Optical recording disc
AssigneeSanyo Electric Co., Ltd.
InventorsSyoji Sugaya, Toshihiro Rokujo, Hisayoshi Asahino
Life of this patent
Estimating the term…
Abstract
An optical recording disc, such as a compact disc, having a non-playback side including a write-in region available for adding a message or an illustration so that it can be provided with such one and only design as each individual consumer may desire and it is suitable for a gift.
Claims20
An optical recording disc including a light transmissible substrate having on one side thereof a recording surface for recording audio, visual and/or literal information, and a protective layer on said recording surface, the recorded information being read out by irradiating a light on a side of said substrate opposite said recording surface, said optical recording disc comprising means defining a write-in-region provided on said protective layer, said write-in-region including a roughened surface for having entered thereon a note or the like by conventional writing means, said write-in region being in overlying relationship to said recording surface.
An optical recording disc including a light transmissible substrate having on one side thereof one of a recording surface and a recording film for recording audio, visual and/or literal information, and a protective layer on said one of said recording surface and recoding film, the recorded information being is read out by irradiating a light on a side of said substrate opposite said one of said recording surface and recording film, said optical recorded disc comprising a write-in-region provided on said protective layer for adding a note or the like by writing means, said write-in region being in overlying relationship to said one of said recording surface and recording film and including a surface having printing ink deposited thereon, and a transparent seal for adhesively covering asid write-in region after adding a note or the like therein.
An optical recording disc including a light transmissible substrate having on one side thereof a recording surface for recording audio, visual and/or literal information, and a protective layer on said recording surface, the recorded information being read out by irradiating a light on a side of said substrate opposite said recording surface, said optical recording disc comprising means defining a write-in-region provided on said protective layer for having entered thereon a note or the like by conventional writing means, said write-in region being in overlying relationship to said recording surface and including a surface having printing ink imparting a roughened surface to the write-in-region deposited thereon, and a title region also provided on said protective layer for a title relevant to said note or the like in the form of letters or a pictorial design.
An optical recording disc including a light transmissible substrate having on one side thereof one of a recording surface and a recording film for recording audio, visual and/or literal information, and a protective layer on said one of said recording surface and recording film, the recorded information being read out by irradiating a light on a side of said substrate opposite said one of said recording surface and recording film, said optical recording disc comprising a write-in-region provided on said protective layer for adding a note or the like by writing means, said write-in region being in overlying relationship to said one of said recording surface and recording film and including a surface having printing ink deposited thereon, and a title region also provided on said protective layer for a title relevant to said note or the like in the form of letters or a pictorial design, and a transparent seal for adhesively covering said write-in region after adding a note of the like therein.
Dependencies are inferred from the claim text.