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US5613103A Expired / Lapsed US ⏱️ 0.0 years remaining

Display control system and method for controlling data based on supply of data

Assignee: Canon Inc
•
Filing: 1993-05-18
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Granted: 1997-03-18
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Expires: 2013-05-18
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Abstract

Abstract A display controller includes a memory for storing data to be displayed on a display, a unit for supplying data to the memory, a first flag group for indicating a line on the display screen of the display corresponding to data supplied by the data supplying unit, a second flag group for indicating a plurality of the first flag groups, a detector for detecting the status of the display, a selector for selecting the first or second flag in accordance with the status of the display detected by the detector, and a display control unit for reading data designated by the first or second flag selected by the selector from the memory, and displaying the data on the display.

Inventors

  • 👤 Toshiyuki Nobutani
  • 👤 Kenzoh Ina
  • 👤 Masami Shimakura
  • 👤 Junichi Tanahashi
  • 👤 Kenichiro Ono
  • 👤 Hajime Morimoto
  • 👤 Tatsuya Sakashita
  • 👤 Eiichi Matsuzaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 02:00
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/36; G09G3/3611; G09G3/3622; G09G3/3629; G09G2310/00; G09G2310/02; G09G2310/0224; G09G2310/0227; G09G2310/04; G09G2320/00; G09G2320/04; G09G2320/041; G09G3/2007; G09G3/2044; G09G3/2051

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 138 words
A display controller comprising: storage means for storing data to be displayed on a display; means for supplying data to said storage means; a first flag group having plural flags for indicating lines on a display screen of the display corresponding to data supplied by said data supplying means; a second flag group having plural flags for indicating a plurality of flags of said first flag group; means for detecting a status of the display; means for selecting one of said first flag group and said second flag group in accordance with the status of the display detected by said detecting means; and display controlling means for reading data designated by one of said first flag group and said second flag group selected by said selecting means from said storage means, and displaying said data on the display.
Claim 2
Dependent Claim 138 words
A display controller comprising: storage means for storing data to be displayed on a display; means for supplying data to said storage means; a first flag group having plural flags for indicating lines on a display screen of the display corresponding to data supplied by said data supplying means; a second flag group having plural flags for indicating a plurality of flags of said first flag group; means for detecting a status of the display; means for selecting one of said first flag group and said second flag group in accordance with the status of the display detected by said detecting means; and display controlling means for reading data designated by one of said first flag group and said second flag group selected by said selecting means from said storage means, and displaying said data on the display.
Claim 3
Dependent Claim 17 words
A display controller according to claim 1, wherein said detecting means detects a temperature of the display.
Claim 4
Dependent Claim 25 words
A display controller according to claim 1, wherein each flag of said first flag group indicates a line of the display screen of the display.
Claim 5
Dependent Claim 27 words
A display controller according to claim 1, wherein said second flag group includes flags indicating a logical sum of two respective flags of said first flag group.
Claim 6
Dependent Claim 20 words
A display controller according to claim 4, wherein said second flag group indicates two consecutive lines of the display screen.
Claim 7
Dependent Claim 121 words
A display controller comprising: changing means for changing a type of data to be displayed in a predetermined size; reading means for reading display data of a first number of consecutive lines of a display screen of a display, the first number being based on the predetermined size, skipping a second number of consecutive lines of the display screen following the first number of read lines, the second number being an integer multiple of the first number, and reading display data of the first number of consecutive lines of the display screen following the second number of skipped lines; and control means for controlling the display screen to display data read by said reading means and changed by said changing means.
Claim 8
Dependent Claim 121 words
A display controller comprising: changing means for changing a type of data to be displayed in a predetermined size; reading means for reading display data of a first number of consecutive lines of a display screen of a display, the first number being based on the predetermined size, skipping a second number of consecutive lines of the display screen following the first number of read lines, the second number being an integer multiple of the first number, and reading display data of the first number of consecutive lines of the display screen following the second number of skipped lines; and control means for controlling the display screen to display data read by said reading means and changed by said changing means.
Claim 9
Dependent Claim 15 words
A display controller according to claim 6, wherein said changing means performs a binarization process.
Claim 10
Dependent Claim 15 words
A display controller according to claim 7, wherein the binarization process comprises a dither process.
Claim 11
Dependent Claim 148 words
A display controller comprising: storage means for storing data to be displayed on a display; data supplying means for supplying data to said storage means; flag means having a plurality of flags each for indicating a different line on a display screen of the display; flag setting means for setting a predetermined value in at least one of the flags of said flag means on the basis of the data supplied by said data supplying means; detecting means for detecting the at least one of the flags in which the predetermined value is set by said flag setting means; and display controlling means for reading data from said storage means and displaying the data read from said storage means on the display, said data corresponding to a predetermined number of lines including at least one line indicated by the at least one flag detected by said detecting means.
Claim 12
Dependent Claim 148 words
A display controller comprising: storage means for storing data to be displayed on a display; data supplying means for supplying data to said storage means; flag means having a plurality of flags each for indicating a different line on a display screen of the display; flag setting means for setting a predetermined value in at least one of the flags of said flag means on the basis of the data supplied by said data supplying means; detecting means for detecting the at least one of the flags in which the predetermined value is set by said flag setting means; and display controlling means for reading data from said storage means and displaying the data read from said storage means on the display, said data corresponding to a predetermined number of lines including at least one line indicated by the at least one flag detected by said detecting means.
Claim 13
Dependent Claim 20 words
A display controller according to claim 9, wherein the predetermined number of lines corresponds to a height of a character.
Claim 14
Dependent Claim 21 words
A display controller according to claim 9, wherein the predetermined number of lines corresponds to a size of a binarization process.
Claim 15
Dependent Claim 134 words
A display control method comprising the steps of: storing data in a storage device to be displayed on a display device; supplying data to the storage device; indicating, with flags of a first flag group, lines on a display screen of the display device corresponding to data supplied in said data supplying step; indicating, with a second flag group, a plurality of flags of the first flag group; detecting a status of the display device; selecting one of the first flag group and the second flag group in accordance with the status of the display device detected in said detecting step; and reading data designated by one of the first flag group and the second flag group selected in said selecting step from the storage device, and displaying the data on the display device.
Claim 16
Dependent Claim 134 words
A display control method comprising the steps of: storing data in a storage device to be displayed on a display device; supplying data to the storage device; indicating, with flags of a first flag group, lines on a display screen of the display device corresponding to data supplied in said data supplying step; indicating, with a second flag group, a plurality of flags of the first flag group; detecting a status of the display device; selecting one of the first flag group and the second flag group in accordance with the status of the display device detected in said detecting step; and reading data designated by one of the first flag group and the second flag group selected in said selecting step from the storage device, and displaying the data on the display device.
Claim 17
Dependent Claim 21 words
A display control method according to claim 12, wherein in said detecting step a temperature of the display device is detected.
Claim 18
Dependent Claim 27 words
A display control method according to claim 12, wherein each flag of the first flag group indicates a line of the display screen of the display device.
Claim 19
Dependent Claim 28 words
A display control method according to claim 12, wherein the second flag group includes flags indicating a logical sum of two respective flags of the first flag group.
Claim 20
Dependent Claim 21 words
A display control method according to claim 15, wherein the second flag group indicates two consecutive lines of the display screen.
Claim 21
Dependent Claim 116 words
A display control method comprising the steps of: changing a type of data to be displayed in a predetermined size; reading display data of a first number of consecutive lines of a display screen of a display, the first number being based on the predetermined size, skipping a second number of consecutive lines of the display screen following the first number of read lines, the second number being an integer multiple of the first number, and reading display data of the first number of consecutive lines of the display screen following the second number of skipped lines; and controlling the display device to display data read in the reading step and changed in the changing step.
Claim 22
Dependent Claim 116 words
A display control method comprising the steps of: changing a type of data to be displayed in a predetermined size; reading display data of a first number of consecutive lines of a display screen of a display, the first number being based on the predetermined size, skipping a second number of consecutive lines of the display screen following the first number of read lines, the second number being an integer multiple of the first number, and reading display data of the first number of consecutive lines of the display screen following the second number of skipped lines; and controlling the display device to display data read in the reading step and changed in the changing step.
Claim 23
Dependent Claim 18 words
A display control method according to claim 17, wherein in said changing step a binarization process is performed.
Claim 24
Dependent Claim 16 words
A display control method according to claim 18, wherein the binarization process comprises a dither process.
Claim 25
Dependent Claim 126 words
A display control method comprising the steps of: storing data in a storage device to be displayed on a display device; supplying data to the storage device; providing a plurality of flags each for indicating a different line on a display screen of the display device; setting a predetermined value in at least one of the flags on the basis of the supplied data; detecting the at least one of the flags in which the predetermined value is set; and reading data from the storage device and displaying the data read from the storage device on the display device, the data corresponding to a predetermined number of lines including the at least one line indicated by the at least one flag detected in said detecting step.
Claim 26
Dependent Claim 126 words
A display control method comprising the steps of: storing data in a storage device to be displayed on a display device; supplying data to the storage device; providing a plurality of flags each for indicating a different line on a display screen of the display device; setting a predetermined value in at least one of the flags on the basis of the supplied data; detecting the at least one of the flags in which the predetermined value is set; and reading data from the storage device and displaying the data read from the storage device on the display device, the data corresponding to a predetermined number of lines including the at least one line indicated by the at least one flag detected in said detecting step.
Claim 27
Dependent Claim 21 words
A display control method according to claim 20, wherein the predetermined number of lines corresponds to a height of a character.
Claim 28
Dependent Claim 22 words
A display control method according to claim 20, wherein the predetermined number of lines corresponds to a size of a binarization process.

References Cited (Backward Citations)

JPS6276357A Cited
US4964699A Cited
US5298913A Cited
US5359344A Cited
EP0368117A2 Cited
EP0462541A2 Cited
US5289173A Cited
US5301269A Cited
EP0537428A2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-03-17 2000-09-16 2001-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-03-17 2004-09-16 2005-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-03-17 2008-09-16 2009-03-18 $7700.00 Window Closed / Lapsed

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