Pattern selection method and apparatus

Details Pattern selection method and apparatus Pattern selection method and apparatus

2005-09-13

2005-09-13

Lieu, Julie (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specified indicator structure

C340S691300, C340S326000, C340S332000, C340S471000, C340S472000, C340S473000

Reissue Patent

active

RE038795

ABSTRACT:
The duration of variations in the potential applied to a single electrical contact, when compared to a reference potential, are measured and employed to command either incrementing or decrementing of an address. The addresses are associated with a table of instructions and an addressed instruction, when read, will produce a discrete warning signal. A desired one of several light flash or audible patterns may be selected by step-wise scrolling through the table in response to manually varying the contact potential.

REFERENCES:
patent: 4868540 (1989-09-01), Housley
patent: 6317052 (2001-11-01), Welling et al.

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