Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-01-16
1994-12-13
Peng, John K.
Communications: electrical
Condition responsive indicating system
Specific condition
200 6119, C08B 1314
Patent
active
053732839
ABSTRACT:
A cardholder with an alarm includes a control circuit to prevent operation of the alarm until the cardholder is folded up or closed. The control circuit is preferably an interrupted loop of conductive material on the exterior of one or more flexible pockets of the cardholder and a conductive member, which may be part of the loop, on an adjacent pocket or pockets which closes or bridges the gap in the interrupted loop when adjacent pockets are placed into overlying relationship such as by folding the cardholder.
REFERENCES:
patent: 2708747 (1955-05-01), Moon
patent: 3648832 (1972-03-01), Kirshenbaum et al.
patent: 3930249 (1975-12-01), Steck et al.
patent: 3959789 (1976-05-01), McGahee
patent: 4242670 (1980-12-01), Smith
patent: 4480250 (1984-10-01), McNeely
patent: 4584571 (1986-04-01), Smit et al.
patent: 4652865 (1987-03-01), Maharshak
patent: 4692745 (1987-09-01), Simanowitz
patent: 4717908 (1988-01-01), Phillips et al.
patent: 4719453 (1988-01-01), Beck et al.
patent: 4721948 (1988-01-01), Lin
patent: 4890094 (1989-12-01), Kopel
patent: 4916434 (1990-04-01), McNeely
patent: 5053749 (1991-10-01), Weiss
Mullen Jr. Thomas J.
Peng John K.
LandOfFree
Alarm system for a card holder does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Alarm system for a card holder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alarm system for a card holder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1195968