HD 574 S1:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Type B helical video recorders
15-06-1991
16-07-1990
Applies to magnetic video recording and/or reproducing using 25.4 mm (1 in) tape on type B helical-scan recorders suitable for broadcast applications. Defines the electrical and mechanical characteristics of equipment which will provide for interchangeability of recordings. The requirements given are related to 525 line-60 field and 625 line-50 field systems.
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