JPS5794845A - Electronic device - Google Patents
Electronic deviceInfo
- Publication number
- JPS5794845A JPS5794845A JP55171294A JP17129480A JPS5794845A JP S5794845 A JPS5794845 A JP S5794845A JP 55171294 A JP55171294 A JP 55171294A JP 17129480 A JP17129480 A JP 17129480A JP S5794845 A JPS5794845 A JP S5794845A
- Authority
- JP
- Japan
- Prior art keywords
- pack
- computer
- substrate
- packaged
- constitution
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
- G06F15/0216—Constructional details or arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Calculators And Similar Devices (AREA)
Abstract
PURPOSE:To reduce the load of an operator, by providing a means that prevents a electrical breakdown of a pack in case the pack is inserted into the main body of a device. CONSTITUTION:A logic substrate 2 is packaged into a pack 1, and an ROM for trigonometric function plus its peripheral electric circuit, for example, are packaged on the substrate 2. A connector 4 is provided in an electric computer to secure electronic connection to the substrate 2 in the pack 1 in case the pack 1 is put into an electronic desk computer. At the same time, a microswitch 3 is provided into the electronic computer to detect ON/OFF of a switch at the position shown by the dotted lines in the diagram and just in front of the inserting port of a connector 4. In such constitution, the pack 1 is completely separated from a signal transmission/reception circuit provided in the desk computer to give no disturbance to the inside of the computer. Furthermore, the power supply to the pack 1 is completely cut off during the insertion of the pack 1 to avoid the breakdown of electric circuits provided in the pack 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55171294A JPS5794845A (en) | 1980-12-03 | 1980-12-03 | Electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55171294A JPS5794845A (en) | 1980-12-03 | 1980-12-03 | Electronic device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5794845A true JPS5794845A (en) | 1982-06-12 |
JPH0225211B2 JPH0225211B2 (en) | 1990-06-01 |
Family
ID=15920629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55171294A Granted JPS5794845A (en) | 1980-12-03 | 1980-12-03 | Electronic device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5794845A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59101098A (en) * | 1982-11-30 | 1984-06-11 | Toshiba Corp | Device for preventing missing of storage information in storage device |
JPS60167049A (en) * | 1984-02-09 | 1985-08-30 | Trio Kenwood Corp | Transfer system for storage data |
JPS6242199U (en) * | 1985-09-03 | 1987-03-13 | ||
JPS62169848U (en) * | 1986-04-17 | 1987-10-28 | ||
JPH01137389A (en) * | 1987-11-25 | 1989-05-30 | Mutoh Ind Ltd | Cassette with built-in ic memory |
JPH0340012A (en) * | 1990-07-12 | 1991-02-20 | Seiko Epson Corp | Connecting system |
JPH03255516A (en) * | 1990-08-24 | 1991-11-14 | Seiko Epson Corp | Connecting system |
JPH06134158A (en) * | 1992-10-23 | 1994-05-17 | Janome Sewing Mach Co Ltd | Sewing machine provided with safety detector for data card |
JPH11110886A (en) * | 1997-10-02 | 1999-04-23 | Nippon Columbia Co Ltd | Disk device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS519351A (en) * | 1974-07-12 | 1976-01-26 | Hitachi Ltd | |
JPS51108519A (en) * | 1975-03-19 | 1976-09-25 | Hitachi Ltd | KATSUSENSOBATSUKANONA PURAGUIN PATSUKEEJI |
-
1980
- 1980-12-03 JP JP55171294A patent/JPS5794845A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS519351A (en) * | 1974-07-12 | 1976-01-26 | Hitachi Ltd | |
JPS51108519A (en) * | 1975-03-19 | 1976-09-25 | Hitachi Ltd | KATSUSENSOBATSUKANONA PURAGUIN PATSUKEEJI |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59101098A (en) * | 1982-11-30 | 1984-06-11 | Toshiba Corp | Device for preventing missing of storage information in storage device |
JPH046986B2 (en) * | 1982-11-30 | 1992-02-07 | Tokyo Shibaura Electric Co | |
JPS60167049A (en) * | 1984-02-09 | 1985-08-30 | Trio Kenwood Corp | Transfer system for storage data |
JPH0218741B2 (en) * | 1984-02-09 | 1990-04-26 | Kenwood Corp | |
JPS6242199U (en) * | 1985-09-03 | 1987-03-13 | ||
JPS62169848U (en) * | 1986-04-17 | 1987-10-28 | ||
JPH01137389A (en) * | 1987-11-25 | 1989-05-30 | Mutoh Ind Ltd | Cassette with built-in ic memory |
JPH0340012A (en) * | 1990-07-12 | 1991-02-20 | Seiko Epson Corp | Connecting system |
JPH03255516A (en) * | 1990-08-24 | 1991-11-14 | Seiko Epson Corp | Connecting system |
JPH06134158A (en) * | 1992-10-23 | 1994-05-17 | Janome Sewing Mach Co Ltd | Sewing machine provided with safety detector for data card |
JPH11110886A (en) * | 1997-10-02 | 1999-04-23 | Nippon Columbia Co Ltd | Disk device |
Also Published As
Publication number | Publication date |
---|---|
JPH0225211B2 (en) | 1990-06-01 |
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