JPS61120943U - - Google Patents

Info

Publication number
JPS61120943U
JPS61120943U JP201685U JP201685U JPS61120943U JP S61120943 U JPS61120943 U JP S61120943U JP 201685 U JP201685 U JP 201685U JP 201685 U JP201685 U JP 201685U JP S61120943 U JPS61120943 U JP S61120943U
Authority
JP
Japan
Prior art keywords
key
output data
corresponds
matrices
matrix
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
JP201685U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP201685U priority Critical patent/JPS61120943U/ja
Publication of JPS61120943U publication Critical patent/JPS61120943U/ja
Pending legal-status Critical Current

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  • Input From Keyboards Or The Like (AREA)

Description

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

第１図は本考案の一実施例の回路構成を示すブ
ロツク図、第２図は従来のキーボードに使用され
るキーマトリツクスの一部を示す回路図である。 １はキーボード、２はセレクタ、３は切換機構
、４はキーエンコーダ、ＣＰＵは中央演算処理回
路、Ｍ１・Ｍ２・Ｍ３はキーマトリツクスである
。 FIG. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 2 is a circuit diagram showing part of a key matrix used in a conventional keyboard. 1 is a keyboard, 2 is a selector, 3 is a switching mechanism, 4 is a key encoder, CPU is a central processing circuit, and M 1 , M 2 , and M 3 are key matrices.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] キーボードの各キーに１対１に対応する出力デ
ータを有しその出力データから所定のキヤラクタ
を指定するキーマトリツクスであつて、各キーに
対応する出力データを互いに異にする複数種類の
キーマトリツクスと、これらのキーマトリツクス
の１つを選択的に能動化する切換機構とを備えた
ことを特徴とするキーマトリツクス切換装置。 A key matrix that has output data that corresponds one-to-one to each key on a keyboard and specifies a predetermined character from the output data, and that includes multiple types of key matrices in which the output data that corresponds to each key is different from each other. 1. A key matrix switching device comprising: a key matrix; and a switching mechanism for selectively activating one of these key matrices.
JP201685U 1985-01-10 1985-01-10 Pending JPS61120943U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP201685U JPS61120943U (en) 1985-01-10 1985-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP201685U JPS61120943U (en) 1985-01-10 1985-01-10

Publications (1)

Publication Number Publication Date
JPS61120943U true JPS61120943U (en) 1986-07-30

Family

ID=30475294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP201685U Pending JPS61120943U (en) 1985-01-10 1985-01-10

Country Status (1)

Country Link
JP (1) JPS61120943U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258322A (en) * 1975-11-07 1977-05-13 Fuji Electric Co Ltd Keyboard unit
JPS54136229A (en) * 1978-04-14 1979-10-23 Nec Corp Keyboard

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258322A (en) * 1975-11-07 1977-05-13 Fuji Electric Co Ltd Keyboard unit
JPS54136229A (en) * 1978-04-14 1979-10-23 Nec Corp Keyboard

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