JPH0554158B2 - - Google Patents
Info
- Publication number
- JPH0554158B2 JPH0554158B2 JP58108539A JP10853983A JPH0554158B2 JP H0554158 B2 JPH0554158 B2 JP H0554158B2 JP 58108539 A JP58108539 A JP 58108539A JP 10853983 A JP10853983 A JP 10853983A JP H0554158 B2 JPH0554158 B2 JP H0554158B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- card
- memory
- memory area
- eeprom
- 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.)
- Expired - Lifetime
Links
- 230000015654 memory Effects 0.000 claims description 54
- 238000013500 data storage Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 238000013523 data management Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58108539A JPS603081A (ja) | 1983-06-18 | 1983-06-18 | Icカ−ド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58108539A JPS603081A (ja) | 1983-06-18 | 1983-06-18 | Icカ−ド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS603081A JPS603081A (ja) | 1985-01-09 |
JPH0554158B2 true JPH0554158B2 (fr) | 1993-08-11 |
Family
ID=14487375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58108539A Granted JPS603081A (ja) | 1983-06-18 | 1983-06-18 | Icカ−ド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS603081A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2666182B2 (ja) * | 1986-04-07 | 1997-10-22 | 日本電信電話株式会社 | Icカード |
JP2515741B2 (ja) * | 1986-05-28 | 1996-07-10 | 株式会社日立製作所 | カ―ド形記憶装置 |
US5303198A (en) * | 1990-09-28 | 1994-04-12 | Fuji Photo Film Co., Ltd. | Method of recording data in memory card having EEPROM and memory card system using the same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5318930A (en) * | 1976-08-06 | 1978-02-21 | Hitachi Ltd | Memory unit control system |
JPS5446447A (en) * | 1977-08-26 | 1979-04-12 | Cii | Portable data carrier for storing and processing data |
JPS5475938A (en) * | 1977-11-30 | 1979-06-18 | Fujitsu Ltd | Data processor of multiplex artificial memory system |
JPS5638650A (en) * | 1979-04-25 | 1981-04-13 | Cii | Data delete device |
JPS5720841A (en) * | 1980-07-15 | 1982-02-03 | Ricoh Co Ltd | Memory controlling circuit |
JPS57132256A (en) * | 1981-02-09 | 1982-08-16 | Sony Corp | Memory device |
JPS57143794A (en) * | 1981-03-03 | 1982-09-06 | Fanuc Ltd | Memory device |
-
1983
- 1983-06-18 JP JP58108539A patent/JPS603081A/ja active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5318930A (en) * | 1976-08-06 | 1978-02-21 | Hitachi Ltd | Memory unit control system |
JPS5446447A (en) * | 1977-08-26 | 1979-04-12 | Cii | Portable data carrier for storing and processing data |
JPS5475938A (en) * | 1977-11-30 | 1979-06-18 | Fujitsu Ltd | Data processor of multiplex artificial memory system |
JPS5638650A (en) * | 1979-04-25 | 1981-04-13 | Cii | Data delete device |
JPS5720841A (en) * | 1980-07-15 | 1982-02-03 | Ricoh Co Ltd | Memory controlling circuit |
JPS57132256A (en) * | 1981-02-09 | 1982-08-16 | Sony Corp | Memory device |
JPS57143794A (en) * | 1981-03-03 | 1982-09-06 | Fanuc Ltd | Memory device |
Also Published As
Publication number | Publication date |
---|---|
JPS603081A (ja) | 1985-01-09 |
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