Patent US4912640A successfully refreshed from Google Patents.
US4912640A
Expired / Lapsed
US
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Electronic type memo device
Assignee: Sharp Corp
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Filing: 1984-08-21
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Granted: 1990-03-27
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Expires: 2004-08-21
Abstract
Abstract An electronic type memo device that stores hand-written input data in pairs with index data and read the desired hand-written data by retrieving the index data. This device features extremely simplified operational procedures in executing input, registration, and retrieval of these data and can be operated efficiently. The electronic type memo device includes a hand-written data input unit allowing the entry of the hand-written data; a key input unit containing the index data input allowing the entry of the index data including time, dates, and pages; and memory unit that respectively store the hand-written data fed from the key input unit and the index data in pairs.
Inventors
- 👤 Shinji Tsugei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:17
CPC Classifications
G; G06; G06F; G06F15/00; G06F15/02; G06F15/025; G06F15/0283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
An electronic type memo device comprising: hand-written data input means for entering hand-written data into said device; key data input means for entering index data including date, time and page number into said device, said index data being associated with specific hand-written data; memory means for storing said hand-written data and associated index data in pairs; display means for displaying said hand-written data and associated index data of said pairs simultaneously; and wherein said hand-written data input means includes means for entering all the hand-written data associated with specific index data substantially simultaneously.
Claim 2
Dependent Claim
93 words
An electronic type memo device comprising: hand-written data input means for entering hand-written data into said device; key data input means for entering index data including date, time and page number into said device, said index data being associated with specific hand-written data; memory means for storing said hand-written data and associated index data in pairs; display means for displaying said hand-written data and associated index data of said pairs simultaneously; and wherein said hand-written data input means includes means for entering all the hand-written data associated with specific index data substantially simultaneously.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-26 | 1993-09-25 | 1994-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-26 | 1997-09-25 | 1998-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-26 | 2001-09-25 | 2002-03-27 | $7700.00 | Window Closed / Lapsed |