Side printing apparatus

Claim 2

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means driven by said product for detecting a moved length of said photosensitive product and to produce corresponding signals; and means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations.

Claim 3

Apparatus as claimed in claim 1, said means driven by said product comprising a drum about which the product passes in close contact, the continuous motion of said product rotating said drum to actuate said detector.

Claim 4

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitve product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and light sensing means operatively associated with a warning device to give a warning to indicate that said light sensing means is receiving light from said beam of laser light at an intensity lower than a predetermined level of intensity.

Claim 5

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitve product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and light sensing means operatively associated with a warning device to give a warning to indicate that said light sensing means is receiving light from said beam of laser light at an intensity lower than a predetermined level of intensity.

Claim 6

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and two focusing lenses after said deflecting means each being disposed above a side portion of said photosensitive product.

Claim 7

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and two focusing lenses after said deflecting means each being disposed above a side portion of said photosensitive product.

Claim 8

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; said deflecting means comprising three angularly rotatable galvanic mirrors, the first one of which deflects said modulated beam of laser light repeatedly alternately toward the other two, each mirror being disposed above a side portion of said photosensitive product for transversely scanning said side portion.

Claim 9

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; said deflecting means comprising three angularly rotatable galvanic mirrors, the first one of which deflects said modulated beam of laser light repeatedly alternately toward the other two, each mirror being disposed above a side portion of said photosensitive product for transversely scanning said side portion.

Claim 10

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and a mask plate with openings at opposite sides thereof disposed above said product, said openings being configured to allow the beam of laser light to strike only the margins of said product.

Claim 11

A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photosensitive product moving with continuous motion, said apparatus comprising: an oscillator for emitting a beam of laser light; means for modulating said beam of laser light upon passing therethrough; means for deflecting said modulated beam of laser light in accordance with the angular disposition thereof so as to scan the surface of a photosensitive product in a direction perpendicular to that in which said photosensitive product moves with continuous motion; means for selectively setting patterns of characters, numerals, symbols and the like, of which the latent images are required to be provided on said photosensitive product and simultaneously producing signals in accordance with said patterns selectively set; means for detecting a moved length of said photosensitive product and to produce corresponding signals; means for controlling said modulating means by said signals from said pattern setting means and said detecting means so as to provide said required latent images on said photosensitive product at predetermined locations; and a mask plate with openings at opposite sides thereof disposed above said product, said openings being configured to allow the beam of laser light to strike only the margins of said product.