JPH0257762U - - Google Patents
Info
- Publication number
- JPH0257762U JPH0257762U JP13666088U JP13666088U JPH0257762U JP H0257762 U JPH0257762 U JP H0257762U JP 13666088 U JP13666088 U JP 13666088U JP 13666088 U JP13666088 U JP 13666088U JP H0257762 U JPH0257762 U JP H0257762U
- Authority
- JP
- Japan
- Prior art keywords
- frequency band
- sweeps
- oscillation circuit
- removing device
- water droplet
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案水滴除去装置の裏面図、第２図
は駆動回路のブロツク図、第３図は電子回路図、
第４図および第５図は振動波形図である。
１……ミラーエレメント、２……振動子、３…
…駆動回路、４……発振器、５……スイープ回路
、６……増幅器、７……整合器、１５……プログ
ラマブルカウンタ。
Figure 1 is a back view of the water droplet removal device of the present invention, Figure 2 is a block diagram of the drive circuit, Figure 3 is an electronic circuit diagram,
FIGS. 4 and 5 are vibration waveform diagrams. 1... Mirror element, 2... Vibrator, 3...
...drive circuit, 4...oscillator, 5...sweep circuit, 6...amplifier, 7...matching box, 15...programmable counter.
Claims (1)
表面の水滴を除去する装置において、大水滴を霧
化・飛散させる第１の周波数帯と小波滴を霧化・
飛散させる第２の周波数帯をもつて振動子を発振
させる発振回路と前記両周波数帯をそれぞれスイ
ープさせるスイープ回路とを有することを特徴と
する水滴除去装置。 ２ 発振回路は第１の周波数帯をｎ１回繰返しス
イープさせ、次いで第２の周波数帯をｎ２回繰返
しスイープさせるプログラマブルカウンタを有し
ている請求項１記載の水滴除去装置。 ３ 発振回路は第１、第２周波数帯を交互に繰返
しスイープさせるプログラマブルカウンタを有し
ている請求項１記載の水滴除去装置。[Claims for Utility Model Registration] 1. In a device that removes water droplets on the mirror surface by driving a vibrator provided on the back surface of the mirror, a first frequency band for atomizing and scattering large water droplets and a first frequency band for atomizing and scattering small wave droplets are used.
A water droplet removing device comprising: an oscillation circuit that causes a vibrator to oscillate with a second frequency band to be scattered; and a sweep circuit that sweeps both of the frequency bands. 2. The water droplet removing device according to claim 1, wherein the oscillation circuit has a programmable counter that repeatedly sweeps the first frequency band n 1 times and then repeatedly sweeps the second frequency band n 2 times. 3. The water droplet removing device according to claim 1, wherein the oscillation circuit has a programmable counter that repeatedly sweeps the first and second frequency bands alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13666088U JPH0257762U (en) | 1988-10-21 | 1988-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13666088U JPH0257762U (en) | 1988-10-21 | 1988-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0257762U true JPH0257762U (en) | 1990-04-25 |
Family
ID=31397374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13666088U Pending JPH0257762U (en) | 1988-10-21 | 1988-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0257762U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238149A (en) * | 1986-04-09 | 1987-10-19 | Nissan Motor Co Ltd | Water drop removing device |
-
1988
- 1988-10-21 JP JP13666088U patent/JPH0257762U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238149A (en) * | 1986-04-09 | 1987-10-19 | Nissan Motor Co Ltd | Water drop removing device |
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