CPC G06K 19/06065 (2013.01) [G06K 19/06103 (2013.01); G06K 19/06121 (2013.01); G11B 3/78 (2013.01)] | 15 Claims |
1. A gramophone plate having at least one face, the at least one face including at least one region on which is recorded audio data in the form of audio data log lines,
wherein:
the at least one region of the at least one face on which is recorded the audio data also has at least one visual image or a portion of at least one visual image recorded thereon;
the at least one visual image or the portion of the at least one visual image is recorded in the form of a holographic diffractive optical relief pattern;
individual portions of the at least one visual image or the portion of the at least one visual image are recorded in respective ones of a plurality of surface spaces between adjacent ones of the audio data log lines in which are recorded the audio data on the at least one region of the at least one face of the gramophone plate; and
the holographic diffractive optical relief pattern recording the individual portions of the at least one visual image or the portion of the at least one visual image is applied so as to cover or extend over substantially the whole surface width of the spaces between adjacent ones of the audio data log lines.
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