Automatic shower control

Details Automatic shower control Automatic shower control

1996-01-11

1998-11-03

Fetsuga, Robert M.

Baths, closets, sinks, and spittoons

Shower

Convenience accessories

604623, 604668, E03C 105

Patent

active

058290729

ABSTRACT:
An automatic shower control for the flow to a shower head by a detection device and its control and evaluation circuitry which detects the presence of a user and includes switching device for activation and deactivation of the control. An intensity selective evaluation of the detector signal indicates whether the signal derives from an object in a close proximity range or a normal proximity range to the detector and the system is switched on by the presence of an object in the close proximity range. During operation in the normal proximity range, which can terminate when the user leaves this range, water shut off can also be effected by movement of an object into the close proximity range.

REFERENCES:
patent: 4921211 (1990-05-01), Novak et al.
patent: 4941219 (1990-07-01), Van Marcke
patent: 4981158 (1991-01-01), Brondolino et al.
patent: 5570869 (1996-11-01), Diaz et al.

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