 A JP2635577 A JP 2635577A JP 2635577 A JP2635577 A JP 2635577A JP S53110499 A JPS53110499 A JP S53110499A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- constitution
- reception parts
- alert device
- ultrasonic
- 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)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
PURPOSE: To form transmission and reception parts of good detection sensitivity capable of mounting to ceiling faces by superposing conical reflecting plates spacially to form a reflecting plate block and mounting transmitting and receiving elements each separately to the central part between each reflecting plate.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2635577A JPS6031309B2 (en) | 1977-03-09 | 1977-03-09 | Ultrasonic alarm transmitter/receiver configuration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2635577A JPS6031309B2 (en) | 1977-03-09 | 1977-03-09 | Ultrasonic alarm transmitter/receiver configuration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53110499A true JPS53110499A (en) | 1978-09-27 |
JPS6031309B2 JPS6031309B2 (en) | 1985-07-22 |
Family
ID=12191157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2635577A Expired JPS6031309B2 (en) | 1977-03-09 | 1977-03-09 | Ultrasonic alarm transmitter/receiver configuration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6031309B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164395U (en) * | 1980-05-06 | 1981-12-05 | ||
JP2009109381A (en) * | 2007-10-31 | 2009-05-21 | Furukawa Co Ltd | Ultrasonic positioning apparatus and ultrasonic wave receiving device |
-
1977
- 1977-03-09 JP JP2635577A patent/JPS6031309B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164395U (en) * | 1980-05-06 | 1981-12-05 | ||
JP2009109381A (en) * | 2007-10-31 | 2009-05-21 | Furukawa Co Ltd | Ultrasonic positioning apparatus and ultrasonic wave receiving device |
Also Published As
Publication number | Publication date |
---|---|
JPS6031309B2 (en) | 1985-07-22 |
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