Patent EP0100549A2 successfully refreshed from Google Patents.
EP0100549A2
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Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby
Assignee: NEWS LOG INTERNATIONAL Inc
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Filing: 1983-08-01
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Granted: —
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Expires: 2003-08-01
Abstract
Abstract @ The method for formatting optically encoded digital data on a substrate (11) to form a data record carrier (10) includes the steps of: selecting a track path on the substrate (11) for each one of a plurality of tracks (14, 14a, 14b) of data (12); selecting a data cell length (15) in the direction of each track (14) for each bit of data to be stored in each cell (15) on each track (14); selecting a cell width dimension transverse to the direction of the track (14); selecting a non-trasition cell (A, C) for one form of logic (0 or 1) to be stored in each such cell (15); selecting a transition cell (B) for the other form of logic (1 or 0) to be stored in each such other cell (15); establishing a leader section (22) for each track (14); establishing a tailer section (24) for each track (14); establishing a front track address section (32) for each track; establishing a back track address section (44) for each track (14) and creating the tracks (14a and 14b) with the above parameters on a substrate (11) to form the data record carrier (10). Preferably, the tail end of each track (14) is a mirror image of the leading end of the track (14) to facilitate locating and identifying each track reading forward or backward. Also, coded groups (34, 42 or 50, 52) are formed on each track between the ends thereof with the coding thereof facilitating error detection and error correction.
Inventors
- 👤 Alan A. Jewer
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 20:57
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/06009; G06K19/06046; G06K19/06075; G06K1/00; G06K1/12; G06K1/126; G06K19/06037; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10841; G11; G11B; G11B20/00; G11B20/10; G11B20/12; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; G11B7/00; G11B7/002; G11B7/0033; G11B7/007; G11B7/013; G11C; G11C13/00; G11C13/04
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
167 words
A method for formatting optically encoded digital data on a substrate to form a data record carrier including the steps of: selecting a track path on the substrate for each one of a plurality of tracks of data; selecting a data cell length in the direction of each track for each bit of data to be stored in each cell on each track; selecting a cell width dimension transverse to the direction of the track; selecting a non-transition cell for one form of logic (0 or 1) to be stored in each such cell; selecting a transition cell for the other form of logic (1 or 0) to be stored in each such other cell; characterized by establishing a leader section (22) for each track (14) establishing a tailer section (24) for each track (14); establishing a front track address section (32) for each track (14); establishing a back track address section (44) for each track; and creating the plurality of tracks (14) with the above parameters.
Claim 2
Independent Claim
167 words
A method for formatting optically encoded digital data on a substrate to form a data record carrier including the steps of: selecting a track path on the substrate for each one of a plurality of tracks of data; selecting a data cell length in the direction of each track for each bit of data to be stored in each cell on each track; selecting a cell width dimension transverse to the direction of the track; selecting a non-transition cell for one form of logic (0 or 1) to be stored in each such cell; selecting a transition cell for the other form of logic (1 or 0) to be stored in each such other cell; characterized by establishing a leader section (22) for each track (14) establishing a tailer section (24) for each track (14); establishing a front track address section (32) for each track (14); establishing a back track address section (44) for each track; and creating the plurality of tracks (14) with the above parameters.
Claim 3
Dependent Claim
23 words
The method of claim 1 characterized in that said leader and tailer sections (22,24) comprise a series of non-transition cells (A or C).
Claim 4
Dependent Claim
25 words
The method of claim 1 or 2 characterized in that said back track address (44) is a mirror image of said front track address (32).
Claim 5
Independent Claim
45 words
The method of claims 1,2 or 3 characterized in that said leader section (22) and front track address section (32) are separated by one transition cell (B) and said tailer section (24) and said back track address section (44) are separated by one transition cell.
Claim 6
Independent Claim
50 words
The method of any one of claims 1 - 4 characterized in that the first track (14) of the plurality of tracks (14) is formed with a center track address (38) identical to the front track address (32) and located approximately midway between the ends of said first track (14).
Claim 7
Dependent Claim
47 words
The method of claim 5 characterized in that said first track (14) is formed with at least one coded group (34) of cells (15) following said front track address section and at least one coded group (42) of cells (15) before said back track address section (44).
Claim 8
Dependent Claim
15 words
The method of claim 6 characterized in that said coded groups are so-called Hamming-type groups.
Claim 9
Dependent Claim
83 words
The method of claim 6 characterized in that said coded groups are adapted to be read by a computer only and contain information regarding (a) the machine code used, (b) the program load address, (c) the program size, (d) the number of tracks (14), (e) the spacing between tracks (14), (f) the type of data stored on the tracks (14), (g) the coded groups per track (14), (h) the compression and error coding flags, and (i) other special information for the computer only.
Claim 10
Independent Claim
86 words
The method of any one of claims 1 - 8 characterized in that the second through nth track (14) each have the leader section (22) separated from the front track address section (32) by a transition cell (B) and the back track address section (44) separated from the tailer section (24) by a transition cell (B) and in that said method includes the step of placing on each track (14) a plurality of coded groups (52) between the front track address and the back track address.
Claim 11
Dependent Claim
21 words
The method of claim 9 characterized by including the step of placing a cyclic redundancy check group on each track (14).
Claim 12
Dependent Claim
16 words
The method of claim 10 characterized in that said coded groups (52) are so-called Hamming-type groups.
Claim 13
Dependent Claim
31 words
The method of claim 10 or 11 characterized in that each cyclic redundancy check group is included in the front track address section (32) and/or the back track address section (44).
Claim 14
Independent Claim
32 words
The method of any one of claims 1 - 12 characterized in that said tracks (14) are arcuate tracks of equal radius arranged in a nested array equally spaced from one another.
Claim 15
Independent Claim
46 words
The method of any one of claims 1 - 13 characterized in that each non-transition cell (A or C) is fully transmissive or fully opaque and each transition cell (B) is transmissive along part of the length thereof and partially opaque along the remaining length thereof.
Claim 16
Independent Claim
47 words
The method of any one of claims 1 - 13 characterized in that each non-transition cell (A or C) is fully reflective or fully non-reflective and each transition cell (B) is partially reflective along part of the length thereof and partially non-reflective along the remaining length thereof.
Claim 17
Dependent Claim
112 words
A data record carrier including a plurality of spaced apart tracks on a substrate, each track having a plurality of data cells thereon, each cell having the same cell length in the direction of each track for each bit of data stored in each cell and the same cell width in a direction transverse to the direction of each track; each cell for one form of logic (0 or 1) being a non-transition cell, each cell for the other form of logic (1 or 0) being a transition cell, and characterized by each track having a leader section, a tailer section, a front track address section and a back track address section.
Claim 18
Dependent Claim
112 words
A data record carrier including a plurality of spaced apart tracks on a substrate, each track having a plurality of data cells thereon, each cell having the same cell length in the direction of each track for each bit of data stored in each cell and the same cell width in a direction transverse to the direction of each track; each cell for one form of logic (0 or 1) being a non-transition cell, each cell for the other form of logic (1 or 0) being a transition cell, and characterized by each track having a leader section, a tailer section, a front track address section and a back track address section.
Claim 19
Dependent Claim
27 words
The data record carrier of claim 16 characterized in that said leader and tailer sections (22 and 24) comprise a series of non-transition cells (A or C).
Claim 20
Dependent Claim
27 words
The data record carrier of claim 16 or 17 characterized in that said back track address (44) is a mirror image of said front track address (32).
Claim 21
Independent Claim
46 words
The method of claims 16, 17 or 18 characterized in that said leader section (22) and front track address section (32) are separated by one transition cell (B) and said tailer section (24) and said back address section (44) are separated by one transition cell (B).
Claim 22
Dependent Claim
48 words
The data record carrier of claims 16,17,18 or 19 characterized in that the first track (14) of the plurality of tracks (14) includes a center track address (38) identical to the front track address (32) and is located approximately midway between the ends of said first track (14).
Claim 23
Dependent Claim
46 words
The data record carrier of claim 20 characterized in that said first track (14) includes at least one coded group (34) of cells following said front track address section (32) and at least one coded group (42) of cells before said back track address section (44).
Claim 24
Dependent Claim
21 words
The data record carrier of claim 21 character- ized in that said coded groups (34 and 42) are so-called Hamming-typd groups.
Claim 25
Dependent Claim
88 words
The data record carrier of claim 21 or 22 characterized in that said coded groups (34 and 42) are adapted to be read by a computer only and contain information regarding (a) the machine code used, (b) the program load address, (c) the program size, (d) the number of tracks (14), (e) the spacing between tracks (14), (f) the type of data stored on the tracks, (g) the coded groups per track, (h) the compression and error coding flags, and (i) other special information for the computer only.
Claim 26
Dependent Claim
77 words
The data record carrier of any one of claims 16 - 23 characterized in that the second through nth track (14) each have the leader section (22) separated from the front track address section (32) by a transition cell (B) and the back track address section (44) separated from the tailer section (24) by a transition cell (B) and a plural- ityof coded groups (52) between the front track address (32) and the back track address (44).
Claim 27
Dependent Claim
24 words
The data record carrier of any one of claims 16 - 23 characterized by including a cyclic redundancy check group on each track (14).
Claim 28
Dependent Claim
18 words
The data record carrier of claim 25 characterized in that said coded groups (52) are so-called Hamming-type groups.
Claim 29
Dependent Claim
35 words
The data record carrier of any one of claims 16 - 26 characterized in that said tracks (14) are arcuate tracks (14) of equal radius arranged in a nested array equally spaced from one another.
Claim 30
Dependent Claim
44 words
The data record carrier of any one of claims 16 - 27 characterized in that each non-transition cell is fully transmissive or fully opaque and each transition cell is transmissive along part of the length thereof and partially opaque along the remaining length thereof.
Claim 31
Dependent Claim
50 words
The data record carrier of any one of claims 16 - 27 characterized in that each non-transition cell (A or C) is fully reflective or fully non-reflective and each transition cell (B) is partially reflective along part of the length thereof and partially non-reflective along the remaining length thereof. ;
Claim 32
Independent Claim
221 words
A method for optically encoding digital data on a substrate to form a data record carrier including the steps of: selecting track paths on the substrate; selecting a data cell length in the direction of the track for each bit of data to be stored in each cell on each track; selecting a cell width dimension transverse to the direction of the track; selecting a non-transition cell for one form of logic (0 or 1) to be stored in each such cell; selecting a transition cell for the other form of logic (1 or 0) to be stored in each such other cell; creating a plurality of arcuate tracks of digital data on the substrate comprised of a series of said cells each having the same cell length in the direction of the track and being arranged in a nested array of tracks equally spaced from each other by a predetermined distance at a point intermediate the ends of each track, each track having the same radius throughout the arcuate path of said track such that the tracks extend in an arcuate manner across the data record carrier, characterized in that said predetermined distance is a center-to-center spacing between adjacent tracks (14) of 0.001 inch to 0.011 inch and each track (14) has a thickness of 0.0007 inch to 0.010 inch.
Claim 33
Independent Claim
221 words
A method for optically encoding digital data on a substrate to form a data record carrier including the steps of: selecting track paths on the substrate; selecting a data cell length in the direction of the track for each bit of data to be stored in each cell on each track; selecting a cell width dimension transverse to the direction of the track; selecting a non-transition cell for one form of logic (0 or 1) to be stored in each such cell; selecting a transition cell for the other form of logic (1 or 0) to be stored in each such other cell; creating a plurality of arcuate tracks of digital data on the substrate comprised of a series of said cells each having the same cell length in the direction of the track and being arranged in a nested array of tracks equally spaced from each other by a predetermined distance at a point intermediate the ends of each track, each track having the same radius throughout the arcuate path of said track such that the tracks extend in an arcuate manner across the data record carrier, characterized in that said predetermined distance is a center-to-center spacing between adjacent tracks (14) of 0.001 inch to 0.011 inch and each track (14) has a thickness of 0.0007 inch to 0.010 inch.
Claim 34
Dependent Claim
195 words
A data record carrier including a substrate and digital data on the substrate in the form of a plurality of tracks each having therein a plurality of data cells for each bit of data (0 or 1) stored thereon, each cell having the same cell length in the direction of the track and the same cell width in a direction transverse to the direction of the track, each cell for one form of logic (0 or 1) being a non-transition cell and each cell for the other form of logic (1 or 0) being a transition cell, each track being arcuate and being spaced from an adjacent track by a predetermined distance at a point intermediate the ends of each track, each track having the same radius throughout the arcuate path of said track such that the tracks extend in an arcuate manner across the data record carrier with each track having the same radius and being nested relative to adjacent tracks, characterized in that said predetermined distance is a center-to-center spacing between tracks (14) of 0.001 inch to 0.011 inch and each track (14) has a thickness of 0.0007 inch to 0.010 inch. -
Claim 35
Dependent Claim
195 words
A data record carrier including a substrate and digital data on the substrate in the form of a plurality of tracks each having therein a plurality of data cells for each bit of data (0 or 1) stored thereon, each cell having the same cell length in the direction of the track and the same cell width in a direction transverse to the direction of the track, each cell for one form of logic (0 or 1) being a non-transition cell and each cell for the other form of logic (1 or 0) being a transition cell, each track being arcuate and being spaced from an adjacent track by a predetermined distance at a point intermediate the ends of each track, each track having the same radius throughout the arcuate path of said track such that the tracks extend in an arcuate manner across the data record carrier with each track having the same radius and being nested relative to adjacent tracks, characterized in that said predetermined distance is a center-to-center spacing between tracks (14) of 0.001 inch to 0.011 inch and each track (14) has a thickness of 0.0007 inch to 0.010 inch. -
References Cited (Backward Citations)
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