Visual features other than those contained in record tracks or represented by sprocket holes

Introduced: September 1968

Last revised: January 2006

Full Title

Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > Visual features other than those contained in record tracks or represented by sprocket holes

Classification Context

Section:: PHYSICS
Class:: INFORMATION STORAGE
Subclass:: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

3 direct subcodes

Child Classifications

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G11B 23/4 Identifying or analogous means applied to, or incorporated in, the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader or photograph
G11B 23/42 Marks for indexing, speed-controlling, synchronising, or timing
G11B 23/44 Information for display simultaneously with playback of the record, e.g. photographic matter