Automatic plug-in indicator dimmer

Details Automatic plug-in indicator dimmer Automatic plug-in indicator dimmer

1995-12-28

1999-07-27

Lee, Michael

Television

Receiver circuitry

Power supply

34081545, 345 46, 345 82, H04N 563

Patent

active

059299436

ABSTRACT:
In a television system, including a standby power supply coupled directly to an AC power input and a main power supply coupled via an on/off switch to the AC power input, a source of light is illuminated at a first brightness level in response to the standby power supply being connected to an AC source and illuminated at a lower brightness level in response to the main power supply being connected to the AC power source.

REFERENCES:
patent: 3882401 (1975-05-01), Cleland
patent: 4181915 (1980-01-01), Lagoni
patent: 5017837 (1991-05-01), Hanna et al.
patent: 5032946 (1991-07-01), Misencik et al.
patent: 5319359 (1994-06-01), Zampini
patent: 5459478 (1995-10-01), Bolger et al.

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