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JPS5988743U - key input device - Google Patents

key input device

Info

Publication number
JPS5988743U
JPS5988743U JP18450482U JP18450482U JPS5988743U JP S5988743 U JPS5988743 U JP S5988743U JP 18450482 U JP18450482 U JP 18450482U JP 18450482 U JP18450482 U JP 18450482U JP S5988743 U JPS5988743 U JP S5988743U
Authority
JP
Japan
Prior art keywords
input device
key input
key
manpower
operating
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
JP18450482U
Other languages
Japanese (ja)
Inventor
明 加藤
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP18450482U priority Critical patent/JPS5988743U/en
Publication of JPS5988743U publication Critical patent/JPS5988743U/en
Pending legal-status Critical Current

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  • Input From Keyboards Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のキーボード回路図である。第２図は本考
案の一実施例を示す回路構成図である。 １．１１・・・・・・スキャン回路、２．１２・・・・
・・セン１　　ス回路、３〜１５・・・・・・キースイ
ッチ、２０．３０・・・・・・ＯＲゲート、１００，２
００，３００゜４００．１０１，２０１・・・・・・セ
ンスライン、ａ。 ｂ、　　ｃ、　ａａ、　ｂｂ、　ｃｃ・・・・・・スキ
ャンライン、ｄｄ・・・・・・キースイッチ押下出力信
号。FIG. 1 is a conventional keyboard circuit diagram. FIG. 2 is a circuit diagram showing an embodiment of the present invention. 1.11...Scan circuit, 2.12...
...Sense circuit, 3-15...Key switch, 20.30...OR gate, 100,2
00,300°400.101,201...Sense line, a. b, c, aa, bb, cc...Scan line, dd...Key switch press output signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １個のキーを操作することによって出力されるキー人力
信号を夫々独立した複数のセンス信号線に共通に供給す
るようにしたことを特徴とするキー人力装置。1. A key manpower device characterized in that a key manpower signal outputted by operating one key is commonly supplied to a plurality of independent sense signal lines.
JP18450482U 1982-12-06 1982-12-06 key input device Pending JPS5988743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18450482U JPS5988743U (en) 1982-12-06 1982-12-06 key input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18450482U JPS5988743U (en) 1982-12-06 1982-12-06 key input device

Publications (1)

Publication Number Publication Date
JPS5988743U true JPS5988743U (en) 1984-06-15

Family

ID=30399039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18450482U Pending JPS5988743U (en) 1982-12-06 1982-12-06 key input device

Country Status (1)

Country Link
JP (1) JPS5988743U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266327A (en) * 1975-11-29 1977-06-01 Tokyo Electric Co Ltd Key inputting unit
JPS5364422A (en) * 1976-11-22 1978-06-08 Toshiba Corp Key input unit
JPS5771037A (en) * 1980-10-22 1982-05-01 Canon Inc Input equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266327A (en) * 1975-11-29 1977-06-01 Tokyo Electric Co Ltd Key inputting unit
JPS5364422A (en) * 1976-11-22 1978-06-08 Toshiba Corp Key input unit
JPS5771037A (en) * 1980-10-22 1982-05-01 Canon Inc Input equipment

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