System for recording information on a photosensitive material

Claim 1

A typesetting system for recording information on a photosensitive material, comprising: a plurality of light emitting diodes arrranged in a nonlinear configuration; a plurality of fiber optic tubes with the input ends of said fiber optic tubes being coupled to respective ones of said light emitting diodes and with the output ends of said fiber optic tubes being arranged in a linear array and wherein the cross-sectional area of the input end of each of said fiber optic tubes is substantially larger than its output end, whereby the resolution of the recorded information and the configuration of the output ends of said fiber optic tubes is independent of the size and arrangement of said light emitting diodes; transport means for causing the photosensitve material to be passed by the output end of the fiber optic tubes; drive circuit means for simultaneously controlling the activation of each of said light emitting diodes in response to applied respective data signals, said drive circuit means including a plurality of latch circuits coupled to one terminal of respective light emitting diodes and a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for providing said data signals so as to cause said light emitting diodes to be controlled such that said information is recorded on said photosensitive material by the time modulation of said plurality of light emitting diodes as said photosensitive material is passed by the output end of said fiber optic tubes; said computer means including means for sequentially loading data into said latch circuits and for controlling said switch circuit during said data loading intervals such that the connections between the potential source and the other terminal of each of said light emitting diodes is interrupted.

Claim 4

A system for recording information on a photosensitive material, comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes with the input ends of said fiber optic tubes being coupled to respective ones of said light emitting diodes and with the output ends of said fiber optic tubes being arranged in a configuration different from the configuration of said plurality of light emitting diodes; transport means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; drive circuit means for simultaneously controlling the activation of each of said light emitting diodes in response to applied respective data signals, said drive circuit means including a plurality of latch circuits coupled to one terminal of respective light emitting diodes and a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for providing said data signals so as to cause said light emitting diodes to be controlled such that said information is recorded on said photosensitive material by the time modulation of said plurality of light emitting diodes as said photosensitive material is passed by the output ends of said fiber optic tubes, said computer means including means for sequentially loading data into said latch circuits and for controlling said switch circuit during said data loading intervals such that the connection between the potential source and the other terminal of each of said light emitting diodes is interrupted.

Claim 5

A system for recording information on a photosensitive material, comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes with the input ends of said fiber optic tubes being coupled to respective ones of said light emitting diodes and with the output ends of said fiber optic tubes being arranged in a configuration different from the configuration of said plurality of light emitting diodes; transport means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; drive circuit means for simultaneously controlling the activation of each of said light emitting diodes in response to applied respective data signals, said drive circuit means including a plurality of latch circuits coupled to one terminal of respective light emitting diodes and a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for providing said data signals so as to cause said light emitting diodes to be controlled such that said information is recorded on said photosensitive material by the time modulation of said plurality of light emitting diodes as said photosensitive material is passed by the output ends of said fiber optic tubes, said computer means including means for sequentially loading data into said latch circuits and for controlling said switch circuit during said data loading intervals such that the connection between the potential source and the other terminal of each of said light emitting diodes is interrupted.

Claim 7

A system for recording information on a photosensitive material comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes having their input ends coupled to respective ones of said light emitting diodes and having their output ends arranged in a linear array, and wherein the cross-sectional area of the input ends of said fiber optic tubes is different than that of their output ends whereby the resolution of the recorded information is independent of the size of said light emitting diodes; transport control means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; drive circuit means for simultaneously controlling the activation of each of said light emitting diodes in response to applied respective binary signals, said drive circuit means including a plurality of latch circuits each of which has a data input terminal coupled to receive a respective one of said binary signals and an output circuit coupled to one terminal of respective ones of said light emitting diodes; and said drive circuit means further including a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for sequentially producing matrices of rows and columns of binary signals such that each matrix is representative of one line of the data to be recorded and with each row of the matrix comprising a number of binary bits equal to the number of said light emitting diodes and for sequentially applying, a row at a time, said binary signals to the data input terminals of said latch circuits whereby the activation of each light emitting diode is controlled in accordance with the binary state of the signal last applied to the data input terminal of an associated one of said latch circuits; and for controlling said switch circuit during successive load intervals in which said binary signals are loaded into said latch circuits, so as to interrupt the connection between said potential source and said light emitting diodes.

Claim 8

A system for recording information on a photosensitive material comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes having their input ends coupled to respective ones of said light emitting diodes and having their output ends arranged in a linear array, and wherein the cross-sectional area of the input ends of said fiber optic tubes is different than that of their output ends whereby the resolution of the recorded information is independent of the size of said light emitting diodes; transport control means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; drive circuit means for simultaneously controlling the activation of each of said light emitting diodes in response to applied respective binary signals, said drive circuit means including a plurality of latch circuits each of which has a data input terminal coupled to receive a respective one of said binary signals and an output circuit coupled to one terminal of respective ones of said light emitting diodes; and said drive circuit means further including a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for sequentially producing matrices of rows and columns of binary signals such that each matrix is representative of one line of the data to be recorded and with each row of the matrix comprising a number of binary bits equal to the number of said light emitting diodes and for sequentially applying, a row at a time, said binary signals to the data input terminals of said latch circuits whereby the activation of each light emitting diode is controlled in accordance with the binary state of the signal last applied to the data input terminal of an associated one of said latch circuits; and for controlling said switch circuit during successive load intervals in which said binary signals are loaded into said latch circuits, so as to interrupt the connection between said potential source and said light emitting diodes.

Claim 10

A system for recording information on a photosensitive material comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes having their input ends coupled to respective ones of said light emitting diodes and having their output ends arranged in an array of a selected configuration; transport control means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; a plurality of latch circuits each of which has a data input terminal coupled to receive an applied binary signal and an output circuit coupled to one terminal of respective ones of said light emitting diodes; a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for sequentially producing matrices of rows and columns of binary signals such that each matrix is representative of one line of the data to be recorded and with each row of the matrix comprising a number of binary bits equal to the number of said light emitting diodes and for sequentially applying, a row at a time, said binary signals to the data input terminals of said latch circuits whereby the activation of each light emitting diode is controlled in accordance with the binary state of the signal last applied to the data input terminal of an associated one of said latch circuits; and for controlling said switch circuit during successive load intervals in which said binary signals are loaded into said latch circuits, so as to interrupt the connection between said potential source and said light emitting diodes.

Claim 11

A system for recording information on a photosensitive material comprising: a plurality of light emitting diodes; a plurality of fiber optic tubes having their input ends coupled to respective ones of said light emitting diodes and having their output ends arranged in an array of a selected configuration; transport control means for causing the photosensitive material to be passed by the output ends of the fiber optic tubes; a plurality of latch circuits each of which has a data input terminal coupled to receive an applied binary signal and an output circuit coupled to one terminal of respective ones of said light emitting diodes; a switch circuit coupled between a potential source and the other terminal of each of said light emitting diodes; and computer means for sequentially producing matrices of rows and columns of binary signals such that each matrix is representative of one line of the data to be recorded and with each row of the matrix comprising a number of binary bits equal to the number of said light emitting diodes and for sequentially applying, a row at a time, said binary signals to the data input terminals of said latch circuits whereby the activation of each light emitting diode is controlled in accordance with the binary state of the signal last applied to the data input terminal of an associated one of said latch circuits; and for controlling said switch circuit during successive load intervals in which said binary signals are loaded into said latch circuits, so as to interrupt the connection between said potential source and said light emitting diodes.