Card-form recording medium and data recording device therefor

Claim 2

A card-form recording medium comprising: a plurality of recording tracks (6) provided on said card-form recording medium (1); and a data recording direction indicating sections (21; 8b and/or 22; 8c), provided on said card-form recording medium (1), and formed on at least one of both sides of said recording tracks (6) in a longitudinal direction thereof.

Claim 3

A card-form recording medium according to claim 1, further comprising: an ID section (3 and/or 4), provided on said card-­form recording medium (1), formed to include address information of data section (5 or 8) on said recording track (6), and formed on at least one of both sides of said recording tracks (6) in the longitudinal direc­tion; and a plurality of sector marks (9a and 9b), provided nearer to the center of said card-form recording medium (1) than said ID section (3 and/or 4), and formed to divide said data section (5) into a plurality of sectors (5a to 5c) and to include a particular mark pat­tern (Figs. 17A to 17C) which will not appear in said data section (5).

Claim 4

A card-form recording medium according to claim 1 or 2, characterized in that said data recording direction indicating section (21 and/or 22) is provided outside said data section (8) on said recording tracks (6).

Claim 5

A card-form recording medium according to claim 1 or 2, characterized in that said data recording direction indicating section (8b and/or 8c) is provided inside said data section (8) on said recording tracks (6).

Claim 6

A card-form recording medium comprising: a plurality of recording tracks (6) provided on said card-form recording medium (1); an ID section (3 and/or 4), provided on said card-­form recording medium (1), formed to include address information of data section (5) on said recording track (6), and formed on at least one of both sides of said recording tracks (6) in a longitudinal direction thereof; and a plurality of sector marks (9a and 9b), provided nearer to the center of said card-form recording medium (1) than said ID section (3 and/or 4), and formed to divide said data section (5) into a plurality of sectors (5a to 5d) and to include a particular mark pattern (Figs. 17A to 17C) which will not appear in said data section (5).

Claim 7

A card-form recording medium comprising: a plurality of recording tracks (6) provided on said card-form recording medium (1); an ID section (3 and/or 4), provided on said card-­form recording medium (1), formed to include address information of data section (5) on said recording track (6), and formed on at least one of both sides of said recording tracks (6) in a longitudinal direction thereof; and a plurality of sector marks (9a and 9b), provided nearer to the center of said card-form recording medium (1) than said ID section (3 and/or 4), and formed to divide said data section (5) into a plurality of sectors (5a to 5d) and to include a particular mark pattern (Figs. 17A to 17C) which will not appear in said data section (5).

Claim 8

A data recording device for card-form recording medium comprising: recording means (13-14; 31-35, 39, 41) for recording data on a plurality of recording tracks (6) provided on said card-form recording medium (1); and formation means (18-19, 25-26), coupled to said recording means (13), for forming a data recording direction indicating section (21, 8b and/or 22, 8c) on at least one of both sides of said recording tracks (6) in a longitudinal direction thereof.

Claim 9

A data recording device for card-form recording medium comprising: recording means (13-14; 31-35, 39, 41) for recording data on a plurality of recording tracks (6) provided on said card-form recording medium (1); and formation means (18-19, 25-26), coupled to said recording means (13), for forming a data recording direction indicating section (21, 8b and/or 22, 8c) on at least one of both sides of said recording tracks (6) in a longitudinal direction thereof.

Claim 10

A data recording device according to claim 6, characterized in that said recording means (13-14; 31-35, 39, 41) has a function for forming an ID section (3 and/or 4), which includes address information of data section (5 or 8) provided on said recording track (6), on at least one of both sides of said recording tracks (6) in the longitudinal direction, and for forming a plurality of sector marks (9a-9b) nearer to the center of said card-form recording medium (1) than said ID sec­tion (3 and/or 4), so that said data section (5) is divided into a plurality of sectors (5a to 5c), said ID section including a particular mark pattern (Figs. 17A to 17C) which will not appear in said data section (5).

Claim 11

A data recording device according to claim 6 or 7, characterized in that said formation means (18-19, 25-26) causes said data recording direction indicating section (21 and/or 22) to be provided outside said data section (8) on said recording tracks (6).

Claim 12

A data recording device according to claim 6 or 7, characterized in that said formation means (18-19, 25-26) causes said data recording direction indicating section (8b and/or 8c) to be provided inside said data section (8) on said recording tracks (6).

Claim 13

A data recording device according to any one of claims 6 to 9, further comprising: reproduction means (15-16) for reproducing from said card-form recording medium (1) a reproduction signal (E16), including information of said data recording direction indicating section (21, 8b and/or 22, 8c) and data of said recording tracks; data detection means (17), coupled to said repro­duction means (16), for detecting recording track data (D17) of said recording tracks (6) from the reproduction signal (E16); data recording direction detection means (27-28), coupled to said reproduction means (16), for detecting information (E27, E28) of said data recording direction indicating section (21, 8b and/or 22, 8c) from the reproduction signal (E16); and memory means (11, 18), coupled to said data detec­tion means (17) and data recording direction detection means (27-28), for storing the recording track data (D17) from a lower address in case where the information (E27, E28) of said data recording direction indicating section (21, 22) specifies a first direction (from the left to right), and storing the recording track data (D17) from an upper address in case where the infor­mation (E27, E28) of said data recording direction indi­cating section (21, 22) specifies a second direction (from the right to left) opposite to the first direction, wherein the data (D17) stored in said memory means (11, 18) is used as data to be recorded on said plurality of recording tracks (6) on said card-form recording medium (1).

Claim 14

A data recording device according to any one of claims 7 to 9, further comprising: readout means (31) for reading out recording track data (E311) of said recording tracks (6) from said card-­form recording medium (1); moving means (32-35) for moving said card-form recording medium (1) relative to said readout means (31); reproduction means (38), coupled to said readout means (31), for generating a reproduction signal (E38) including the recording track data (E311); and sector mark detection means (37), coupled to said reproduction means (38), for detecting the sector mark (9a-9c) from the reproduction signal (E38).

Claim 15

A data recording device according to claim 11, further comprising: position signal generating means (36), coupled to said moving means (32-35), for generating a position signal (E36) indicating a relative position between said card-form recording medium (1) and said readout means (31), wherein said sector mark detection means (37) includes a sector mark detection circuit (42-45) con­nected to said reproduction means (38) and said position signal generating means (36), for detecting the sector mark (9a-9c) based on the logical sum of the reproduc­tion signal (E38) and the position signal (E36).