NL7011715A - - Google Patents
Info
- Publication number
- NL7011715A NL7011715A NL7011715A NL7011715A NL7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K19/06187—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 with magnetically detectable marking
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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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/855—Coating only part of a support with a magnetic layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691946760 DE1946760A1 (de) | 1969-09-16 | 1969-09-16 | Magnetischer Informationsspeicher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7011715A true NL7011715A (https=) | 1971-03-18 |
Family
ID=5745596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7011715A NL7011715A (https=) | 1969-09-16 | 1970-08-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3683340A (https=) |
| DE (1) | DE1946760A1 (https=) |
| FR (1) | FR2061741B1 (https=) |
| NL (1) | NL7011715A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806903A (en) * | 1971-12-06 | 1974-04-23 | Hughes Aircraft Co | Magneto-optical cylindrical magnetic domain memory |
| USRE28440E (en) * | 1971-12-06 | 1975-06-03 | Magneto-optical cylindrical magnetic domain memory | |
| US3896292A (en) * | 1973-06-18 | 1975-07-22 | Michael May | Hall effect position coded card detector |
| US5504699A (en) * | 1994-04-08 | 1996-04-02 | Goller; Stuart E. | Nonvolatile magnetic analog memory |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL232741A (https=) * | 1957-10-30 | |||
| NL291361A (https=) * | 1962-04-16 | |||
| BE642720A (https=) * | 1962-06-29 | |||
| GB1097221A (en) * | 1963-10-28 | 1968-01-03 | Plessey Uk Ltd | Improvements in or relating to ticket checking systems |
| GB999496A (en) * | 1964-04-22 | 1965-07-28 | Nickolai Alexandrovich Zykov | Inductive type memory matrix with recording information on shielding punched cards |
| FR1471893A (fr) * | 1965-03-24 | 1967-03-03 | Siemens Ag | Porteur d'informations à exploration galvanomagnétique comportant un organe d'exploration |
| US3490011A (en) * | 1966-08-12 | 1970-01-13 | Texas Instruments Inc | Read-only memory with an adjacent apertured magnetic plate |
| US3430200A (en) * | 1967-06-30 | 1969-02-25 | Walter W Barney | Validator apparatus for magnetic credit cards and the like |
-
1969
- 1969-09-16 DE DE19691946760 patent/DE1946760A1/de active Pending
-
1970
- 1970-08-07 NL NL7011715A patent/NL7011715A/xx unknown
- 1970-09-02 US US69040A patent/US3683340A/en not_active Expired - Lifetime
- 1970-09-15 FR FR7033432A patent/FR2061741B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1946760A1 (de) | 1971-03-25 |
| US3683340A (en) | 1972-08-08 |
| FR2061741A1 (https=) | 1971-06-25 |
| FR2061741B1 (https=) | 1974-05-17 |