Remote control apparatus for opening and shutting a blind

Details Remote control apparatus for opening and shutting a blind Remote control apparatus for opening and shutting a blind

1985-06-14

1986-10-21

Shoop, Jr., William M.

Electricity: motive power systems

Supplied or controlled by space-transmitted electromagnetic...

318480, H04Q 914

Patent

active

046188045

ABSTRACT:
A remote control system for bidirectionally rotating an electric motor, such as for opening and closing a blind or the like, comprises a hand-held transmitter including a transmitting circuit capable of developing a forward rotation command signal and a reverse rotation command signal, and a transmitter responsive to each of the command signals for producing a corresponding, predetermined number of infrared pulses for a predetermined amount of time. A receiver and drive unit is operatively coupled with the motor and comprises a receiver responsive to the infrared pulses for developing a corresponding received command signal, a discriminator circuit for determining whether the received command signal corresponds to the command signal for normal rotation or reverse rotation and for producing a corresponding forward rotation or reverse rotation control signal, and a drive circuit responsive to the control signal for causing rotation of the electric motor in the corresponding direction.

REFERENCES:
patent: 3946291 (1976-03-01), Marheine
patent: 4371814 (1983-02-01), Hannas
patent: 4385296 (1983-05-01), Tsubaki et al.
patent: 4400698 (1983-08-01), Wessels et al.
patent: 4467249 (1984-08-01), Swearingen, Jr.

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