Phototypesetter font disk

Claim 2

A phototypesetter font disk comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk identification information in digital form; means responsive to said spaced timing marks and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 3

A phototypesetter font disk comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 4

A phototypesetter font disk comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 5

The phototypesetter font disk of claim 2 wherein the number of strobe timing marks is equal to the number of indicia+N where N is one or more.

Claim 6

The phototypesetter font disk of claim 2 wherein the number of strobe timing mark locations is equal to the number of indicia plus two or more.

Claim 7

The font disk of claim 4 wherein a strobe timing mark is absent in at least one of said strobe timing mark locations.

Claim 8

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light modifying indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 9

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light modifying indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 10

The optically readable phototypesetter font disk of claim 6 wherein the disk substrate is flexible.

Claim 11

The optically readable phototypesetter font disk of claim 6 wherein the disk substrate is solid.

Claim 12

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light reflecting indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 13

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light reflecting indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion each being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 14

The optically readable phototypesetter font disk of claim 9 wherein the disk substrate is flexible.

Claim 15

The optically readable phototypesetter font disk of claim 9 wherein the disk substrate is solid.

Claim 16

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light transmitting indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 17

An optically readable phototypesetter font disk comprising: a disk substrate; a plurality of light transmitting indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a disk reference mark located on said disk; and, a plurality of circumferentially spaced marks positioned on said disk substrate in an annular array that defines a single track of font disk data in digital form with at least one portion of said circumferentially spaced marks constituting strobe timing marks that are each located at a predetermined position with respect to an associated indicia and with respect to said disk reference mark and with another portion of said circumferentially spaced marks constituting font disk information in digital form, said circumferentially spaced marks of said another portion being located between strobe timing marks and at a predetermined position with respect to said disk reference mark whereby the strobe timing marks can be distinguished from the marks constituting the font disk information by means of the angular distance of each mark from the reference mark.

Claim 18

The optically readable phototypesetter font disk of claim 12 wherein the disk substrate is flexible.

Claim 19

The optically readable phototypesetter font disk of claim 12 wherein the disk substrate is solid.

Claim 20

A phototypesetting apparatus comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia and with the number of timing marks being equal to the number of indicia+N where N is one or more; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing marks and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 21

A phototypesetting apparatus comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia and with the number of timing marks being equal to the number of indicia+N where N is one or more; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing marks and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 22

A phototypesetting apparatus comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia and with said strobe timing track having a number of timing mark locations equal to the number of indicia plus two or more; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing mark and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 23

A phototypesetting apparatus comprising: a disk substrate; a plurality of indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia and with said strobe timing track having a number of timing mark locations equal to the number of indicia plus two or more; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing mark and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 24

A phototypesetting apparatus comprising: a disk substrate; a plurality of light modifying indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing marks and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.

Claim 25

A phototypesetting apparatus comprising: a disk substrate; a plurality of light modifying indicia positioned on said disk substrate in an annular array with each indicia being circumferentially spaced from an adjacent indicia; a plurality of circumferentially spaced timing marks positioned on said disk substrate in an annular array that defines a strobe timing track, said timing marks each being located at a predetermined position with respect to an associated indicia; a plurality of circumferentially spaced data marks located within said strobe timing track with the data marks being positioned between the timing marks, said data marks representing font disk information in digital form; means responsive to said spaced timing marks and spaced data marks in said strobe timing track for producing signals representative of the presence and absence of said timing and data marks at a selected location with respect to said annular array that defines the strobe timing track; means responsive to said signals for separating the signals into timing marks signals and font disk information signals; and, utilization means responsive to said font disk information signals.