Computer for Verifying Numbers

Luhn, H. P. (1960). Computer for Verifying Numbers.

Type

Patent

Intellectual base

Primary research

Year

1960

Link

https://patents.google.com/patent/US2950048A/en not authoritative

Cited from

computer_science

Cited by

2 citations across 2 artifacts.

Primes

• Self Checking
  • The redundant path is a deterministic function of those same digits: alternate digits are doubled, the digit-sums are summed, and a final check digit is chosen so the total is congruent to zero modulo ten.

Domain-specific

• Luhn Mod N Algorithm
  • The decimal ancestor was patented by Hans Peter Luhn as a method for detecting common transcription errors.

Verification

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Registry ID ref:a1db3677b51e · see in the full table