Invention Grant
US5089998A Vibrating and audible alarm clock 失效
震动和听觉闹钟

Vibrating and audible alarm clock
Abstract:
An alarm clock comprising a housing, electronic clock means including time and alarm setting means, tine indicator signal means, alarm signal generating means, and alarm off signal input means, wherein the reception of an alarm of signal disables the generation of the alarm signal, battery means connected to said electronic clock means for supplying power to said electronic clock means, a time display mounted in the face of said housing and connected to said time indicator signal means, first solid state switch means connected and responsive to said alarm signal generating means, sound generating means disposed in said housing, vibration generating means mounted to the interior of said housing, alarm mode switch means for selectively switching between alarm off and audible and vibratory alarm modes.
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