KR900019161U - 자기 카드의 위조 감식장치 및 자기기록 매체 - Google Patents
자기 카드의 위조 감식장치 및 자기기록 매체Info
- Publication number
- KR900019161U KR900019161U KR2019890005517U KR890005517U KR900019161U KR 900019161 U KR900019161 U KR 900019161U KR 2019890005517 U KR2019890005517 U KR 2019890005517U KR 890005517 U KR890005517 U KR 890005517U KR 900019161 U KR900019161 U KR 900019161U
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- recording medium
- identification device
- counterfeit identification
- magnetic recording
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00804—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets
- G11B5/00808—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets magnetic cards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Credit Cards Or The Like (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890005517U KR940004533Y1 (ko) | 1989-04-29 | 1989-04-29 | 자기 카드의 위조 감식장치 및 자기기록 매체 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890005517U KR940004533Y1 (ko) | 1989-04-29 | 1989-04-29 | 자기 카드의 위조 감식장치 및 자기기록 매체 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900019161U true KR900019161U (ko) | 1990-11-08 |
| KR940004533Y1 KR940004533Y1 (ko) | 1994-07-07 |
Family
ID=19285649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019890005517U KR940004533Y1 (ko) | 1989-04-29 | 1989-04-29 | 자기 카드의 위조 감식장치 및 자기기록 매체 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR940004533Y1 (ko) |
-
1989
- 1989-04-29 KR KR2019890005517U patent/KR940004533Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR940004533Y1 (ko) | 1994-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19890429 |
|
| UG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| UA0201 | Request for examination |
Patent event date: 19920310 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19890429 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
| E902 | Notification of reason for refusal | ||
| UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19940118 |
|
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19940613 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19940928 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19941012 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19941012 |
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| UR1001 | Payment of annual fee |
Payment date: 19961230 Start annual number: 4 End annual number: 4 |
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| UR1001 | Payment of annual fee |
Payment date: 19971229 Start annual number: 6 End annual number: 6 Payment date: 19971229 Start annual number: 5 End annual number: 5 |
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| UR1001 | Payment of annual fee |
Payment date: 20000703 Start annual number: 7 End annual number: 7 |
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| UR1001 | Payment of annual fee |
Payment date: 20010531 Start annual number: 8 End annual number: 8 |
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| FPAY | Annual fee payment |
Payment date: 20020628 Year of fee payment: 9 |
|
| UR1001 | Payment of annual fee |
Payment date: 20020628 Start annual number: 9 End annual number: 9 |
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| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |