JPH01100226U - - Google Patents
Info
- Publication number
- JPH01100226U JPH01100226U JP19567487U JP19567487U JPH01100226U JP H01100226 U JPH01100226 U JP H01100226U JP 19567487 U JP19567487 U JP 19567487U JP 19567487 U JP19567487 U JP 19567487U JP H01100226 U JPH01100226 U JP H01100226U
- Authority
- JP
- Japan
- Prior art keywords
- keyboard
- clock
- host device
- stall
- restarts
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
- Debugging And Monitoring (AREA)
Description
第１図は本考案の一実施例に係るストール防止
キーボードの全体構成を示すブロツク図、第２図
は本実施例のキーボードのフアームウエアのフロ
ーチヤートを示す図である。
２：キーボードコントローラ、３：キーボード
インタフエース、７：キーボードクロツク出力フ
アームウエア。
FIG. 1 is a block diagram showing the overall structure of a stall prevention keyboard according to an embodiment of the present invention, and FIG. 2 is a flowchart of the firmware of the keyboard of this embodiment. 2: Keyboard controller, 3: Keyboard interface, 7: Keyboard clock output firmware.
Claims (1)
内に搭載され、キーボードが正常に動作すること
を示すキーボードクロツクを出力するキーボード
クロツク出力フアームウエアと、上記キーボード
クロツクをキーボードの上位装置に送るキーボー
ドインターフエースを具備し、前記キーボードク
ロツクの停止でキーボードのストールを検出した
上位装置からのリセツト信号によつて再起動する
ことを特徴としたストール防止キーボード。 It is installed in the microcomputer that controls the keyboard, and includes keyboard clock output firmware that outputs a keyboard clock indicating that the keyboard is operating normally, and a keyboard interface that sends the keyboard clock to the host device of the keyboard. The stall prevention keyboard is characterized in that the keyboard restarts in response to a reset signal from a host device that detects a keyboard stall when the keyboard clock stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19567487U JPH054031Y2 (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19567487U JPH054031Y2 (en) | 1987-12-25 | 1987-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01100226U true JPH01100226U (en) | 1989-07-05 |
| JPH054031Y2 JPH054031Y2 (en) | 1993-02-01 |
Family
ID=31486339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19567487U Expired - Lifetime JPH054031Y2 (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054031Y2 (en) |
-
1987
- 1987-12-25 JP JP19567487U patent/JPH054031Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054031Y2 (en) | 1993-02-01 |