JPS57209536A - Scroll controller - Google Patents

Scroll controller

Info

Publication number
JPS57209536A
JPS57209536A JP9463681A JP9463681A JPS57209536A JP S57209536 A JPS57209536 A JP S57209536A JP 9463681 A JP9463681 A JP 9463681A JP 9463681 A JP9463681 A JP 9463681A JP S57209536 A JPS57209536 A JP S57209536A
Authority
JP
Japan
Prior art keywords
key
scroll
signal
period
prescribed
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
JP9463681A
Other languages
Japanese (ja)
Inventor
Shigekazu Sumita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9463681A priority Critical patent/JPS57209536A/en
Publication of JPS57209536A publication Critical patent/JPS57209536A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simply execute scroll over an arbitrary page and line, by automatically generating a scroll interruption continuously for a prescribed time over a depressing period of a key exeeding a prescribed time.
CONSTITUTION: In a key operation discriminating circuit, a signal to judge whether or not a key instructing the scroll is operated for a time exceeding the specified set time is obtained. A flip-flop (S-FF)304 receives an output signal of a key operation discriminating circuit and a return signal of the key and becomes a specified state over a period operated in excess of the set time for the key. A scroll interruption generating circuit consists of a scroll shift register 306. In this circuit, count or shift operation is executed according to a key scanning signal with a prescribed period only for a signal output period at the specified state of the S-FF304. Further, the scroll interrupting signal is generated with a prescribed period.
COPYRIGHT: (C)1982,JPO&Japio
JP9463681A 1981-06-19 1981-06-19 Scroll controller Pending JPS57209536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9463681A JPS57209536A (en) 1981-06-19 1981-06-19 Scroll controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9463681A JPS57209536A (en) 1981-06-19 1981-06-19 Scroll controller

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4319946A Division JPH05324255A (en) 1992-11-30 1992-11-30 Scroll control method

Publications (1)

Publication Number Publication Date
JPS57209536A true JPS57209536A (en) 1982-12-22

Family

ID=14115749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9463681A Pending JPS57209536A (en) 1981-06-19 1981-06-19 Scroll controller

Country Status (1)

Country Link
JP (1) JPS57209536A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256871A (en) * 1984-06-01 1985-12-18 Brother Ind Ltd Typewriter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103635A (en) * 1979-02-01 1980-08-08 Toshiba Corp Display unit
JPS5667890A (en) * 1979-11-08 1981-06-08 Tokyo Shibaura Electric Co Cursol control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103635A (en) * 1979-02-01 1980-08-08 Toshiba Corp Display unit
JPS5667890A (en) * 1979-11-08 1981-06-08 Tokyo Shibaura Electric Co Cursol control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256871A (en) * 1984-06-01 1985-12-18 Brother Ind Ltd Typewriter

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