System for dissipating electrical charge from a cabinet of...

Details System for dissipating electrical charge from a cabinet of... System for dissipating electrical charge from a cabinet of...

2005-02-01

2005-02-01

Kostak, Victor R. (Department: 2611)

Television

Video display

Cathode-ray tube

C348S820000, C361S120000, C361S212000, C361S724000

Reexamination Certificate

active

06850287

ABSTRACT:
A TV receiver having a metal front cabinet is provided with a discharge path between the front cabinet and a ground portion of the TV receiver. The discharge path includes a series circuit in which a discharge tube is connected in series to a parallel circuit of a first resistor and a high-voltage capacitor and a second resistor that is connected in parallel to the series circuit. The discharge path effectively discharges a voltage occurring at the front cabinet via the second resistor while preventing a sudden flow of current and reducing the influence of static electricity. The series circuit in which the discharge tube is connected in series to the parallel circuit of the first resistor and the high-voltage capacitor has a function of causing high-voltage pulses occurring at the ground portion GND to escape to the front cabinet while converting those into pulses having a low voltage level.

REFERENCES:
patent: 4375661 (1983-03-01), Savic
patent: 4654746 (1987-03-01), Lewis, Jr. et al.
patent: 4970625 (1990-11-01), Belanger et al.
patent: 5122921 (1992-06-01), Koss
patent: 5311393 (1994-05-01), Bird
patent: 5726603 (1998-03-01), Chawla et al.
patent: 5761022 (1998-06-01), Rankilor
patent: 5768086 (1998-06-01), Abe
patent: 5898560 (1999-04-01), Flaynik, Jr. et al.
patent: 6028761 (2000-02-01), Cooter
patent: 2 696 349 (1994-04-01), None
patent: 10271414 (1998-10-01), None

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