US5136153A — Color image forming apparatus having image intens…

Claim 1

Independent Claim 164 words

An image forming apparatus for irradiating an image light on a photosensitive recording medium having at least one photosensitive wavelength range on the basis of an image information to thereby form an image on the photosensitive recording medium, comprising: primary electron emitting means responsive to light of a first wavelength for emitting a primary electron signal having the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means for converting the multiplied secondary electrons into fluorescent light having a second wavelength in the photosensitive wavelength range of the photosensitive recording medium and irradiating the fluorescent light onto the photosensitive recording medium, thereby forming an image on the photosensitive recording medium; means for feeding said photosensitive recording medium in a predetermined direction and exposing it to said fluorescent light, to develop thereby a latent image on said photosensitive recording medium; and means for developing said latent image on said recording medium.

Claim 2

Dependent Claim 164 words

An image forming apparatus for irradiating an image light on a photosensitive recording medium having at least one photosensitive wavelength range on the basis of an image information to thereby form an image on the photosensitive recording medium, comprising: primary electron emitting means responsive to light of a first wavelength for emitting a primary electron signal having the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means for converting the multiplied secondary electrons into fluorescent light having a second wavelength in the photosensitive wavelength range of the photosensitive recording medium and irradiating the fluorescent light onto the photosensitive recording medium, thereby forming an image on the photosensitive recording medium; means for feeding said photosensitive recording medium in a predetermined direction and exposing it to said fluorescent light, to develop thereby a latent image on said photosensitive recording medium; and means for developing said latent image on said recording medium.

Claim 3

Dependent Claim 38 words

An image forming apparatus as claimed in claim 1, further comprising acceleration means for accelerating the secondary electrons produced in said secondary electron emitting/multiplying means and emitting the accelerated secondary electrons therefrom to said fluorescent light emitting means.

Claim 4

Dependent Claim 27 words

An image forming apparatus as claimed in claim 2, further comprising acceleration control means for controlling the acceleration of the secondary electrons accelerated by said acceleration means.

Claim 5

Dependent Claim 65 words

An image forming apparatus as claimed in claim 1, wherein said primary electron emitting means comprises light-emitting means for emitting the image light on the basis of the image forming information, and photoelectric transducing means for converting the image light into photoelectrons as primary electron, and wherein said secondary electron emitting/multiplying means includes multiplying means for producing the secondary electrons from the photoelectrons with multiplication.

Claim 6

Dependent Claim 17 words

An image forming apparatus as claimed in claim 4, wherein said multiplying means comprises a microchannel plate.

Claim 7

Dependent Claim 118 words

An image forming apparatus for irradiating an image light on a photosensitive recording medium having at least one photosensitive wavelength range on the basis of an image information to thereby form an image on the photosensitive recording medium, comprising: thermoelectron emitting means for emitting thermoelectrons as a primary electron signal representing the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; and fluorescent light emitting means for converting the multiplied secondary electrons into fluorescent light having a wavelength in the photosensitive wavelength range of the photosensitive recording medium and irradiating the fluorescent light onto the photosensitive recording medium, thereby forming an image on the photosensitive recording medium.

Claim 8

Dependent Claim 118 words

An image forming apparatus for irradiating an image light on a photosensitive recording medium having at least one photosensitive wavelength range on the basis of an image information to thereby form an image on the photosensitive recording medium, comprising: thermoelectron emitting means for emitting thermoelectrons as a primary electron signal representing the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; and fluorescent light emitting means for converting the multiplied secondary electrons into fluorescent light having a wavelength in the photosensitive wavelength range of the photosensitive recording medium and irradiating the fluorescent light onto the photosensitive recording medium, thereby forming an image on the photosensitive recording medium.

Claim 9

Dependent Claim 52 words

An image forming apparatus as claimed in claim 6, wherein said thermoelectron emitting means comprises a thermal head having plural heating elements being energized in accordance with the image information, an insulating layer and a thermal cathode layer for emitting thermoelectrons in accordance with supply of heat thereto from said thermal head.

Claim 10

Dependent Claim 30 words

An image forming apparatus as claimed in claim 7, wherein said thermal cathode layer is formed of any material selected from the group consisting of barium oxide and strontium oxide.

Claim 11

Dependent Claim 47 words

An image forming apparatus as claimed in claim 6, wherein said thermoelectron emitting means comprises a thermal head of plural heating elements each having thermal-conductivity and thermoelectron emission capability, said heating elements being energized in accordance with the image information to emit thermoelectrons representing the image information.

Claim 12

Dependent Claim 29 words

An image forming apparatus as claimed in claim 9, wherein each of said heating elements is formed of any material selected from the group consisting of tungsten and thorium-tungsten.

Claim 13

Dependent Claim 30 words

An image forming apparatus as claimed in claim 7, wherein said secondary electron emitting/multiplying means comprises a multichannel plate provided in such a manner as to confront said heating elements.

Claim 14

Dependent Claim 155 words

An image forming apparatus for irradiating a color image light on a photosensitive recording medium having plural photosensitive wavelength ranges on the basis of a color image information to thereby form a color image on the photosensitive recording medium, comprising: primary electron emitting means for emitting a primary electron signal spacedly encoded according to a plurality of colors of the color image information, the primary electron emitting means being responsive to corresponding spacedly dispersed incident light of at least one first wavelength; secondary electron emitting/multiplying means for converting the primary electron signal in to secondary electrons and multiplying the secondary electrons; and fluorescent light emitting means for converting the multiplied secondary electrons into red, green and blue color image lights having second wavelengths matching with the photosensitive wavelength ranges of the photosensitive recording medium and irradiating the color image lights onto the photosensitive recording medium, thereby forming a color image on the photosensitive recording medium.

Claim 15

Dependent Claim 155 words

An image forming apparatus for irradiating a color image light on a photosensitive recording medium having plural photosensitive wavelength ranges on the basis of a color image information to thereby form a color image on the photosensitive recording medium, comprising: primary electron emitting means for emitting a primary electron signal spacedly encoded according to a plurality of colors of the color image information, the primary electron emitting means being responsive to corresponding spacedly dispersed incident light of at least one first wavelength; secondary electron emitting/multiplying means for converting the primary electron signal in to secondary electrons and multiplying the secondary electrons; and fluorescent light emitting means for converting the multiplied secondary electrons into red, green and blue color image lights having second wavelengths matching with the photosensitive wavelength ranges of the photosensitive recording medium and irradiating the color image lights onto the photosensitive recording medium, thereby forming a color image on the photosensitive recording medium.

Claim 16

Dependent Claim 38 words

An image forming apparatus as claimed in claim 12, wherein said fluorescent light emitting means comprises a fluorescent panel coated regularly with three kinds of fluorescent cells encapsulating fluorescent materials for emitting red, green and blue lights, respectively.

Claim 17

Dependent Claim 184 words

An image forming apparatus for irradiating a color image light on a photosensitive recording medium having plural photosensitive wavelength ranges on the basis of a color image information to thereby form a color image on the photosensitive recording medium, comprising: primary electron emitting means for emitting a primary electron signal having the color image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means for converting the multiplied secondary electrons into red, green and blue color image lights having wavelengths matching with the photosensitive wavelength ranges of the photosensitive recording medium and irradiating the color image lights onto the photosensitive recording medium, thereby forming a color image on the photosensitive recording medium, said fluorescent light emitting means comprising a fluorescent panel coated regularly with three kinds of fluorescent cells encapsulating fluorescent materials for emitting red, green and blue lights, respectively; and color tone control means for individually controlling brightness of each light emitted from each of said three kinds of fluorescent cells to adjust a color tone of the color image.

Claim 18

Dependent Claim 184 words

An image forming apparatus for irradiating a color image light on a photosensitive recording medium having plural photosensitive wavelength ranges on the basis of a color image information to thereby form a color image on the photosensitive recording medium, comprising: primary electron emitting means for emitting a primary electron signal having the color image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means for converting the multiplied secondary electrons into red, green and blue color image lights having wavelengths matching with the photosensitive wavelength ranges of the photosensitive recording medium and irradiating the color image lights onto the photosensitive recording medium, thereby forming a color image on the photosensitive recording medium, said fluorescent light emitting means comprising a fluorescent panel coated regularly with three kinds of fluorescent cells encapsulating fluorescent materials for emitting red, green and blue lights, respectively; and color tone control means for individually controlling brightness of each light emitted from each of said three kinds of fluorescent cells to adjust a color tone of the color image.

Claim 19

Dependent Claim 52 words

An image forming apparatus as claimed in claim 14, wherein said color tone control means comprises acceleration control means provided on said fluorescent light emitting means for individually controlling acceleration of the secondary electrons to be supplied from said secondary electron emitting/multiplying means to each of said three kinds of fluorescent cells.

Claim 20

Dependent Claim 50 words

An image forming apparatus as claimed in claim 15, wherein said acceleration control means comprises three types of electrodes, each type of electrodes being assigned to each of said three kinds of fluorescent cells, and variable-voltage supply sources for applying variable voltages for accelerating the secondary electrons to said electrodes.

Claim 21

Dependent Claim 56 words

An image forming apparatus as claimed in claim 14, wherein said color tone control means comprises multiplication control means provided on said secondary electron emitting/multiplying means for individually controlling a multiplying ratio of the secondary electrons to be produced in said secondary electron emitting/multiplying means and supplied to each of sad three kinds of fluorescent cells.

Claim 22

Dependent Claim 48 words

An image forming apparatus as claimed in claim 17, wherein said multiplication control means comprises three types of electrodes, each type being assigned to each of said three kinds of fluorescent cells, and variable-voltage supply sources for applying variable voltages for multiplying the secondary electrons to said electrodes.

Claim 23

Dependent Claim 61 words

An image forming apparatus as claimed in claim 13, wherein said three kinds of fluorescent cells are arranged on said plate in such a manner that different kinds of fluorescent cells are assembled in one of a triangular form for every three cells and aligned in a stripe form while the same kind of fluorescent cells are aligned with one another.

Claim 24

Dependent Claim 122 words

An image display for displaying a color image on a screen on the basis of an image information comprising: thermoelectron emitting means for emitting thermoelectrons as a primary electron signal having the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means having a fluorescent screen for converting the multiplied secondary electrons into red, green and blue color image lights, thereby displaying a color image on the screen; means for feeding said photosensitive recording medium in a predetermined direction and exposing it to said fluorescent light, to develop thereby a latent image on said photosensitive recording medium; and means for developing said latent image on said recording medium.

Claim 25

Dependent Claim 122 words

An image display for displaying a color image on a screen on the basis of an image information comprising: thermoelectron emitting means for emitting thermoelectrons as a primary electron signal having the image information; secondary electron emitting/multiplying means for converting the primary electron signal into secondary electrons and multiplying the secondary electrons; fluorescent light emitting means having a fluorescent screen for converting the multiplied secondary electrons into red, green and blue color image lights, thereby displaying a color image on the screen; means for feeding said photosensitive recording medium in a predetermined direction and exposing it to said fluorescent light, to develop thereby a latent image on said photosensitive recording medium; and means for developing said latent image on said recording medium.

Claim 26

Dependent Claim 37 words

An image display as claimed in claim 20, wherein said fluorescent light emitting means comprises a fluorescent panel coated regularly with three kinds of fluorescent cells encapsulating fluorescent materials for emitting red, green and blue lights, respectively.

Claim 27

Dependent Claim 40 words

An image display as claimed in claim 21, further comprising color tone control means for individually controlling brightness of each light emitted from each of said three kinds of fluorescent cells to adjust a color tone of the color image.

Claim 28

Dependent Claim 51 words

An image display as claimed in claim 22, wherein said color tone control means comprises acceleration control means provided on said fluorescent light emitting means for individually controlling acceleration of the secondary electrons to be supplied from said secondary electron emitting/multiplying means to each of said three kinds of fluorescent cells.

Claim 29

Dependent Claim 49 words

An image display as claimed in claim 23, wherein said acceleration control means comprises three types of electrodes, each type of electrodes being assigned to each of said three kinds of fluorescent cells, and variable-voltage supply sources for applying variable voltages for accelerating the secondary electrons to said electrodes.

Claim 30

Dependent Claim 55 words

An image display as claimed in claim 22, wherein said color tone control means comprises multiplication control means provided on said secondary electron emitting/multiplying means for individually controlling a multiplying ration of the secondary electrons to be produce in said secondary electron emitting/multiplying means and supplied to each of said three kinds of fluorescent cells.

Claim 31

Dependent Claim 47 words

An image display as claimed in claim 25, wherein said multiplication control means comprises three types of electrodes, each type being assigned to each of said three kinds of fluorescent cells, and variable-voltage supply sources for applying variable voltages for multiplying the secondary electrons to said electrodes.

Claim 32

Dependent Claim 59 words

An image display as claimed in claim 21, wherein said three kinds of fluorescent cells are arranged on said plate in such a manner that different kinds of fluorescent cells are assembled in one of a triangular form every three cells and aligned in a stripe form while the same kind of fluorescent cells are aligned with one another.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1995-08-04	1996-02-03	1996-08-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1999-08-04	2000-02-03	2000-08-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2003-08-04	2004-02-03	2004-08-04	$7700.00	Window Closed / Lapsed

Color image forming apparatus having image intensifier unit

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