FEED WATER CONTROLLER

Title:

FEED WATER CONTROLLER

Document Type and Number:

WIPO Patent Application WO/1990/009491

Kind Code:

A1

Abstract:

A feed water controller according to the present invention is provided with a means for driving a feed water faucet so that water can be fed, a means capable of emitting light intermittently at least at a first cycle, a means which is capable of receiving the portion of the light from the light emitting means which is reflected on a part of the body of a user of the faucet, and which is adapted to output a signal of what is detected, i.e. the presence or absence of such reflected light, and a means for controlling the faucet via the faucet driving means on the basis of the detected signal from the light receiving means. Especially, the control means mentioned above consists of an auxiliary light generating means capable of causing the above-mentioned light emitting means to emit light a plurality of times at a second cycle shorter than the first cycle, on the basis of the signal from the light receiving means, and a judgement means adapted to output a control signal to the faucet driving means so as to control the faucet on the basis of the number of light receptions by the light receiving means, which are out of a plurality of light emissions by the auxiliary light generating means via the light emitting means.

Inventors:

TSUTSUI OSAMU (JP)
YOSHIDA TAKAO (JP)
INOUE SHOJI (JP)

Application Number:

PCT/JP1990/000149

Publication Date:

August 23, 1990

Filing Date:

February 07, 1990

Export Citation:

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Assignee:

TOTO LTD (JP)

International Classes:

E03C1/05; E03D5/10; H03K17/94; H03K17/95; (IPC1-7): E03C1/05; E03D5/10

Foreign References:

JPS614077U	1986-01-11
JPS576032A	1982-01-12
JPS62280430A	1987-12-05
JPS62156446A	1987-07-11
JPS56105036A	1981-08-21
JPS62156448A	1987-07-11
JPS5841385B2	1983-09-12

Other References: