US6025856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic indication sheet printing method and magnetic indication sheet printing apparatus
Assignee: Star Micronics Co Ltd
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Filing: 1996-02-05
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Granted: 2000-02-15
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Expires: 2016-02-05
Abstract
Abstract A magnetic indication sheet printing method and a magnetic indication sheet printing apparatus for printing characters and such on a magnetic indication sheet being capable of carrying out an optimum printing process without being affected by the ambient temperature and the temperature of the magnetic indication sheet. The method and the apparatus magnetically indicates characters on the magnetic indication sheet by means of a magnetic field, where the sheet is heated to an appropriate temperature.
Inventors
- 👤 Masamitsu Ozawa
- 👤 Hisashi Masuda
- 👤 Kiyoshi Urushibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:06
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/385; B41J2/43; B43; B43L; B43L1/00; B43L1/008; G; G09; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/375; G09G; G09G3/00; G09G3/001; G09G2320/00; G09G2320/04; G09G2320/041
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
83 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: measuring the temperature of the magnetic indication sheet; subjecting a printing head to driving conditions dependent on the temperature of the magnetic indication sheet; energizing the printing head in accordance with the temperature related driving conditions; generating an electromagnetic field by the printing head that aligns suspended magnetic material in a magnetic indication sheet to form a magnetic image.
Claim 2
Independent Claim
83 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: measuring the temperature of the magnetic indication sheet; subjecting a printing head to driving conditions dependent on the temperature of the magnetic indication sheet; energizing the printing head in accordance with the temperature related driving conditions; generating an electromagnetic field by the printing head that aligns suspended magnetic material in a magnetic indication sheet to form a magnetic image.
Claim 3
Dependent Claim
19 words
The method set forth in claim 1 wherein the driving conditions correspond to a period of printing head energization.
Claim 4
Dependent Claim
23 words
The method set forth in claim 1 wherein the driving conditions correspond to a voltage applied to the printing head during energization thereof.
Claim 5
Independent Claim
99 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: means for measuring temperature of the magnetic indication sheet; control means for setting drive conditions in response to the temperature measured by the temperature measuring means; printing head means for generating an electromagnetic field in accordance with the driving conditions set by the control means; means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 6
Independent Claim
99 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: means for measuring temperature of the magnetic indication sheet; control means for setting drive conditions in response to the temperature measured by the temperature measuring means; printing head means for generating an electromagnetic field in accordance with the driving conditions set by the control means; means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 7
Dependent Claim
22 words
The apparatus set forth in claim 4 wherein the control means develops driving conditions corresponding to a period of printing head energization.
Claim 8
Dependent Claim
23 words
The apparatus set forth in claim 4 wherein the control means develops driving conditions corresponding to energizing voltage applied to the printing head.
Claim 9
Independent Claim
100 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: measuring the temperature of the magnetic indication sheet; heating the magnetic indication sheet when the measured temperature is below a predetermined threshold value; subjecting a printing head to driving conditions when the measured temperature is not below the predetermined threshold value; energizing the printing head in accordance with the driving conditions; and generating an electromagnetic field by the printing head that aligns the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 10
Independent Claim
100 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: measuring the temperature of the magnetic indication sheet; heating the magnetic indication sheet when the measured temperature is below a predetermined threshold value; subjecting a printing head to driving conditions when the measured temperature is not below the predetermined threshold value; energizing the printing head in accordance with the driving conditions; and generating an electromagnetic field by the printing head that aligns the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 11
Dependent Claim
19 words
The method set forth in claim 7 wherein the driving conditions correspond to a period of printing head energization.
Claim 12
Dependent Claim
23 words
The method set forth in claim 7 wherein the driving conditions correspond to a voltage applied to the printing head during energization thereof.
Claim 13
Independent Claim
152 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: means for measuring temperature of the magnetic indication sheet; heating means for selectively heating the magnetic indication sheet; printing head means for generating an electromagnetic field; control means for setting driving conditions in response to the temperature measured by the temperature measuring means; the control means a) energizing the heating means in the event the measured temperature is below a threshold value thereby heating the magnetic indication sheet; and b) actuating the printing head means in accordance with the driving conditions, without energizing the heating means, in the event the measured temperature is above the threshold value; and means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 14
Independent Claim
152 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: means for measuring temperature of the magnetic indication sheet; heating means for selectively heating the magnetic indication sheet; printing head means for generating an electromagnetic field; control means for setting driving conditions in response to the temperature measured by the temperature measuring means; the control means a) energizing the heating means in the event the measured temperature is below a threshold value thereby heating the magnetic indication sheet; and b) actuating the printing head means in accordance with the driving conditions, without energizing the heating means, in the event the measured temperature is above the threshold value; and means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 15
Dependent Claim
22 words
The apparatus set forth in claim 10 wherein the control means develops driving conditions corresponding to a period of printing head energization.
Claim 16
Dependent Claim
26 words
The apparatus set forth in claim 10 wherein the control means develops driving conditions corresponding to a voltage applied to the printing head during energization thereof.
Claim 17
Independent Claim
58 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: heating the magnetic indication sheet; and energizing the printing head to generate an electromagnetic field by the printing head that aligns suspended magnetic material in a magnetic indication sheet to form a magnetic image.
Claim 18
Independent Claim
58 words
A method for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material, the method comprising the steps: heating the magnetic indication sheet; and energizing the printing head to generate an electromagnetic field by the printing head that aligns suspended magnetic material in a magnetic indication sheet to form a magnetic image.
Claim 19
Independent Claim
89 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: heating means for heating the magnetic indication sheet; printing head means for applying an electromagnetic field corresponding to the magnetic image to be printed to the magnetic indication sheet heated by the heating means; and means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 20
Independent Claim
89 words
An apparatus for magnetically printing a magnetic image on a magnetic indication sheet containing microcapsules of suspended magnetic material and comprising: heating means for heating the magnetic indication sheet; printing head means for applying an electromagnetic field corresponding to the magnetic image to be printed to the magnetic indication sheet heated by the heating means; and means for relatively changing a positional relationship between the magnetic indication sheet and the printing head means, to align the suspended magnetic material in the magnetic indication sheet to form the magnetic image.
Claim 21
Dependent Claim
34 words
The apparatus set forth in claim 14 further comprising: means for measuring temperature of the heating means; and means for controlling the temperature of the heating means on the basis of the measured temperature.
Claim 22
Dependent Claim
35 words
The apparatus set forth in claim 14 further comprising: means for measuring temperature of the magnetic indication sheet; and means for controlling the temperature of the heating means on the basis of the measured temperature.
References Cited (Backward Citations)
US4543586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-02-14 | 2003-08-16 | 2004-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-14 | 2007-08-16 | 2008-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-14 | 2011-08-16 | 2012-02-15 | $7700.00 | Window Closed / Lapsed |