JPS642188U - - Google Patents
Info
- Publication number
- JPS642188U JPS642188U JP9701587U JP9701587U JPS642188U JP S642188 U JPS642188 U JP S642188U JP 9701587 U JP9701587 U JP 9701587U JP 9701587 U JP9701587 U JP 9701587U JP S642188 U JPS642188 U JP S642188U
- Authority
- JP
- Japan
- Prior art keywords
- mixer
- transmitting
- transducer
- frequency
- local oscillator
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987097015U JPH0733186Y2 (ja) | 1987-06-23 | 1987-06-23 | 超音波送受信装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987097015U JPH0733186Y2 (ja) | 1987-06-23 | 1987-06-23 | 超音波送受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS642188U true JPS642188U (de) | 1989-01-09 |
JPH0733186Y2 JPH0733186Y2 (ja) | 1995-07-31 |
Family
ID=30963488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987097015U Expired - Lifetime JPH0733186Y2 (ja) | 1987-06-23 | 1987-06-23 | 超音波送受信装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0733186Y2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002210408A (ja) * | 2001-01-17 | 2002-07-30 | Furuno Electric Co Ltd | 超音波振動子の駆動装置および水中探知装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS561585A (en) * | 1979-06-18 | 1981-01-09 | Matsushita Electric Ind Co Ltd | Piezoelectric porcelain composition |
JPS57206869A (en) * | 1981-06-15 | 1982-12-18 | Koden Electronics Co Ltd | Transmitting device for ultrasonic pulse |
JPS58202880A (ja) * | 1982-05-20 | 1983-11-26 | Mitsubishi Electric Corp | パルスレ−ダ装置 |
JPS5975172A (ja) * | 1982-10-23 | 1984-04-27 | Japan Radio Co Ltd | ソナ−の送受波器駆動回路 |
JPS61165677A (ja) * | 1985-01-17 | 1986-07-26 | Mitsubishi Electric Corp | パルスレ−ダ装置 |
-
1987
- 1987-06-23 JP JP1987097015U patent/JPH0733186Y2/ja not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS561585A (en) * | 1979-06-18 | 1981-01-09 | Matsushita Electric Ind Co Ltd | Piezoelectric porcelain composition |
JPS57206869A (en) * | 1981-06-15 | 1982-12-18 | Koden Electronics Co Ltd | Transmitting device for ultrasonic pulse |
JPS58202880A (ja) * | 1982-05-20 | 1983-11-26 | Mitsubishi Electric Corp | パルスレ−ダ装置 |
JPS5975172A (ja) * | 1982-10-23 | 1984-04-27 | Japan Radio Co Ltd | ソナ−の送受波器駆動回路 |
JPS61165677A (ja) * | 1985-01-17 | 1986-07-26 | Mitsubishi Electric Corp | パルスレ−ダ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002210408A (ja) * | 2001-01-17 | 2002-07-30 | Furuno Electric Co Ltd | 超音波振動子の駆動装置および水中探知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0733186Y2 (ja) | 1995-07-31 |