Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1978-01-30
1980-02-12
Trafton, David L.
Communications: electrical
Condition responsive indicating system
Specific condition
315130, 340653, 340758, 350333, G08B 2100
Patent
active
041886259
ABSTRACT:
A display device comprising a plurality of multi-segmented gas discharge display elements each with a common anode and a cathode for each segment in combination with an error detection circuit that signals the failure of one or more segments to ignite.
REFERENCES:
patent: 3558972 (1971-01-01), Arai
patent: 3801975 (1974-04-01), Kitano
patent: 3828334 (1974-08-01), Wallace
patent: 3943500 (1976-03-01), Buchanan
patent: 4001818 (1977-01-01), Radichel et al.
Briody Thomas A.
Franzblau Bernard
Streeter William J.
Trafton David L.
U.S. Philips Corporation
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