JPS6419386A - Display controller - Google Patents
Display controllerInfo
- Publication number
- JPS6419386A JPS6419386A JP62176781A JP17678187A JPS6419386A JP S6419386 A JPS6419386 A JP S6419386A JP 62176781 A JP62176781 A JP 62176781A JP 17678187 A JP17678187 A JP 17678187A JP S6419386 A JPS6419386 A JP S6419386A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- calling signal
- inverse
- calling
- burning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Digital Computer Display Output (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
PURPOSE: To prevent the occurrence of the burning of a cathod-ray tube and to prolong the service life of the display device by controlling the driving signal output of the device with the calling signal of a telephone line. CONSTITUTION: When a calling signal arrives from the telephone line, a telephone calling signal, the inverse of ci, detecting circuit 1-2 on a facsimile network calling signal, the inverse of FC, detecting circuit 1-1 is activated and a CPU 1-3 is notified of the fact that a calling signal has arrived. The CPU 1-3 discriminates whether the inverse of FC or the inverse of ci signals is a calling signal or not. If it is judged to be a calling signal, a signal DISPDI to a DISP signal controlling circuit 4-1 is made LOW. Thus, a-DISP signal is made effective, a picture is displayed on the device, the burning of the tube is prevented and the display is automatically reopened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176781A JPS6419386A (en) | 1987-07-14 | 1987-07-14 | Display controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176781A JPS6419386A (en) | 1987-07-14 | 1987-07-14 | Display controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6419386A true JPS6419386A (en) | 1989-01-23 |
Family
ID=16019728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62176781A Pending JPS6419386A (en) | 1987-07-14 | 1987-07-14 | Display controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6419386A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535985B1 (en) | 1990-03-23 | 2003-03-18 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6782483B2 (en) | 1990-03-23 | 2004-08-24 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
-
1987
- 1987-07-14 JP JP62176781A patent/JPS6419386A/en active Pending
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535985B1 (en) | 1990-03-23 | 2003-03-18 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6782483B2 (en) | 1990-03-23 | 2004-08-24 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6792552B2 (en) | 1990-03-23 | 2004-09-14 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6795929B2 (en) | 1990-03-23 | 2004-09-21 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6804791B2 (en) | 1990-03-23 | 2004-10-12 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6839855B2 (en) | 1990-03-23 | 2005-01-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6882389B2 (en) | 1990-03-23 | 2005-04-19 | Matsushita Electric Industrial Co., Ltd. | Transflective LCD device with different transmission parts each having a particular transmittance |
US6909483B2 (en) | 1990-03-23 | 2005-06-21 | Matsushita Electric Industrial Co., Ltd. | Transflective LCD device with different transmission parts each having a particular transmittance |
US6941481B2 (en) | 1990-03-23 | 2005-09-06 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6952248B2 (en) | 1990-03-23 | 2005-10-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6952787B2 (en) | 1990-03-23 | 2005-10-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6971037B2 (en) | 1990-03-23 | 2005-11-29 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US6990595B2 (en) | 1990-03-23 | 2006-01-24 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7006181B2 (en) | 1990-03-23 | 2006-02-28 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7024572B2 (en) | 1990-03-23 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7062667B2 (en) | 1990-03-23 | 2006-06-13 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7073084B2 (en) | 1990-03-23 | 2006-07-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7079108B2 (en) | 1990-03-23 | 2006-07-18 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7080272B2 (en) | 1990-03-23 | 2006-07-18 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
US7120809B2 (en) | 1990-03-23 | 2006-10-10 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
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