USB461874I5 - - Google Patents
Info
- Publication number
- USB461874I5 USB461874I5 US46187474A USB461874I5 US B461874 I5 USB461874 I5 US B461874I5 US 46187474 A US46187474 A US 46187474A US B461874 I5 USB461874 I5 US B461874I5
- Authority
- US
- United States
- 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
Classifications
-
- 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
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
- G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/461,874 US3982276A (en) | 1971-10-21 | 1974-04-18 | Method of copying magnetic recordings provided on a magnetizable medium having a greater coercive force before than after recording |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7114533A NL7114533A (show.php) | 1971-10-21 | 1971-10-21 | |
| NL7114533 | 1971-10-21 | ||
| US29771672A | 1972-10-16 | 1972-10-16 | |
| US05/461,874 US3982276A (en) | 1971-10-21 | 1974-04-18 | Method of copying magnetic recordings provided on a magnetizable medium having a greater coercive force before than after recording |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29771672A Continuation | 1971-10-21 | 1972-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB461874I5 true USB461874I5 (show.php) | 1976-01-27 |
| US3982276A US3982276A (en) | 1976-09-21 |
Family
ID=27351720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/461,874 Expired - Lifetime US3982276A (en) | 1971-10-21 | 1974-04-18 | Method of copying magnetic recordings provided on a magnetizable medium having a greater coercive force before than after recording |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US3982276A (show.php) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4245261A (en) * | 1977-11-16 | 1981-01-13 | Allegheny Ludlum Steel Corporation | Digital displacement transducer and method for measurement |
| US4363038A (en) * | 1980-07-14 | 1982-12-07 | Minnesota Mining And Manufacturing Company | Contact duplication system using anisotropic magnetic recording media |
| JPS63177317A (ja) * | 1987-01-19 | 1988-07-21 | Toshiba Corp | 磁気転写方法 |
| US5230818A (en) * | 1991-12-20 | 1993-07-27 | Eastman Kodak Company | Coating compositions for master media for anhysteretic recording |
| US5313237A (en) * | 1993-02-23 | 1994-05-17 | Eastman Kodak Company | Camera apparatus for recording data in a film magnetic recording layer |
| US5981053A (en) * | 1993-10-05 | 1999-11-09 | Sandia Corporation | Tamper resistant magnetic stripes |
| TW342495B (en) | 1996-07-22 | 1998-10-11 | Matsushita Electric Industrial Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
| JP3329259B2 (ja) | 1998-03-20 | 2002-09-30 | 松下電器産業株式会社 | マスター情報担体、および、磁気記録媒体の製造方法 |
| JP3361740B2 (ja) | 1998-03-23 | 2003-01-07 | 松下電器産業株式会社 | マスター情報磁気記録装置及び磁気記録媒体の製造方法 |
| US6714367B1 (en) | 1998-10-29 | 2004-03-30 | Matsushita Electric Industrial Co., Ltd. | Master information medium and method of master information recording |
| US11525739B2 (en) * | 2018-05-08 | 2022-12-13 | Texas Instruments Incorporated | Thermistor die-based thermal probe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2738383A (en) * | 1948-06-21 | 1956-03-13 | Minnesota Mining & Mfg | Method and apparatus for duplicating magnetic recordings and magnetic tape record members |
| GB963102A (en) * | 1962-04-02 | 1964-07-08 | Hitachi Ltd | Improvements relating to the duplication of magnetic recordings |
-
1974
- 1974-04-18 US US05/461,874 patent/US3982276A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3982276A (en) | 1976-09-21 |