JPS61167569U - - Google Patents
Info
- Publication number
- JPS61167569U JPS61167569U JP5151785U JP5151785U JPS61167569U JP S61167569 U JPS61167569 U JP S61167569U JP 5151785 U JP5151785 U JP 5151785U JP 5151785 U JP5151785 U JP 5151785U JP S61167569 U JPS61167569 U JP S61167569U
- Authority
- JP
- Japan
- Prior art keywords
- pointing
- width
- excitation signal
- forming device
- pointing direction
- 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
- 230000005284 excitation Effects 0.000 claims 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985051517U JPH0321495Y2 (https=) | 1985-04-06 | 1985-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985051517U JPH0321495Y2 (https=) | 1985-04-06 | 1985-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61167569U true JPS61167569U (https=) | 1986-10-17 |
| JPH0321495Y2 JPH0321495Y2 (https=) | 1991-05-10 |
Family
ID=30570639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985051517U Expired JPH0321495Y2 (https=) | 1985-04-06 | 1985-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321495Y2 (https=) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54105588A (en) * | 1978-02-07 | 1979-08-18 | Toshiba Corp | Ultrasonic transmitter-receiver |
| JPS5687878A (en) * | 1979-12-18 | 1981-07-16 | Marine Instr Co Ltd | Detecting method by acoustic wave |
| JPS57208482A (en) * | 1981-06-18 | 1982-12-21 | Matsushita Electric Works Ltd | Ultrasonic pulse switch |
| JPS5817386A (ja) * | 1981-07-23 | 1983-02-01 | Furuno Electric Co Ltd | 多数チヤンネルパルスの位相制御回路 |
-
1985
- 1985-04-06 JP JP1985051517U patent/JPH0321495Y2/ja not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54105588A (en) * | 1978-02-07 | 1979-08-18 | Toshiba Corp | Ultrasonic transmitter-receiver |
| JPS5687878A (en) * | 1979-12-18 | 1981-07-16 | Marine Instr Co Ltd | Detecting method by acoustic wave |
| JPS57208482A (en) * | 1981-06-18 | 1982-12-21 | Matsushita Electric Works Ltd | Ultrasonic pulse switch |
| JPS5817386A (ja) * | 1981-07-23 | 1983-02-01 | Furuno Electric Co Ltd | 多数チヤンネルパルスの位相制御回路 |
| US4485479A (en) * | 1981-07-23 | 1984-11-27 | Furuno Electric Co., Ltd. | Phase control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0321495Y2 (https=) | 1991-05-10 |