Patent ID: 8643293

Claim:
A circuit device, embedded in an object, comprising: a plurality of light-emitting devices; a motion-actuated switch, sensing a first motion of the object and generating a first controlling signal accordingly; a controller, coupled to the motion-actuated switch and the light-emitting devices, the controller selectively driving the plurality of light-emitting devices to emit light in a first period in accordance with a first order and a first flashing frequency according to the first controlling signal, the motion-actuated switch sensing a second motion of the object after the first period and generating a second controlling signal accordingly, the controller selectively driving the plurality of light-emitting devices to emit light in a second period in accordance with the first order and a second flashing frequency according to the second controlling signal, the second flashing frequency different from the first flashing frequency, the motion-actuated switch sensing a third motion of the object after the second period and generating a third controlling signal accordingly, the controller selectively driving a plurality of light-emitting groups respectively comprising two light-emitting devices to emit light in a third period in accordance with a second order and a third flashing frequency according to the third controlling signal, after the third period, the motion-actuated switch sensing the motion of the object and generating the first controlling signal accordingly, the controller selectively driving the plurality of light-emitting devices to emit light in the first period in accordance with the first order and the first flashing frequency according to the first controlling signal; and a selector, coupled to the controller, generating a selecting signal to the controller, the controller selectively controlling the number of the light-emitting devices to emit light in the first period and the second period according to the selecting signal; wherein the motion-actuated switch does not have any effect even if the motion-actuated switch senses the motion of the object in the first period, the second period and the third period.