Patent EP0265362A2 successfully refreshed from Google Patents.
EP0265362A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Colour picture scanner
Assignee: Scitex Corp Ltd
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Filing: 1987-04-30
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Granted: —
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Expires: 2007-04-30
Abstract
Abstract A color separation scanner comprising a movable support arranged for mounting thereon of a two-dimensional input picture to be scanned and color separation sensing apparatus arranged for sensing the two-dimensional input picture for providing electrical signals representing color separations of the two-dimensional picture, the color separation sensing apparatus including a scanning head having a plurality of generally parallel CCD arrays, associated with dichroic filter apparatus and operative for simultaneous scanning of the two-dimensional input picture.
Inventors
- 👤 Michael Nagler
- 👤 Eli Israeli
- 👤 Eli Shalev
- 👤 Moshe Yanai
- 👤 Yossi Ronen
- 👤 Yigal Accad
- 👤 Avraham Bachar
- 👤 Yehoshua Garibi
- 👤 Avinoam Livni
- 👤 Amir Segev
- 👤 Danial Seidner
- 👤 William Schreiber
- 👤 Haim Melman
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 13:01
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/48; H04N1/387; H04N1/3872; H04N1/3873; H04N1/3875; H04N1/40; H04N1/401; H04N1/486; H04N1/488
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
75 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional input picture to be scanned; and color separation sensing means arranged for sensing the two-dimensional input picture for providing electrical signals representing color separations of the two-dimensional picture, said color separation sensing means including a scanning head having a plurality of generally parallel CCD arrays, associated with dichroic filter means and operative for simultaneous scanning of the two-dimensional input picture.
Claim 2
Dependent Claim
75 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional input picture to be scanned; and color separation sensing means arranged for sensing the two-dimensional input picture for providing electrical signals representing color separations of the two-dimensional picture, said color separation sensing means including a scanning head having a plurality of generally parallel CCD arrays, associated with dichroic filter means and operative for simultaneous scanning of the two-dimensional input picture.
Claim 3
Dependent Claim
100 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional input picture to be scanned and having first and second ranges of operative orientations; television sensing means arranged for sensing the two-dimensional input picture when the movable support is in a first range of operative orientations for providing a visible display of the two-dimensional input picture to an operator; and color separation sensing means arranged for sensing the two-dimensional input picture when the movable support is in a second range of operative orientations for providing electrical signals representing color separations of the two-dimensional input picture.
Claim 4
Dependent Claim
100 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional input picture to be scanned and having first and second ranges of operative orientations; television sensing means arranged for sensing the two-dimensional input picture when the movable support is in a first range of operative orientations for providing a visible display of the two-dimensional input picture to an operator; and color separation sensing means arranged for sensing the two-dimensional input picture when the movable support is in a second range of operative orientations for providing electrical signals representing color separations of the two-dimensional input picture.
Claim 5
Dependent Claim
53 words
A color separation scanner according to claim 2 and also comprising focusing means including common mounting means for said color separation sensing means and said television sensing means, and means for selectably locating said common mounting means, whereby focusing of the television sensed picture automatically provides focusing of the color separation sensed picture.
Claim 6
Dependent Claim
44 words
A color separation scanner according to either of claims 2 and 3 and wherein said color separation sensing means comprises a scanning head including a plurality of CCD arrays, each associated with a corresponding dichroic filter, operative for simultaneous scanning of the two-dimensional picture.
Claim 7
Dependent Claim
52 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional picture to be scanned; and color separation sensing means comprising selectably operable light sources arranged in light directing relationship with opposite surfaces of the movable support, so as to be adapted for either reflective or transmissive scanning.
Claim 8
Dependent Claim
52 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional picture to be scanned; and color separation sensing means comprising selectably operable light sources arranged in light directing relationship with opposite surfaces of the movable support, so as to be adapted for either reflective or transmissive scanning.
Claim 9
Dependent Claim
47 words
A color separation scanner according to any of claims 1 - 4 and wherein said color separation sensing means comprises selectably operable light sources arranged in light directing relationship with opposite surfaces of the movable support, so as to be adapted for either reflective or transmissive scanning.
Claim 10
Dependent Claim
27 words
A color separation scanner according to either of claim 5 and 6 and wherein said selectably operable light sources include a curved light guide for transmissive scanning.
Claim 11
Dependent Claim
41 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional picture to be scanned; and color separation sensing apparatus, and wherein the movable support is arranged for selectable mounting thereon of opaque and transparent two-dimensional pictures.
Claim 12
Dependent Claim
41 words
A color separation scanner comprising: a movable support arranged for mounting thereon of a two-dimensional picture to be scanned; and color separation sensing apparatus, and wherein the movable support is arranged for selectable mounting thereon of opaque and transparent two-dimensional pictures.
Claim 13
Dependent Claim
28 words
A color separation scanner according to any of claims 1 - 7 and wherein movable support is arranged for selectable mounting thereon of opaque and transparent two-dimensional pictures.
Claim 14
Dependent Claim
53 words
A color separation scanner according to any of the preceding claims and wherein said movable support comprises a cassette holder and said scanner also comprises a plurality of cassettes including cassettes which are configured to be suitable for mounting transparencies and cassettes which are configured to be suitable for mounting opaque two-dimensional pictures.
Claim 15
Dependent Claim
33 words
A color separation scanner according to claim 10 and wherein said cassettes are formed with optical indications so as to provide an automatically sensible indication of focus for sensing by the focusing means.
Claim 16
Dependent Claim
33 words
A color separation scanner according to claim 10 and wherein said cassettes are formed with optical indications so as to provide an automatically sensible indication of magnification for sensing by the focusing means.
Claim 17
Dependent Claim
24 words
A color separation scanner comprising adaptive sharpening means for providing enhancement of the high frequency content of operator selectable regions of a two-dimensional picture.
Claim 18
Dependent Claim
24 words
A color separation scanner comprising adaptive sharpening means for providing enhancement of the high frequency content of operator selectable regions of a two-dimensional picture.
Claim 19
Dependent Claim
34 words
A color separation scanner according to any of claims 1 - 12 and also comprising adaptive sharpening means for providing enhancement of the high frequency content of operator selectable regions of a two-dimensional picture.
Claim 20
Dependent Claim
22 words
A color separation scanner comprising means for correcting for spatial inaccuracies in the scanning head and including an empirically calibrated look-up table.
Claim 21
Dependent Claim
22 words
A color separation scanner comprising means for correcting for spatial inaccuracies in the scanning head and including an empirically calibrated look-up table.
Claim 22
Dependent Claim
32 words
A color separation scanner according to any of claims 1 - 14 and also comprising means for correcting for spatial inaccuracies in the scanning head and including an empirically calibrated look-up table.
Claim 23
Dependent Claim
23 words
A color separation scanner according to any of the preceding claims and also comprising means for providing automatic focusing of the input picture.
Claim 24
Dependent Claim
23 words
A color separation scanner according to any of the preceding claims and also comprising means for providing magnification setting of the input picture.
Claim 25
Dependent Claim
27 words
A color separation scanner according to any of the preceding claims and wherein said dichroic filters comprise colored glass having a dichroic coating on their incident surfaces.
Claim 26
Dependent Claim
21 words
A color separation scanner according to claim 19 and wherein said dichroic filters comprise an antireflective coating on their exiting surfaces.
Claim 27
Dependent Claim
32 words
A color separation scanner according to any of the preceding claims and wherein said dichroic filters are arranged such that the angle of incidence of light thereon is less than 45 degrees.
Claim 28
Dependent Claim
37 words
A color separation scanner according to any of the preceding claims and also comprising interpolation means operative to provide registration between the plurality of CCD array outputs in different colors and also to provide electronic magnification adjustment.
Claim 29
Dependent Claim
27 words
A color separation scanner according to any of the preceding claims and wherein said cassette include means for providing a machine readable indication of input picture size.
Claim 30
Dependent Claim
23 words
A color separation scanner according to any of the preceding claims and also comprising means for providing electronic cropping on pre-scanned input pictures.
Claim 31
Dependent Claim
25 words
A color separation scanner according to any of the preceding claims and also comprising means for automatically setting magnification during pre-scanning of an input picture.
Claim 32
Dependent Claim
32 words
A color separation scanner according to any of the preceding claims and wherein said cassette comprises an etched glass surface adjacent to said input picture for preventing the generation of Newton rings.
Claim 33
Independent Claim
77 words
A method of color separation scanning of an input picture comprising the steps of: pre-scanning at least a portion of the input picture at least one time for providing an output indication of magnification, focus, lens aperture setting and brightness; and scanning the input picture in accordance with magnification, focus, lens aperture setting, crop area, rotation angle and brightness determined in the pre-scanning step to provide a full-resolution output indication of color separations of the input picture.
Claim 34
Independent Claim
77 words
A method of color separation scanning of an input picture comprising the steps of: pre-scanning at least a portion of the input picture at least one time for providing an output indication of magnification, focus, lens aperture setting and brightness; and scanning the input picture in accordance with magnification, focus, lens aperture setting, crop area, rotation angle and brightness determined in the pre-scanning step to provide a full-resolution output indication of color separations of the input picture.
Claim 35
Dependent Claim
29 words
A method according to claim 27 and also comprising the step of modifying the output indication of color separations of the input picture in accordance with operator indicated instructions.
Claim 36
Dependent Claim
22 words
A method according to claim 28 and wherein said operator indicated instructions comprise instructions for cropping, rotation, adaptive sharpening and lateral shifting.
Claim 37
Independent Claim
28 words
A method according to any of claims 27 - 29 and also comprising the step of automatically determining the calibration parameters of CCD array detectors prior to scanning.
Claim 38
Independent Claim
68 words
A method of color separation scanning of an input picture comprising the steps of: pre-scanning the input picture for providing an output indication of magnification, focus, lens aperture setting and brightness; and scanning the input picture in accordance with at least one of magnification, focus, lens aperture setting and brightness determined in the pre-scanning step to provide a full-resolution output indication of color separations of the input picture.
Claim 39
Independent Claim
68 words
A method of color separation scanning of an input picture comprising the steps of: pre-scanning the input picture for providing an output indication of magnification, focus, lens aperture setting and brightness; and scanning the input picture in accordance with at least one of magnification, focus, lens aperture setting and brightness determined in the pre-scanning step to provide a full-resolution output indication of color separations of the input picture.
Claim 40
Dependent Claim
28 words
The method of claim 31 and also comprising the step of modifying the output indication of color separations of the input picture in accordance with operator indicated instructions.
Claim 41
Dependent Claim
25 words
The method of claim 32 and wherein said operator indicated instructions comprise instructions for at least one of cropping, rotation, adaptive sharpening and lateral shifting.
Claim 42
Independent Claim
121 words
A method for fitting a picture into a layout of a page during scanning, whereby the picture may be moved, rotated, enlarged or reduced while it is being scanned so that it will fit precisely in a desired location in the scanned layout and comprising the steps of: scanning a picture and displaying it to an operator on a TV screen; displaying the page layout on the screen so that it is viewed with markings at the top of the picture; marking two points on the displayed picture and two corresponding points on the layout where the two picture points are to fit; and performing computer computations of the geometrical parameters so as to rescan the picture according to those parameters.
Claim 43
Independent Claim
121 words
A method for fitting a picture into a layout of a page during scanning, whereby the picture may be moved, rotated, enlarged or reduced while it is being scanned so that it will fit precisely in a desired location in the scanned layout and comprising the steps of: scanning a picture and displaying it to an operator on a TV screen; displaying the page layout on the screen so that it is viewed with markings at the top of the picture; marking two points on the displayed picture and two corresponding points on the layout where the two picture points are to fit; and performing computer computations of the geometrical parameters so as to rescan the picture according to those parameters.
Claim 44
Dependent Claim
17 words
A method according to claim 27 and wherein said scanning step includes step-wise movement of the picture.
Claim 45
Dependent Claim
49 words
A method according to claim 35 and wherein said step-wise movement comprises the following steps: the carriage carrying the picture moves a certain distance after a line is exposed, and then stops until the vibration produced by the movement is terminated, exposes a new line and then moves again.
Claim 46
Dependent Claim
44 words
A method according to claim 27 and wherein said scanning step comprises the steps of scanning the input picture with a resolution higher by a certain integer factor k than the required final resolution and averaging k consecutive lines to form one output line.
Claim 47
Dependent Claim
57 words
A method according to claim 27 and wherein said scanning step includes continuous movement of said input picture and said movement may be interrupted by stop spiral procedures comprising the following steps: stop movement; move backwards; wait for the computer to be ready to receive data; begin forward acceleration; resume scanning when the stop location is reached.
Claim 48
Dependent Claim
34 words
Apparatus according to claim 4 and wherein said CCD arrays are positioned in the optical head such that each CCD is positioned at the best focal plane for the color separation that it senses.
Claim 49
Dependent Claim
24 words
Apparatus according to claim 1 and also comprising a light table assembly comprising a lamp, a set of filters, a diffuser and a screen.
Claim 50
Dependent Claim
35 words
A color separation scanner according to claim 1 and wherein said color separation sensing means comprises a single CCD array and a plurality of different filters disposed in selectable optical communication with said CCD array.
References Cited (Backward Citations)
No citation records indexed.
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