Window blind control apparatus

Details Window blind control apparatus Window blind control apparatus

1989-04-25

1990-12-25

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Automatic control

Nonthermal automatic initiator

160 88, E05F 1520

Patent

active

049795503

ABSTRACT:
A window blind control apparatus is set forth wherein the apparatus enables selective control in the opening and closing of an associated window blind arrangement utilizing selectively a photo-electric cell, a radio frequency controller, or a manually displaceable slide switch for the opening and closing of the window blind unit that comprises a series of parallel slats.

REFERENCES:
patent: 3249148 (1966-05-01), Zablodil et al.
patent: 3646985 (1972-03-01), Klann
patent: 4492908 (1985-01-01), Stockle et al.
patent: 4550759 (1985-11-01), Archer
patent: 4618804 (1986-10-01), Iwasacki
patent: 4717104 (1987-12-01), Kobayashi
patent: 4727918 (1988-03-01), Schroeder

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