Abstract: A color image reading method and apparatus in which the image of an object is formed by a single imaging optical system and a plurality of image pickup elements corresponding to lights of different wavelength ranges are disposed at imaging positions whereat the resolution of the imaging optical system is maximum in the respective corresponding wavelength ranges, whereby the image is read.

Abstract: A layer of amorphous silicon containing H, preferably 10-40 atomic % H, is used as a photoconductive layer for electrophotographic photosensitive member.

Abstract: Image-forming member for electrophotography comprising a charge generation layer composed of hydrogenated amorphous silicon.

Abstract: A layer of amorphous silicon containing H, preferably 10-40 atomic %H, is used as a photoconductive layer for electrophotographic photosensitive member.

Abstract: An image-forming member for electrophotography has a photoconductive layer comprising a hydrogenated amorphous semiconductor composed of silicon and/or germanium as a matrix and at least one chemical modifier such as carbon, nitrogen and oxygen contained in the matrix.

Abstract: An automatic printer includes an accommodation device for an image forming element used for forming a master adapted to be repeatedly subjected to a reproduction process, and an optical system for projecting an image of the original onto the image forming element. A heater is provided for heating the image forming element for generating an electrostatic pattern in accordance with the image formed on the image forming element by the optical system, and the printer includes a rotary member for holding a master prepared by the optical system and the heating means, and a master holder for holding the leading end of the master on the rotary member. A charger is disposed for forming an electrostatic image corresponding to the original image on the master held on the rotary member, and a developer device and a transfer device are provided visualizing the electrostatic image, and transferring the visible image formed on the master by means of the developer onto a recording element.

Abstract: Image-forming member for electrophotography comprising a charge generation layer composed of hydrogenated amorphous silicon.

Abstract: A photoelectric converting apparatus having photoelectric converting elements divided into plural groups and a scanning circuit for dynamically scanning the photoelectric converting elements. There is also further provided a shielded element for each of the groups of the same characteristic as that of the photoelectric converting elements, and a circuit for supplying a bias voltage to the photoelectric converting elements and the shielded element in response to the output of the shielded element.

Abstract: A layer of amorphous silicon containing H, preferably 10-40 atomic % H, is used as a photoconductive layer for electrophotographic photosensitive member.

Abstract: A photoelectric transducing element comprising (a) a substrate; (b) first electrode provided on said substrate; (c) first contact layer to form an ohmic contact with said first electrode with respect to electric charge in at least one polarity; (d) a photoconductive layer provided in contact with said first contact layer and composed of an amorphous material containing silicon atom as a matrix and hydrogen atom, or halogen atom, or both, at a ratio of 1 to 30 atomic % with respect to said silicon atom; (e) second contact layer provided in contact with said photoconductive layer; and (f) second electrode to form an ohmic contact with said second contact layer with respect to said charge.

Abstract: A layer of amorphous silicon containing H, preferably 10-40 atomic %H, is used as a photoconductive layer for electrophotographic photosensitive member.

Abstract: An improved heat-developable photosensitive material is disclosed which comprises an infrared rays-absorbing layer provided in contact with or adjacent to a layer comprising a reducible organic silver salt.

Abstract: An automatic printer includes an accommodation device for an image forming element which is used in the formation of a master adapted to be repeatedly subjected to a reproduction process, and an optical system for projecting an image of the original onto the image forming element. A heater is provided for heating the image forming element for generating an electrostatic pattern in accordance with the image formed on the image forming element by the optical system, and the printer includes a rotary member for holding a master prepared by the optical system and the heating means, and a master holder for holding the leading end of the master on the rotary member. A charger is disposed for forming an electrostatic image corresponding to the original image on the master held on the rotary member, and a developer device and a transfer device are provided visualizing the electrostatic image, and transferring the visible image formed on the master by means of the developer onto a recording element.

Abstract: An automatic printing apparatus includes an image formation member for forming a master which may be repetitively subjected to the process of reproducing an original image, a rotatable drum capable of holding the image formation member thereon, an optical device for projecting therethrough the original image upon the image formation member on the rotatable drum, a heating member for heating the image formation member on the rotatable drum so as to form a chargeable image pattern corresponding to the image formed on the image formation member by the optical device, a charging device for forming an electrostatic image corresponding to the original image on the master formed by the optical device and the heating member, a developing device for developing the electrostatic image into a visible image, and a device for transferring the visible image from the master onto a recording medium.

Abstract: Apparatus for fixing a toner image on a support by pressing and heating it. To heat the toner image, the apparatus comprises first heating means for heating it with transmission or convection heat and second heating means for heating the same with radiation heat. A detecting means detects the temperature of the first heating means and in accordance with the detected information the second heating means is controlled so as to maintain the thermal condition for fixing in a constant and stable state with improved thermal efficiency.

Abstract: Toner images are fixed by selectively elevating the temperature of the toner image portions and supplying a fixing agent to the toner image portions at the elevated temperature by utilizing the temperature difference between the toner image portions and the non-image portions.

Abstract: Liquid developers for use in developing electrostatic latent image which contain at least one member selected from the following Group A and at least one member selected from the following Group B.Group A: Cumarone indene resin, rosin modified phenol resin, rosin modified maleic acid resin, rosin modified pentaerythritol resin, alkylphenol modified xylene resin, styrene-vinyltoluene copolymer, and resin acid calcium salt.Group B: Low molecular polyethylene, ethylene-ethylacrylate copolymer, ethylene-vinylacetate copolymer, low molecular polypropylene, chlorinated paraffin (degree of chlorination, 40 to 70%), polybutene resin, .beta.-pinene resin, polyterpene resin, and alkylphenol formaldehyde resin.