3025 patents
Page 128 of 152
Utility
Developer replenishing device, developer device, and image forming device having a vibration plate that engages an agitation member
24 Feb 20
A device that replenishes developer to a developer unit and includes a storage for storing developer, an agitation member, and a vibration plate.
Tetsuya Sakai, Syuichi Katogi, Takeru Kinoshita
Filed: 13 Aug 18
Utility
Electrophotographic image forming apparatus
24 Feb 20
Provided is a means in which in a tandem type electrophotographic image forming apparatus, image deletion of a formed image is suppressed, passing through of a toner is suppressed, and the lifetime of an organic photoreceptor and the apparatus itself is prolonged.
Daisuke Kodama, Keiichi Inagaki
Filed: 6 Nov 18
Utility
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24 Feb 20
In an optical writing device that deflects light beams from first and second light source sections and performs scanning by first and second scanning optical systems, in reflective optical elements disposed in the optical axis direction from after the polygon mirror to before a separation mirror, a number of hold points on each of a writing start side and a writing end side in scanning is same, and in reflective optical elements disposed from after the separation mirror up to a surface to be scanned, a number of hold points on a writing start side of the first scanning optical system is same (one) with that on a writing end side of the second scanning optical system, and a number of hold points on a writing end side of the first scanning optical system is same (two) with that on a writing start side of the second scanning optical system.
Akira Taniyama, Hideo Uemura, Takashi Kurosawa, Naoki Tajima
Filed: 27 Nov 18
Utility
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24 Feb 20
An image forming system includes: a density detecting section that detects the density of a toner image formed on an image bearing member by an image forming section, the density being detected as an output image density; a hardware processor which performs; tone correction in accordance with input-output characteristics data indicating the relationship between an input image density and an output image density, the input image density being the image density of a tone component included in the input image data, the output image density being detected by the density detecting section in accordance with the tone component; determining whether there is a missing tone component in the input image data; and complementing the input-output characteristics data corresponding to a missing tone component, when it is determined that there is the missing tone component.
Katsuya Toyofuku, Daiki Yamanaka, Toru Yamaguchi
Filed: 2 Jan 19
Utility
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19 Feb 20
A recording material characteristic detecting device that irradiates a first light and a second light to a recording material carried along a predetermined carrying path and detects a transmitted light generated when the first light transmits the recording material and a reflection light generated when the second light is reflected by the recording material, and detects a characteristic of the recording material, comprises: a reflection light source that irradiates the second light toward the carrying path; a reference plate for reflection light arranged oppositely to the reflection light source across the carrying path to reflect the second light; and a light detector arranged oppositely to the reference plate for reflection light across the carrying path to detect at least a reflection light generated in response to reflection of the second light.
Satoko OHZAWA
Filed: 29 Jul 19
Utility
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19 Feb 20
An inspection device includes: an image acquirer that acquires an inspection target image; an edge extractor that extracts an edge from each of the inspection target image and a reference image to be used in inspecting the output image; a defect candidate region extractor that extracts a defect candidate region having a possibility of a defect by comparing the inspection target image with the reference image; an edge direction calculator that calculates a direction of the edge in the inspection target image and a direction of the edge in the reference image; and a defect determiner that determines whether the defect candidate region is a defect, on a basis of the direction of the edge in the inspection target image and the direction of the edge in the reference image at a position corresponding to the defect candidate region.
Yusuke MIMURA, Makoto OKI
Filed: 15 Aug 19
Utility
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19 Feb 20
An image recognition system includes a plurality of sensor devices and a server device.
Keisuke HAYATA
Filed: 16 Aug 17
Utility
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19 Feb 20
An image forming apparatus includes means for storing data, means for dividing data into a plurality of pieces of element data, and means for performing virus check onto each of the plurality of pieces of element data in a designated order.
Masayuki ITO, Kazuhiro TOMIYASU, Takatsugu KUNO, Hiroshi SUGIURA, Shin OHBA, Akito OTA
Filed: 13 Aug 19
Utility
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19 Feb 20
Provided are a gas detection device, an information processing device, and a program which enable a user himself/herself to easily determine whether a gas leak has occurred.
Saori Hirata
Filed: 3 Mar 19
Utility
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19 Feb 20
Provided are a gas detection device, an information processing device, and a program which enable a user to accurately estimate a gas leak position.
Saori HIRATA, Mei YAMASAKI
Filed: 3 Mar 19
Utility
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19 Feb 20
A head-up display apparatus 200 includes: a projection optical system 30 that projects a virtual image; an environment monitor portion 72 as an object detection part that detects an object present in a detection region and detects a distance from the projection optical system 30 to the object as a target distance; an arrangement change apparatus 462 as a projection distance change part that periodically changes a projection distance of a virtual image from the projection optical system 30; and a main control apparatus 90 and a display control portion 18 as an image addition part that adds a related-information image as a virtual image by the projection optical system 30 to the detected object at timing when the target distance substantially matches the projection distance.
Norihide YAMADA, Junji HASHIMURA, Osamu TANNAI, Toshiyuki KOJIMA, Kazuhiro SUGAWARA
Filed: 21 Mar 18
Utility
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19 Feb 20
An object of the present invention is to provide a virtual image display optical system that is capable of substantially simultaneously displaying virtual images at a plurality of distances even with a simple configuration, and an image display device using the virtual image display optical system.
Kentarou NAKAMURA, Norihide YAMADA, Eiji NOMURA, Junji HASHIMURA, Shinichiro SAITO
Filed: 29 Oct 17
Utility
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17 Feb 20
A spectral filter (10) is provided with a long-pass filter (12) and a short-pass filter (13).
Hidetaka Jidai, Munenori Kawaji, Ryoji Matsuda
Filed: 27 Mar 16
Utility
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17 Feb 20
An optical unit includes a digital micromirror device that drives each micromirror to be ON/OFF controlled, a first prism that guides illumination light to the digital micromirror device, a second prism having an OFF light reflection surface that reflects OFF light reflected on a micromirror in an OFF state and allows transmission of ON light reflected on a micromirror in an ON state, and a third prism that receives the ON light emitted from the second prism to output the ON light to a projection side.
Masahiro Terada
Filed: 6 Apr 15
Utility
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17 Feb 20
A fixing device fixes a toner image onto a recording material by applying heat and pressure to the toner image formed on the recording material at a nip provided in a conveyance path of the recording material, and includes: a heating source; a pressure roller and a pressure pad; and a sandwiching member, wherein the pressure pad includes a first main surface and a second main surface, and the first main surface is formed of a long plate-like member, the sandwiching member includes a long plate-like abutting part, and a width-direction center in an area included in the second main surface and corresponding to a recording material passing region provided in the nip bulges toward the abutting part side more than width-direction both ends of the area included in the second main surface and corresponding to the recording material passing region provided in the nip.
Shinichi Yabuki
Filed: 6 Jan 19
Utility
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17 Feb 20
An image forming apparatus includes: a photoreceptor including a surface layer; a storage that stores a target value of a variation of a film thickness of the surface layer; and a hardware processor that acquires a variation of the film thickness in a first period within which the photoreceptor rotates a predetermined number of times, and sets a margin that is an amount of a portion for allowance with respect to a proper value of a parameter related to control of the photoreceptor, the margin being to be employed after the first period.
Yuusuke Mandai
Filed: 7 Nov 18
Utility
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17 Feb 20
The electrostatic charge image developing toner of the present invention is an electrostatic charge image developing toner including a toner mother particle including at least a binding resin, and an external additive attached onto a surface of the toner mother particle, wherein a median size on a volume basis of the toner mother particle is in the range from 3.0 to 5.0 μm, the binding resin contains at least an amorphous polyester resin as a main component, and a spherical silica particle (1) having a number average particle size in the range from 20 to 55 nm is included as the external additive.
Kouji Sugama, Kazumi Oura, Masaharu Matsubara, Ikuko Sakurada
Filed: 6 Mar 19
Utility
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17 Feb 20
A radiographic image capturing apparatus includes: a two-dimensional array of radiation detecting elements that generate one or more electric charges in proportion to a dose of incident radiation; and a control unit that performs control, at least, to read the electric charges from the radiation detecting elements and generate image data.
Akira Hiroshige, Wataru Matsushita, Nobuyuki Miyake, Hidetake Tezuka, Tetsu Hosoki, Tomonori Gido
Filed: 18 Oct 15
Utility
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17 Feb 20
An image forming apparatus causes an image forming portion to perform image forming processing based on a security job issued by an output-permitted user, in a case where an outsider-use-possibility calculated by an outsider-use-possibility calculation portion becomes equal to or smaller than a predetermined threshold value on the basis of information of a movement trajectory of the output-permitted user and also the output-permitted user has been detected in an output-process-start area.
Kosuke Masumoto
Filed: 16 May 17
Utility
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17 Feb 20
An image forming apparatus includes a hardware processor.
Hiroki Hidaka
Filed: 24 Jan 19