A roll duplicator for continuously copying images of an original film onto a copy film

Claim 2

A roll duplicator for continuously copying images of an original film onto a copy film, comprising: supply reel means for carrying thereon a roll of copy film, said copy film being able to form color by light of a first wavelength range and losing its color forming property by light of a second wavelength range different from said first wavelength range; first exposure means including a first light source for producing light of said first wavelength range, and first guide means for guiding said copy and original films in overlapped relationship through an area illuminated by a flux of light produced by said first light source; second exposure means provided downstream of said first exposure means in the direction of movement of said copy film, said second exposure means including a second light source for producing light of said second wavelength range, and second guide means for guiding at least said copy film through an area illuminated by a flux of light produced by said second light source; take-up reel means for winding thereon said copy film; and copy film driving means including a member for driving said take-up reel means and said copy film so as to continuously transport said copy film from said supply reel means to said take-up reel means; whereby said copy film and said original film may be guided while overlapped through said first exposure means, whereafter either said copy film may be singly guided through said second exposure means or both of said copy film and said original film may be guided while overlapped through said second exposure means, so that positive or negative images corresponding to the images on said original film may be continuously formed and fixed on said copy film through exposure processes provided by said first and second exposure means.

Claim 3

A roll duplicator as defined in claim 1, wherein each of said first and said second exposure means includes a stop member for adjusting quantity of light interposed between their respective light sources and their respective guide means, whereby said two exposure means may be operated in a controlled manner.

Claim 4

A roll duplicator as defined in claim 1, wherein each of said first and said second guide means comprises a light-transmitting cylinder within which each of said light sources is disposed.

Claim 5

A roll duplicator for continuously copying images of an original film onto a copy film, comprising: supply reel means for carrying thereon a roll of copy film capable of forming color by light of a first wavelength range and losing its color forming property by light of a second wavelength range different from said first wavelength range; first exposure means including a first light source for producing light of said first wavelength range and light of said second wavelength range, first guide means for guiding said copy and original films in overlapped relationship through an area illuminated by a flux of light produced by said first light source, and filter means interposed between said first guide means and said first light source, said filter means having a first filter member for exclusively transmitting light of said first wavelength range and a second filter member for exclusively transmitting light of said second wavelength range, said first and second filter members being selectively disposed in the area illuminated by said first light source and between said first light source and said first guide means; second exposure means including a second light source for producing light of said second wavelength range and light of said first wavelength range, second guide means for guiding said copy film through an area illuminated by a flux of light produced by said second light source, and filter means interposed between said second guide means and said second light source, said filter means having a third filter member for exclusively transmitting light of said second wavelength range and a fourth filter member for exclusively transmitting light of said first wavelength range, said third and fourth filter members being selectively disposed in the area illuminated by said second light source and between said second light source and said second guide means; take-up reel means for winding thereon said copy film; and copy film driving means including a member for driving said take-up reel means and said copy film so as to continuously transport said copy film from said supply reel means to said take-up reel means; whereby said copy film and said original film may be guided while overlapped through said first exposure means, whereafter said copy film may be guided through said second exposure means while the filter members of said first and said second filter means are selectively positioned in place in said first and second exposure means, respectively, so that positive or negative images corresponding to the images on said original film may be continuously formed and fixed on said copy film only through said two exposure means.

Claim 6

A roll duplicator for continuously copying images of an original film onto a copy film, comprising: supply reel means for carrying thereon a roll of copy film capable of forming color by light of a first wavelength range and losing its color forming property by light of a second wavelength range different from said first wavelength range; first exposure means including a first light source for producing light of said first wavelength range and light of said second wavelength range, first guide means for guiding said copy and original films in overlapped relationship through an area illuminated by a flux of light produced by said first light source, and filter means interposed between said first guide means and said first light source, said filter means having a first filter member for exclusively transmitting light of said first wavelength range and a second filter member for exclusively transmitting light of said second wavelength range, said first and second filter members being selectively disposed in the area illuminated by said first light source and between said first light source and said first guide means; second exposure means including a second light source for producing light of said second wavelength range and light of said first wavelength range, second guide means for guiding said copy film through an area illuminated by a flux of light produced by said second light source, and filter means interposed between said second guide means and said second light source, said filter means having a third filter member for exclusively transmitting light of said second wavelength range and a fourth filter member for exclusively transmitting light of said first wavelength range, said third and fourth filter members being selectively disposed in the area illuminated by said second light source and between said second light source and said second guide means; take-up reel means for winding thereon said copy film; and copy film driving means including a member for driving said take-up reel means and said copy film so as to continuously transport said copy film from said supply reel means to said take-up reel means; whereby said copy film and said original film may be guided while overlapped through said first exposure means, whereafter said copy film may be guided through said second exposure means while the filter members of said first and said second filter means are selectively positioned in place in said first and second exposure means, respectively, so that positive or negative images corresponding to the images on said original film may be continuously formed and fixed on said copy film only through said two exposure means.

Claim 7

A roll duplicator as defined in claim 4, wherein each of said first and second guide means comprises a light-transmitting cylinder within which each of said light sources is disposed, and each of said first and second filter means comprises a cylindrically-shaped member interposed between each of said light source and each of said guide means, the circumference of said cylindrically-shaped member forming said two filter members of said respective filter means.

Claim 8

A roll duplicator for continuously copying images of an original film onto a copy film, coMprising: supply reel means for carrying thereon a roll of copy film capable of forming color by light of a first wavelength range and losing its color forming property for light of a second wavelength range different from said first wavelength range; first exposure means including a light source comprising a first luminous lamp for producing light of said second wavelength range and a second luminous lamp for producing light of said first wavelength range, first guide means for guiding said copy and original films in overlapped relationship through an area illuminated by a flux of light produced by said first light source, and filter means interposed between said first guide and said first light source, said filter means having a first filter member for exclusively transmitting light of said first wavelength range and a second filter member for exclusively transmitting light of said second wavelength range, said first and second filter members being selectively disposed in the area illuminated by said first light source and between said first light source and said first guide means; second exposure means including a second light source comprising a third luminous lamp for producing light of said first wavelength range and a fourth luminous lamp for producing light of said second wavelength range, second guide means for guiding said copy film through an area illuminated by a flux of light produced by said second light source, and filter means interposed between said second guide means and said second light source, said filter means having a third filter member for exclusively transmitting light of said second wavelength range and a fourth filter member for exclusively transmitting light of said first wavelength range, said third and fourth filter members being selectively disposed in the area illuminated by said second light source and between said second light source and said second guide means; take-up reel means for winding thereon said copy film, copy film driving means includig a member for driving said take-up reel means and said copy film so as to continuously transport said copy film form said supply reel means to said take-up reel means; whereby said copy film and said original film may be guided while overlapped through said first exposure means, whereafter said copy film may be guided through said second exposure means while said luminous lamps in said first and second exposure means are selectively turned on respectively, so that positive or negative images corresponding to the images on said original film may be continuously formed and fixed on said copy film only through said two exposure means.

Claim 9

A roll duplicator for continuously copying images of an original film onto a copy film, coMprising: supply reel means for carrying thereon a roll of copy film capable of forming color by light of a first wavelength range and losing its color forming property for light of a second wavelength range different from said first wavelength range; first exposure means including a light source comprising a first luminous lamp for producing light of said second wavelength range and a second luminous lamp for producing light of said first wavelength range, first guide means for guiding said copy and original films in overlapped relationship through an area illuminated by a flux of light produced by said first light source, and filter means interposed between said first guide and said first light source, said filter means having a first filter member for exclusively transmitting light of said first wavelength range and a second filter member for exclusively transmitting light of said second wavelength range, said first and second filter members being selectively disposed in the area illuminated by said first light source and between said first light source and said first guide means; second exposure means including a second light source comprising a third luminous lamp for producing light of said first wavelength range and a fourth luminous lamp for producing light of said second wavelength range, second guide means for guiding said copy film through an area illuminated by a flux of light produced by said second light source, and filter means interposed between said second guide means and said second light source, said filter means having a third filter member for exclusively transmitting light of said second wavelength range and a fourth filter member for exclusively transmitting light of said first wavelength range, said third and fourth filter members being selectively disposed in the area illuminated by said second light source and between said second light source and said second guide means; take-up reel means for winding thereon said copy film, copy film driving means includig a member for driving said take-up reel means and said copy film so as to continuously transport said copy film form said supply reel means to said take-up reel means; whereby said copy film and said original film may be guided while overlapped through said first exposure means, whereafter said copy film may be guided through said second exposure means while said luminous lamps in said first and second exposure means are selectively turned on respectively, so that positive or negative images corresponding to the images on said original film may be continuously formed and fixed on said copy film only through said two exposure means.

Claim 10

A roll duplicator as defined in claim 1, wherein said first and second guide means each comprises a transparent cylinder having a light source dispose therein.