US4809064A — Enlarging photographic printer

Claim 1

Independent Claim 89 words

A method of imaging a selected region of a transparency onto a selected medium, comprising the steps of: projecting said transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; defining, by adjusting the magnification of said first zoom lens, said selected region of said transparency; and adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said transparency onto said selected medium.

Claim 2

Independent Claim 89 words

A method of imaging a selected region of a transparency onto a selected medium, comprising the steps of: projecting said transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; defining, by adjusting the magnification of said first zoom lens, said selected region of said transparency; and adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said transparency onto said selected medium.

Claim 3

Dependent Claim 31 words

A method in accordance with claim 1 wherein said defining step is performed by a human operator adjusting the magnification of said first zoom lens while examining the image formed thereby.

Claim 4

Dependent Claim 26 words

A method in accordance with claim 2 wherein said defining step further comprises displaying the image formed by said first zoom lens on a video display.

Claim 5

Dependent Claim 24 words

A method in accordance with claim 2 wherein said adjusting step is performed automatically dependant on the operator setting of said first zoom lens.

Claim 6

Dependent Claim 27 words

A method in accordance with claim 4 wherein said defining step is performed by stepping the magnification of said first zoom lens responsive to said operator adjusting.

Claim 7

Dependent Claim 22 words

A method in accordance with claim 5 wherein said adjusting step is performed by stepping the magnification of said second zoom lens.

Claim 8

Dependent Claim 90 words

Apparatus for imaging a selected region of a transparency onto a selected medium comprising: first and second zoom lenses, each having an adjustable magnification; means for projecting said transparency onto said first and second zoom lenses; means for defining, by adjusting the magnification of said first zoom lens, said selected region of said transparency; and means for adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said transparency onto said selected medium.

Claim 9

Dependent Claim 90 words

Apparatus for imaging a selected region of a transparency onto a selected medium comprising: first and second zoom lenses, each having an adjustable magnification; means for projecting said transparency onto said first and second zoom lenses; means for defining, by adjusting the magnification of said first zoom lens, said selected region of said transparency; and means for adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said transparency onto said selected medium.

Claim 10

Dependent Claim 12 words

Apparatus in accordance with claim wherein said projecting means includes a beamsplitter.

Claim 11

Dependent Claim 31 words

Apparatus in accordance with claim 7 wherein said defining means includes means for a human operator to adjust the magnification of said first zoom lens while examining the image formed thereby.

Claim 12

Dependent Claim 27 words

Apparatus in accordance with claim 9 wherein said defining means further comprises means for displaying the image formed by said first zoom lens on a video display.

Claim 13

Dependent Claim 32 words

Apparatus in accordance with claim 9 wherein said adjusting means includes means for automatically adjusting the magnification of said second zoom lens dependent on the operator adjustment of said first zoom lens.

Claim 14

Dependent Claim 42 words

Apparatus in accordance with claim 10 wherein said human operator adjusting means includes: a stepper motor attached to said first zoom lens for adjusting the magnification of said first zoom lens; and means responsive to operator interaction for stepping said stepper motor.

Claim 15

Dependent Claim 21 words

Apparatus in accordance with claim 12 wherein said defining means further includes means for storing the position of said stepper motor.

Claim 16

Dependent Claim 51 words

Apparatus in accordance with claim 13 wherein said adjusting means includes: a second stepper motor attached to said secod zoom lens for varying the magnification thereof; means attached to said second stepper motor for stepping said second stepper motor as a function of the position of the first said stepper motor.

Claim 17

Independent Claim 128 words

A method of printing a selected region of a photographic transparency onto a photosensitive medium whereby to form an enlarged and cropped print of said photographic transparency, comprising the steps of: projecting said photographic transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; defining, by adjusting the magnification of said first zoom lens, said selected region of said photographic transparency; adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said photographic transparency onto said photosensitive medium; and exposing said selected region of said photographic transparency onto said photosensitive medium, using said second zoom lens, for a predetermined period of time.

Claim 18

Independent Claim 128 words

A method of printing a selected region of a photographic transparency onto a photosensitive medium whereby to form an enlarged and cropped print of said photographic transparency, comprising the steps of: projecting said photographic transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; defining, by adjusting the magnification of said first zoom lens, said selected region of said photographic transparency; adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said photographic transparency onto said photosensitive medium; and exposing said selected region of said photographic transparency onto said photosensitive medium, using said second zoom lens, for a predetermined period of time.

Claim 19

Dependent Claim 30 words

A method in accordance with claim 15 wherein said projecting step comprises: projecting light through said photographic transparency; and splitting the light projected through said photographic transparency with a beamsplitter.

Claim 20

Dependent Claim 31 words

A method in accordance with claim 15 wherein said defining step is performed by a human operator adjusting the magnification of said first zoom lens while examining the image formed thereby.

Claim 21

Dependent Claim 45 words

A method in accordance with claim 17 wherein said adjusting step is further performed by the steps of: impinging the image formed by said first zoom lens onto a video imaging means; and displaying the output of said video imaging means on a video display.

Claim 22

Dependent Claim 54 words

A method in accordance with claim 17 wherein said defining step comprises: initializing the magnification of said first zoom lens at a starting magnification; stepping, responsive to instruction by said human operator, the magnification of said first zoom lens to an operator determined ending magnification; and storing a signal representative of said ending magnification.

Claim 23

Dependent Claim 45 words

A method in accordance with claim 19 wherein said adjusting step comprises: reading said signal representative of said ending magnification; and stepping the magnification of said second zoom lens to a magnification determined as a function of the ending magnification of said first zoom lens.

Claim 24

Dependent Claim 36 words

A method in accordance with claim 20 wherein said first and second zoom lenses each includes a variable aperture, and wherein said exposing step includes stepping the aperture settings of said first and second zoom lenses.

Claim 25

Dependent Claim 132 words

Apparatus for printing a selected region of a photographic transparency onto a photosensitive medium whereby to form an enlarged and cropped print of said photographic transparency, comprising: means for projecting said photographic transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; means for defining, by adjusting the magnification of said first zoom lens, said selected region of said photographic transparency; means for adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said photographic transparency onto said photosensitive medium; and means for exposing said selected region of said photographic transparency onto said photosensitive medium, though said second zoom lens, for a predetermined period of time.

Claim 26

Dependent Claim 132 words

Apparatus for printing a selected region of a photographic transparency onto a photosensitive medium whereby to form an enlarged and cropped print of said photographic transparency, comprising: means for projecting said photographic transparency onto first and second zoom lenses, each of said first and second zoom lenses having an adjustable magnification; means for defining, by adjusting the magnification of said first zoom lens, said selected region of said photographic transparency; means for adjusting, as a function of the magnification of said first zoom lens, the magnification of said second zoom lens so as to image said selected region of said photographic transparency onto said photosensitive medium; and means for exposing said selected region of said photographic transparency onto said photosensitive medium, though said second zoom lens, for a predetermined period of time.

Claim 27

Dependent Claim 41 words

Apparatus in accordance with claim 22 wherein said projecting means comprises: means for projecting light through said photographic transparency; and a beamsplitter disposed so as to direct the light projected through said photographic transparency onto said first and second zoom lenses.

Claim 28

Dependent Claim 31 words

Apparatus in accordancr with claim 22 wherein said defining means comprises means for a human operator to adjust the magnification of said first zoom lens while examining the image formed thereby.

Claim 29

Dependent Claim 36 words

Apparatus in accordance with claim 24 wherein said defining means further comprises: video imaging means for sensing the image formed by said first zoom lens; and means for displaying the output of said video imaging means.

Claim 30

Dependent Claim 35 words

Apparatus in accordance with claim 24 wherein said defining means further comprises means responsive to input by said human operator for selectively translating or rotating said photographic transparency in the plane of said photographic transparency.

Claim 31

Dependent Claim 71 words

Apparatus in accordance with claim 24 wherein said defining means further comprises: a first stepper motor connected to said first zoom lens; means connected to said first stepper motor for initializing the magnification of said first zoom lens to a starting magnification; means connected to said first stepper motor for stepping, responsive to instruction by said human operator, the magnification of aid first zoom lens to an operator determined ending magnification.

Claim 32

Dependent Claim 22 words

Apparatus in accordance with claim 27 wherein said defining means further comprises means for storing a signal representative of said ending magnification.

Claim 33

Dependent Claim 63 words

Apparatus in accordance with claim 28 wherein said adjusting means comprises: means for reading said signal representative of said ending magnification; a stepper motor connected to said second zoom lens; and means connected to said second stepper motor for stepping the magnification of said second zoom lens to a magnification determined as a function of the ending magnification of said first zoom lens.

Claim 34

Dependent Claim 32 words

Apparatus in accordance with claim 29 wherein said adjusting means further comprises means connected to said second stepper motor for initializing the magnification of said second zoom lens to a starting magnification.

Claim 35

Dependent Claim 39 words

Apparatus in accordance with claim 24 wherein: said first and second zoom lenses each include variable apertures; and said exposing means includes separate stepper motors connected to said first and second zoom lenses, respectively, for varying the apertures thereof.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-02-28	1992-08-29	1993-02-28	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-02-28	1996-08-29	1997-02-28	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-02-28	2000-08-29	2001-02-28	$7700.00	Window Closed / Lapsed

Enlarging photographic printer

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