JPS6316319U - - Google Patents
Info
- Publication number
- JPS6316319U JPS6316319U JP10924986U JP10924986U JPS6316319U JP S6316319 U JPS6316319 U JP S6316319U JP 10924986 U JP10924986 U JP 10924986U JP 10924986 U JP10924986 U JP 10924986U JP S6316319 U JPS6316319 U JP S6316319U
- Authority
- JP
- Japan
- Prior art keywords
- program memory
- parts
- circuit board
- electronic device
- signal
- 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
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Description
第１図は電子タイプライタのグレードアツプ前
における平面図、第２図は第１図Ａ―Ａ線の断面
図、第３図はフアンクシヨン表示部を示す断面図
、第４図は上ケースを取外した回路基板の配置状
態を示す平面図、第５図は電子タイプライタの制
御概略を示す電気的ブロツク図、第６図乃至第９
図は作用を示す説明図である。
図中１は電子機器としての電子タイプライタ、
５１は増設される液晶表示装置、５５は増設され
るインパクト力選択スイツチ、５７は増設される
キーボード選択スイツチ、６３は増設される調節
ダイヤル、７７は回路基板の一部を構成するキー
ボード用回路基板、１０７は回路基板の一部を構
成する制御用回路基板、１１３はプログラムメモ
リ保持部としてのＲＯＭソケツト、１１５はグレ
ードアツプ前のＲＯＭ、１６７は増設されるフア
ンクシヨンキーである。
Figure 1 is a plan view of the electronic typewriter before upgrading, Figure 2 is a sectional view taken along line A-A in Figure 1, Figure 3 is a sectional view showing the function display, and Figure 4 is with the upper case removed. FIG. 5 is a plan view showing the layout of the circuit board; FIG. 5 is an electrical block diagram showing the outline of the control of the electronic typewriter; FIGS.
The figure is an explanatory diagram showing the effect. 1 in the figure is an electronic typewriter as an electronic device,
51 is a liquid crystal display device to be added, 55 is an impact force selection switch to be added, 57 is a keyboard selection switch to be added, 63 is an adjustment dial to be added, and 77 is a keyboard circuit board forming a part of the circuit board. , 107 is a control circuit board constituting a part of the circuit board, 113 is a ROM socket as a program memory holding section, 115 is a ROM before upgrading, and 167 is a function key to be added.
Claims (1)
機種とすることが可能な電子機器において、 前記部品用の配線が実装されている回路基板と
、 装着されている部品に接続されている配線の信
号をその電子機器のグレードに対応した意義の信
号として扱う制御プログラムを記憶しているプロ
グラムメモリと、 前記プログラムメモリを着脱可能に保持するプ
ログラムメモリ保持部と、 を備えたことを特徴とする電子機器。[Scope of Claim for Utility Model Registration] Electronic equipment that can be upgraded to a higher grade model by adding or replacing parts, in which wiring for the parts is connected to the circuit board on which it is mounted and the mounted parts. A program memory that stores a control program that handles a signal from a wiring connected to the electronic device as a signal of significance corresponding to the grade of the electronic device; and a program memory holding unit that removably holds the program memory. Featured electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10924986U JPS6316319U (en) | 1986-07-15 | 1986-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10924986U JPS6316319U (en) | 1986-07-15 | 1986-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6316319U true JPS6316319U (en) | 1988-02-03 |
Family
ID=30987177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10924986U Pending JPS6316319U (en) | 1986-07-15 | 1986-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6316319U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710857A (en) * | 1980-06-23 | 1982-01-20 | Mitsubishi Electric Corp | Function extending device of microcomputer peripheral equipment |
| JPS5760243B2 (en) * | 1973-07-02 | 1982-12-18 | Rexnord Inc |
-
1986
- 1986-07-15 JP JP10924986U patent/JPS6316319U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760243B2 (en) * | 1973-07-02 | 1982-12-18 | Rexnord Inc | |
| JPS5710857A (en) * | 1980-06-23 | 1982-01-20 | Mitsubishi Electric Corp | Function extending device of microcomputer peripheral equipment |
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