JPS6389155U - - Google Patents
Info
- Publication number
- JPS6389155U JPS6389155U JP18341186U JP18341186U JPS6389155U JP S6389155 U JPS6389155 U JP S6389155U JP 18341186 U JP18341186 U JP 18341186U JP 18341186 U JP18341186 U JP 18341186U JP S6389155 U JPS6389155 U JP S6389155U
- Authority
- JP
- Japan
- Prior art keywords
- mode switching
- key
- terminals
- small electronic
- circuited
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Calculators And Similar Devices (AREA)
- Microcomputers (AREA)
Description
図面はこの考案の一実施例を示したもので、第
１図は小型電子式計算機の分解斜視図、第２図ａ
，ｂは機能が異なる２種の小型電子式計算機の外
観図、第３図ａ，ｂは第２図ａ，ｂの小型電子式
計算機に使用される外装シートの裏面側から見た
斜視図、第４図はＬＳＩチツプにおけるキーコー
ド発生回路図、第５図はキーコードのデータフオ
ーマツト図である。
２０……外装シート、２４……導電部材、３１
……配線基板、３４……固定キー接点、３５……
ＬＳＩチツプ、３６ａ……キー信号入力端子、３
６ｂ……キー信号出力端子、３８ａ，３８ｂ……
モード切換用端子、３９ａ，３９ｂ……モード切
換用接点。
The drawings show one embodiment of this invention; Fig. 1 is an exploded perspective view of a small electronic calculator, and Fig. 2 a
, b is an external view of two types of small electronic calculators with different functions, FIGS. FIG. 4 is a key code generation circuit diagram in an LSI chip, and FIG. 5 is a key code data format diagram. 20... Exterior sheet, 24... Conductive member, 31
...Wiring board, 34...Fixed key contact, 35...
LSI chip, 36a...Key signal input terminal, 3
6b...Key signal output terminal, 38a, 38b...
Mode switching terminals, 39a, 39b...Mode switching contacts.
Claims (1)
数のキー信号入出力端子と複数のモード切換用端
子とを有し前記複数のモード切換用端子間が短絡
されたときと開放されたときとで異なるプログラ
ムを実行する集積回録チツプを、この集積回路チ
ツプの各入出力端子と接続される複数のキー接点
と前記集積回路チツプの各モード切換用端子と個
々に接続され前記プログラムの一方を選択する際
に導電部材により互いに短絡接続される複数のモ
ード切換用接点を設けた配線基板に取付けたこと
を特徴とする小型電子機器。 A small electronic device having a key input section, which has a plurality of key signal input/output terminals and a plurality of mode switching terminals, and has different programs depending on whether the plurality of mode switching terminals are short-circuited or opened. A plurality of key contacts connected to each input/output terminal of the integrated circuit chip and each mode switching terminal of the integrated circuit chip are individually connected to select one of the programs. A small electronic device, characterized in that it is attached to a wiring board provided with a plurality of mode switching contacts that are short-circuited to each other by a conductive member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18341186U JPS6389155U (en) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18341186U JPS6389155U (en) | 1986-11-28 | 1986-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6389155U true JPS6389155U (en) | 1988-06-10 |
Family
ID=31130123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18341186U Pending JPS6389155U (en) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6389155U (en) |
-
1986
- 1986-11-28 JP JP18341186U patent/JPS6389155U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6389155U (en) | ||
| JPS60175327A (en) | keyboard device | |
| JPS59175517A (en) | Membrane keyboard switch | |
| JPS5865723U (en) | push switch | |
| JPS5990155U (en) | Touch switch for small electronic devices | |
| JPS58144728U (en) | push button switch | |
| JPS5965445U (en) | code switch | |
| JPS59144838U (en) | operation button device | |
| JPS5918329U (en) | tatsuchi switch | |
| JPS5860818U (en) | logic circuit switch | |
| JPS60172247U (en) | Operation button device | |
| JPS58160425U (en) | Sequencer latch set/reset mechanism | |
| JPS6057181U (en) | audio rack equipment | |
| JPS59992U (en) | thin digital clock | |
| JPS5980852U (en) | portable small electronic devices | |
| JPS5837629U (en) | pushbutton grounding device | |
| JPS6151551U (en) | ||
| JPS5943027U (en) | Self-recovery push switch | |
| JPS60178931U (en) | switch | |
| JPS59147318U (en) | delay line | |
| JPS59152527U (en) | switch device | |
| JPS6361048U (en) | ||
| JPS6296872U (en) | ||
| JPS58320U (en) | switch mechanism | |
| JPS6123148U (en) | digital switch |