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公开(公告)号：JPH08256234A
公开(公告)日：1996-10-01
申请号：JP6436496
申请日：1996-03-21
Applicant: CANON KK
Inventor： SUGIURA SUSUMU , HOSHINO OSAMU
Abstract: PURPOSE: To form images at a high speed at a low cost by accessing separately stored image data and character data corresponding to layout information and transmitting them through a common transmission line to an external image forming device. CONSTITUTION: The reader 601 of a transmission station color-resolves and reads an original and outputs respective color image signals and a pattern data generator 603 outputs the density pattern data of the respective color image signals and stores them in an image file 604. Also, a word processor 602 prepares sentence information, outputs code data for indicating characters and symbols, etc., and stores them in a sentence file 605. Then, a layout controller 606 is provided with a layout table for storing the layout information inputted from a keyboard 607 corresponding to a recording area on a reception side, accesses the image file 604 and the sentence file 605 corresponding to the information and transmits the information for which the image data and character code data coexist through the common transmission line to the external image forming device.
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公开(公告)号：JP2505206B2
公开(公告)日：1996-06-05
申请号：JP16127387
申请日：1987-06-30
Applicant: CANON KK
Inventor： HOSHINO OSAMU , MYAKE HIROYUKI , CHIKU KAZUYOSHI , MURAYAMA YASUSHI , SATO YUKIO , KUBOTA YOICHI , MYAGI TAKESHI
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公开(公告)号：JPH0365915A
公开(公告)日：1991-03-20
申请号：JP20238589
申请日：1989-08-04
Applicant: CANON KK
Inventor： SHIRAIWA KEISHIN , HOSHINO OSAMU
Abstract: PURPOSE:To effectively correct and control the deviation in the imaging position and optical scanning position to be generated at the time of scanning by constituting the scanner in such a manner that a scanning operation is started after one of the optical scanning position and the imaging position of a luminous flux is stabilized within a prescribed fluctuation range. CONSTITUTION:A weak light beam is generated from a light source device 1 in order to stabilize one of the imaging position and scanning position of the light beam within the prescribed range. This light beam is introduced to a light beam detector 15. An imaging position and/or scanning position control system 18 is driven and the deviation in the imaging position or scanning position is corrected when the deviation in the imaging position or scanning position is detected by the light beam detector 15 and a signal processing circuit 17. The position and condensing state of the light beam are maintained adequately on an object to be scanned over the entire effective scanning region in this way.
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公开(公告)号：JPH0343707A
公开(公告)日：1991-02-25
申请号：JP17844989
申请日：1989-07-11
Applicant: CANON KK
Inventor： SUZUKI MASAYUKI , HOSHINO OSAMU , SHIRAIWA KEISHIN , MINOURA KAZUO
Abstract: PURPOSE:To correct the deviation quantity of the scanning optical system excellently by storing information regarding the deviation quantity of the scanning optical system, controlling constituent elements of the scanning optical system partially according to the deviation quantity information, and adjusting the convergence position of a beam. CONSTITUTION:A CPU 11 calculates the field curvature quantity of the scanning optical system at a scanning position from scanning position information from a counter 9 and coefficient data on a continuous function representing the curvature field quantity of the scanning optical system which is stored on a memory(ROM) 12. Then the optical-axis directional movement quantity of a semiconductor laser 1 corresponding to the field curvature quantity is calculated and a piezoelectric element 2 fitted with a semiconductor laser 1 is driven through a D/A converter 14 and a piezoelectric element driving circuit 15 according to the arithmetic result. Consequently, the field curvature of the scanning optical system is corrected by the movement of the semiconductor laser 1 to obtain a beam spot in an excellent image formation or convergence state over the entire scanned surface 7.
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Patent Agency Ranking
公开(公告)号：JPH01188362A
公开(公告)日：1989-07-27
申请号：JP1084688
申请日：1988-01-22
Applicant: CANON KK
Inventor： KAN FUMITAKA , HOSHINO OSAMU , FUKUMOTO HIROSHI , KOBAYASHI MOTOKAZU
Abstract: PURPOSE:To peel a recording medium off an ink layer without fail by transporting liquid ink, applying electric energy to the ink in accordance with an image signal to form an ink image and energize, for the formation of an ink image and for reversed polarity, to a part corresponding to the tip of a recording medium for ink. CONSTITUTION:If a recording start signal is input, an ink transport roller 1, a coating roller 4, a transfer roller 6, and transport rollers 8a-8d rotate respectively to coat an ink layer on the roller 1 and transport recording paper 7. If the tip of the recording paper 7 comes to a position for a regist sensor 12, the transport of the recording paper is once suspended, and a voltage of reversed polarity which is opposite to a voltage when an ink image 2a is formed, is supplied to all electrode elements 5d of a recording head 5. Thus a cured part 26 is formed on the ink layer. An ink image 2a is formed on the ink layer by energization for recording to the recording head 5 in accordance with an image signal. When the tip of the cured part 26 reaches a pressure contact part with the transfer roller 6 simultaneously with the formation of an image, the ink image 2a is transferred to the recording paper 7.
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公开(公告)号：JPH01178467A
公开(公告)日：1989-07-14
申请号：JP262888
申请日：1988-01-11
Applicant: CANON KK
Inventor： FUKUMOTO HIROSHI , HOSHINO OSAMU , KAN FUMITAKA , KOBAYASHI MOTOKAZU
IPC: B41J2/33
Abstract: PURPOSE:To maintain ink applied for coating in an appropriate state and thereby to record a clear image, by providing a coating maintaining means to maintain a layer of the ink applied for coating on an ink transfer means in a prescribed state. CONSTITUTION:When an ink transfer roller 1 rotates, ink 2 is applied in a prescribed layer thickness on the surface of the ink transfer roller 1 by a coating means 4, and it is transferred with the rotation of the ink transfer roller 1. The ink 2 formed in the shape of a prescribed layer on the surface of the ink transfer roller 1 is given an electric energy or the like in the shape of an image pattern by an energy impressing means 5 and an ink image 2a to which an adhesion is given by the energy is formed. The ink image 2a is transferred onto an intermediate transfer roller 6 and then transferred onto a medium 8 to be recorded which is conveyed between a transfer roller 7 and the intermediate transfer roller 6. When the fluid ink 2 applied on the ink transfer roller 1 droops due to gravity, the drooping is detected by a detecting sensor 15, and the ink transfer roller 1, the coating roller 4 and the intermediate transfer roller 6 are rotated for a prescribed time or in a prescribed amount.
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公开(公告)号：JPH01174473A
公开(公告)日：1989-07-11
申请号：JP33535187
申请日：1987-12-29
Applicant: CANON KK
Inventor： KAN FUMITAKA , HOSHINO OSAMU , ARAHARA KOZO , DOI TAKESHI , SHIMADA KAZUTOSHI
IPC: B41J2/325
Abstract: PURPOSE:To achieve favorable multicolor recording with a simple construction by feeding different-colored fluid inks by supporting the inks in thin layers on a plurality of ink feeding means, and applying energy to each of the ink layers according to an image signal. CONSTITUTION:At the time of recording in only a black ink 7B, both the gap between an ink roller 1A and a coating roller 2A and the circumferential velocity of the roller 2A are maintained appropriately, and a thin ink layer 6B is brought into light contact with an intermediate transfer roller 8. In this condition, energy is supplied patternwise according to an image signal by a recording head 5A, whereby an image of the ink 7B is transferred patternwise to the intermediate transfer roller 8 and then to a recording sheet 11 on a paper support roller 10. At the time of transferring a red ink 7R also, the circumferential velocity of the ink roller 1A is lowered to reduce the thickness of the ink layer 6B so that the ink layer 6B does not make contact with the intermediate transfer roller 8 before a red ink image is similarly re-transferred onto the recording sheet 11. Thus, the multicolor recording can be conducted with a simple construction.
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公开(公告)号：JPH01170958A
公开(公告)日：1989-07-06
申请号：JP33069387
申请日：1987-12-25
Applicant: CANON KK
Inventor： MURAYAMA HATA , HOSHINO OSAMU , WAKU KAZUYOSHI , UCHIDA SETSU , MATSUZAWA KUNIHIKO
IPC: G03G15/01
Abstract: PURPOSE:To simplify position adjustment by providing plural image forming means with respective image forming position adjusting means by excluding image forming means among plural image forming devices. CONSTITUTION:This image forming device is to form an image by carrying image carriers successively to plurally arranged image forming stations. One of the plurally arranged image forming means does not have the position adjusting means but the others have. Thus, among plurally arranged scanning optical devices, only one scanning optical device is accurately positioned on a main body enclosure by assembling with a jig at high mechanical accuracy. The scanning optical device corrects the deviation of a formed image from an image in a different color, whereby sure and simple color slippage adjustment becomes possible.
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公开(公告)号：JPH01168478A
公开(公告)日：1989-07-03
申请号：JP32682687
申请日：1987-12-25
Applicant: CANON KK
Inventor： KAN FUMITAKA , FUKUMOTO HIROSHI , KOBAYASHI MOTOKAZU , HOSHINO OSAMU
Abstract: PURPOSE:To enable a tacky ink image to be transfer recorded on a transferred image receiving body, by providing an ink the transfer characteristics of which are varied by the application of electric energy thereto, and a power supply for applying a voltage between a conductive image and the ink. CONSTITUTION:An ink 3 is fluid, remains in a non-tacky gel state in a normal condition, and is brought into a tacky sol state when electric energy is applied thereto. A stainless steel plate is used as an electrode plate 2, while a form block 4 comprises an insulating film provided on the surface of a stainless steel conductive plate 4a by applying an insulating coating material such as a varnish and a lacquer to the surface, followed by drying. The insulating film 4b is scratched by a stencil paper to expose the conductive plate 4a, whereby a conductive image 4c can be formed easily. The conductive image 4c is brought into contact with the surface of an ink 3 in an outer container 1, whereby an electric current is passed to the ink 3 in the pattern of the conductive image 4c. As a result, an ink image 3a in the shape of the conductive pattern is formed, and the ink image 3a can be transferred onto a transferred image receiving body 6 such as a paper by pressing the surface of the ink 3 against the body 6.
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