Patent US6042279A successfully refreshed from Google Patents.
US6042279A
Expired / Lapsed
US
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Method and apparatus for printing with real-time print quality correction, such as in one or two dimensional bar code printing
Assignee: Intermec IP Corp
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Filing: 1998-01-22
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Granted: 2000-03-28
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Expires: 2018-01-22
Abstract
Abstract A printer and method of printing including in a feedback mechanism having an imaging head for imaging, digitizing, or sampling at least a portion of a symbol, a comparator for comparing the imaged portion to a print command provided by a print logic print driver so as to generate print logic update information, whereby the print logic is updated in real time in response to the print logic update information.
Inventors
- 👤 H. Sprague Ackley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
G; G06; G06K; G06K5/00; G06K5/02; G06K1/00; G06K1/12; G06K1/121
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
100 words
A method of printing a bar code symbol on a media, the method comprising: driving a print head in response to print data defining a printable image provided by a print logic to print an element of the bar code symbol on the media; operating an image head to create a digitized image of the printed element; comparing the digitized image of the printed element with the print data; generating a print logic update information based on the comparison; and updating the print logic with the print logic update information before all elements of the bar code symbol are printed.
Claim 2
Independent Claim
100 words
A method of printing a bar code symbol on a media, the method comprising: driving a print head in response to print data defining a printable image provided by a print logic to print an element of the bar code symbol on the media; operating an image head to create a digitized image of the printed element; comparing the digitized image of the printed element with the print data; generating a print logic update information based on the comparison; and updating the print logic with the print logic update information before all elements of the bar code symbol are printed.
Claim 3
Dependent Claim
20 words
The method of claim 1 wherein driving a print head includes printing a bar element of the bar code symbol.
Claim 4
Dependent Claim
23 words
The method of claim 2 wherein driving a print head includes printing a portion of a bar element of the bar code symbol.
Claim 5
Independent Claim
89 words
A method of printing marks on a media, the method comprising: driving a print head in response to print data defining a printable image provided by a print logic to print a first set of marks on the media; operating an image head to create a digitized image of the first set of marks; comparing the digitized image with the print data; generating print logic update information based on the comparison; and updating the print logic with the print logic update information before printing a second set of marks.
Claim 6
Independent Claim
89 words
A method of printing marks on a media, the method comprising: driving a print head in response to print data defining a printable image provided by a print logic to print a first set of marks on the media; operating an image head to create a digitized image of the first set of marks; comparing the digitized image with the print data; generating print logic update information based on the comparison; and updating the print logic with the print logic update information before printing a second set of marks.
Claim 7
Dependent Claim
35 words
The method of claim 4 wherein driving a print head to print a first set of marks comprises: supplying a print data to a print driver; and supplying a strobe signal to a print driver.
Claim 8
Dependent Claim
27 words
The method of claim 4 wherein driving a print head to print a first set of marks includes printing a bar element of a bar code symbol.
Claim 9
Dependent Claim
30 words
The method of claim 4 wherein driving a print head to print a first set of marks includes printing a portion of a bar element of a bar code symbol.
Claim 10
Dependent Claim
32 words
The method of claim 4 wherein driving a print head to print a first set of marks includes printing a portion of a plurality of bar elements of a bar code symbol.
Claim 11
Dependent Claim
26 words
The method of claim 4 wherein driving a print bead to print a first set of marks includes printing a portion of an alpha-numeric character symbol.
Claim 12
Dependent Claim
25 words
The method of claim 4 wherein driving a print head to print a first set of marks includes printing a portion of a graphic symbol.
Claim 13
Dependent Claim
19 words
The method of claim 4 further comprising: generating a print quality report based on a result of the comparison.
Claim 14
Independent Claim
66 words
A method of printing a symbol on a media, the method of printing comprising: printing an element of the symbol on the media in response to print data provided by a print logic; creating an image of the printed element; comparing the created image with the print data; and adjusting the printing based on the comparison before all of the elements of the symbol are printed.
Claim 15
Independent Claim
66 words
A method of printing a symbol on a media, the method of printing comprising: printing an element of the symbol on the media in response to print data provided by a print logic; creating an image of the printed element; comparing the created image with the print data; and adjusting the printing based on the comparison before all of the elements of the symbol are printed.
Claim 16
Dependent Claim
50 words
The method of claim 12 wherein printing an element of the symbol comprises: supplying the print data to a print driver; and supplying a strobe signal to the print driver, the strobe signal modulated to control an amount of power delivered to a resistive element of a thermal print head.
Claim 17
Dependent Claim
22 words
The method of claim 12, further comprising: storing the imaged portion of the element printed on the media in a memory device.
Claim 18
Dependent Claim
22 words
The method of claim 12 wherein printing an element of the symbol includes printing a bar element of a bar code symbol.
Claim 19
Dependent Claim
25 words
The method of claim 12 wherein printing an element of the symbol includes printing a portion of a bar element of a bar code symbol.
Claim 20
Dependent Claim
27 words
The method of claim 12 wherein printing an element of the symbol includes printing a portion of a plurality of bar elements of a bar code symbol.
Claim 21
Dependent Claim
18 words
The method of claim 12 wherein printing an element includes printing a portion of an alpha-numeric character symbol.
Claim 22
Dependent Claim
17 words
The method of claim 12 wherein printing an element includes printing a portion of a graphic symbol.
Claim 23
Dependent Claim
18 words
The method of claim 12, further comprising: generating a print quality report from the print logic update information.
Claim 24
Dependent Claim
110 words
A media having a symbol printed thereon by the method comprising: driving a print head with print data corresponding to a printable image and provided by a print logic to print an element of a symbol on the media; imaging at least a portion of the element of the symbol printed on the media to create an imaged portion of the element printed on the media; comparing the imaged portion of the element printed on the media with the print data to generate print logic update information; updating the print logic with the print logic update information before all of the elements of the symbol are printed on the media.
Claim 25
Dependent Claim
110 words
A media having a symbol printed thereon by the method comprising: driving a print head with print data corresponding to a printable image and provided by a print logic to print an element of a symbol on the media; imaging at least a portion of the element of the symbol printed on the media to create an imaged portion of the element printed on the media; comparing the imaged portion of the element printed on the media with the print data to generate print logic update information; updating the print logic with the print logic update information before all of the elements of the symbol are printed on the media.
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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) | 2003-03-28 | 2003-09-27 | 2004-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-28 | 2007-09-27 | 2008-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-28 | 2011-09-27 | 2012-03-28 | $7700.00 | Window Closed / Lapsed |