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US4632579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing system in dot printer
Assignee: Oki Electric Industry Co Ltd
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Filing: 1985-12-26
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Granted: 1986-12-30
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Expires: 2005-12-26
Abstract
Abstract The present invention relates to a dot printer for printing letters or symbols by aggregated dots, which is characterized in that the second dot matrix pattern is generated from a basic dot matrix pattern by a simple algorithm so that gaps between dots in the basic dot matrix pattern are filled up, the basic dot matrix pattern and the second dot matrix pattern are synthetically edited, and high-grade printed letters are obtained by using the resulting edited dot matrix pattern.
Inventors
- 👤 Hirokuni Takano
- 👤 Tadao Shimizu
- 👤 Osamu Izaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:12
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/10; G06K2215/00; G06K2215/111
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
249 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: generating a basic dot matrix pattern with dots in rows and integer columns; generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern; said step of generating a second dot matrix pattern including the steps of: generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same integer column, only when said generated dot is positioned between and overlaps said two dots in the same integer column; generating a dot of said second dot matrix pattern between each two dots of said basic dot matrix pattern which are positioned in adjacent integer columns and in adjacent rows; generating a dot of said second dot matrix pattern between each three dots of said basic dot matrix pattern which are positioned in three consecutive integer columns and two adjacent rows in a substantially isosceles triangular configuration, such that the generated dot is positioned between and overlaps said three dots; synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; and printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes.
Claim 2
Independent Claim
249 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: generating a basic dot matrix pattern with dots in rows and integer columns; generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern; said step of generating a second dot matrix pattern including the steps of: generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same integer column, only when said generated dot is positioned between and overlaps said two dots in the same integer column; generating a dot of said second dot matrix pattern between each two dots of said basic dot matrix pattern which are positioned in adjacent integer columns and in adjacent rows; generating a dot of said second dot matrix pattern between each three dots of said basic dot matrix pattern which are positioned in three consecutive integer columns and two adjacent rows in a substantially isosceles triangular configuration, such that the generated dot is positioned between and overlaps said three dots; synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; and printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes.
Claim 3
Independent Claim
293 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: generating a basic dot matrix pattern with dots in rows and integer columns; generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern; said step of generating a second dot matrix pattern including the steps of: generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same row, only when said generated dot is positioned between and overlaps said two dots in the same row; generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same integer column, only when said generated dot is positioned between and overlaps said two dots in the same integer column; generating a dot of said second dot matrix pattern between each two dots of said basic dot matrix pattern which are positioned in adjacent integer columns and in adjacent rows; generating a dot of said second dot matrix pattern between each three dots of said basic dot matrix pattern which are positioned in three consecutive integer columns and two adjacent rows in a substantially isosceles triangular configuration, such that the generated dot is positioned between and overlaps said three dots; synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; and printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes.
Claim 4
Independent Claim
293 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: generating a basic dot matrix pattern with dots in rows and integer columns; generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern; said step of generating a second dot matrix pattern including the steps of: generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same row, only when said generated dot is positioned between and overlaps said two dots in the same row; generating a dot of said second dot matrix pattern between each adjacent two dots of said basic dot matrix pattern which are positioned in the same integer column, only when said generated dot is positioned between and overlaps said two dots in the same integer column; generating a dot of said second dot matrix pattern between each two dots of said basic dot matrix pattern which are positioned in adjacent integer columns and in adjacent rows; generating a dot of said second dot matrix pattern between each three dots of said basic dot matrix pattern which are positioned in three consecutive integer columns and two adjacent rows in a substantially isosceles triangular configuration, such that the generated dot is positioned between and overlaps said three dots; synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; and printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes.
Claim 5
Independent Claim
206 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: (a) generating a basic dot matrix pattern with dots in rows and integer columns; (b) generating an auxiliary dot matrix pattern as part of said basic dot matrix pattern corresponding to row and integer column positions where addition of certain interpolated dots are to be inhibited; (c) generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern and corresponding to said interpolated dots; (d) synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; (e) printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes by a printing device; and (f) inhibiting the supply of dots of said second dot matrix pattern in correspondence with said auxiliary dot matrix pattern, when two dots of said second dot matrix pattern are generated in association with dots of said basic dot matrix pattern which are in consecutive rows and consecutive integer columns.
Claim 6
Independent Claim
206 words
A method for printing characters by aggregated dots with a dot printer, comprising the steps of: (a) generating a basic dot matrix pattern with dots in rows and integer columns; (b) generating an auxiliary dot matrix pattern as part of said basic dot matrix pattern corresponding to row and integer column positions where addition of certain interpolated dots are to be inhibited; (c) generating a second dot matrix pattern from the basic dot matrix pattern with all dots of the second dot matrix pattern being between and in overlapping relation to said dots in said integer columns of the basic matrix pattern and corresponding to said interpolated dots; (d) synthesizing and editing dots of said basic dot matrix pattern and said second dot matrix pattern to form a synthesized dot matrix pattern; (e) printing dots of said synthesized dot matrix pattern on a printing medium with at least two printing passes by a printing device; and (f) inhibiting the supply of dots of said second dot matrix pattern in correspondence with said auxiliary dot matrix pattern, when two dots of said second dot matrix pattern are generated in association with dots of said basic dot matrix pattern which are in consecutive rows and consecutive integer columns.
References Cited (Backward Citations)
US4242003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-29 | 1990-06-30 | 1990-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-29 | 1994-06-30 | 1994-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-29 | 1998-06-30 | 1998-12-30 | $7700.00 | Window Closed / Lapsed |