JPH0248451U - - Google Patents
Info
- Publication number
- JPH0248451U JPH0248451U JP12656288U JP12656288U JPH0248451U JP H0248451 U JPH0248451 U JP H0248451U JP 12656288 U JP12656288 U JP 12656288U JP 12656288 U JP12656288 U JP 12656288U JP H0248451 U JPH0248451 U JP H0248451U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- plate
- water droplet
- present
- piezoelectric vibrator
- 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 4
- 230000008602 contraction Effects 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図は本考案の好ましい第一実施例を描いた
平面図である。第２図は第１図のＡ−Ａ断面図で
ある。第３図は本考案の第一実施例に適用された
圧電振動子の分解斜視図である。第４図は第３図
に示された圧電振動子の分極処理について説明し
た説明図である。第５ａ図と第５ｂ図は本考案の
第一実施例の動作を示した説明図である。第６図
は本考案の第二実施例に適用された圧電振動子の
分解斜視図である。第７図は従来の水滴除去装置
の一例を描いた断面図である。
１１……ミラー（板状部材）、１１ａ……裏面
、１１ｂ……反射面、２０……圧電振動子（振動
子）、２１，２２……平行平板電極、２３……電
歪素子、２３ａ……分極部、２３ｂ……非分極部
、２４，２５……銀電極、３０……接着層、４１
，４２……リード線。
FIG. 1 is a plan view depicting a first preferred embodiment of the present invention. FIG. 2 is a sectional view taken along the line AA in FIG. 1. FIG. 3 is an exploded perspective view of a piezoelectric vibrator applied to the first embodiment of the present invention. FIG. 4 is an explanatory diagram illustrating the polarization process of the piezoelectric vibrator shown in FIG. 3. Figures 5a and 5b are explanatory views showing the operation of the first embodiment of the present invention. FIG. 6 is an exploded perspective view of a piezoelectric vibrator applied to a second embodiment of the present invention. FIG. 7 is a sectional view depicting an example of a conventional water droplet removing device. DESCRIPTION OF SYMBOLS 11... Mirror (plate-shaped member), 11a... Back surface, 11b... Reflective surface, 20... Piezoelectric vibrator (vibrator), 21, 22... Parallel plate electrode, 23... Electrostrictive element, 23a... ...Polarized part, 23b...Non-polarized part, 24, 25...Silver electrode, 30...Adhesive layer, 41
, 42... Lead wire.
Claims (1)
を備え、該振動子によつて前記板状部材を振動さ
せて水滴を除去する水滴除去装置において、 前記振動子の外周部に電歪効果による伸縮が発
生しない非分極部を形成した水滴除去装置。[Claims for Utility Model Registration] A water droplet removal device comprising a plate-like member and a vibrator bonded to the plate-like member, and for removing water droplets by vibrating the plate-like member with the vibrator, A water droplet removing device, in which a non-polarized portion is formed on the outer periphery of the vibrator so that no expansion or contraction occurs due to an electrostrictive effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656288U JPH0248451U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656288U JPH0248451U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248451U true JPH0248451U (en) | 1990-04-04 |
Family
ID=31378199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12656288U Pending JPH0248451U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04102680U (en) * | 1991-02-14 | 1992-09-04 | 株式会社東海理化電機製作所 | ultrasonic transducer |
-
1988
- 1988-09-28 JP JP12656288U patent/JPH0248451U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04102680U (en) * | 1991-02-14 | 1992-09-04 | 株式会社東海理化電機製作所 | ultrasonic transducer |
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