Device for altering encoded data

Details Device for altering encoded data Device for altering encoded data

1980-07-30

1983-02-08

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

235441, 235492, 34082535, H04Q 900, G06K 706, G06K 1906

Patent

active

043731589

ABSTRACT:
A record card having a plurality of bits arranged in a predetermined pattern, where at least one of these bits is adapted to be permanently "debited" by a corresponding apparatus. Each "debit bit" has a constricted neck which is adapted to be burned out by an electrical signal of predetermined magnitude and duration. The apparatus supplies this signal to the "debit bit"0 when the record is properly positioned and subsequently confirms that the bit has been properly debited.

REFERENCES:
patent: 3529299 (1970-09-01), Chung et al.
patent: 3544769 (1970-12-01), Hedin
patent: 3906201 (1975-09-01), Housman et al.
patent: 3922529 (1975-11-01), Orloff
patent: 3928750 (1975-12-01), Wolflingeder
patent: 4130889 (1978-12-01), Chua
patent: 4162538 (1979-07-01), Thornburg
patent: 4195358 (1980-03-01), Yuen
patent: 4256955 (1981-03-01), Giraud

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