Patent application number | Description | Published |
20090092421 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS - A development device includes a developer carrier supplying developer to an electrostatic latent image carrier being rotatable. The developer carrier includes a conductive metal core and a conductive elastic layer that is disposed outside circumference of the conductive metal core and includes a surface having roughness formed thereon. The surface of the conductive elastic layer satisfies a relationship 1.0≦Rz2/Rz1≦1.60, where Rz1 and Rz2 are ten-point mean roughness in a circumference direction and an axial direction of the developer carrier respectively, and satisfies a relationship 0.20≦Sm2/Sm1≦1.00, where Sm1 and Sm2 are mean width of profile elements of the surface of the conductive elastic layer in the circumference direction and the axial direction of the developer carrier respectively. | 04-09-2009 |
20090324291 | CHARGING DEVICE, DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS - A charging device includes a charging member and a charging power source portion. The charging member, in a sheet shape, is secured by contacting a region of an electrostatic latent image to be formed on a rotatable image carrier. The charging power source portion applies charging voltage to the charging member. The charging member includes a plurality of holes. | 12-31-2009 |
20100191108 | ULTRASONIC TRANSDUCER, ULTRASONIC DIAGNOSIS APPARATUS USING THE SAME, AND ULTRASONIC FLAW INSPECTION APPARATUS USING THE SAME - A technique that provides: an ultrasonic transducer in which the accurate arrangement of piezoelectric elements and the electric conductive state between electrode layers are reserved; and an ultrasonic diagnosis apparatus and an ultrasonic flaw inspection apparatus which use the ultrasonic transducer is provided. According to the technique, a plurality of piezoelectric elements | 07-29-2010 |
20110008070 | IMAGE FORMING UNIT AND IMAGE FORMING DEVICE - An image forming unit has a rotatable electrostatic latent image carrier, a charge member positioned to contact the electrostatic latent image carrier and charge a surface of the electrostatic latent image carrier, and a developing part, which supplies a developer to the electrostatic latent image carrier for obtaining a developer image. The charge member includes a conductive elastic layer and a surface layer formed on a circumferential surface of the conductive elastic layer. The surface layer contains particles having an average particle size of 5 μm-20 μm; and a ratio of a surface area per unit area of the surface layer is in a range from 1.5 to 3.0. | 01-13-2011 |
20110052273 | IMAGE FORMING DEVICE AND DEVELOPING DEVICE - A developing device that is provided in an image forming device that forms an image includes an image carrier on which an electrostatic latent image is formed; a developer carrier that forms a developer image on a surface of the image carrier by attaching a developer on the electrostatic latent image; a supplying member that supplies the developer to the developer carrier by contacting the developer carrier, and that scrapes the developer remaining on the surface of the developer carrier from the developer carrier, and a deformation amount between the developer carrier and the supplying member is individually configured corresponding to a location where the developing device is provided in the image forming device. | 03-03-2011 |
20110129254 | Neutralization device, developing device and image forming apparatus - A neutralization device includes a light emitter, an optical conductor and multiple diffusion portions. The light emitter emits light for neutralizing an object. The optical conductor, which is opposed to the object and extends in a longitudinal direction, directs and applies the light to the object. The diffusion portions are arranged on the optical conductor in a zig-zag manner from one end of the optical conductor to the other and diffuse the light. | 06-02-2011 |
20120065515 | ULTRASONIC PROBE AND ULTRASONIC DIAGNOSTIC EQUIPMENT USING SAME - An ultrasonic diagnostic equipment of the present invention includes: an ultrasonic transducer body transmitting and receiving ultrasonic waves; a swing shaft ( | 03-15-2012 |
20130142547 | IMAGE FORMING DEVICE AND DEVELOPING DEVICE - A developing device that is provided in an image forming device that forms an image includes an image carrier on which an electrostatic latent image is formed; a developer carrier that is configured to form a developer image on a surface of the image carrier by attaching developer on the electrostatic latent image; and a contact member that is configured to contact the developer carrier. The contact member contacts the developer carrier and exerts a contact pressure per unit area thereon, the contact pressure per unit area being based on charging characteristics of the developer being used. | 06-06-2013 |
20130322931 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a static latent image supporting member having a photosensitive layer and being arranged to be rotatable; a developer supporting member arranged to be rotatable for developing a static latent image formed on the static latent image supporting member using developer to form an image; a developer supplying member arranged to contact with the developer supporting member and be rotatable for supplying developer; and a drive transmission unit disposed on a side of same end portions of the developer supporting member and the developer supplying member for rotating the developer supporting member and the developer supplying member in a same rotational direction. The developer supplying member is formed so that an outer diameter thereof on a side of the drive transmission unit becomes smaller than an outer diameter thereof on an opposite side. | 12-05-2013 |
20140348555 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS - A development device includes a developer container that contains developer; a rotatable electrostatic latent image carrier that forms an electrostatic latent image thereon, being arranged below the developer container; a rotatable developer carrier that provides the developer to the electrostatic latent image carrier so that the electrostatic latent image is developed with the developer to form a developer image; and rotatable first and second developer supply members that supply the developer to the developer carrier. Wherein the first developer supply member and the second developer supply member are arranged next to each other and facing the developer carrier, and an outer diameter (D12) of a central portion of the first developer supply member in a rotation axis direction is smaller than outer diameters (D11, D13) of two end portions of the first developer supply member. | 11-27-2014 |