Control device for a sunshade blind responsive to meteorological

Boots – shoes – and leggings

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Details

364144, 364420, 126425, 126419, F24J 302

Patent

active

048812196

ABSTRACT:
The present invention relates to an automatic device for controlling a blind or a smaller device for protection against the sun.
This device comprises an electronic comparator 3, whereof a first input E+ is connected to a pick-up 1 provided for measuring the intensity of a meteorological phenomenon, whereof a second input E- is connected to a device 4 for regulating a predetermined threshold of said intensity and whereof the output S2 is connected to control means. These control means are provided in order to control the initiation of the elapse of a first predetermined delya period T1, and illuminating a luminous indicator 9, at the instant when the intensity exceeds the predetermined threshold, then controlling the operation of the blind in a first direction at the end of this first period T1. If the first delay period T1 is terminated, they are also provided for controlling the initiation of the elapse of a second predetermined delay period T2, at the instant when the intensity drops below the predetermined threshold, then controlling the operation of the blind in the second direction at the end of this second period T2. The luminous indicator 9 is connected to means for controlling the flashing, provided so that at the instant when the intensity of the meteorological phenomenon drops below the predetermined threshold, solely in the case where the first delay period T1 has previously reached its end, they control an oscillating system operating at a certain frequency, provided for causing the luminous indicator to flash at the said frequency, at least until the end of the second predetermined delay period T2.

REFERENCES:
patent: 3450192 (1969-06-01), Hay
patent: 4079597 (1978-03-01), Lindner
patent: 4219008 (1980-08-01), Schultz
patent: 4305122 (1981-12-01), Smith et al.
patent: 4308911 (1982-01-01), Mandl
patent: 4354484 (1982-10-01), Malone et al.
patent: 4365615 (1982-12-01), Melvin

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