US5321673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partial ROM type optical disk and its recording and reproducing apparatus
Assignee: Panasonic Holdings Corp
•
Filing: 1992-04-07
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Granted: 1994-06-14
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Expires: 2012-04-07
Abstract
Abstract An optical disk provided with a ROM area for reproduction only, in which information for reproduction only and first retrieval information for retrieving the information for reproduction only are recorded in embossed shape and a rewritable area in which information can be additionally recoded or rewritten, wherein on the basis of each of a plurality of additionally recording and rewriting logical specifications of respective appliances utilizing the optical disk, the first retrieval information is converted into second retrieval information, wherein the second retrieval information corresponds to at least one of the appliances and is recorded in the rewritable area together with third retrieval information for the additionally recordable and rewritable information so as to be additionally recordable or rewritable, and an apparatus for recording and reproducing the optical disk.
Inventors
- 👤 Yukinori Okazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/327; G11B27/329; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G11B20/00; G11B20/10; G11B20/12; G11B20/1217; G11B2020/1087; G11B2020/10879; G11B2020/1259; G11B2220/00; G11B2220/20; G11B2220/21; G11B2220/211; G11B2220/213; G11B2220/25; G11B2220/2525; G11B2220/2537; G11B2220/2545
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
An optical disk provided with a ROM area for reproduction only, in which information for reproduction only and first retrieval information for retrieving the information for reproduction only are recorded in embossed shape, and a rewritable area, in which information can be additionally recorded or rewritten, wherein the first retrieval information is converted into second information having a logical format compatible with an appliance using the optical disk and being recorded in the rewritable area.
Claim 2
Dependent Claim
75 words
An optical disk provided with a ROM area for reproduction only, in which information for reproduction only and first retrieval information for retrieving the information for reproduction only are recorded in embossed shape, and a rewritable area, in which information can be additionally recorded or rewritten, wherein the first retrieval information is converted into second information having a logical format compatible with an appliance using the optical disk and being recorded in the rewritable area.
Claim 3
Dependent Claim
21 words
The optical disk of claim 1, wherein third retrieval information for retrieving the second information is recorded in the rewritable area.
Claim 4
Independent Claim
113 words
An apparatus for recording and reproducing an optical disk, comprising: an optical disk drive for driving the optical disk; and a controller for controlling the optical disk drive; the optical disk being provided with a ROM area for reproduction only, in which information for reproduction only and retrieval information for retrieving the information for reproduction only are recorded in embossed shape and a rewritable area in which information can be additionally recorded or rewritten, wherein the retrieval information in the ROM area is recorded by the optical disk drive in the rewritable area on the basis of a logical specification for using the optical disk so as to be additionally recordable or rewritable.
Claim 5
Independent Claim
113 words
An apparatus for recording and reproducing an optical disk, comprising: an optical disk drive for driving the optical disk; and a controller for controlling the optical disk drive; the optical disk being provided with a ROM area for reproduction only, in which information for reproduction only and retrieval information for retrieving the information for reproduction only are recorded in embossed shape and a rewritable area in which information can be additionally recorded or rewritten, wherein the retrieval information in the ROM area is recorded by the optical disk drive in the rewritable area on the basis of a logical specification for using the optical disk so as to be additionally recordable or rewritable.
References Cited (Backward Citations)
JPS56156936A
Cited
JPS59165254A
Cited
JPS615442A
Cited
JPS61280048A
Cited
JPS62137744A
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EP0232134B1
Cited
JPS62192943A
Cited
JPS6329338A
Cited
JPS6348677A
Cited
JPS63167474A
Cited
JPS63217569A
Cited
JPS63234426A
Cited
JPS63291227A
Cited
JPS6416225A
Cited
JPH02246031A
Cited
US5150339A
Cited
JPH0319148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-13 | 1997-12-13 | 1998-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-13 | 2001-12-13 | 2002-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-13 | 2005-12-13 | 2006-06-14 | $7700.00 | Window Closed / Lapsed |