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US5982737A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical disk having first design visible from one side of the disk and a second design visible from the other side of the disk

Assignee: TOEMI MEDIA SOLUTIONS Ltd
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Filing: 1997-07-30
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Granted: 1999-11-09
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Expires: 2017-07-30
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Abstract

Abstract In an optical disk, a display area is formed between the circumference of a recorded area and the circumference of the maximum area to which a recorded area can be provided. A reflective layer is formed covering the recorded area 3 and covering the display area forming a transparent display area at least in part of the display area. And to the transparent display area, a print layer is provided. According to this composition, there is provided the transparent display area without the reflective layer in the optical disk with a recorded area of a small diameter. Therefore, discrimination of the size or diameter of a record area of 12 cm CDs is made easier, and the print layer provided to the transparent display area can be seen from both sides of the optical disk.

Inventors

  • 👤 Ryoju Takagishi
  • 👤 Ryouhei Yoshihara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:51
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/02; G11B19/12; G11B23/00; G11B23/38; G11B23/40; G11B7/00; G11B7/24

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 122 words
An optical disc comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the circumference of the reflective layer is substantially circumscribed about a lead-out of the recorded area.
Claim 2
Dependent Claim 122 words
An optical disc comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the circumference of the reflective layer is substantially circumscribed about a lead-out of the recorded area.
Claim 3
Dependent Claim 130 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the circumference of the recorded area is formed at the same position as the circumference of the recorded area of about 8 cm CDs.
Claim 4
Dependent Claim 130 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the circumference of the recorded area is formed at the same position as the circumference of the recorded area of about 8 cm CDs.
Claim 5
Dependent Claim 135 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the reflective layer is formed with an outward form of the shape of a circle and with the same diameter as the reflective layer of about 8 cm CDs.
Claim 6
Dependent Claim 135 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area; a second design layer formed on the background layer; and wherein the reflective layer is formed with an outward form of the shape of a circle and with the same diameter as the reflective layer of about 8 cm CDs.
Claim 7
Dependent Claim 122 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area: a second design layer formed on the background layer; and wherein an outward form of the reflective layer is formed in a shape other than a circle.
Claim 8
Dependent Claim 122 words
An optical disk comprising: a recorded area for storing information formed in the shape of a ring; a reflective layer covering the recorded area; a transparent display area formed between a circumference of the recorded area and a circumference of the maximum area on which a recorded area can be provided, said transparent display area being essentially uncovered by said reflective layer; a print layer provided on said transparent display area, wherein the print layer includes: a first design layer formed on said transparent display area; a background layer formed on the first design area: a second design layer formed on the background layer; and wherein an outward form of the reflective layer is formed in a shape other than a circle.

References Cited (Backward Citations)

JPH06508712A Cited
WO1994010684A1 Cited
US5608718A Cited
US5509991A Cited
US5751671A Cited
US5751690A Cited
US5675570A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-11-08 2003-05-10 2003-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-11-08 2007-05-10 2007-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-11-08 2011-05-10 2011-11-09 $7700.00 Window Closed / Lapsed

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