JPS63145189U - - Google Patents
Info
- Publication number
- JPS63145189U JPS63145189U JP1987036820U JP3682087U JPS63145189U JP S63145189 U JPS63145189 U JP S63145189U JP 1987036820 U JP1987036820 U JP 1987036820U JP 3682087 U JP3682087 U JP 3682087U JP S63145189 U JPS63145189 U JP S63145189U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic cores
- magnetic
- canceling
- detection surface
- optical
- 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 OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measuring Magnetic Variables (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Magnetic Heads (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987036820U JPH0739063Y2 (ja) | 1987-03-13 | 1987-03-13 | 磁気及び光センサ |
EP88103926A EP0286842B1 (en) | 1987-03-13 | 1988-03-11 | Multichannel type head |
DE3851078T DE3851078T2 (de) | 1987-03-13 | 1988-03-11 | Mehrkanalkopf. |
US07/167,841 US4996677A (en) | 1987-03-13 | 1988-03-14 | Multichannel magnetic and optical linear head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987036820U JPH0739063Y2 (ja) | 1987-03-13 | 1987-03-13 | 磁気及び光センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63145189U true JPS63145189U (en, 2012) | 1988-09-26 |
JPH0739063Y2 JPH0739063Y2 (ja) | 1995-09-06 |
Family
ID=12480392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987036820U Expired - Lifetime JPH0739063Y2 (ja) | 1987-03-13 | 1987-03-13 | 磁気及び光センサ |
Country Status (4)
Country | Link |
---|---|
US (1) | US4996677A (en, 2012) |
EP (1) | EP0286842B1 (en, 2012) |
JP (1) | JPH0739063Y2 (en, 2012) |
DE (1) | DE3851078T2 (en, 2012) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3836125A1 (de) * | 1988-10-22 | 1990-05-03 | Thomson Brandt Gmbh | Schaltungsanordnung zur umkehrung eines magnetfeldes |
DE3910880A1 (de) * | 1989-04-04 | 1990-10-11 | Amphenol Tuchel Elect | Kardanische aufhaengung fuer magnetkoepfe |
DE3931828A1 (de) * | 1989-09-23 | 1991-04-04 | Krieg Gunther | Streifencode sowie verfahren und vorrichtung zum lesen eines solchen |
US5617269A (en) * | 1991-12-23 | 1997-04-01 | Conner Peripherals, Inc. | System for recording track-centering servo signals on multi-track magnetic medium |
IT1262892B (it) * | 1992-07-27 | 1996-07-22 | Pilgrim Int Ltd | Dispositivo di lettura/scrittura a testine e struttura che le contiene |
FR2701138A1 (fr) * | 1993-02-04 | 1994-08-05 | Cga Hbs | Ensemble pour l'écriture magnétique d'un message codé de précision sur un document porteur d'une piste d'écriture magnétique. |
US5694139A (en) * | 1994-06-28 | 1997-12-02 | Sony Corporation | Short-distance communication antenna and methods of manufacturing and using the short-distance communication antenna |
GB2335785B (en) * | 1998-03-24 | 2002-09-18 | Quantum Corp | Multi-channel magnetic tape system having optical tracking servo |
FR2779560B1 (fr) * | 1998-06-04 | 2001-01-05 | Dassault Automatismes | Dispositif de traitement de caracteres magnetiques a reduction de bruit magnetique |
US6392401B1 (en) | 1998-06-05 | 2002-05-21 | Chathan M. Cooke | Closely-coupled multiple-winding magnetic induction-type sensor |
US6275349B1 (en) | 1998-12-02 | 2001-08-14 | Storage Technology Corporation | Integrated optical tracking system for magnetic media |
AU2441099A (en) * | 1999-02-16 | 2000-09-04 | Quantum Corporation | Method of writing servo signal on magnetic tape |
FR2956241B1 (fr) * | 2010-02-10 | 2012-08-17 | Ingenico Sa | Dispositif de lecture magnetique |
FR2956240B1 (fr) * | 2010-02-10 | 2012-08-17 | Ingenico Sa | Tete de lecture magnetique |
DE102011110138A1 (de) | 2011-08-15 | 2013-02-21 | Meas Deutschland Gmbh | Messvorrichtung zum Messen magnetischer Eigenschaften der Umgebung der Messvorrichtung |
KR102248007B1 (ko) * | 2013-12-23 | 2021-05-06 | 센젠 푸 잉 이노베이션 테크놀로지 코포레이션 리미티드 | 자기 패턴 디코딩 장치 및 방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689274A (en) * | 1953-04-30 | 1954-09-14 | Rca Corp | Recording on magnetic tape |
US3978523A (en) * | 1969-03-10 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Multi-channel dual-gap magnetic head |
US3959824A (en) * | 1970-11-30 | 1976-05-25 | Tohoku Metal Industries Limited | Two gap read/write head assembly |
FR2187128A5 (en, 2012) * | 1971-12-10 | 1974-01-11 | Balogh Sa Ets | |
US4072994A (en) * | 1974-12-28 | 1978-02-07 | Canon Kabushiki Kaisha | Read-after-write head |
US4056712A (en) * | 1976-06-09 | 1977-11-01 | Addressograph Multigraph Corporation | Wear compensating optical/magnetic transducer |
SU705511A1 (ru) * | 1977-07-21 | 1979-12-25 | Предприятие П/Я А-3759 | Блок ферритовых магнитных головок |
JPS563831A (en) * | 1979-06-22 | 1981-01-16 | Dowa:Kk | Safety device in combustion appliance |
US4420782A (en) * | 1981-06-30 | 1983-12-13 | International Business Machines | Thermal compensation for magnetic head assembly |
EP0163862B1 (en) * | 1984-04-12 | 1990-12-27 | Mitsubishi Denki Kabushiki Kaisha | Magnetic head with stray flux compensation |
-
1987
- 1987-03-13 JP JP1987036820U patent/JPH0739063Y2/ja not_active Expired - Lifetime
-
1988
- 1988-03-11 DE DE3851078T patent/DE3851078T2/de not_active Expired - Fee Related
- 1988-03-11 EP EP88103926A patent/EP0286842B1/en not_active Expired - Lifetime
- 1988-03-14 US US07/167,841 patent/US4996677A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0286842A3 (en) | 1991-10-30 |
US4996677A (en) | 1991-02-26 |
JPH0739063Y2 (ja) | 1995-09-06 |
DE3851078D1 (de) | 1994-09-22 |
DE3851078T2 (de) | 1994-12-01 |
EP0286842A2 (en) | 1988-10-19 |
EP0286842B1 (en) | 1994-08-17 |