Card-form recording medium and data recording device therefor

Details Card-form recording medium and data recording device therefor Card-form recording medium and data recording device therefor

1988-01-29

1989-12-05

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

360 2, 369 44, G06K 710, G06K 714

Patent

active

048854581

ABSTRACT:
A plurality of recording tracks are formed on an optical card. A data record starting flag or data record and flag is formed on at least one of both sides of the recording tracks in the track extending direction.

REFERENCES:
patent: 4754339 (1988-06-01), Nagai et al.

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