EP0627323A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method and apparatus for ink jet recording
Assignee: Canon Inc
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Filing: 1994-05-25
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Granted: —
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Expires: 2014-05-25
Abstract
Abstract The present invention aims to provide an ink jet recording apparatus and an ink jet recording method which can produce an image excellent in gradation and resolution and allows the image for text, graphics and listing to the obtained at high speed and good quality. The present invention allows a desired recorded image to be obtained by exchangeably comprising an ink jet unit for producing the image excellent in gradation, and an ink jet unit having higher character quality and capable of recording at high speed, and effecting recording control in accordance with the ink jet unit.
Inventors
- 👤 Yuji C/O Canon Kabushiki Kaisha Akiyama
- 👤 Hiromitsu C/O Canon Kabushiki Kaisha Hirabayashi
- 👤 Toshio C/O Canon Kabushiki Kaisha Kashino
- 👤 Hitoshi C/O Canon Kabushiki Kaisha Sugimoto
- 👤 Miyuki C/O Canon Kabushiki Kaisha Matsubara
- 👤 Fumihiro C/O Canon Kabushiki Kaisha Gotoh
- 👤 Hidehiko C/O Canon Kabushiki Kaisha Kanda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 03:24
CPC Classifications
B; B41; B41J; B41J25/00; B41J25/34; B41J2/00; B41J2/005; B41J2/01; B41J2/205; B41J2/2056; B41J2/135; B41J2/14; B41J2002/14362
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
98 words
An ink jet recording apparatus which performs the recording by discharging the ink onto the recording medium in accordance with the recording data, characterized by comprising: a mounting portion for exchangeably mounting either a first recording means for discharging a single kind of ink or a second recording means capable of discharging a plurality of kinds of inks; discriminating means for discriminating whether recording means to be mounted on said mounting portion is said first recording means or said second recording means; and recording control changing means for changing the recording control in accordance with said discriminating means.
Claim 2
Dependent Claim
32 words
An ink jet recording apparatus according to claim 1, wherein said second recording means is capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 3
Dependent Claim
32 words
An ink jet recording apparatus according to claim 1, wherein said first recording means and said second recording means have the discharge orifice arrays each composed of a plurality of discharge orifices.
Claim 4
Dependent Claim
31 words
An ink jet recording apparatus according to claim 3, wherein said second recording means has said discharge orifice arrays separately in plural sections, corresponding to said plurality of kinds of inks.
Claim 5
Dependent Claim
32 words
An ink jet recording apparatus according to claim 1, wherein said first recording means and said second recording means have discriminated means, said discriminating means making a discrimination with said discriminated means.
Claim 6
Dependent Claim
39 words
An ink jet recording apparatus according to claim 5, wherein said discriminated means is a plurality of pin members provided at contact points when said first recording means and said second recording means are mounted on said mounting portion.
Claim 7
Dependent Claim
40 words
An ink jet recording apparatus according to claim 5, wherein said discriminated means is an electrically conductive or non-electrically conductive member, and said discriminating means discriminates the type of said recording means by detecting the conductivity of said discriminated means.
Claim 8
Dependent Claim
71 words
An ink jet recording apparatus according to claim 1, further comprising: ink supply means to be exchangeably mounted on said mounting portion in accordance with the type of recording means mounted on said mounting portion; wherein said discriminating means makes a discrimination whether recording means to be mounted on said mounting portion is said first recording means or said second recording means by detecting the type of said ink supply means.
Claim 9
Dependent Claim
40 words
An ink jet recording apparatus according to claim 8, wherein said ink supply means has discriminated means in accordance with the type of corresponding recording means, said discriminating means making a discrimination for recording means by detecting said discriminated means.
Claim 10
Dependent Claim
22 words
An ink jet recording apparatus according to claim 9, wherein said discriminated means is a marking in accordance with corresponding recording means.
Claim 11
Dependent Claim
46 words
An ink jet recording apparatus according to claim 1, further comprising a plurality of image processing means corresponding to said first recording means and said second recording means, respectively, wherein said recording control changing means changes said image processing means in accordance with said discriminating means.
Claim 12
Dependent Claim
32 words
An ink jet recording apparatus according to claim 11, wherein said second recording means is capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 13
Dependent Claim
99 words
An ink jet recording apparatus according to claim 12, wherein said plurality of image processing means consists of a first table corresponding to said first recording means for determining the discharging of the ink in accordance with the density of the image to be recorded, and a second table corresponding to said second recording means for determining the discharging of said plurality of inks having different dye densities in accordance with the density of the image to be recorded, and said recording control changing means changes said first table and said second table in accordance with said discriminating means.
Claim 14
Dependent Claim
36 words
An ink jet recording apparatus according to claim 1, wherein said recording means has heat energy generating means for giving heat energy to the ink, and discharges the ink by the use of said heat energy.
Claim 15
Dependent Claim
47 words
An ink jet recording apparatus according to claim 14, wherein said recording means causes a state change in the ink by the use of the heat energy generated by said heat energy generating means, and discharges the ink owing to a pressure based on said state change.
Claim 16
Dependent Claim
18 words
An ink jet recording apparatus according to claim 1, further comprising reading means for reading the original image.
Claim 17
Dependent Claim
18 words
An ink jet recording apparatus according to claim 1, further comprising transmission and/or reception means of image information.
Claim 18
Dependent Claim
18 words
An ink jet recording apparatus according to claim 17, further comprising reading means for reading the original image.
Claim 19
Dependent Claim
17 words
An ink jet recording apparatus according to claim 1, further comprising input means for inputting record data.
Claim 20
Dependent Claim
16 words
An ink jet recording apparatus according to claim 19, wherein said input means is a keyboard.
Claim 21
Dependent Claim
104 words
An ink jet recording apparatus which performs the recording by discharging the ink onto the recording medium in accordance with the recording data, characterized by comprising: a mounting portion for exchangeably mounting either first recording means for discharging a single kind of ink or second recording means capable of discharging a plurality of kinds of inks; information generating means for generating information as to whether recording means to be mounted on said mounting portion is said first recording means or said second recording means; and recording control changing means for changing the recording control in accordance with the information of said information generating means.
Claim 22
Dependent Claim
32 words
An ink jet recording apparatus according to claim 21, wherein said second recording means is capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 23
Dependent Claim
32 words
An ink jet recording apparatus according to claim 21, wherein said first recording means and said second recording means have the discharge orifice arrays each composed of a plurality of discharge orifices.
Claim 24
Dependent Claim
31 words
An ink jet recording apparatus according to claim 23, wherein said second recording means has said discharge orifice arrays separately in plural sections, corresponding to said plurality of kinds of inks.
Claim 25
Dependent Claim
50 words
An ink jet recording apparatus according to claim 21, further comprising a plurality of image processing means corresponding to said first recording means and said second recording means, respectively, wherein said recording control changing means changes said image processing means in accordance with information generated by said information generating means.
Claim 26
Dependent Claim
32 words
An ink jet recording apparatus according to claim 25, wherein said second recording means is capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 27
Dependent Claim
98 words
An ink jet recording apparatus according to claim 26, wherein said plurality of image processing means consists of a first table corresponding to said first recording means for determining the discharging of the ink in accordance with the density of the image to be recorded, and a second table corresponding to said second recording means for determining the discharging of said plurality of inks having different dye densities in accordance with the density of the image to be recorded, and said recording control changing means changes said first table and said second table in accordance with said information.
Claim 28
Dependent Claim
25 words
An ink jet recording apparatus according to claim 21, wherein said information generating means is a dip switch provided on the ink jet recording apparatus.
Claim 29
Dependent Claim
25 words
An ink jet recording apparatus according to claim 21, wherein said information generating means is an operation panel provided on the ink jet recording apparatus.
Claim 30
Dependent Claim
31 words
An ink jet recording apparatus according to claim 21, wherein said information generating means generates said information based on an instruction from host means connected to the ink jet recording apparatus.
Claim 31
Dependent Claim
36 words
An ink jet recording apparatus according to claim 21, wherein said recording means has heat energy generating means for supplying heat energy to the ink, and discharges the ink by the use of said heat energy.
Claim 32
Dependent Claim
47 words
An ink jet recording apparatus according to claim 31, wherein said recording means causes a state change in the ink by the use of the heat energy generated by said heat energy generating means, and discharges the ink owing to a pressure based on said state change.
Claim 33
Dependent Claim
103 words
An ink jet recording method which performs the recording by discharging the ink onto the recording medium in accordance with the recording data by recording means mounted on a mounting portion for exchangeably mounting either first recording means for discharging a single kind of ink or second recording means capable of discharging a plurality of kinds of inks, characterized by including: a discrimination step of discriminating whether recording means to be mounted on said mounting portion is said first recording means or said second recording means; and a recording control changing step of changing the recording control in accordance with said discrimination step.
Claim 34
Dependent Claim
32 words
An ink jet recording method according to claim 33, wherein said second recording means is capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 35
Dependent Claim
135 words
An ink jet recording method according to claim 34, further including image processing steps for performing an image processing corresponding to recording means to be mounted in accordance with the image to be recorded, wherein said plurality of image processing steps determine the discharging of the ink for the recording means, based on a first table corresponding to said first recording means for determining the discharging of the ink in accordance with the density of the image to be recorded, and a second table corresponding to said second recording means for determining the discharging of said plurality of inks having different dye densities in accordance with the density of the image to be recorded, and wherein said recording control changing means changes said first table and said second table in accordance with said discrimination step.
Claim 36
Dependent Claim
32 words
An ink jet recording method according to claim 33, wherein said first recording means and said second recording means have discriminated means, said discrimination step making a discrimination by said discriminated means.
Claim 37
Dependent Claim
73 words
An ink jet recording method according to claim 33, wherein ink supply means is exchangeably mounted on said mounting portion in accordance with the type of recording means to be mounted on said mounting portion, and said discrimination step makes a discrimination as to whether recording means to be mounted on said mounting portion is said first recording means or said second recording means by detecting the type of said ink supply means.
Claim 38
Dependent Claim
37 words
An ink jet recording method according to claim 37, wherein said ink supply means has a marking in accordance with the type of corresponding recording means, and said discrimination step makes a discrimination by detecting said marking.
Claim 39
Dependent Claim
36 words
An ink jet recording method according to claim 33, wherein said recording means has heat energy generating means for supplying heat energy to the ink, and discharges the ink by the use of said heat energy.
Claim 40
Dependent Claim
47 words
An ink jet recording method according to claim 39, wherein said recording means causes a state change in the ink by the use of the heat energy generated by said heat energy generating means, and discharges the ink owing to a pressure based on said state change.
Claim 41
Dependent Claim
112 words
An ink jet recording method which performs the recording by discharging the ink onto the recording medium in accordance with the recording data by using recording means mounted on a mounting portion for exchangeably mounting either first recording means for discharging a single kind of ink or second recording means capable of discharging a plurality of kinds of inks, characterized by including: an information generation step of generating information as to whether recording means to be mounted on said mounting portion is said first recording means or said second recording means; and a recording control changing step of changing the recording control in accordance with the information of said information generation step.
Claim 42
Dependent Claim
135 words
An ink jet head for a recording apparatus which performs the recording by discharging the ink onto the recording medium in accordance with recording data, including a carriage mounting portion for exchangeably mounting said head, discriminating means for discriminating whether recording means to be mounted on said mounting portion is of a type for discharging a single kind of ink or of a type for discharging a plurality of kinds of inks; and recording control changing means for changing the recording control in accordance with said discriminating means, said head having discriminated means readable by said discriminating means and being of a kind capable of discharging a single first kind of ink or alternatively of a second kind capable of discharging a plurality of inks of the same type color and having different dye densities.
Claim 43
Dependent Claim
33 words
An ink jet head as claimed in claim 42, characterised in that said discriminated means is a plurality of members provided at contact points for engagement with cooperating members on said mounting portion.
Claim 44
Dependent Claim
44 words
An ink jet head as claimed in claim 42 or 43, characterised in that said discriminated means is an electrically conductive or non-electrically conductive member, whereby said discriminating means discriminates the type of said recording means by detecting the conductivity of said discriminated means.
Claim 45
Dependent Claim
40 words
An ink jet head as claimed in claim 42, 43 or 44, characterised in that heat energy generating means are provided for giving heat energy to the ink, whereby the ink is discharged by the use of said heat energy.
References Cited (Backward Citations)
No citation records indexed.
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