Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply
Patent
1997-11-04
1999-04-13
Wong, Don
Electric lamp and discharge devices: systems
Condenser in the supply circuit
Condenser in shunt to the load device and the supply
315 76, 362103, 362265, H05B 3700
Patent
active
058942017
ABSTRACT:
A light flashing system for flashing lights on and off and for generating a pattern of illumination for a plurality of lights in response to intermittent switch closures. The system includes a battery, a plurality of light emitting elements, a plurality of transistors which enable the illumination of the light emitting elements, a switch, a capacitor, and a pattern generation circuit. The battery powers the light emitting elements and the pattern generation circuit. The switch intermittently clocks the pattern generation circuit and enables the flow of current in certain of the transistors, allowing illumination of certain of the light emitting elements in response to changes in inertial forces caused by movement of the flashing light system. The capacitor is connected in parallel to the battery such that the capacitor stores electrical charge when the switch is closed and continues to enable the flow of current through certain of the transistors after the switch is opened. The pattern generation circuit then causes at least one, but not necessarily all, of the plurality of light emitting elements to illuminate by enabling the flow of current through certain of the transistors. As the switch intermittently opens and closes, the pattern generation circuit is clocked through various states, and the outputs of the pattern generation circuit enables the flow of current through certain of the transistors, allowing illumination of at least one, but not necessarily all, of the light emitting elements in a pattern.
REFERENCES:
patent: 5188447 (1993-02-01), Chiang et al.
patent: 5422628 (1995-06-01), Rodgers
patent: 5457900 (1995-10-01), Roy
patent: 5461188 (1995-10-01), Drago et al.
patent: 5644858 (1997-07-01), Bemis
Cheerine Development (Hong Kong) Ltd
Philogene Haissa
Wong Don
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