Ultrasonic rearview mirror

Optical: systems and elements – Protection from moisture or foreign particle

Patent

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Details

310322, 310323, 310331, 310332, 310335, 310369, 15250003, G02B 508, B08B 702, B60S 102, H01L 4108

Patent

active

057241864

ABSTRACT:
A device for use in vehicular rear view mirrors which comprises a mirror and a vibrator so arranged to propagate pressure waves or vibrations in the mirror primarily perpendicular to the plane of the mirror. The vibrations are of sufficient magnitude as to cause water droplets to leave the surface of the mirror by atomization of the fine droplets or by the running together of droplets and subsequent dripping off by gravity. The bonds between the mirror face and other solid deposits including ice are quickly broken allowing the debris to fall clear, thus enhancing the clarity of vision of the mirror. The vibrators are ceramic piezoelectric transducers mounted in a Bi-Morph configuration directly on the back of the mirror.

REFERENCES:
patent: 4276491 (1981-06-01), Daniel
patent: 4387973 (1983-06-01), Martin
patent: 4833373 (1989-05-01), Doi et al.
patent: 4929072 (1990-05-01), Fujie et al.
patent: 5007722 (1991-04-01), Mori et al.
patent: 5012593 (1991-05-01), Okada et al.
patent: 5013888 (1991-05-01), Okada et al.
patent: 5025187 (1991-06-01), Fujie et al.
patent: 5037189 (1991-08-01), Fujie et al.
patent: 5076854 (1991-12-01), Honda et al.
patent: 5132840 (1992-07-01), Okada et al.
patent: 5136425 (1992-08-01), Fujie et al.
patent: 5148312 (1992-09-01), Kawai et al.
patent: 5155625 (1992-10-01), Komatsu et al.
patent: 5166825 (1992-11-01), Fujie et al.
patent: 5233467 (1993-08-01), Ogasawara
patent: 5418643 (1995-05-01), Ogasawara et al.
patent: 5475530 (1995-12-01), Fujie et al.
patent: 5638209 (1997-06-01), Okada et al.
R. C. Buchanan; "Ceramic Materials for Electronics"; pp. 186-191.
Naofumi Fujie, Shoji Okada, Kazuya Tanaka, Tatsuo Toyoda, Gosaku Terabayashi; "Mirror with Ultra Sonic Vibrating Water Cleaner"; Feb. 24, 1992, pp. 1-7.

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