Magnetic recording method and circuit for toll road ticket

Details Magnetic recording method and circuit for toll road ticket Magnetic recording method and circuit for toll road ticket

1991-09-09

1993-12-28

Hannaher, Constantine

Registers

Coded record sensors

Particular sensor structure

235384, G06F 1520, G06F 1548

Patent

active

052742180

ABSTRACT:
A method for reading information from a toll road ticket in which a mark indicating magnetic recording density is formed on a ticket and is detected. A magnetic record demodulating circuit is selected in accordance with the result of detection. Further, a conversion method for increasing a recording capacity of a ticket is provided.

REFERENCES:
patent: 4183066 (1980-01-01), Anderson
patent: 4288688 (1981-09-01), Kiyama et al.
patent: 4389681 (1983-06-01), Tanaka et al.
patent: 4675824 (1987-06-01), Kiyama et al.
patent: 4937436 (1990-06-01), Eglise et al.
Patent Abstracts of Japan, vol. 13, No. 458, 1989.

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