Method and system for recording a new coded message in place of

Details Method and system for recording a new coded message in place of Method and system for recording a new coded message in place of

1992-09-28

1994-02-15

Wimer, Michael C.

Registers

Coded record sensors

Particular sensor structure

360 2, 235493, G06K 708

Patent

active

052869580

ABSTRACT:
In a method for recording a new coded message in place of an old coded message recorded on a magnetic stripe carried by a support document by manual displacement of said document, the message being divided into a first part and a second part separated by a gap, the clock signal used to write the first part of the new message is a clock signal obtained by reading the second part of the old message. The clock signal used to write the second part of the new message is a clock signal obtained by reading the first part of the new message, newly written. The system for implementing this method comprises a write head between two synchronization heads and an electronic circuit which produces from the signals from the two synchronization heads a clock signal slaved to the speed of displacement of the support document. This clock signal is sent to a write signal generator connected to the write head. The write signal generator also receives the data to be recorded.

REFERENCES:
patent: 3869700 (1975-03-01), Cook et al.
patent: 4225780 (1980-09-01), Jacoub
patent: 4228348 (1980-10-01), Lee
patent: 4304992 (1981-12-01), Kobashi et al.
patent: 4507550 (1985-03-01), Fleer

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