JPS52108158A - Direction finder using sound wave - Google Patents
Direction finder using sound waveInfo
- Publication number
- JPS52108158A JPS52108158A JP2544176A JP2544176A JPS52108158A JP S52108158 A JPS52108158 A JP S52108158A JP 2544176 A JP2544176 A JP 2544176A JP 2544176 A JP2544176 A JP 2544176A JP S52108158 A JPS52108158 A JP S52108158A
- Authority
- JP
- Japan
- Prior art keywords
- sound wave
- direction finder
- finder
- sound
- wave
- 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.)
- Pending
Links
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2544176A JPS52108158A (en) | 1976-03-08 | 1976-03-08 | Direction finder using sound wave |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2544176A JPS52108158A (en) | 1976-03-08 | 1976-03-08 | Direction finder using sound wave |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52108158A true JPS52108158A (en) | 1977-09-10 |
Family
ID=12166078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2544176A Pending JPS52108158A (en) | 1976-03-08 | 1976-03-08 | Direction finder using sound wave |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52108158A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07229962A (en) * | 1994-02-18 | 1995-08-29 | Osaka Kiden Kk | Ultrasonic blind guidance apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445806A (en) * | 1968-01-03 | 1969-05-20 | Marine Acoustical Services Inc | Apparatus for providing a diver with directional perception |
JPS4916771U (en) * | 1972-05-17 | 1974-02-13 |
-
1976
- 1976-03-08 JP JP2544176A patent/JPS52108158A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445806A (en) * | 1968-01-03 | 1969-05-20 | Marine Acoustical Services Inc | Apparatus for providing a diver with directional perception |
JPS4916771U (en) * | 1972-05-17 | 1974-02-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07229962A (en) * | 1994-02-18 | 1995-08-29 | Osaka Kiden Kk | Ultrasonic blind guidance apparatus |
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