[특허]Image forming apparatus

Image forming apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03G-015/01
출원번호	US-0124193 (1993-09-21)
우선권정보	JP-0280527 (1992-09-24)
발명자 / 주소	Kinouchi Satoshi (Tokyo JPX) Shiraishi Takashi (Sagamihara JPX) Hiruta Koichi (Miura JPX) Kimura Kazuhisa (Hiratsuka JPX)
출원인 / 주소	Kabushiki Kaisha Toshiba (Kawasaki JPX 03)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

A color copying machine includes a plurality of image forming sections having rotatable photoconductive drums, respectively. One of the drums, which is used for forming images in black, is rotated by a first drum drive motor, and the other drums are rotated by a second drum drive motor. A plurality of transfer devices are arranged to oppose the image carriers, respectively. A paper sheet is sequentially moved to positions opposing the drums and clamped between the drums and transfer rollers so as to transfer images on the drum to the paper sheet. When a image formation is performed by using the image forming section for black, the first drive motor is operated and the second motor is stopped. The transfer rollers opposing the drums for other than black are moved to positions wherein these transfer rollers are away from the corresponding drums.

대표청구항 ▼

An image forming apparatus comprising: first drive means for rotating a plurality of rotatable image carriers, the first drive means having a first image carrier drive motor for driving at least one of said image carriers, and a second image carrier drive motor for driving the image carriers other than said at least one of said image carriers; means for forming electrostatic latent images on the image carriers; developing means having a plurality of developing rollers arranged in contact with the image carriers, respectively, for developing the electrostatic latent images by rotations of the image carriers and the developing rollers; second drive means for rotating the developing rollers; first transmitting means for, when the developing means performs a development with respect to one or some of the image carriers, transmitting the drive force of the first drive means to only the image carrier or image carriers used for the development; second transmitting means for, when the developing means performs a development with respect to one or some of the image carriers, transmitting the drive force of the second drive means to only the developing roller or rollers contacting said one or some of the image carriers; and transfer means for transferring the developed image or developed images from the image carrier or image carriers, on which the electrostatic latent images are developed, to a transfer material.

이 특허를 인용한 특허 (22)

Sakagami Hidekazu,JPX ; Kurishita Toshiro,JPX ; Hirai Masashi,JPX ; Nakayama Osamu,JPX, Apparatus for forming color images by the superimposition of visualized latent images having drive means for simultaneously driving at least a recording medium conveying means and a source of black v.
상세보기
Kim, Soo-yong; Ahn, Byeong-hwa, Color image forming apparatus with color registration compensation unit.
상세보기
Yoshimura Hiroshi,JPX ; Iwata Nobuo,JPX, Color image forming apparatus with drive power transmission mechanism.
상세보기
Yamada,Shintaro; Miyasaka,Toru; Yamashita,Taichiro; Asuwa,Kenji; Yagi,Masahiro, Electrophotographic apparatus for forming a color image utilizing LED array exposure devices.
상세보기
Gomi Fumiteru,JPX ; Fukushima Satoru,JPX ; Kimura Yoichi,JPX ; Ohki Makoto,JPX ; Matsuzaki Shigeru,JPX ; Hashimoto Kouichi,JPX ; Komiya Yoshiyuki,JPX, Image forming apparatus.
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Matsumoto, Kazuo, Image forming apparatus.
상세보기
Sato, Masahiro, Image forming apparatus.
상세보기
Takahashi Masashi (Kanagawa-ken JPX) Yoshida Minoru (Tokyo JPX), Image forming apparatus.
상세보기
Yamamoto Yoshikazu,JPX, Image forming apparatus.
상세보기
Yamamoto,Satoru; Motoyama,Eiichi; Koh,Shokyo; Sato,Mitsuhiko; Fujimori,Takashi; Sunada,Hidenori, Image forming apparatus.
상세보기
Yamamoto,Satoru; Motoyama,Eiichi; Koh,Shokyo; Sato,Mitsuhiko; Fujimori,Takashi; Sunada,Hidenori, Image forming apparatus.
상세보기
Shiraki, Masatoshi; Igarashi, Hiroshi, Image forming apparatus and developer cartridge.
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Yamamoto, Satoru; Motoyama, Eiichi; Koh, Shokyo; Sato, Mitsuhiko; Fujimori, Takashi; Sunada, Hidenori, Image forming apparatus for forming color images and monochrome images.
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Okubo Masao,JPX ; Kojima Noriaki,JPX ; Takahashi Nobukazu,JPX, Image forming apparatus having a transfer member positional downstream of a nip portion.
상세보기
Kobayashi Tatsuya (Sohka JPX) Sasame Hiroshi (Yokohama JPX) Kobayashi Tetsuya (Kawasaki JPX) Miyashiro Toshiaki (Ichikawa JPX), Image forming apparatus having charging member supplied with oscillating voltage.
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Takeyama Yoshinobu,JPX ; Saitoh Masanori,JPX ; Kibune Hideaki,JPX ; Yanagawa Nobuyuki,JPX, Image forming apparatus selectively operating one of a plurality of developing units and a method for controlling a switching operation for the developing units.
상세보기
Shimura, Noriaki; Suzuki, Nobutaka; Ikuma, Ken, Image forming apparatus that drives plural image forming stations with common motor.
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Sato, Masahiro; Kitamura, Atsuyuki; Inao, Tsukasa, Image forming apparatus with compactly arranged image forming devices.
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Senda, Seiichi, Image forming device having a plurality of image forming units with a single drive unit.
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Kanemoto, Seiichi, Image forming device with a support for a photosensitive body.
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Miyawaki, Katsuaki; Iijima, Takeshi; Takeda, Yusuke; Hirai, Shuji; Iwai, Sadayuki; Kosugi, Hideki; Obu, Makoto, Method for arranging image forming sections.
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Owen, Kevin; Kumar, Jeetendra; Moats, Travis; Wachter, Roman, Reduction of wear on selected components in multi-color imaging apparatus.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Image forming apparatus 원문보기

초록 ▼

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연구과제 타임라인

이 특허를 인용한 특허 (22)

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Image forming apparatus 원문보기

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이 특허를 인용한 특허 (22)

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특허 원문 보기

IPC 상위 출원인

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