Printed wiring board means with isolated voltage source means

Details Printed wiring board means with isolated voltage source means Printed wiring board means with isolated voltage source means

1985-09-12

1987-02-03

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307116, 307141, 431 24, 431 25, 431 26, 361404, H01H 3700, F23N 2300

Patent

active

046410430

ABSTRACT:
An ignition control device that utilizes a very sensitive flame rectification signal responsive circuit is disclosed. A printed wiring board arrangement is utilized with a careful arrangement of the conductive areas on the printed wiring board to substantially eliminate leakage paths that can provide a false indication of the presence of flame when none in fact is present.

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Honeywell Installation and Instruction Sheet, Form No. 68-0044-2, Revised, Sep. 1984, entitled Hot Surface Ignition Control-S89C.

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