US5398053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid jet recording apparatus having auxiliary recording head
Assignee: Canon Inc
•
Filing: 1993-08-18
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Granted: 1995-03-14
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Expires: 2013-08-18
Abstract
Abstract A liquid jet recording apparatus comprises a line type recording head emitting toward a recording medium a recording liquid for recording and a serial type recording head movable in the arrangement direction of the line type recording head orifices. The serial type recording head compensates for any improperly recording orifices of the line type recording head.
Inventors
- 👤 Toshiaki Hirosawa
- 👤 Makoto Takamiya
- 👤 Haruhiko Takahashi
- 👤 Hidejiro Kadowaki
- 👤 Ken Tsuchii
- 👤 Masafumi Wataya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:28
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/045; B41J2/04501; B41J2/0451; B41J2/0458; B41J2/135; B41J2/145; B41J2202/00; B41J2202/01; B41J2202/19; B41J2202/21
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
227 words
A recording apparatus for recording on a recording medium, said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium, said auxiliary recording head being distinct from said main recording head; a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head, so as to complete the line printing by said main recording head; and a drive unit comprising; a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium, and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head.
Claim 2
Dependent Claim
227 words
A recording apparatus for recording on a recording medium, said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium, said auxiliary recording head being distinct from said main recording head; a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head, so as to complete the line printing by said main recording head; and a drive unit comprising; a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium, and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head.
Claim 3
Dependent Claim
27 words
A recording apparatus according to claim 1, wherein the same recording liquid is supplied to both said line type main recording head and said auxiliary recording head.
Claim 4
Dependent Claim
26 words
A recording apparatus according to claim 1, wherein different recording liquids are respectively supplied to said line type main recording head and said auxiliary recording head.
Claim 5
Dependent Claim
24 words
A recording apparatus according to claim 1, further comprising a detector for detecting improperly printing orifices of said main line type recording head orifices.
Claim 6
Dependent Claim
45 words
A recording apparatus according to claim 4, wherein said auxiliary recording head is automatically brought into a position corresponding to an improperly emitting orifice of said main line type recording head by said moving mechanism on the basis of a detection result by said detector.
Claim 7
Dependent Claim
24 words
A recording apparatus according to claim 5, wherein said auxiliary recording head is an ink jet recording head using thermal energy to emit ink.
Claim 8
Dependent Claim
24 words
A recording apparatus according to claim 4, wherein said auxiliary recording head is an ink jet recording head using thermal energy to emit ink.
Claim 9
Dependent Claim
38 words
A recording apparatus according to claim 1, wherein said line type recording head and said recording head are ones for emitting the ink according to a thermal energy applied to the ink from an electro-thermal transducer provided therein.
Claim 10
Dependent Claim
40 words
A drive unit according to claim 8, wherein said recording heads are ones for emitting the ink from orifices by means of a film boiling effect in the ink according to a thermal energy generated by said electrothermal conversion element.
Claim 11
Dependent Claim
24 words
A recording apparatus according to claim 11, wherein said auxiliary recording head is an ink jet recording head using thermal energy to emit ink.
Claim 12
Dependent Claim
136 words
A drive unit for use in a recording apparatus having a main recording head for printing on a main recording area on a recording medium and at least one auxiliary recording head distinct from said main recording head, said drive unit comprising: a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head, wherein said auxiliary recording head is movable to a position over the main recording area, and wherein said main head and said auxiliary recording head are separately provided.
Claim 13
Dependent Claim
136 words
A drive unit for use in a recording apparatus having a main recording head for printing on a main recording area on a recording medium and at least one auxiliary recording head distinct from said main recording head, said drive unit comprising: a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head, wherein said auxiliary recording head is movable to a position over the main recording area, and wherein said main head and said auxiliary recording head are separately provided.
Claim 14
Dependent Claim
28 words
A drive unit according to claim 11, wherein said main recording head and said auxiliary recording head have emission energy generating members for generating energy to emit liquid.
Claim 15
Dependent Claim
40 words
A drive unit according to claim 12, wherein said recording heads are ones for emitting the ink from orifices by means of a film boiling effect in the ink according to a thermal energy generated by said electrothermal conversion element.
Claim 16
Dependent Claim
20 words
A drive unit according to claim 11, wherein said main recording head is fixedly disposed relative to said recording apparatus.
Claim 17
Dependent Claim
22 words
A drive unit according to claim 11, further comprising a detector for detecting an improperly recording portion of said main recording head.
Claim 18
Dependent Claim
37 words
A drive unit according to claim 12, wherein the poor ink emission of the main head is detected by change in a current into the energy generation member due to a discontinuity of the energy generation member.
Claim 19
Dependent Claim
184 words
A recording method for recording on a recording medium using a main recording head having a plurality of orifices spanning a width of the recording medium to record in print lines and at least one auxiliary recording head separate from said main recording head, said method comprising the steps of: selecting a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a said recording medium; selecting control means for controlling said drive signal supplying circuit, wherein when said main recording head ,provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head; wherein said auxiliary recording head is movable to a position over the main recording area; detecting poor printing by said main recording head; and recording with the auxiliary recording head a portion of a recording medium not recorded due to poor recording by said main recording head according to the detection of poor printing to complete the recording to be performed by the main recording head.
Claim 20
Dependent Claim
184 words
A recording method for recording on a recording medium using a main recording head having a plurality of orifices spanning a width of the recording medium to record in print lines and at least one auxiliary recording head separate from said main recording head, said method comprising the steps of: selecting a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a said recording medium; selecting control means for controlling said drive signal supplying circuit, wherein when said main recording head ,provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head; wherein said auxiliary recording head is movable to a position over the main recording area; detecting poor printing by said main recording head; and recording with the auxiliary recording head a portion of a recording medium not recorded due to poor recording by said main recording head according to the detection of poor printing to complete the recording to be performed by the main recording head.
Claim 21
Dependent Claim
23 words
A method according to claim 17, wherein said main recording head and auxiliary recording head are ink jet recording heads using thermal energy.
Claim 22
Dependent Claim
155 words
A process for recording on a recording medium, comprising the steps of: selecting a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; selecting an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; selecting a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head, so as to complete the line printing by the main recording head; and effecting recording using said recording apparatus.
Claim 23
Dependent Claim
155 words
A process for recording on a recording medium, comprising the steps of: selecting a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; selecting an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; selecting a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head, so as to complete the line printing by the main recording head; and effecting recording using said recording apparatus.
Claim 24
Dependent Claim
112 words
A recording apparatus using a main recording head for printing in a recording area on a recording medium and at least one auxiliary recording head distinct from said main recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head; wherein said auxiliary recording head is movable to a position over the recording area.
Claim 25
Dependent Claim
112 words
A recording apparatus using a main recording head for printing in a recording area on a recording medium and at least one auxiliary recording head distinct from said main recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said main recording head and said auxiliary recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said main recording head provides poor print quality, a drive signal is supplied to said auxiliary recording head to supplement the recording by said main recording head; wherein said auxiliary recording head is movable to a position over the recording area.
Claim 26
Dependent Claim
113 words
A recording apparatus using the first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; wherein said second recording head is relatively movable to a position over the recording area.
Claim 27
Dependent Claim
113 words
A recording apparatus using the first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; wherein said second recording head is relatively movable to a position over the recording area.
Claim 28
Dependent Claim
34 words
An apparatus according to claim 21, wherein said first and second recording heads are ones for emitting the ink according to a thermal energy applied to the ink from an electrothermal transducer provided therein.
Claim 29
Dependent Claim
41 words
An apparatus according to claim 22, wherein said first and second recording heads are ones for emitting the ink from orifices by means of a film boiling effect in the ink according to the thermal energy produced by said electro-thermal transducer.
Claim 30
Dependent Claim
152 words
A recording apparatus for recording on a recording medium, said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and an original image reading means.
Claim 31
Dependent Claim
152 words
A recording apparatus for recording on a recording medium, said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and an original image reading means.
Claim 32
Dependent Claim
151 words
A image forming apparatus said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and a means for transmitting and receiving an image information.
Claim 33
Dependent Claim
151 words
A image forming apparatus said apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and a means for transmitting and receiving an image information.
Claim 34
Dependent Claim
13 words
An apparatus according to claim 25 and further comprising an original reading means.
Claim 35
Dependent Claim
119 words
An image forming apparatus using a first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; and an original reading means; wherein said second recording head is relatively movable to a position over the recording area.
Claim 36
Dependent Claim
119 words
An image forming apparatus using a first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; and an original reading means; wherein said second recording head is relatively movable to a position over the recording area.
Claim 37
Dependent Claim
118 words
An image forming apparatus using a first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; and a transmitting means; wherein said second recording head is relatively movable to a position over the recording area.
Claim 38
Dependent Claim
118 words
An image forming apparatus using a first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; and a transmitting means; wherein said second recording head is relatively movable to a position over the recording area.
Claim 39
Dependent Claim
16 words
An image forming apparatus according to claim 28 and further comprising an original image reading means.
Claim 40
Dependent Claim
142 words
A image processing apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and a computer.
Claim 41
Dependent Claim
142 words
A image processing apparatus comprising: a main line type recording head for line type recording on a main recording area of the recording medium, said main recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head being so positioned as to be capable of printing on a printed surface of the main recording area of the recording medium; and a moving mechanism for moving said auxiliary recording head, wherein said auxiliary recording head conducts complementary printing on a portion of the recording medium not printed due to improper printing by said main recording head within a print line of the recording medium subjected to printing by said main recording head so as to complete the line printing by the main recording head; and a computer.
Claim 42
Dependent Claim
130 words
An image processing apparatus comprising a recording apparatus using the first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head said recording apparatus comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; wherein said second recording head is relatively movable to a position over the recording area; wherein said information processing apparatus further comprises a computer.
Claim 43
Dependent Claim
130 words
An image processing apparatus comprising a recording apparatus using the first recording head for printing on a recording area on a recording medium and at least one second recording head distinct from said first recording head said recording apparatus comprising: a drive signal supplying circuit for supplying a drive signal causing said first recording head and said second recording head respectively to record on a recording medium; and control means for controlling said drive signal supplying circuit, wherein when said first recording head provides poor print quality, a drive signal is supplied to said second recording head to supplement the recording by said first recording head; wherein said second recording head is relatively movable to a position over the recording area; wherein said information processing apparatus further comprises a computer.
Claim 44
Dependent Claim
90 words
A recording head, comprising: a main line type recording head for line type recording on a main recording area of a recording medium, said line type recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head positioned so as to be capable of printing on a printed surface of the main recording area of the recording medium, and wherein said auxiliary recording head is movable to a position over said main recording head.
Claim 45
Dependent Claim
90 words
A recording head, comprising: a main line type recording head for line type recording on a main recording area of a recording medium, said line type recording head having a plurality of orifices spanning the width of the recording medium to record in print lines; an auxiliary recording head, said auxiliary recording head positioned so as to be capable of printing on a printed surface of the main recording area of the recording medium, and wherein said auxiliary recording head is movable to a position over said main recording head.
Claim 46
Dependent Claim
32 words
A recording head according to claim 32, wherein said line type recording head and said auxiliary recording head emit ink according to thermal energy applied to the ink from an electro-thermal transducer.
References Cited (Backward Citations)
US4740796A
Cited
US4723129A
Cited
US4477823A
Cited
US4521805A
Cited
US4453166A
Cited
US4550327A
Cited
US4593295A
Cited
US4682216A
Cited
US4500893A
Cited
US4599627A
Cited
US4721968A
Cited
JPS60104335A
Cited
JPS60104338A
Cited
US4590482A
Cited
JPS60228158A
Cited
JPS61106257A
Cited
US4580148A
Cited
US4774526A
Cited
JPS62152887A
Cited
EP0331481A2
Cited
USPTO Annuity & Maintenance Windows
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