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公开(公告)号：DE69523507D1
公开(公告)日：2001-12-06
申请号：DE69523507
申请日：1995-05-22
Applicant: CANON KK
Inventor： SHIMOMURA AKIHIKO , KISHIDA HAJIME , SHIOYA MAKOTO , SATO OSAMU , SHIBA SHOJI , TANEYA YOICHI , SUZUKI MARIKO
Abstract: An ink-filling device (11) for filling ink to an ink tank (1) through an injection opening of an ink tank for storing ink to be supplied to a recording head (2), the ink filling device comprising an ink-holding part (5) for holding ink to be refilled, pressing mechanism for pressing the ink-holding part, a hollow tube (6) extending from the ink-holding part, and a fitting member (7) provided along the hollow tube for fitting to the injection opening, the fitting member having an air hole (7a) to communicate the interior of the ink tank with the outside in a fitted state.
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公开(公告)号：AU3944200A
公开(公告)日：2000-12-21
申请号：AU3944200
申请日：2000-06-13
Applicant: CANON KK
Inventor： MOCHIZUKI MUGA , SAITO ICHIRO , ISHINAGA HIROYUKI , IMANAKA YOSHIYUKI , MATSUMOTO NOBUYUKI , TANEYA YOICHI
Abstract: A recording head comprises a plurality of recording elements for performing recording; a driving circuit for driving the plurality of recording elements; and a predetermined voltage generating circuit for generating a predetermined voltage to be applied to the plurality of recording elements from voltage supplied from outside. With the head thus structured, a desired voltage is generated in the interior of the head by use of the predetermined voltage generating circuit for performing recording, thus making it possible to prevent the voltage drop which may take place if the voltage is supplied from outside through a cable, as well as to prevent the durability of the heat generating elements from being damaged due to noises. It also becomes possible to set the voltage to be applied to the recording elements at an optimal value corresponding to the discharge voltage, hence stabilizing ink discharges efficiently.
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公开(公告)号：CA2244509A1
公开(公告)日：1999-01-31
申请号：CA2244509
申请日：1998-07-29
Applicant: CANON KK
Inventor： SUGIYAMA HIROYUKI , KASHINO TOSHIO , ISHINAGA HIROYUKI , TANEYA YOICHI
Abstract: This specification discloses a liquid discharging method of discharging liquid from a discharge port for discharging the liquid by a liquid discharging element in a first liquid flow path communicating with the discharge port for supplying the liquid to the discharge port, characterized by the use of a variable member for causing negative pressure to act on the first liquid flow path. The specification also discloses a liquid discharging head having a discharge port for discharging liquid therethrough, a first bubble creating area for creating a first bubble in the liquid, and a first liquid flow path provided with the first bubble creating area and communicating with the discharge port, the liquid in the first liquid flow path being discharged through the discharge port by the creation of the first bubble, characterized by a second bubble creating area for creating a second bubble in the liquid, a second liquid flow path provided with the second bubble creating area, and negative pressure acting means using a variable member provided between the first liquid flow path and the second liquid flow path for causing only negative pressure to act in the first liquid flow path by the disappearance of the second bubble. The specification also discloses a head cartridge and a liquid discharging apparatus using such liquid discharging head.
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公开(公告)号：CA2243913A1
公开(公告)日：1999-01-31
申请号：CA2243913
申请日：1998-07-27
Applicant: CANON KK
Inventor： ISHINAGA HIROYUKI , SUGIYAMA HIROYUKI , KANEDA TOMOYUKI , KASHINO TOSHIO , TANEYA YOICHI
Abstract: A liquid discharge method is designed for a liquid jet head provided with first discharge openings, a first liquid flow path conductively connected with each of the first discharge openings, first energy generating devices for generating energy for the discharge of droplets from the first discharge openings, second discharge openings, a second liquid flow path conductively connected with each of the second discharge openings, and second energy generating devices for generating energy for the discharge of droplets from the second discharge openings. Then, preceding the discharge of the first droplet from the discharge opening at a first discharge speed V1, the second droplet is discharged from the second discharge opening at a second discharge speed v2 smaller than the first discharge speed, and before each of the liquid droplets being impacted on an object, the first liquid droplet and the second liquid droplet are allowed to collide with each other to be combined. In this way, it becomes possible to allow two droplets to be in contact or to collide with each other reliably to be mixed between the liquid jet head and the object within a range that does not render any hinderance practically even if discharge speeds may fluctuate, hence obtaining precise images in higher quality.
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公开(公告)号：AU6994698A
公开(公告)日：1998-12-10
申请号：AU6994698
申请日：1998-06-05
Applicant: CANON KK
Inventor： SUGIYAMA HIROYUKI , ISHINAGA HIROYUKI , KASHINO TOSHIO , YOSHIHIRA AYA , KUDO KIYOMITSU , TANEYA YOICHI , SHIMAZU SATOSHI
Abstract: A method for the discharge of a liquid and a liquid discharge head are provided which produce stable discharge of the liquid and, at the same time, facilitate the supply of the liquid by repressing the oscillation of a movable separation membrane during the extinction of bubbles. The method comprises using a movable separation membrane for separating a first flow path communicating with a discharge port for discharging the liquid and a second flow path furnished with a bubble generating region for generating bubbles in the liquid by the use of a heating element, disposing a movable member opposed to the bubble generating region across the movable separation membrane and furnished with a free terminal in the direction of liquid discharge, causing separation between the movable separation membrane and the movable member during the contraction of the bubbles, and inducing the intrusion of the liquid therebetween.
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Patent Agency Ranking
公开(公告)号：AU6380998A
公开(公告)日：1998-06-25
申请号：AU6380998
申请日：1998-05-04
Applicant: CANON KK
Inventor： SHIMOMURA AKIHIKO , TOGANOH SHIGEO , MASUDA KAZUAKI , TAKENOUCHI MASANORI , MAEOKA KUNIHIKO , HIGUMA MASAHIKO , AONO KENJI , TANEYA YOICHI , MIYAGAWA MASASHI
IPC: B41J2/175 , B41J2/01 , B41J2/14 , C08L101/00 , C08L101/08 , C08L101/10 , C09K3/10
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27.发明专利
公开(公告)号：AU2859897A
公开(公告)日：1998-01-22
申请号：AU2859897
申请日：1997-07-11
Applicant: CANON KK
Inventor： ASAKAWA YOSHIE , ISHINAGA HIROYUKI , KASHINO TOSHIO , NAGASHIMA AKIRA , YOSHIHIRA AYA , KUDO KIYOMITSU , TANEYA YOICHI
Abstract: A liquid discharge head comprises discharge ports for discharging the liquid, a bubble producing area for producing an air bubble in the liquid of liquid flow channels, and a movable member, which is disposed toward the bubble producing area, and displaceable between a first position and a second position farther away from the bubble producing area than the first position, the liquid discharge head discharging the liquid in such a manner that the movable member is displaced from the first position to the second position by a pressure due to a bubble produced in the bubble producing area, and the bubble is more greatly expanded downstream than upstream in a direction toward the discharge port, due to the displacement of the movable member. The head has a check valve disposed in a liquid supply passage leading to the liquid flow channels.
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公开(公告)号：AU684346B2
公开(公告)日：1997-12-11
申请号：AU2026695
申请日：1995-05-24
Applicant: CANON KK
Inventor： SATO YOHEI , MASUDA KAZUAKI , OSADA TORACHIKA , HIGUMA MASAHIKO , KAWAI JUN , IZUMIDA MASAAKI , TANEYA YOICHI , IKETANI MASARU
IPC: B41J2/175
Abstract: An ink container includes an ink storing portion for storing ink; an ink supplying portion for supplying ink to a recording head portion; an air vent for taking the atmospheric air into the ink container; and a hollow tube, one end of which opens to the atmosphere at the air vent, above the liquid level of the stored ink, and the other end of which opens within the ink container adjacent to the bottom portion of the ink container.
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公开(公告)号：AU5085496A
公开(公告)日：1996-11-14
申请号：AU5085496
申请日：1996-04-23
Applicant: CANON KK
Inventor： ISHINAGA HIROYUKI , MASUDA KAZUAKI , KANEKO HAJIME , HIGUMA MASAHIKO , KAMIYAMA YUJI , TANEYA YOICHI
IPC: B41J2/175
Abstract: An ink container (1) includes an ink absorbing material accommodating chamber (3) for accommodating an ink absorbing material (7) for retaining ink to be supplied to a recording head; an ink supply opening (5) connectable with said recording head to supply the ink to the recording head from said accommodating chamber (3); an air vent portion for fluid communication between said accommodating chamber (3) with ambience; wherein said air vent portion has an inside opening (6a) in fluid communication with an inside of said accommodating chamber (3), an outside opening (6b) open to the ambience, and a fluid communication path (6c) in fluid communication with said inside opening (6a) and outside opening (6b); wherein said outside opening (6b) takes, when said container is mounted on an apparatus with which it is usable, a position lower than that taken by said inside opening.
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公开(公告)号：AU7032394A
公开(公告)日：1995-05-11
申请号：AU7032394
申请日：1994-08-17
Applicant: CANON KK
Inventor： OKAZAKI TAKESHI , IKEDA MASAMI , ABE TSUTOMU , KASHINO TOSHIO , HIGUMA MASAHIKO , TAJIMA HIROKI , ISHINAGA HIROYUKI , TANEYA YOICHI
Abstract: An ink tank (3) connectable to one of a plurality of ink jet print heads (2) and being detachably mounted on a carriage (5) having a mounting portion which is provided with plural partition ribs that together define a plurality of mounting locations (6) each of which is sized to mount said ink tank (3), said ink tank (3) comprising: a plurality of ink tank parts (3A); and an ink tank connection structure for connecting at least two of said plurality of ink tank parts, the connected ink tank parts corresponding to at least two adjacent mounting locations in said plurality of mounting locations, wherein said ink tank is arranged to avoid interference with an intervening one of said plural partition ribs provided between said at least two adjacent mounting locations (6).
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