US4580150A
Expired / Lapsed
US
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Recording apparatus
Assignee: Canon Inc
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Filing: 1984-07-17
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Granted: 1986-04-01
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Expires: 2004-07-17
Abstract
Abstract Disclosed is a recording apparatus wherein a record head having a plurality of ink jet nozzles is mounted on a carriage which scans a print plane. The number of ink jet nozzles of a first color ink used to record primary characters or patterns is larger than the number of ink jet nozzles of a second color ink used to record non-primary characters or patterns, and the print speed for the primary characters or patterns is higher than the print speed for the non-primary characters or patterns.
Inventors
- 👤 Shigemitsu Tazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:38
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/20; B41J19/202; B41J19/205; B41J19/207; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2121; B41J2/2128
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
86 words
A recording apparatus comprising: a carriage for scanning a print plane; a record head having a plurality of ink jet nozzles mounted on said carriage; the number of ink jet nozzles of a first color ink used to record primary characters or patterns being larger than the number of ink jet nozzles of a second color ink used to record non-primary characters or patterns; and the print speed for the primary characters or patterns being higher than the print speed for the non-primary characters or patterns.
Claim 2
Dependent Claim
86 words
A recording apparatus comprising: a carriage for scanning a print plane; a record head having a plurality of ink jet nozzles mounted on said carriage; the number of ink jet nozzles of a first color ink used to record primary characters or patterns being larger than the number of ink jet nozzles of a second color ink used to record non-primary characters or patterns; and the print speed for the primary characters or patterns being higher than the print speed for the non-primary characters or patterns.
Claim 3
Dependent Claim
34 words
A recording apparatus according to claim 1 wherein said ink jet nozzles of the first color ink for the primary characters or patterns are arranged in a direction of feed of a print paper.
Claim 4
Dependent Claim
38 words
A recording apparatus according to claim 1 further comprising respective tanks for the first and second color inks, wherein said tank for said first color ink is larger in capacity than said tank for said second color ink.
Claim 5
Dependent Claim
21 words
A recording apparatus according to claim 1 further comprising a linear motor, wherein said carriage is driven by said linear motor.
Claim 6
Dependent Claim
44 words
A recording apparatus according to claim 1 further comprising a pulse motor, wherein a print paper opposite to said ink jet nozzles is selectively driven in a paper feed direction and in a reverse direction from the paper feed direction by said pulse motor.
Claim 7
Dependent Claim
109 words
A recording apparatus comprising: a carriage; a motor for driving said carriage relative to the surface of a print paper in a carriage drive direction; and a plurality of ink jet nozzles mounted on said carriage, said plurality including a first number of ink jet nozzles for ink with a specific color and a second number of ink jet nozzles for another ink with a different color from said specific color, wherein said first number are arranged generally perpendicular to the carriage drive direction relative to each other and along the carriage drive direction relative to said second number and said first number is larger than said second number.
Claim 8
Dependent Claim
109 words
A recording apparatus comprising: a carriage; a motor for driving said carriage relative to the surface of a print paper in a carriage drive direction; and a plurality of ink jet nozzles mounted on said carriage, said plurality including a first number of ink jet nozzles for ink with a specific color and a second number of ink jet nozzles for another ink with a different color from said specific color, wherein said first number are arranged generally perpendicular to the carriage drive direction relative to each other and along the carriage drive direction relative to said second number and said first number is larger than said second number.
Claim 9
Dependent Claim
38 words
A recording apparatus according to claim 6 further comprising a pulse motor, wherein said print paper is selectively driven in a paper feed direction and in a reverse direction from the paper feed direction by said pulse motor.
Claim 10
Dependent Claim
14 words
A recording apparatus according to claim 6 wherein said motor comprises a linear motor.
Claim 11
Dependent Claim
41 words
A recording apparatus according to claim 6 further comprising respective tanks for ink of said specific color and said other color wherein said tank for said specific color ink is larger in capacity than said tank for said other color ink.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |