JPH0470647B2 - - Google Patents

Info

Publication number
JPH0470647B2
JPH0470647B2 JP60009701A JP970185A JPH0470647B2 JP H0470647 B2 JPH0470647 B2 JP H0470647B2 JP 60009701 A JP60009701 A JP 60009701A JP 970185 A JP970185 A JP 970185A JP H0470647 B2 JPH0470647 B2 JP H0470647B2
Authority
JP
Japan
Prior art keywords
key
image
state signal
memory
keyboard
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.)
Expired - Lifetime
Application number
JP60009701A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61169926A (ja
Inventor
Jujiro Ito
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.)
Alps Alpine Co Ltd
Original Assignee
Alps 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP60009701A priority Critical patent/JPS61169926A/ja
Publication of JPS61169926A publication Critical patent/JPS61169926A/ja
Publication of JPH0470647B2 publication Critical patent/JPH0470647B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)
JP60009701A 1985-01-22 1985-01-22 キ−ボ−ド入力装置におけるイメ−ジ発生防止方式 Granted JPS61169926A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60009701A JPS61169926A (ja) 1985-01-22 1985-01-22 キ−ボ−ド入力装置におけるイメ−ジ発生防止方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60009701A JPS61169926A (ja) 1985-01-22 1985-01-22 キ−ボ−ド入力装置におけるイメ−ジ発生防止方式

Publications (2)

Publication Number Publication Date
JPS61169926A JPS61169926A (ja) 1986-07-31
JPH0470647B2 true JPH0470647B2 (ko) 1992-11-11

Family

ID=11727533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60009701A Granted JPS61169926A (ja) 1985-01-22 1985-01-22 キ−ボ−ド入力装置におけるイメ−ジ発生防止方式

Country Status (1)

Country Link
JP (1) JPS61169926A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135919A (ja) * 1985-12-10 1987-06-18 Oki Electric Ind Co Ltd キ−ボ−ド装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155725A (ja) * 1984-08-28 1986-03-20 Fujitsu Ltd キ−ボ−ド装置
JPS61143829A (ja) * 1984-12-14 1986-07-01 Canon Inc 入力制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155725A (ja) * 1984-08-28 1986-03-20 Fujitsu Ltd キ−ボ−ド装置
JPS61143829A (ja) * 1984-12-14 1986-07-01 Canon Inc 入力制御装置

Also Published As

Publication number Publication date
JPS61169926A (ja) 1986-07-31

Similar Documents

Publication Publication Date Title
US3792466A (en) Keyboard entry system with n-key rollover and n-key lockout protection
US4922248A (en) Key output method for keyboards
US4591833A (en) Keyboard unit control system using block scanning techniques
US5220323A (en) Keyboard apparatus having ghost key sensing function
US4470038A (en) Shift control system for keyboards
US5526486A (en) Apparatus for detecting undefined states of a finite state machine (FSM) and resetting the FSM upon detection
US4918444A (en) Key-depression data input device
US4821033A (en) Matrix switching apparatus for preventing pseudo input
JPH0470647B2 (ko)
JPS584367B2 (ja) キ−ボ−ド入力装置
US5264845A (en) Key scan circuit and method in a microcomputer system
US4979101A (en) Apparatus for retrieving character strings
US6417787B1 (en) Method and apparatus for increasing the number of keys of a key-matrix
US4031516A (en) Transmission data processing device
JPH0426129B2 (ko)
JPS6362765B2 (ko)
GB2263990A (en) Method for detecting ghost keys
JP3017192B1 (ja) Nキーロールオーバー・キーボードシステム
KR940005435B1 (ko) 키보드의 팬텀 현상 방지방법
JPH0426130B2 (ko)
JP2839304B2 (ja) キーボード装置
JPS61175811A (ja) キ−ボ−ド装置
JPH051486B2 (ko)
JPH05289802A (ja) キーボード走査回路
KR100213285B1 (ko) 키보드의 키 코드 변경 방법