Dual switch and/or dimmer system illuminated with single neon la

Details Dual switch and/or dimmer system illuminated with single neon la Dual switch and/or dimmer system illuminated with single neon la

1997-07-15

2000-01-04

Paladini, Albert W.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307 30, 200310, 362 95, 439490, F21V 3300

Patent

active

06011326&

ABSTRACT:
A dual lighting control device with a single illuminator includes a line terminal for electrical connection to a source of AC electrical power, first and second electrical switching devices including line and load ends and setable to either an open or closed state and are electrically connected at line ends to the lien terminal. The illuminator, which may comprise a neon lamp, includes first and second terminals and is electrically connected at its first terminal to the line terminal. First and second electrical loads are electrically connectable, respectively, to the load side of the first and second switching devices. First and second diodes are electrically connected between the second terminal of the neon lamp and load ends of the first and second switching devices, respectively. The illuminator is activated when both switching devices are set to the open state or when one of the switching devices is open and the other is closed. The illuminator is off when both switching devices are set to the open state. Dimmer controls can be inserted in series with the switching devices to permit varying the brightness level of the electrical loads and the illuminator itself.

REFERENCES:
patent: 3718835 (1973-02-01), Stoughton
patent: 3864561 (1975-02-01), Spira et al.
patent: 3898516 (1975-08-01), Nakasone
patent: 4888494 (1989-12-01), McNair et al.
patent: 4968897 (1990-11-01), Murray
patent: 5319283 (1994-06-01), Elwell
patent: 5660459 (1997-08-01), Appelberg

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