BSI - BS 4636-3
Specification for punched cards. Representation of 7-bit codes and of certain numerical sets on 12-row punched cards
inactive
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| Organization: | BSI |
| Publication Date: | 26 November 1971 |
| Status: | inactive |
| ICS Code (Paper cards and tapes): | 35.220.10 |
| ICS Code (Coding of character sets): | 35.040.10 |
scope:
The one-to-one correspondence between card hole patterns and the bit patterns by which a 7-bit code is represented, with special reference to the UK 7-bit code specified in BS 4730; the one-to-one correspondence between card hole patterns and the numerical series 0-11 and 1-12 (single hole punching) and the series 0-29 and 1-39 (single and double punching in a column); the card hole pattern assigned to the fraction ½ to encode a half new penny; in appendices, illustrations of the UK 7-bit data code and of the numerical sets represented on 12-row cards. See also BS 4730.
Document History
July 31, 1986
Punched Cards Part 3: Representation of 7-Bit and 8-Bit Coded Character Sets on 12- Row Punched Cards
Card hole patterns assigned to the bit combinations of 7-bit and 8-bit codes.
BS 4636-3
November 26, 1971
Specification for punched cards. Representation of 7-bit codes and of certain numerical sets on 12-row punched cards
The one-to-one correspondence between card hole patterns and the bit patterns by which a 7-bit code is represented, with special reference to the UK 7-bit code specified in BS 4730; the one-to-one...