| 摘要 |
An emergency locator light can be located based on an optimum viewing of the light, rather than being limited by hard wiring limitations. The apparatus responds to dialing of a predetermined emergency telephone number, such as 911. A light switching mechanism is provided for activating the emergency light upon receipt of a signal code from a signal code generator. The signal code is transmitted when the system detects the dialing of a predetermined emergency number. The apparatus detects the transition from either on-hook voltage to off-hook voltage or off-hook voltage to on-hook voltage, or both, in order to set and reset the dialing monitor unit. The apparatus, when set, detects the dialing of the emergency phone number. Upon detection of the emergency number a signal code is transmitted to the light switching member. The signal can be transmitted by a wireless transmitter, such an RF or microwave frequency transmitted. Alternatively, it can transmit signal pulses on household electric power lines, from the signal generator to the signal member switch. The signal member switch includes signal pulse responsive means to activate the emergency locator signal member when it receives a predetermined signal pulse sequence.
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