CH574139A5 - - Google Patents
Info
- Publication number
- CH574139A5 CH574139A5 CH996774A CH996774A CH574139A5 CH 574139 A5 CH574139 A5 CH 574139A5 CH 996774 A CH996774 A CH 996774A CH 996774 A CH996774 A CH 996774A CH 574139 A5 CH574139 A5 CH 574139A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
- G06K1/125—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by magnetic means
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- 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
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- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4907—Details for scanning
- G11B5/4915—Structure of specially adapted heads
- G11B5/4923—Structure of specially adapted heads in which zones of the transducing part are being physically controllable
- G11B5/493—Control of magnetic properties, e.g. saturation, anisotropy
- G11B5/4938—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films
- G11B5/4946—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films for formation or displacement of magnetic domains, e.g. walls, bubbles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Credit Cards Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH996774A CH574139A5 (enrdf_load_stackoverflow) | 1974-07-19 | 1974-07-19 | |
DE19742440553 DE2440553A1 (de) | 1974-07-19 | 1974-08-21 | Einrichtung zum schreiben und/oder lesen magnetisierbarer kennkarten |
IT2552675A IT1039909B (it) | 1974-07-19 | 1975-07-18 | Dispositivo per scrivere e o legere carte di riconoscimento magnetizzabili |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH996774A CH574139A5 (enrdf_load_stackoverflow) | 1974-07-19 | 1974-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH574139A5 true CH574139A5 (enrdf_load_stackoverflow) | 1976-03-31 |
Family
ID=4357652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH996774A CH574139A5 (enrdf_load_stackoverflow) | 1974-07-19 | 1974-07-19 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH574139A5 (enrdf_load_stackoverflow) |
DE (1) | DE2440553A1 (enrdf_load_stackoverflow) |
IT (1) | IT1039909B (enrdf_load_stackoverflow) |
-
1974
- 1974-07-19 CH CH996774A patent/CH574139A5/xx not_active IP Right Cessation
- 1974-08-21 DE DE19742440553 patent/DE2440553A1/de active Pending
-
1975
- 1975-07-18 IT IT2552675A patent/IT1039909B/it active
Also Published As
Publication number | Publication date |
---|---|
IT1039909B (it) | 1979-12-10 |
DE2440553A1 (de) | 1976-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |