NL7011715A - - Google Patents

Info

Publication number: NL7011715A
Authority: NL; Netherlands

Application number

NL7011715A

Priority date (The priority date 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 date listed.)

1969-09-16

Filing date

1970-08-07

Publication date

1971-03-18

1970-08-07 Application filed filed Critical

1971-03-18 Publication of NL7011715A publication Critical patent/NL7011715A/xx

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; CALCULATING OR 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; CALCULATING OR 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
- 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)
Magnetic Record Carriers (AREA)
Credit Cards Or The Like (AREA)

NL7011715A 1969-09-16 1970-08-07 NL7011715A (xx)

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 (xx)	1971-03-18

Family

ID=5745596

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7011715A NL7011715A (xx)	1969-09-16	1970-08-07

Country Status (4)

Country	Link
US (1)	US3683340A (xx)
DE (1)	DE1946760A1 (xx)
FR (1)	FR2061741B1 (xx)
NL (1)	NL7011715A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE28440E (en) *	1971-12-06	1975-06-03		Magneto-optical cylindrical magnetic domain memory
US3806903A (en) *	1971-12-06	1974-04-23	Hughes Aircraft Co	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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL113704C (xx) *	1957-10-30
NL291361A (xx) *	1962-04-16
BE642720A (xx) *	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
FR2061741B1 (xx)	1974-05-17
US3683340A (en)	1972-08-08
DE1946760A1 (de)	1971-03-25
FR2061741A1 (xx)	1971-06-25

Publication	Publication Date	Title
AU2270770A (xx)	1972-06-01
AU465413B2 (xx)	1975-09-11
AU429630B2 (xx)	1972-10-26
AU450150B2 (xx)	1970-11-12
CS150640B2 (xx)	1973-09-04
FR2061741B1 (xx)	1974-05-17
CS152474B2 (xx)	1973-12-19
AU2355770A (xx)	1972-06-22
AU442375B2 (xx)	1973-11-06
AU427401B2 (xx)	1972-08-17
AU428074B2 (xx)	1972-09-11
AU417208B2 (xx)	1971-10-14
AU442535B2 (xx)	1973-11-12
AU425297B2 (xx)	1972-03-26
AU442380B2 (xx)	1973-11-05
AU442538B2 (xx)	1973-11-12
AU442357B2 (xx)	1973-11-07
AU442322B2 (xx)	1973-11-02
AU442285B2 (xx)	1973-11-02
AU442554B2 (xx)	1973-11-13
AU414607B2 (xx)	1971-06-29
AU428129B2 (xx)	1972-09-12
AU438128B2 (xx)	1973-07-16
AU442463B2 (xx)	1973-11-09
AU440587A (xx)	1972-01-06