Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-11-06
1995-05-23
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
340692, G08B 1314
Patent
active
054185203
ABSTRACT:
An alert system reminds a credit card owner to collect his card after making payment. After a predetermined period of time the device will sound voices so as to attract the card owner to the absence of his card. Collecting the card and putting it back into its storage place will stop the voices, thus preventing the forgetting of the card after it was used.
The device comprises a voice programmable chip connected to a tiny loudspeaker and a switch which is operated when the credit card is removed from its place thus closing an electrical circuit which triggers a recorded period of silence after which the recording produces a voice to attract the owner's attention to his credit card.
The voice can be of any kind such as: human voice words, or a melody.
REFERENCES:
patent: 3959789 (1976-05-01), McGahee
patent: 4692745 (1987-09-01), Simanowitz
patent: 4857897 (1989-08-01), Chen
patent: 4987403 (1991-01-01), Apfel
Schindler Edwin D.
Swann Glen
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