| 摘要 |
An automatic garage door status signaling apparatus comprises a push button, a garage door opening and closing circuitry, a signal indicating circuitry, and a delay timer control circuitry is provided. An indicating signal is generated if the push button is not pressed within a predetermined time period after the delay timer control circuitry is activated. An automatic garage door status indicating apparatus comprises a push button, a garage door opening and closing circuitry and a garage door status indicating circuitry is also provided. In one embodiment, the garage door status indicating circuitry comprises a time log. In another embodiment, the garage door status indicating circuitry comprises a timer, which can be a clock.
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