Lighting system for rotatable toy

Details Lighting system for rotatable toy Lighting system for rotatable toy

1984-03-09

1986-01-07

Hafer, Robert A.

Amusement devices: toys

Aerodynamically supported or retarded

Spinning disc

446242, 446485, A63H 2700, A63H 124, A63H 3326

Patent

active

045631603

ABSTRACT:
A circuit for controlling lamp flash interval and duration which comprises an NE555 integrated circuit in combination with resistances and capacitances. In the circuit, a resistor and a capacitive switch in series therewith govern flash interval. The capacitive switch includes a normally closed centrifugal switch which, when closed, presents a given capacitance in series with the resistor and when open presents a reduced capacitance in series with the resistor. The capacitance is provided by two capacitors. In one embodiment, when the switch is closed, one capacitor is in series with the resistor and the other is bypassed and when the switch is open, both capacitors are in series with each other and with the resistor. In the other embodiment, when the switch is closed, the two capacitors are parallel with each other and in series with the resistor and when the switch is open, one of said parallel capacitors is bypassed.

REFERENCES:
patent: 2739419 (1956-03-01), Cleveland
patent: 2836009 (1958-05-01), Wang
patent: 3162979 (1964-12-01), Garoogian
patent: 3812614 (1974-05-01), Harrington
patent: 4282680 (1981-08-01), Zaruba
patent: 4282681 (1981-08-01), McCaslin
patent: 4435917 (1984-03-01), Lee

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