Patents Assigned to Konishiroku Photo Industry Co., Ltd.
  • Patent number: 4872033
    Abstract: Present invention provides an image forming apparatus capable of forming an image on various kinds of photosensitive material by subjecting the photosensitive material to an image forming process having at least imagewise exposing, developing, and fixing process on a process condition determined in accordance with a kind of the photosensitive material. While processing certain kind of photosensitive material, a kind discriminator detects a new kind of photosensitive material being subjected a current image forming process, CPU inhibits a new image forming process until judging a predetermined process of the current image forming process as being completed from a signal of a process monitor.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: October 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuo Watanabe, Toshiharu Nishimura, Masaki Kakutani
  • Patent number: 4871658
    Abstract: A silver halide photographic material is disclosed which comprises a support coated with photographic layers including one or more silver halide emulsion layers, at least one of said silver halide emulsion layers containing silver halide grains with a silver iodide content of 3.0-15 mol %, and at least one of said photographic layers containing a compound represented by the following general formula (I): ##STR1## where Y is an aromatic group or a 5- or 6-membered heterocyclic group.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: October 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Eiichi Sakamoto, Yutaka Kaneko, Hidetaka Ninomiya, Takashi Kamio, Atsuo Ezaki, Hideo Akamatsu, Hideaki Haraga
  • Patent number: 4871647
    Abstract: A method of forming a color diffusion transfer image by heat development is disclosed. This method comprises effecting imagewise exposure of a thermally developable photosensitive material containing an organosilver salt and a thermally non-diffusing color providing material capable of releasing a chelatable diffusing dye upon heat development, thermally developing the exposed photosensitive material to form an imagewise pattern of the chelatable dye from said color providing material, and diffusing and transferring at least part of said imagewise pattern into an image-receiving layer containing a polyvalent metallic ion that is superimposed on the photosensitive material, thereby forming on the image-receiving layer an imagewise pattern of the dye that has chelated with the polyvalent metallic ion.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: October 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Tawara Komamura, Satoru Ikeuchi, Masaru Iwagaki, Takashi Sasaki, Wataru Ishikawa
  • Patent number: 4870920
    Abstract: A bar with two surfaces, a first that unifies, and a second to smooth a layer of liquid coating on a support transported past the bar. Recessed grooves of different types are present on the bar to unify the coating layer.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: October 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Takashi Kageyama, Makoto Yoshida
  • Patent number: 4869488
    Abstract: This invention relates to an automatic sheet-feeder for feeding a sheet from the bottom of a stack of sheets placed on a sheet tray and for circularly returning the sheet to the top of the stack. The sheet tray comprises a movable tray and a stationary tray, and the movable tray can move upward or downward in accordance with the size of the sheet, and further the movable tray comprises an intermediate sheet-feed to transport the sheet, whereby the edges of the pile of sheets are aligned in order to prevent erroneous sheet-feeding.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: September 26, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Fumiyuki Hirota, Tadashi Miwa, Yasushi Yamada
  • Patent number: 4868089
    Abstract: A positive image forming method is disclosed. Said method comprises in sequence the steps of subjecting to imagewise exposure a silver halide photographic material having a silver halide emulsion layer containing a non-prefogged internal image forming silver halide, increasing the surface sensitivity of said silver halide in the substantial absence of water and performing development.
    Type: Grant
    Filed: April 13, 1988
    Date of Patent: September 19, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Tatsuhiko Kobayashi, Sohei Goto, Ken Okauchi
  • Patent number: 4867100
    Abstract: The present invention provides a compact developing apparatus, wherein there is provided a developer container having first magnetic brush carrier for developing the image information at one side thereof and a developing replenishing container at other side thereof, the developing container and the developing replenishing container are so constructed to be one body. The partition wall is located between the both containers and has a opening portion to communicate the both containers. Second magnetic brush carrier is provided at the opening portion to replenish the developer from the developer replenishing container to the developer container. The second magnetic brush carrier can be operated automatically in accordance with the concentration of the developer.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: September 19, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshio Yamazaki, Kazuhiko Uneme, Takeichi Shimada
  • Patent number: 4868106
    Abstract: Disclosed are an analytical element for determining a specific component A in a test sample, based on the specific reaction between said specific component A and a substance B capable of binding specifically to said specific component A, by the use of a labelled material L comprising a label capable of providing a signal and said specific component A or comprising a label capable of providing a signal and a substance C capable of binding specifically to said specific component A, characterized in that said element has a porous reaction layer formed by the use of a mixture containing (a) a carrier having said substance B immobilized thereon and (b) a carrier having an absorbing substance D capable of binding specifically to said labelled material L which has not bound to said substance B or to said specific compound A, to thereby modulate said signal, and an analytical method employing the same.
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: September 19, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Tsukasa Ito, Satoshi Kawakatsu, Akira Onishi, Masayo Ishikawa
  • Patent number: 4863840
    Abstract: A silver halide color photographic light-sensitive material is disclosed, which is satifactory in the overall discoloration color balance of a dye image composed of yellow, magenta and cyan dyes in the light discoloration as well as in the dark discoloration and produces little or no yellow color stain when stored being exposed to a light or in the dark over an extensive period of time and which is excellent in the quality of the dye image even when stored over an extensive period of time.The color photographic material comprises a silver halide emulsion layers containing a specific yellow dye-forming coupler, a silver halide emulsion layer containing a specific magenta dye-forming coupler and a silver halide emulsion layer containing two kinds of specific cyan dye-forming couplers, and the respective emulsion layers each contain high-boiling organic solvent having a dielectric constant of not more than 6.0.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: September 5, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuo Komorita, Kaoru Onodera
  • Patent number: 4863838
    Abstract: A direct positive photographic material having a support and a silver halide emulsion layer thereon contains internal latent image type silver halide grains. These grains have a core/shell structure and have not been previously fogged. Each grain comprises a conversion type silver halide core and a silver halide shell over the core.The layer would produce, when exposed for a given time upto one second and developed at 20.degree. C. for 4 minutes with a certain internal developing solution, a maximum density which is at least five times that obtained when the layer is similarly exposed and developed with a particular surface developing solution.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: September 5, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Keiji Ogi, Yasuo Tosaka
  • Patent number: 4863837
    Abstract: In a method of processing a light-sensitive silver halide color photographic material, comprising color developing a light-sensitive silver halide color photographic material and thereafter processing it with a processing solution having fixing ability, followed by processing with a water-washing substitute stabilizing solution in a processing tank or tanks comprising 1 to 4 tanks, the improvement wherein said water-washing substitute stabilizing solution contains at least one of the compounds represented by Formula (I) shown below and at least one of nitrilotriacetic acid and the compounds represented by Formula (II) shown below and wherein said light-sensitive silver halide color photographic material is sensitized with at least one sensitizing dye represented by Formula (III) or Formula (IV) shown below: ##STR1## wherein R represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and M represents a hydrogen atom or an alkali metal atom; ##STR2## wherein A represents a carboxyl group or a hyd
    Type: Grant
    Filed: February 2, 1988
    Date of Patent: September 5, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masayuki Kurematsu, Shigeharu Koboshi
  • Patent number: 4862196
    Abstract: An image recording apparatus wherein a plurality of laser beams are scanned on a color photosensitive material by an optical deflecting device, the laser beams are detected by beam detecting devices, and record starting timings for the laser beams are controlled on the basis of detection signals provided by the detecting devices so that respective record positions of the laser beams are the same.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: August 29, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshikazu Umeda, Shinsuke Funaki, Taketo Nozu
  • Patent number: 4860044
    Abstract: The object of the present invention is to provide a small-sized photographic material processing unit of a simple structure capable of developing both disk film and roll film simultaneously or selectively. In order to attain this object, the present invention is characterized in that in the photographic material processing unit adopted to process the photographic material by allowing it pass through a processing tank containing a processing solution, the disk film and/or foll film are passed through the same processing tank while they are held by a carrier.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: August 22, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kunio Kanai, Toshiyuki Yamamoto
  • Patent number: 4859575
    Abstract: Disclosed is a method for processing of a photographic material which comprises carrying out stabilizing processing of a photographic material with a stabilizing solution substantially without washing with water subsequent to the processing with a processing having fixing ability, wherein said stabilizing solution is subjected to electrodialysis treatment.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: August 22, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masayuki Kurematsu, Shigeharu Koboshi
  • Patent number: 4859554
    Abstract: Disclosed is a photoreceptor which comprises a charge generation layer composed of at least one compound selected from the group consisting of amorphous hydrogenated silicon, amorphous fluorinated silicon and amorphous hydrofluorinated silicon, a charge transport layer formed on a lower surface of said charge generation layer and composed of at least one compound selected from the group consisting of amorphous hydrogenated silicon nitride, amorphous fluorinated silicon nitride, amorphous hydrofluorinated silicon nitride, amorphous hydrogenated silicon carbide, amorphous fluorinated silicon carbide and amorphous hydrofluorinated silicon carbide, and a substrate, wherein said charge transport layer contains oxygen within the range of from 50 atomic ppm to 5 atomic % based on the total atoms of silicon, nitrogen and carbon.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: August 22, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshinori Yamazaki, Eiichi Sakai, Tatsuo Nakanishi, Hiroyuki Nomori
  • Patent number: 4859061
    Abstract: A flatness examining device which comprises a radiation beam generating means, an objective lens, an optical means having a reference plane wherein a test plane to be measured is placed opposite to the reference plane and the optical means introduces the radiation beam onto both the reference plane and the test plane to produce an interference fringe, a parallel plate member in the radiation beam path between the objective lens and the optical member, and the parallel plate member is capable of changing its inclination by a predetermined angle against the radiation beam path. The incidence of the light beam on the reference plane is changed by shifting the radiation beam slightly so that the test plane can be measured whether or not it is convex or concave.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: August 22, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Katsuyo Inoue
  • Patent number: 4855217
    Abstract: A processing method for silver halide color photosensitive material in which said silver halide color photosensitive material is treated with a processing solution that has a fixing ability, and then is not washed, but treated with a washless stabilizer solution, characterized in that said silver halide color photosensitive material is treated with said washless stabilizer in the presence of at least one compound among compounds represented by General Formula [1], [II], [II'], or [II"] shown below; and that said washless stabilizer contains more than 20 mg/l silver ion, and at least one aldehyde compound: ##STR1##
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: August 8, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masayuki Kurematsu, Shigeharu Koboshi
  • Patent number: 4849829
    Abstract: An image recording apparatus wherein image information is developed by converting the image information into an optical signal and by writing the image information on a drum-shaped image retainer with the converted optical signal to provide latent images and by developing the latent images, which are then recorded. A first writing timing is set in a first writing direction with respect to the image retainer and a second writing timing is set in a second writing direction with respect to the image retainer and the number of rotations with respect to the image retainer is calculated in accordance with the settings of the writing timings. The image information is overwritten by a number of times corresponding to the number of rotations to provide a plurality of images which may be entirely or partially or not superposed on one another.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: July 18, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hiroyuki Maruyama, Tadao Kishimoto, Toshifumi Isobe, Jun Yokobori
  • Patent number: 4847187
    Abstract: Disclosed is a light-sensitive silver halide photographic material comprising at least one silver halide emulsion layer on at least one side of a support and at least auxiliary layer adjacent to the silver halide emulsion layer, the silver halide emulsion layer containing a surface latent type silver halide emulsion and a silver halide emulsion having fog internally of the grains, and the auxiliary layer containing a compound represented by the formula (I) shown below:RfSO.sub.3 M Formula (I)wherein Rf is a substituted or unsubstituted alkyl group or a substituted or unsubstituted aralkyl group, containing at least 3 fluorine atoms, and M represents hydrogen atom, an alkali metal or ammonium group.According to the present invention, a light-sensitive silver halide photographic material improved in antistatic performance and also improved in storability without accomplaniment of lowering in sensitivity, which can give images with sensitivity, high contrast as well as high covering power is provided.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: July 11, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kouzi Ono, Mikio Kawasaki
  • Patent number: H662
    Abstract: In a process for producing a silver halide emulsion through mixing a halide solution and a silver nitrate solution in the presence of a hydrophilic colloid, the improvement is disclosed wherein any part of the equipment that is employed in the process starting with the initiation of silver halide formation and ending with the coating of the emulsion on a support and with which the reaction solution will come in contact is made of a stainless steel having a molybdenum content of 2.2-5.0 wt %.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: August 1, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshio Saito, Akihiko Kabasawa, Masami Ishikura, Sadayuki Miyazawa, Nobuo Suzuki