Testing wristlet seat

Details Testing wristlet seat Testing wristlet seat

1996-02-13

1997-04-22

Swarthout, Brent A.

Communications: electrical

Condition responsive indicating system

Specific condition

340650, 340657, 361212, 361220, G08B 2100

Patent

active

056232551

ABSTRACT:
A testing wristlet seat using an oscillation circuit to test a test lead which is grounded to discharge the static electricity produced in the manufacturing procedure. In case the test lead is broken or poorly grounded, the grounding condition will no more exist. At this time, the oscillation circuit oscillates and generates a frequency to make an inner buzzer emit warning sound to inform the user of the breakage of the circuit. An LCD display screen is disposed on the wristlet seat for displaying time in normal condition. In case a failure takes place, the display screen displays a fail signal for the user.

REFERENCES:
patent: 4605984 (1986-08-01), Fiedler
patent: 4638399 (1987-01-01), Maroney et al.
patent: 4639825 (1987-01-01), Breidegam
patent: 4813459 (1989-03-01), Breidegam
patent: 4847729 (1989-07-01), Hee
patent: 5218306 (1993-06-01), Bakhoum
patent: 5408186 (1995-04-01), Bakhoum
patent: 5457596 (1995-10-01), Yang
patent: 5463379 (1995-10-01), Campbell et al.
patent: 5519384 (1996-05-01), Chanudet et al.

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