Display control device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 27, 1999
Grant Date -
N/A
app pub date -
Aug 31, 1995
filing date -
Sep 2, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A display control device for displaying data stored in a video memory on a flat display such as an EL or liquid crystal display on the basis of display control signals output from a CRT control device, which comprises a memory means that allows data read and write operations to be executed simultaneously and that has a capacity to store at least one screen of display data for display on the flat display and display control means for alternately executing, in accordance with the display control signals, a first operation in which data corresponding to an upper half of the display screen are retrieved from the data stored in the video memory and sequentially output to an upper region of the display, data corresponding to the upper half of the display screen are sequentially stored in the memory means, and data corresponding to a lower half of the display screen stored in the memory means are sequentially output to a lower region of the display, and a second operation in which data corresponding to the lower half of the display screen are retrieved from the data stored in the video memory and sequentially output to the lower region of the display, data corresponding to the lower half of the display screen are sequentially stored in the memory means, and data corresponding to the upper half of the display screen stored in the memory means are sequentially output to the upper region of the display
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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KABUSHIKI KAISHA KOMATSU SEISAKUSHO | 3-6 AKASAKA 2-CHOME MINATO-KU TOKYO 107 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Takebe, Makoto | Hiratsuka, JP | 12 | 145 |
# of filed Patents : 12 Total Citations : 145 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 9 Citation Count
- G09G Class
- 2.51 % this patent is cited more than
- 26 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Oct 26, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 25, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 25, 2015 |
Sep 25, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
May 08, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 24, 2011 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 25, 2007 | I | Issuance | |
Sep 08, 2005 | P | Published | |
Dec 16, 2004 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIRIYAMA, HIROMITSU;YAMAKAWA, KOICHI;REEL/FRAME:016140/0408 Owner name: JAPAN ATOMIC ENERGY RESEARCH INSTITUTE, JAPAN Effective Date: Dec 16, 2004 |
Aug 27, 2004 | F | Filing | |
Mar 04, 2004 | PD | Priority Date |

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