JPS6455685A - Terminal equipment for ic card - Google Patents
Terminal equipment for ic cardInfo
- Publication number
- JPS6455685A JPS6455685A JP62212079A JP21207987A JPS6455685A JP S6455685 A JPS6455685 A JP S6455685A JP 62212079 A JP62212079 A JP 62212079A JP 21207987 A JP21207987 A JP 21207987A JP S6455685 A JPS6455685 A JP S6455685A
- Authority
- JP
- Japan
- Prior art keywords
- card
- terminal equipment
- clock
- microcomputer
- battery
- 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
Abstract
PURPOSE:To extend the life of a battery of a terminal equipment of an IC card which is driven by the battery and is portable, by distinguishing between a clock which operates the IC card and a clock which operates a microcomputer in the terminal equipment of the IC card. CONSTITUTION:The terminal equipment consists of a read/write part 2, a clock 3 for an IC card 1, a microcomputer 4 which controls the read/write part 2, a clock for the microcomputer 4, and the driving battery. That is, the clock which operates the IC card and the clock which operates the microcomputer in the terminal equipment of the IC card are distinguished to operate the microcomputer in the terminal equipment of the IC card at a low speed, and therefore, the life of the battery of the terminal equipment of the IC card which is driven by the battery and is portable is extended.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62212079A JPS6455685A (en) | 1987-08-26 | 1987-08-26 | Terminal equipment for ic card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62212079A JPS6455685A (en) | 1987-08-26 | 1987-08-26 | Terminal equipment for ic card |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6455685A true JPS6455685A (en) | 1989-03-02 |
Family
ID=16616519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62212079A Pending JPS6455685A (en) | 1987-08-26 | 1987-08-26 | Terminal equipment for ic card |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6455685A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5229213A (en) * | 1988-11-14 | 1993-07-20 | Shinko Electric Industries Co., Ltd. | Aluminum nitride circuit board |
US5272009A (en) * | 1988-10-21 | 1993-12-21 | Battelle Memorial Institute | Laminate material and its use as heat-sink |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122733A (en) * | 1984-11-19 | 1986-06-10 | Mitsubishi Electric Corp | Microprocessor device |
JPS61177524A (en) * | 1985-02-01 | 1986-08-09 | Omron Tateisi Electronics Co | Intermittent operating circuit |
JPS6219922A (en) * | 1985-07-17 | 1987-01-28 | Canon Inc | Electronic equipment |
JPS62237592A (en) * | 1986-04-08 | 1987-10-17 | Casio Comput Co Ltd | Clock switching system for ic card |
-
1987
- 1987-08-26 JP JP62212079A patent/JPS6455685A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122733A (en) * | 1984-11-19 | 1986-06-10 | Mitsubishi Electric Corp | Microprocessor device |
JPS61177524A (en) * | 1985-02-01 | 1986-08-09 | Omron Tateisi Electronics Co | Intermittent operating circuit |
JPS6219922A (en) * | 1985-07-17 | 1987-01-28 | Canon Inc | Electronic equipment |
JPS62237592A (en) * | 1986-04-08 | 1987-10-17 | Casio Comput Co Ltd | Clock switching system for ic card |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5272009A (en) * | 1988-10-21 | 1993-12-21 | Battelle Memorial Institute | Laminate material and its use as heat-sink |
US5229213A (en) * | 1988-11-14 | 1993-07-20 | Shinko Electric Industries Co., Ltd. | Aluminum nitride circuit board |
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