US5666531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recordable CDROM accessing system
Assignee: RAMANA FEATHERBY
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Filing: 1995-04-07
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Granted: 1997-09-09
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Expires: 2015-04-07
Abstract
Abstract The Recording Technique provides a directory which indicates the location of only the last version of any stored information or modified entry of stored information, prior versions being transparent to the operating system. The Recording Technique further provides a directory recorded on the CDROM which is transportable to other computers having the Recording Technique installed thereon. As a result, the user of a computer with a CDROM reader will interface with the CDROM in the same manner as with a non-volatile memory device that is read only.
Inventors
- 👤 Raymond Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:58
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/327; G11B27/329; G06; G06F; G06F16/00; G06F16/90; G06F16/901; G06F16/9017; G11B27/02; G11B27/031; G11B27/034; G11B27/102; G11B27/105; G11B2220/00; G11B2220/20; G11B2220/21; G11B2220/213; G11B2220/215; G11B2220/218; G11B2220/25; G11B2220/2537; G11B2220/2545; Y; Y10; Y10S; Y10S707/00; Y10S707/99951; Y10S707/99952; Y10S707/99955
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
158 words
A method for entering new information on a recordable CDROM operatively connected an operating system of a computer system having an updatable memory comprising: a) opening a directory in an updatable memory, said directory being identifiable with a directory on a CDROM, said directory in the updatable memory constituting a working directory, b) storing the data on the CDROM and updating the working directory to reflect the data on the CDROM, c) upon completion of the data entry, copying the working directory from the updatable memory to the track on the CDROM containing the last entered data, writing a track information map, and closing the track where the data is entered, such that an operating system accessing data stored on the CDROM is routed by the working directory directly to the latest revision of such data on the CDROM, any previous versions of said data which are still present on the CDROM being transparent to the operating system.
Claim 2
Independent Claim
158 words
A method for entering new information on a recordable CDROM operatively connected an operating system of a computer system having an updatable memory comprising: a) opening a directory in an updatable memory, said directory being identifiable with a directory on a CDROM, said directory in the updatable memory constituting a working directory, b) storing the data on the CDROM and updating the working directory to reflect the data on the CDROM, c) upon completion of the data entry, copying the working directory from the updatable memory to the track on the CDROM containing the last entered data, writing a track information map, and closing the track where the data is entered, such that an operating system accessing data stored on the CDROM is routed by the working directory directly to the latest revision of such data on the CDROM, any previous versions of said data which are still present on the CDROM being transparent to the operating system.
Claim 3
Dependent Claim
76 words
The method of claim 1 further including working directory update means for use when the CDROM has data added thereto through use of the operating system, said update means comparing the working directory with the directory last entered on the CDROM and if the directories are different, transferring the directory on the last track of the CDROM to the working directory and deleting from the working directory all but the latest versions of each data entry.
Claim 4
Dependent Claim
55 words
The method of claim 1 further including means to update the directory of the contents of a CDROM after revision of information on the CDROM, said means rendering the prior versions of information transparent to the operating system while the operating system can recognize the location of the prior version of the information as occupied.
Claim 5
Dependent Claim
28 words
The method of claim 1 which further allows a user to repeatedly add and interchange recordable CDs between a CD reader and a recordable CD drive using sessions.
Claim 6
Dependent Claim
186 words
A computer system having a CDROM recorder attached thereto, the computer system being programmed to copy new information and amend old information on a recordable CDROM operatively connected to the operating system within the computer system also having an updatable, non-volatile memory system attached thereto, the program comprising: including the steps of: a) opening a directory in an updatable memory, said directory being identifiable with a directory on a CDROM, said directory in the updatable memory constituting a working directory, b) storing information on the CDROM and updating the working directory to reflect the information on the CDROM, c) upon completion of the information entry, copying said information and directory from the working memory to the track on the CDROM containing the last entered information, writing a track information map, and closing the track where the information is entered, such that an operating system accessing information stored on the CDROM is routed by the working directory directly to the latest revision of such information on the CDROM, any previous versions of said information which are still present on the CDROM being transparent to the operating system.
Claim 7
Dependent Claim
186 words
A computer system having a CDROM recorder attached thereto, the computer system being programmed to copy new information and amend old information on a recordable CDROM operatively connected to the operating system within the computer system also having an updatable, non-volatile memory system attached thereto, the program comprising: including the steps of: a) opening a directory in an updatable memory, said directory being identifiable with a directory on a CDROM, said directory in the updatable memory constituting a working directory, b) storing information on the CDROM and updating the working directory to reflect the information on the CDROM, c) upon completion of the information entry, copying said information and directory from the working memory to the track on the CDROM containing the last entered information, writing a track information map, and closing the track where the information is entered, such that an operating system accessing information stored on the CDROM is routed by the working directory directly to the latest revision of such information on the CDROM, any previous versions of said information which are still present on the CDROM being transparent to the operating system.
Claim 8
Dependent Claim
61 words
The system of claim 5 further including working directory update means for use when the CDROM has data added thereto through use of the operating system, said update means comparing the working directory with the directory last entered on the CDROM and if the directories are different, replacing the working directory with the directory on the last track of the CDROM.
Claim 9
Dependent Claim
55 words
The system of claim 5 further including means to update the directory of the contents of the CDROM after revision of information on the CDROM, said means rendering the prior versions of information transparent to the operating system while the operating system can recognize the location of the prior version of the information as occupied.
Claim 10
Dependent Claim
28 words
The system of claim 5 which further allows a user to repeatedly add and interchange recordable CDs between a CD reader and a recordable CD drive using sessions.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-08 | 2001-03-10 | 2001-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-08 | 2005-03-10 | 2005-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-08 | 2009-03-10 | 2009-09-09 | $7700.00 | Window Closed / Lapsed |