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US4953225A Expired / Lapsed US ⏱️ 0.0 years remaining

Handwritten character-recognizing apparatus for automatically generating and displaying character frames

Assignee: Sharp Corp
•
Filing: 1988-10-14
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Granted: 1990-08-28
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Expires: 2008-10-14
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Abstract

Abstract A handwritten character-recognizing apparatus having a discriminating device which discriminates whether or not an input device, namely, the pen of a writing/displaying tablet has moved from one character frame to the following character frame. When it is discriminated that the input device has moved to the following character frame, a character frame generating device automatically generates a character frame adjacent to the last character frame of the character frames arranged in a line. Thereby, the reading of handwritten characters and the recognizing of standard characters which are displayed instead of the handwritten characters are facilitated.

Inventors

  • 👤 Fumio Togawa
  • 👤 Hitoshi Hirose

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:12
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/32

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 185 words
A handwritten character-recognizing apparatus comprising: writing/displaying means for writing and displaying character information thereon; input means for writing said character information in one of said plurality of character frames on said writing/displaying means; a central processing unit having discriminating means for discriminating whether said input means has moved from said one character frame to an adjacent character frame; character recognizing means having a plurality of standard characters stored therein for comparing said character information in said one character frame with said plurality of standard characters and displaying one of said standard characters on said writing/displaying means which corresponds with said character information in said one character frame in response to said input means being discriminated to have moved to said adjacent character frame by said discriminating means; and character frame generating means for automatically generating and displaying an additional character frame to said plurality of character frames in a position adjacent to the last character frame of said plurality of character frames in response to said discriminating means discriminating that said input means has moved from the one character frame to said adjacent character frame.
Claim 2
Dependent Claim 185 words
A handwritten character-recognizing apparatus comprising: writing/displaying means for writing and displaying character information thereon; input means for writing said character information in one of said plurality of character frames on said writing/displaying means; a central processing unit having discriminating means for discriminating whether said input means has moved from said one character frame to an adjacent character frame; character recognizing means having a plurality of standard characters stored therein for comparing said character information in said one character frame with said plurality of standard characters and displaying one of said standard characters on said writing/displaying means which corresponds with said character information in said one character frame in response to said input means being discriminated to have moved to said adjacent character frame by said discriminating means; and character frame generating means for automatically generating and displaying an additional character frame to said plurality of character frames in a position adjacent to the last character frame of said plurality of character frames in response to said discriminating means discriminating that said input means has moved from the one character frame to said adjacent character frame.
Claim 3
Dependent Claim 296 words
A handwritten character-recognizing apparatus for automatically generating additional character frames to a plurality of character frames comprising: a pen for inputting handwritten characters; writing/displaying means for displaying said plurality of character frames in which said handwritten characters are inputted with said pen and for sequentially displaying standard characters which correspond to said handwritten characters in said plurality of character frames; character recognizing means for comparing said handwritten characters with said standard characters stored therein and displaying said standard characters which correspond to said handwritten characters on said writing/displaying means; a central processing unit including, detecting means for detecting a position on said written/displaying means which is indicated by said pen, discriminating means for discriminating whether the position indicated with said pen and detected by said detecting means is located in one of said plurality of character frames, character editing means for editing said standard characters displayed in said plurality of character frames if the position indicated with said pen is discriminated to be outside said plurality of character frames by said discriminating means and said standard characters are displayed in said plurality of character frames, and character frame moving means for moving said plurality of character frames to the position indicated by said pen in response to the position indicated with said pen being discriminated to be outside said plurality of character frames by said discriminatory means and said standard characters fail to be displayed in said plurality of character frames; and character frame generating means for automatically generating and displaying said additional character frames to said plurality of character frames adjacent to the last character frame of said plurality of character frames in response to said discriminating means discriminating that said pen has moved from one of said character frames to an adjacent character frame.
Claim 4
Dependent Claim 296 words
A handwritten character-recognizing apparatus for automatically generating additional character frames to a plurality of character frames comprising: a pen for inputting handwritten characters; writing/displaying means for displaying said plurality of character frames in which said handwritten characters are inputted with said pen and for sequentially displaying standard characters which correspond to said handwritten characters in said plurality of character frames; character recognizing means for comparing said handwritten characters with said standard characters stored therein and displaying said standard characters which correspond to said handwritten characters on said writing/displaying means; a central processing unit including, detecting means for detecting a position on said written/displaying means which is indicated by said pen, discriminating means for discriminating whether the position indicated with said pen and detected by said detecting means is located in one of said plurality of character frames, character editing means for editing said standard characters displayed in said plurality of character frames if the position indicated with said pen is discriminated to be outside said plurality of character frames by said discriminating means and said standard characters are displayed in said plurality of character frames, and character frame moving means for moving said plurality of character frames to the position indicated by said pen in response to the position indicated with said pen being discriminated to be outside said plurality of character frames by said discriminatory means and said standard characters fail to be displayed in said plurality of character frames; and character frame generating means for automatically generating and displaying said additional character frames to said plurality of character frames adjacent to the last character frame of said plurality of character frames in response to said discriminating means discriminating that said pen has moved from one of said character frames to an adjacent character frame.
Claim 5
Dependent Claim 76 words
A handwritten character-recognizing apparatus according to claim 1, wherein said input means comprises a pen for writing said character information on said writing/displaying means, an A/D converter for developing a digital signal in response to an analog signal received from said writing/displaying means corresponding to said character information, sampling means for developing sampled data at a constant interval of said digital signal from said A/D converter, and a character pattern buffer for storing said sampled data.
Claim 6
Dependent Claim 30 words
A handwritten character-recognizing apparatus according to claim 1, wherein said writing/displaying means comprises a tablet for writing said character information thereon and an electroluminescence display for displaying said character information.
Claim 7
Dependent Claim 31 words
A handwritten character-recognizing apparatus according to claim 1, wherein said writing/displaying means comprises a tablet for writing said character information thereon and a liquid crystal display for displaying said character information.
Claim 8
Dependent Claim 30 words
A handwritten character-recognizing apparatus according to claim 1, wherein said writing/displaying means comprises a tablet for writing said character information thereon and a CRT display for displaying said character information.
Claim 9
Dependent Claim 62 words
A handwritten character-recognizing apparatus according to claim 2, further comprising an A/D converter for developing a digital signal in response to an analog signal received from said writing/displaying means corresponding to said handwritten characters, sampling means for developing sampled data at a constant interval of said digital signal from said A/D converter, and a character pattern buffer for storing said sampled data.
Claim 10
Dependent Claim 30 words
A handwritten character-recognizing apparatus according to claim 2, wherein said writing/displaying means comprises a tablet for writing said character information thereon and an electroluminescence display for displaying said character information.
Claim 11
Dependent Claim 31 words
A handwritten character-recognizing apparatus according to claim 2, wherein said writing/displaying means comprises a tablet for writing said character information thereon and a liquid crystal display for displaying said character information.
Claim 12
Dependent Claim 30 words
A handwritten character-recognizing apparatus according to claim 2, wherein said writing/displaying means comprises a tablet for writing said character information thereon and a CRT display for displaying said character information.
Claim 13
Independent Claim 156 words
A method for automatically generating additional character frames to a plurality of character frames comprising the steps of: writing character information in one of said plurality of character frames on writing/displaying means; discriminating whether said character information is being written in an adjacent character frame to said one character frame; comparing said character information in said one character frame with a plurality of standard characters when said character information is discriminated to being written in said adjacent character frame; displaying one of said plurality of standard characters on said writing/displaying means which corresponds with said character information in said one character frame when said character information is discriminated to being written in said adjacent character frame; and automatically generating and displaying said additional character frames to said plurality of character frames adjacent to the last character of said plurality of character frames when said character information is discriminated to being written in said adjacent character frame.
Claim 14
Independent Claim 156 words
A method for automatically generating additional character frames to a plurality of character frames comprising the steps of: writing character information in one of said plurality of character frames on writing/displaying means; discriminating whether said character information is being written in an adjacent character frame to said one character frame; comparing said character information in said one character frame with a plurality of standard characters when said character information is discriminated to being written in said adjacent character frame; displaying one of said plurality of standard characters on said writing/displaying means which corresponds with said character information in said one character frame when said character information is discriminated to being written in said adjacent character frame; and automatically generating and displaying said additional character frames to said plurality of character frames adjacent to the last character of said plurality of character frames when said character information is discriminated to being written in said adjacent character frame.

References Cited (Backward Citations)

US4184147A Cited
US4680804A Cited
US4641354A Cited
US4672677A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-08-27 1994-02-26 1994-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-08-27 1998-02-26 1998-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-08-27 2002-02-26 2002-08-28 $7700.00 Window Closed / Lapsed

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