Automatic vertical blind controller with memory

Details Automatic vertical blind controller with memory Automatic vertical blind controller with memory

1992-04-30

1993-12-14

Ip, Paul

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318 16, 318459, 318480, 160331, 160DIG17, H04Q 902, H02P 122

Patent

active

052706290

ABSTRACT:
An automatic vertical blind controller with memory, particularly an automatic vertical blind controller with automatic/manual operated memory for control of vertical blind turning and movement automatically by referring to a reference data in the memory representing the upper limit degree of turning/movement set up by its user, comprising an outer casing, an inner casing and a control circuit board, in which the control circuit board is composed of an infrared receiver circuit, a manual operated push button control circuit, a single-chip microprocessor, two relay motor driving circuits, a music control circuit, and a power supply; the inner casing is incorporated with two d.c. motors each incorporated with a reducing gear, two light sensor within it, and a chain pulley, a cord pulley, two light detectors, two guide wheels, and two press wheels outside the inner casing except the two light detectors are located below the chain pulley and the cord pulley within the inner casing; the control circuit board is located at the rear part of the inner casing; the outer casing is incorporated with five push buttons and has a size just for fitting of the inner casing.

REFERENCES:
patent: 4417185 (1983-11-01), Bullat
patent: 4618804 (1986-10-01), Iwasaki
patent: 4653377 (1987-03-01), Chen
patent: 4706726 (1987-11-01), Nortoft
patent: 4819708 (1989-04-01), Onosato et al.
patent: 4902953 (1990-02-01), Kraft et al.
patent: 4914360 (1990-04-01), Hsieh et al.
patent: 4926922 (1990-05-01), Shimazaki
patent: 4951730 (1990-08-01), Hsu
patent: 4956588 (1990-09-01), Ming
patent: 4979550 (1990-12-01), Long et al.
patent: 5038087 (1991-08-01), Archer et al.

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