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EP0630752A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Ink jet recording method and apparatus

Assignee: Canon Inc
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Filing: 1994-06-23
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Granted: —
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Expires: 2014-06-23
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Abstract

Abstract An ink jet recording method using a number of ejection outlets for ejecting ink includes grouping a number of ejection outlets into a plurality of groups such that ejection regions are partly overlapped; and supplying driving signals in such an order that ejection regions of groups of ejection outlets are partly overlapped.

Inventors

  • 👤 Hiroshi C/O Canon K.K. Tajika
  • 👤 Masami C/O Canon K.K. Ikeda
  • 👤 Hiromitsu C/O Canon K.K. Hirabayashi
  • 👤 Jiro C/O Canon K.K. Moriyama
  • 👤 Toshio C/O Canon K.K. Kashino
  • 👤 Noribumi C/O Canon K.K. Koitabashi
  • 👤 Yuji C/O Canon K.K. Akiyama
  • 👤 Takeshi C/O Canon K.K. Okazaki
  • 👤 Masaaki C/O Canon K.K. Izumida

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 20:32
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/045; B41J2/04501; B41J2/04541; B41J2/04543; B41J2/0458; B41J2/04588; B41J2/04591; B41J2/04598; B41J2/21; B41J2/2132; G; G06; G06K; G06K15/00; G06K15/02; G06K15/10; G06K15/102; G06K15/105; H; H04; H04N; H04N1/00; H04N1/40; H04N1/40025; H04N1/40031; H04N1/46; H04N1/50; H04N1/502; G06K2215/00; G06K2215/101; G06K2215/111

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 52 words
An ink jet recording method using a number of ejection outlets for ejecting ink, comprising: grouping a number of ejection outlets into a plurality of groups such that ejection regions are partly overlapped; and supplying driving signals in such an order that ejection regions of groups of ejection outlets are partly overlapped.
Claim 2
Dependent Claim 18 words
A method according to Claim 1, wherein the group consists of even number or odd number ejection outlets.
Claim 3
Dependent Claim 16 words
A method according to Claim 1, wherein said drive signals each comprises a plurality of pulses.
Claim 4
Dependent Claim 15 words
A method according to Claim 1, wherein the driving signals each comprises a single pulse.
Claim 5
Dependent Claim 14 words
A method according to Claim 1, wherein the ink is ejected by thermal energy.
Claim 6
Dependent Claim 48 words
An ink jet recording apparatus for effecting recording by ejecting ink through a number of ejection outlets, comprising: groups of election outlets, wherein ejection regions of groups are partly overlapped; supplying means for supplying driving signals in such an order that ejection regions of groups are partly overlapped.
Claim 7
Dependent Claim 18 words
An apparatus according to Claim 6, wherein the group consists of even number or odd number ejection outlets.
Claim 8
Dependent Claim 16 words
An apparatus according to Claim 6, wherein said drive signals each comprises a plurality of pulses.
Claim 9
Dependent Claim 15 words
An apparatus according to Claim 6, wherein the driving signals each comprises a single pulse.
Claim 10
Dependent Claim 14 words
An apparatus according to Claim 6, wherein the ink is ejected by thermal energy.
Claim 11
Dependent Claim 19 words
An apparatus according to Claim 6, further comprising a carriage for mounting a recording head having said ejection outlets.
Claim 12
Dependent Claim 24 words
An apparatus according to Claim 6, further comprising feeding means for feeding a recording material, on which recording is effected by said ejection outlets.
Claim 13
Dependent Claim 14 words
An apparatus according to Claim 6, wherein said recording apparatus is a copying machine.
Claim 14
Dependent Claim 13 words
An apparatus according to Claim 6, wherein said apparatus is a facsimile machine.
Claim 15
Dependent Claim 16 words
An apparatus according to Claim 6, wherein said recording apparatus is a terminal of a computer.

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