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JPH0243819A - Keyboard - Google Patents

Keyboard

Info

Publication number
JPH0243819A
JPH0243819A JP63195122A JP19512288A JPH0243819A JP H0243819 A JPH0243819 A JP H0243819A JP 63195122 A JP63195122 A JP 63195122A JP 19512288 A JP19512288 A JP 19512288A JP H0243819 A JPH0243819 A JP H0243819A
Authority
JP
Japan
Prior art keywords
key
switch
sensor
keyboard
projection
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
JP63195122A
Other languages
Japanese (ja)
Inventor
Akihiro Sato
彰洋 佐藤
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP63195122A priority Critical patent/JPH0243819A/en
Publication of JPH0243819A publication Critical patent/JPH0243819A/en
Pending legal-status Critical Current

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  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE:To revise the key arrangement without intervention of software by providing projections provided to the bottom face of key tops with each character engraved, and key switches each with a sensor discriminating the presence of projections. CONSTITUTION:A key switch 1 has plural holes 2, a sensor 3 is fitted to the depth of the hole 2, a projection 5 is fitted to a key top 4 on which a character is engraved, the projection 5 enters the hole 2 when the key is depressed and the sensor 3 judges the presence of the projection 5. Then the key top 4 is removed freely from the key switch 1. When a central processing unit(CPU) provided to a keyboard main body 6 upon the detection of the depression of the key switch 1 reads the state of the sensor 3 in the switch, and decides the key top 4 mounted to the switch depending on the combination, and outputs the information to the outside of the keyboard. Thus, the key arrangement is revised without the intervention of software.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はキーボードに関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a keyboard.

〔従来の技術〕[Conventional technology]

従来のキーボードは、ある決ったキー配列９例えばＧｗ
ｅｒｔｙ配列に固定されていた。Conventional keyboards have a certain key layout9, for example, Gw
It was fixed to the erty array.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上述した従来のキーボードは、キー配置をソフトウェア
の介入なしに変更することができないという欠点があっ
た。The conventional keyboard described above has the disadvantage that the key arrangement cannot be changed without software intervention.

〔課題を解決するための手段〕[Means to solve the problem]

本発明のキーボードは、 （Ａ）文字が刻印されたキートップ、 （Ｂ）前記キートップの底面に設けられた突起、（Ｃ）
前記突起の有無を判別するセンサが取付けられたキース
イッチ、 とを含んで構成される。The keyboard of the present invention includes (A) a key top with characters engraved on it, (B) a protrusion provided on the bottom surface of the key top, (C)
A key switch is provided with a sensor for determining the presence or absence of the protrusion.

〔実施例〕〔Example〕

次に、本発明の実施例について図面を参照して説明する
。Next, embodiments of the present invention will be described with reference to the drawings.

第１図は本発明の一実施例を示す分解斜視図である。FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

第１図に示すキーボードは、キースイッチ１に複数の孔
２があり、孔２の奥にはセンサ３が取付けられている。In the keyboard shown in FIG. 1, a key switch 1 has a plurality of holes 2, and a sensor 3 is attached to the back of each hole 2.

キートップ４には突起５があり、この突起５はキーが押
された時、孔２の中に入り、センサ３によって突起５の
有無が判断される。The key top 4 has a protrusion 5, and when a key is pressed, the protrusion 5 enters the hole 2, and the sensor 3 determines whether or not the protrusion 5 is present.

キースイッチ１はキーボード本体６に固定されており、
キーボード本体６に取付けられたキースイッチ１の数の
パターンの突起５を持つキートップ４を、それぞれのキ
ースイッチ１に取付ける。The key switch 1 is fixed to the keyboard body 6,
Key tops 4 having protrusions 5 in the same number of patterns as the key switches 1 attached to a keyboard body 6 are attached to each key switch 1.

キートップ４はキースイッチ１に取りはずしが自由にで
きる。The key top 4 can be freely removed from the key switch 1.

第２図はキーボード本体６の詳細を示すブロック図であ
る。FIG. 2 is a block diagram showing details of the keyboard body 6. As shown in FIG.

キーボード本体６は中央処理装置（以下ＣＰＵという）
７によって制御される。ＣＰＵ７は各々のキースイッチ
１と、キースイッチ１内のセンサ３と、入出力インター
フェース８を介して接続されている。The keyboard body 6 is a central processing unit (hereinafter referred to as CPU)
Controlled by 7. The CPU 7 is connected to each key switch 1 and the sensor 3 in the key switch 1 via an input/output interface 8.

ＣＰＵ７はキースイッチ１の状態を読み取ることができ
、また選択しであるキースイッチ１内のセンサ３の状態
を読み取ることができる。まなＣＰＵ７は出力バッファ
９を介して外部にデータを出力できる。The CPU 7 can read the state of the key switch 1, and can also read the state of the sensor 3 in the key switch 1 which is selected. Mana CPU 7 can output data to the outside via output buffer 9.

第３図はＣＰＵ７によるキー読取り手順を示すフローチ
ャートである。FIG. 3 is a flowchart showing the key reading procedure by the CPU 7.

ｉ番目のキースイッチ（以下スイッチｉという）が押さ
れたのを検出すると（ステップ５２１）、スイッチｉを
選択しくステップ５２２）　、スイッチｉ内のセンサ３
の状態を読み（ステップ８２３）、その組合わせにより
スイッチｉに取付けられているキートップ４を判定しく
ステップ５２４）、キーボード外部にその情報を出力す
る。（ステップ５２５）。When it is detected that the i-th key switch (hereinafter referred to as switch i) has been pressed (step 521), the sensor 3 in switch i selects switch i (step 522).
(step 823), determines the key top 4 attached to switch i based on the combination (step 524), and outputs the information to the outside of the keyboard. (Step 525).

〔発明の効果〕〔Effect of the invention〕

本発明のキーボードは、キー配置をソフトウェアの介入
なしに変更することができるという効果がある。The keyboard of the present invention has the advantage that the key arrangement can be changed without software intervention.

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

第１図は本発明の一実施例を示す分解斜視図、第２図は
第１図に示すキーボード本体の詳細を示すブロック図、
第３図は本発明の動作を示すフローチャートである。 １・・・・・・キースイッチ、２・・・・・・孔、３・
・・・・・センサ、４・・・・・・キートップ、５・・
・・・・突起、６・・・・・・キーボード本体、７・・
・・・・ＣＰＵ、８・・・・・・入出力インターフェー
ス、９・・・・・・出力バッファ。FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a block diagram showing details of the keyboard body shown in FIG. 1,
FIG. 3 is a flow chart showing the operation of the present invention. 1...key switch, 2...hole, 3.
...Sensor, 4...Key top, 5...
... Protrusion, 6 ... Keyboard body, 7 ...
... CPU, 8 ... input/output interface, 9 ... output buffer.

Claims (1)

【特許請求の範囲】 （Ａ）文字が刻印されたキートップ、 （Ｂ）前記キートップの底面に設けられた突起、 （Ｃ）前記突起の有無を判別するセンサが取付けられた
キースイッチ、 とを含むことを特徴とするキーボード。[Scope of Claims] (A) a key top with characters engraved on it; (B) a protrusion provided on the bottom surface of the key top; (C) a key switch equipped with a sensor that determines the presence or absence of the protrusion. A keyboard comprising:
JP63195122A 1988-08-03 1988-08-03 Keyboard Pending JPH0243819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63195122A JPH0243819A (en) 1988-08-03 1988-08-03 Keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63195122A JPH0243819A (en) 1988-08-03 1988-08-03 Keyboard

Publications (1)

Publication Number Publication Date
JPH0243819A true JPH0243819A (en) 1990-02-14

Family

ID=16335857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63195122A Pending JPH0243819A (en) 1988-08-03 1988-08-03 Keyboard

Country Status (1)

Country Link
JP (1) JPH0243819A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5374140A (en) * 1990-07-03 1994-12-20 Standish; Peter N. Drillable ground support bolt
KR100765693B1 (en) * 2004-12-24 2007-10-11 명성산업 주식회사 Pavement using multi-layer kraft paper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5374140A (en) * 1990-07-03 1994-12-20 Standish; Peter N. Drillable ground support bolt
KR100765693B1 (en) * 2004-12-24 2007-10-11 명성산업 주식회사 Pavement using multi-layer kraft paper

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