Electronic table pager and display device

Details Electronic table pager and display device Electronic table pager and display device

1996-05-15

1997-12-16

Hofsass, Jeffery

Communications: electrical

Systems

Nonselective paging

34028609, 340331, 340332, 340321, G08B 2300

Patent

active

056990391

ABSTRACT:
A menu stand or like device is employed as a signal device to summon a waiter to a table in a restaurant or like establishment. The device includes a housing having a base that supports it on a table and a low-energy demand light source. The light source is preferably a thin electroluminescent (EL) surface element mounted on a menu holder that is a part of the housing. A D.C. battery, removably mounted in the housing base, energizes an inverter that generates an A.C. energizing signal that is applied to the light source. Preferably, the A.C. energizing signal pulsates at a low frequency. There is a switch, normally open, that turns the light source ON to summon a waiter.

REFERENCES:
patent: 2638583 (1953-05-01), Edwards, Jr.
patent: 3967274 (1976-06-01), Howell
patent: 4250491 (1981-02-01), Dotson
patent: 5489887 (1996-02-01), Porras

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