| 摘要 |
This invention embodies a visual signal in the form of a switch mechanism controlling the ignition of an electric light bulb, together with mechanism which may be set by the user to control the operation of the switch to initiate operation of the signal at any predetermined time. The invention also includes means embodied in the light circuit to cause an intermittent flashing of the light. A remote manually operated switch operable independently of the first control switch at any time the light has not already been ignited by the alarm switch to permit manual control of the energizing and deenergizing of the signal light.
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