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1. 发明专利

DE68929233T2 未知
公开(公告)号：DE68929233T2
公开(公告)日：2000-12-21
申请号：DE68929233
申请日：1989-04-24
申请人： CANON KK
发明人： ATOBE HIROSHI
IPC分类号： B41J2/44 , G06K15/12 , H04N1/00 , H04N1/21 , H04N1/23 , H04N1/32 , H04N1/36
摘要： A recording apparatus (111) includes a receiving unit (112) for receiving an image signal sent from an external apparatus (110), and a recording unit (104) for performing a recording operation in accordance with the image signal received by the receiving unit. The receiving unit includes a clock signal generating unit (82) for generating a clock signal used when receiving the image signal; and includes a first reception mode where the image signal is received without using the clock signal and a second reception mode where the image signal is received by using the clock signal. The receiving unit may include a first reception mode where the image signal is received by using a clock signal (on 80) sent from the external apparatus and a second reception mode where the image signal is received without using the clock signal. The receiving unit may include a clock signal generating unit for generating a clock signal used when receiving the image signal, a first reception mode where the image signal is received in accordance with the clock signal sent from the external apparatus and a second reception mode where the image signal is received by sending the clock signal generated by the clock signal generating unit to the external apparatus.

2. 发明专利

DE69430691D1 未知
公开(公告)号：DE69430691D1
公开(公告)日：2002-07-04
申请号：DE69430691
申请日：1994-10-20
申请人： CANON KK
发明人： ATOBE HIROSHI , NAGATA SATOSHI , TOYOKURA YOICHI , SUENAGA MAIKO
IPC分类号： B41J5/44 , B41J2/485 , G06F3/12 , G06K15/02 , G06T11/00
摘要： A dot pattern is generated by using scalable font data on the basis of received print data, and then printed. One scalable font set corresponds to two kinds of dot pattern generating modes. One generates a dot pattern with quality being given precedence, and the other generates a dot pattern with speed being given precedence and for printing at high speed, though quality inferior. The two modes are switchable to perform printing to fit user's needs.

3. 发明专利

DE69228433D1 未知
公开(公告)号：DE69228433D1
公开(公告)日：1999-03-25
申请号：DE69228433
申请日：1992-03-27
申请人： CANON KK
发明人： SETO KAORU , KANAIWA KIYOSHI , ITOH MICHIO , MANO HIROSHI , YAMADA HIROMICHI , KASHIHARA ATSUSHI , KAWANA TAKASHI , ATOBE HIROSHI , SAITO TETUSO
IPC分类号： G06K15/12 , G06K15/02
摘要： Binary data (VDO) developed to a dot pattern are sequentially stored in line memories (1 - 9). A processing circuit (43) is constituted by a logic calculation circuit, and determines an edge portion of an image or a halftone image on the basis of 11 x 9 pixel data in shift registers (34 - 43). When the edge portion of an image is determined, data of a pixel of interest is converted to data that can print a smooth edge portion. Changed data (VDOM) is converted again according to the type of toner. The converted signal is supplied to a laser driver of a printer, and a printing operation is performed by scanning a laser. A resolution setting unit (1700) receives a resolution setting command from an external apparatus (1300), and sets a designated resolution in a printer (1200) according to the resolution setting command. The resolution setting unit (1700) divides one pixel into an optimal number of pixel sections on the basis of the designated resolution, and sets a logic circuit for performing optimal smoothing processing for divided data in a smoothing unit (1018). Bit map development based on code data supplied from the external apparatus (1300), and smoothing processing according to a smoothing logic are performed.

4. 发明专利

DE69030701D1 未知
公开(公告)号：DE69030701D1
公开(公告)日：1997-06-19
申请号：DE69030701
申请日：1990-10-01
申请人： CANON KK
发明人： OJIMA MASAKI , OHKUBO MASAHARU , ITOH MICHIO , SASAME HIROSHI , YAMADA HIROMICHI , SAITO TETSUO , KASHIHARA ATSUSHI , KAWANA TAKASHI , MANO HIROSHI , SETO KAORU , ATOBE HIROSHI
IPC分类号： H04N1/40 , H04N1/405

5. 发明专利

DE69034055D1 未知
公开(公告)号：DE69034055D1
公开(公告)日：2003-05-08
申请号：DE69034055
申请日：1990-10-01
申请人： CANON KK
发明人： OJIMA MASAKI , OHKUBO MASAHARU , KAWANA TAKASHI , ITOH MICHIO , MANO HIROSHI , SASAME HIROSHI , SETO KAORU , YAMADA HIROMICHI , ATOBE HIROSHI , SAITO TETSUO , KASHIHARA ATSUSHI
IPC分类号： H04N1/40 , H04N1/405

6. 发明专利

ES2176215T3 未知
公开(公告)号：ES2176215T3
公开(公告)日：2002-12-01
申请号：ES94116580
申请日：1994-10-20
申请人： CANON KK
发明人： ATOBE HIROSHI , NAGATA SATOSHI , TOYOKURA YOICHI , SUENAGA MAIKO
IPC分类号： B41J5/44 , B41J2/485 , G06F3/12 , G06K15/02 , G06T11/00
摘要： A dot pattern is generated by using scalable font data on the basis of received print data, and then printed. One scalable font set corresponds to two kinds of dot pattern generating modes. One generates a dot pattern with quality being given precedence, and the other generates a dot pattern with speed being given precedence and for printing at high speed, though quality inferior. The two modes are switchable to perform printing to fit user's needs.

7. 发明专利

DE69131369T2 未知
公开(公告)号：DE69131369T2
公开(公告)日：1999-12-16
申请号：DE69131369
申请日：1991-07-30
申请人： CANON KK
发明人： HONMA KOICHI , ISHIKAWA HISASHI , ATOBE HIROSHI
IPC分类号： G06T9/00 , H04N1/387 , H04N1/41 , H04N7/26 , H04N7/30 , G06T11/00
摘要： An image processing apparatus comprising: a plurality of gradation-information storage means for storing multi-value gradation information; resolution information storage means for storing resolution information; and selection means for selecting the plurality of gradation information storage means in accordance with the resolution information stored in the resolution information storage means, wherein at least one of the plurality of gradation information storage means compresses the gradation information so as to store it.

8. 发明专利

DE69131369D1 未知
公开(公告)号：DE69131369D1
公开(公告)日：1999-07-29
申请号：DE69131369
申请日：1991-07-30
申请人： CANON KK
发明人： HONMA KOICHI , ISHIKAWA HISASHI , ATOBE HIROSHI
IPC分类号： G06T9/00 , H04N1/387 , H04N1/41 , H04N7/26 , H04N7/30 , G06T11/00
摘要： An image processing apparatus comprising: a plurality of gradation-information storage means for storing multi-value gradation information; resolution information storage means for storing resolution information; and selection means for selecting the plurality of gradation information storage means in accordance with the resolution information stored in the resolution information storage means, wherein at least one of the plurality of gradation information storage means compresses the gradation information so as to store it.

9. 发明专利

HK1012103A1 Information recording apparatus and image recording method 未知
公开(公告)号：HK1012103A1
公开(公告)日：1999-07-23
申请号：HK98113115
申请日：1998-12-10
申请人： CANON KK
发明人： MANO HIROSHI , KAWANA TAKASHI , YAMADA HIROMICHI , SETO KAORU , KASHIHARA ATSUSHI , ITOH MICHIO , KANAIWA KIYOSHI , ATOBE HIROSHI , SAITO TETUSO
IPC分类号： G06K15/12 , G06K
摘要： Binary data (VDO) developed to a dot pattern are sequentially stored in line memories (1 - 9). A processing circuit (43) is constituted by a logic calculation circuit, and determines an edge portion of an image or a halftone image on the basis of 11 x 9 pixel data in shift registers (34 - 43). When the edge portion of an image is determined, data of a pixel of interest is converted to data that can print a smooth edge portion. Changed data (VDOM) is converted again according to the type of toner. The converted signal is supplied to a laser driver of a printer, and a printing operation is performed by scanning a laser. A resolution setting unit (1700) receives a resolution setting command from an external apparatus (1300), and sets a designated resolution in a printer (1200) according to the resolution setting command. The resolution setting unit (1700) divides one pixel into an optimal number of pixel sections on the basis of the designated resolution, and sets a logic circuit for performing optimal smoothing processing for divided data in a smoothing unit (1018). Bit map development based on code data supplied from the external apparatus (1300), and smoothing processing according to a smoothing logic are performed.

10. 发明专利

DE69030701T2 未知
公开(公告)号：DE69030701T2
公开(公告)日：1997-10-02
申请号：DE69030701
申请日：1990-10-01
申请人： CANON KK
发明人： OJIMA MASAKI , OHKUBO MASAHARU , ITOH MICHIO , SASAME HIROSHI , YAMADA HIROMICHI , SAITO TETSUO , KASHIHARA ATSUSHI , KAWANA TAKASHI , MANO HIROSHI , SETO KAORU , ATOBE HIROSHI
IPC分类号： H04N1/40 , H04N1/405

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