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

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

Child Classifications

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• G11B 23/40 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, 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 (associated working of cameras or projectors with sound recording or reproducing means G03B31/00)