JPS6419386A - Display controller - Google Patents

Display controller

Info

Publication number
JPS6419386A
JPS6419386A JP17678187A JP17678187A JPS6419386A JP S6419386 A JPS6419386 A JP S6419386A JP 17678187 A JP17678187 A JP 17678187A JP 17678187 A JP17678187 A JP 17678187A JP S6419386 A JPS6419386 A JP S6419386A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
signal
calling signal
inverse
calling
device
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
Application number
JP17678187A
Inventor
Nobuyuki Iida
Original Assignee
Canon Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

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.
JP17678187A 1987-07-14 1987-07-14 Display controller Pending JPS6419386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17678187A JPS6419386A (en) 1987-07-14 1987-07-14 Display controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17678187A JPS6419386A (en) 1987-07-14 1987-07-14 Display controller

Publications (1)

Publication Number Publication Date
JPS6419386A true true JPS6419386A (en) 1989-01-23

Family

ID=16019728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17678187A Pending JPS6419386A (en) 1987-07-14 1987-07-14 Display controller

Country Status (1)

Country Link
JP (1) JPS6419386A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (20)

* Cited by examiner, † Cited by third party
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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