Optical: systems and elements – Protection from moisture or foreign particle
Patent
1990-02-06
1992-09-15
Henry, Jon W.
Optical: systems and elements
Protection from moisture or foreign particle
B60R 106, G02B 7182
Patent
active
051483122
ABSTRACT:
The cleaning apparatus for removing foreign substances includes a spacer which is interconnected between a generally planar member and a vibrator, wherein the spacer provides a space for separating the generally planar member from the vibrator. The spacer allows the generally planar member to bend easily. Thus, a large amplitude of vibration can be obtained on the whole of the generally planar member.
REFERENCES:
patent: 3180626 (1965-04-01), Mettler
patent: 4387973 (1983-06-01), Martin
patent: 4768256 (1988-09-01), Motoda
patent: 4833373 (1989-05-01), Doi et al.
patent: 4929072 (1990-05-01), Fujie et al.
patent: 5012593 (1991-05-01), Okada et al.
patent: 5013888 (1991-05-01), Okada et al.
Fujie Naofumi
Imaizumi Tomoaki
Ito Koji
Kawai Taneichi
Aisin Seiki Kabushiki Kaisha
Henry Jon W.
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