Card operation indicator for magnetic card drive devices

Details Card operation indicator for magnetic card drive devices Card operation indicator for magnetic card drive devices

1983-02-14

1985-06-18

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235482, 340686, G06K 708

Patent

active

045242690

ABSTRACT:
When a magnetic card having two recording zones is inserted into a magnetic card drive device for a read/write operation of each recording zone, a magnetic card generation indicator lights an indicator lamp after a predetermined period of time following a first insertion of the magnetic card, turns ON and OFF the lamp upon pulling out of the magnetic card from the magnetic card drive device, lights the indicator lamp again after a predetermined period of time following a second insertion of the magnetic card, and puts out the lamp upon pulling out of the magnetic card. By lighting, turning ON and OFF and putting out of the indicator lamp, it is possible to prevent mishandling of the magnetic card having two recording zones to ensure the read/write operation of the both recording zones and timely pulling out of the magnetic card from the magnetic card drive device.

REFERENCES:
patent: 4094462 (1978-06-01), Moschner
patent: 4206926 (1980-06-01), Stave
patent: 4322613 (1982-03-01), Oldenkamp

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