Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1988-05-25
1989-11-21
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340472, 340691, G08B 538
Patent
active
048825700
ABSTRACT:
A foot switch operated by a driver of a vehicle such as a taxicab actuates a circuit which disables the indicating lamps in the taxi's roof light and energizes distress signaling lamps in the roof light so that it flashes on and off. The flashing roof light calls attention to the cab and informs others that the taxi is in a distress situation.
REFERENCES:
patent: 2807795 (1957-09-01), Haber
patent: 3703703 (1972-11-01), Payne
patent: 4550304 (1985-10-01), Saitta
patent: 4768027 (1988-08-01), Benjamin et al.
Argo Instruments Inc.
Swann III Glen R.
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