JPS59155631U - keyboard - Google Patents

keyboard

Info

Publication number
JPS59155631U
JPS59155631U JP4977783U JP4977783U JPS59155631U JP S59155631 U JPS59155631 U JP S59155631U JP 4977783 U JP4977783 U JP 4977783U JP 4977783 U JP4977783 U JP 4977783U JP S59155631 U JPS59155631 U JP S59155631U
Authority
JP
Japan
Prior art keywords
keyboard
signal
control signal
keys
generates
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
JP4977783U
Other languages
Japanese (ja)
Inventor
泰男 山口
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 JP4977783U priority Critical patent/JPS59155631U/en
Publication of JPS59155631U publication Critical patent/JPS59155631U/en
Pending legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • 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) [Abstract] 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図は本考案の1実施例のものを制御装置と共に示す
ブ爾ツク図、第2図、第3図はキーを押下したときのタ
イムチャートである。 1・・・・・・キーボード、2・・・・・・制御装置、
11゜12・・・・・・キーマトリックス、13・・・
・・・エンコーダ、14・・・・・・デコーダ、15・
・・・・・ストローブ発生回路、16・・・・・・制御
信号発生回路、17・・・・・・制御信号オン・オフ回
路、18・・・・・・データ信号、19・・・・・・ス
トローブ信号、20・・・・・・制御信号、21・・・
・・・レジスタ、22・・・・・・サンプリング制御回
路、23・・・・・・サンプリング信号、24・・・・
・・マイクロプロセッサシステム。
FIG. 1 is a book diagram showing an embodiment of the present invention together with a control device, and FIGS. 2 and 3 are time charts when a key is pressed. 1...Keyboard, 2...Control device,
11゜12...Key matrix, 13...
...Encoder, 14...Decoder, 15.
... Strobe generation circuit, 16 ... Control signal generation circuit, 17 ... Control signal on/off circuit, 18 ... Data signal, 19 ... ... Strobe signal, 20... Control signal, 21...
...Register, 22...Sampling control circuit, 23...Sampling signal, 24...
...Microprocessor system.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] キーの押下によりデータ信号とストローブ信号を発生す
るキ一群と、前記信号のほか制御信号を発生するキ一群
と、該制御信号をオン・オフする回路とを含むことを特
徴とするキーボード。
A keyboard comprising: a group of keys that generates a data signal and a strobe signal when a key is pressed; a group of keys that generates a control signal in addition to the signals; and a circuit that turns on and off the control signal.
JP4977783U 1983-04-04 1983-04-04 keyboard Pending JPS59155631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4977783U JPS59155631U (en) 1983-04-04 1983-04-04 keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4977783U JPS59155631U (en) 1983-04-04 1983-04-04 keyboard

Publications (1)

Publication Number Publication Date
JPS59155631U true JPS59155631U (en) 1984-10-19

Family

ID=30180263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4977783U Pending JPS59155631U (en) 1983-04-04 1983-04-04 keyboard

Country Status (1)

Country Link
JP (1) JPS59155631U (en)

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