JPS62134140U - - Google Patents
Info
- Publication number
- JPS62134140U JPS62134140U JP2175086U JP2175086U JPS62134140U JP S62134140 U JPS62134140 U JP S62134140U JP 2175086 U JP2175086 U JP 2175086U JP 2175086 U JP2175086 U JP 2175086U JP S62134140 U JPS62134140 U JP S62134140U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- key codes
- keyboard
- strobe
- 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
Links
- 230000006386 memory function Effects 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図は、本考案の一実施例、第２図は第１図
中の各信号の信号チヤート図である。
１……キーマトリツクス回路、２……Ｘ番地選
択回路、３……Ｙ番地選択回路、４……キーコー
ド記憶回路、５……発振回路、６……ストローブ
発生回路、７……出力選択回路、８……データセ
ツトパルス発生回路、９，１０……モノマルチ回
路、１１……メモリ開始スイツチ、１２……メモ
リ出力スタートスイツチ、１３……インバータ回
路、１４，１５……ＡＮＤ回路、１６，１７……
ＯＲ回路、１８……ＮＵＬコード設定回路、１９
……入力選択回路、２０……シフトレジスタ回路
、２１，２２……抵抗、２３……データ出力端子
、２４……ストローブ出力端子、Ｄ０……キーコ
ード信号、Ｄ１……入力データ信号、Ｄ２……デ
ータ信号、Ｄ３……出力データ信号、Ｓ０……ス
トローブ信号、Ｓ１……制御信号、Ｓ２……パル
ス信号、Ｓ３……ストローブ信号、Ｓ４……制御
信号、ＳＷ１，ＳＷ２……スイツチ信号、ＳＴＢ
……出力ストローブ信号。
FIG. 1 is an embodiment of the present invention, and FIG. 2 is a signal chart of each signal in FIG. 1. 1... Key matrix circuit, 2... X address selection circuit, 3... Y address selection circuit, 4... Key code storage circuit, 5... Oscillation circuit, 6... Strobe generation circuit, 7... Output selection Circuit, 8... Data set pulse generation circuit, 9, 10... Mono multi circuit, 11... Memory start switch, 12... Memory output start switch, 13... Inverter circuit, 14, 15... AND circuit, 16 ,17...
OR circuit, 18...NUL code setting circuit, 19
...Input selection circuit, 20...Shift register circuit, 21, 22...Resistor, 23...Data output terminal, 24...Strobe output terminal, D0...Key code signal, D1...Input data signal, D2... ...Data signal, D3...Output data signal, S0...Strobe signal, S1...Control signal, S2...Pulse signal, S3...Strobe signal, S4...Control signal, SW1, SW2...Switch signal, STB
...Output strobe signal.
Claims (1)
ードにおいて、押下されたキーのキーコードを複
数個記憶する手段と、記憶したキーコードを入力
された順に出力する手段とを具備して成ることを
特徴とするメモリ機能付きキーボード。 A keyboard that outputs pressed keys as key codes, characterized by comprising means for storing a plurality of key codes for pressed keys, and means for outputting the stored key codes in the order in which they were input. Keyboard with memory function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2175086U JPS62134140U (en) | 1986-02-17 | 1986-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2175086U JPS62134140U (en) | 1986-02-17 | 1986-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62134140U true JPS62134140U (en) | 1987-08-24 |
Family
ID=30818478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2175086U Pending JPS62134140U (en) | 1986-02-17 | 1986-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62134140U (en) |
-
1986
- 1986-02-17 JP JP2175086U patent/JPS62134140U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62134140U (en) | ||
| JPS6238713B2 (en) | ||
| JPS6333191U (en) | ||
| JPH01160537U (en) | ||
| JPS6217822A (en) | Keyboard system | |
| JPH022755U (en) | ||
| JPS6230240Y2 (en) | ||
| JPS6438567U (en) | ||
| JPH0344746U (en) | ||
| JPS6372604U (en) | ||
| JPH01133644U (en) | ||
| JPS62187341U (en) | ||
| JPS60165999U (en) | electronic keyboard instrument | |
| JPH0458743U (en) | ||
| JPH0298399U (en) | ||
| JPH0370645U (en) | ||
| JPH01172148U (en) | ||
| JPH01103890U (en) | ||
| JPS63180894U (en) | ||
| JPH0363256U (en) | ||
| JPS62117638U (en) | ||
| JPH0370644U (en) | ||
| JPS6324651U (en) | ||
| JPS5930195U (en) | Musical note display device for electronic musical instruments | |
| JPS6181348U (en) |