Patent US2650025A successfully refreshed from Google Patents.
Patent US5150424A successfully refreshed from Google Patents.
US5150424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
On-line character recognition apparatus
Assignee: Sony Corp
•
Filing: 1990-11-29
•
Granted: 1992-09-22
•
Expires: 2010-11-29
Abstract
Abstract A character recognition apparatus is comprised of an input device for obtaining hand-written informations, a character dictionary memory for storing characteristics of characters and symbols, a character recognition device for determining character or symbol of the hand-written informations in association with characteristics of characters and symbols stored in the character dictionary memory, a group table memory for storing group tables of characters and symbols, a display device for displaying thus recognized character or symbol and associated character or symbols, if the recognized character or symbol is registered in the group table memory and a device connected to the group table memory for changing group tables of the group table memory.
Inventors
- 👤 Masayuki Aguro
- 👤 Hidekazu Tanaka
- 👤 Kimiyoshi Yoshida
- 👤 Akio Sakano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:14
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/19; G06V30/191; G06V30/1914; G06F; G06F18/00; G06F18/20; G06F18/28; G06V30/24; G06V30/242
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
152 words
A character recognition apparatus comprising: a) input means for obtaining hand-written information; b) character dictionary memory means for storing characteristics of characters and symbols; c) character recognition means for determining a first character or symbol from said hand-written information in association with characteristics of characters and symbols stored in said character dictionary memory means; d) group table memory means for storing group tables of characters and symbols, wherein each of the group tables is represented by a nominated character or symbol; e) display means connected to the character recognition means and the group table memory means for displaying the first character or symbol and one of the group tables representing the first character or symbol, if said first character or symbol is one of the nominated characters or symbols; and f) a group changing means connected to said group table memory means for changing group tables of said group table memory means.
Claim 2
Dependent Claim
152 words
A character recognition apparatus comprising: a) input means for obtaining hand-written information; b) character dictionary memory means for storing characteristics of characters and symbols; c) character recognition means for determining a first character or symbol from said hand-written information in association with characteristics of characters and symbols stored in said character dictionary memory means; d) group table memory means for storing group tables of characters and symbols, wherein each of the group tables is represented by a nominated character or symbol; e) display means connected to the character recognition means and the group table memory means for displaying the first character or symbol and one of the group tables representing the first character or symbol, if said first character or symbol is one of the nominated characters or symbols; and f) a group changing means connected to said group table memory means for changing group tables of said group table memory means.
Claim 3
Dependent Claim
25 words
The character recognition apparatus of claim 1, wherein said group changing means includes genre display means for displaying a selected genre of characters or symbols.
Claim 4
Dependent Claim
42 words
The character recognition apparatus of claim 2, wherein said group changing means includes means for adding a character or symbol to one of the group tables by selecting a character or symbol of a selected genre displayed by said genre display means.
Claim 5
Dependent Claim
42 words
The character recognition apparatus of claim 1, wherein said group changing means includes means for deleting a character or symbol from one of the group tables by selecting a displayed one of characters or symbols of said one of the group tables.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-22 | 1996-03-23 | 1996-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-22 | 2000-03-23 | 2000-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-22 | 2004-03-23 | 2004-09-22 | $7700.00 | Window Closed / Lapsed |