| 摘要 |
The preferred embodiment of the invention comprises proximity actuated signalling apparatus, for use in restaurants and the like, permitting a customer to conveniently inform service personnel that service is desired. A local unit positioned within a convenient distance of the customer is actuated by the customer touching the unit to turn on a light emitting indicator. Optionally, a transmitter is actuated to generate a radiated signal which turns on one or more remote indicators.
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