NL174880C - Sensor voor een magnetische stip in een kaart. - Google Patents
Sensor voor een magnetische stip in een kaart.Info
- Publication number
- NL174880C NL174880C NLAANVRAGE7206624,A NL7206624A NL174880C NL 174880 C NL174880 C NL 174880C NL 7206624 A NL7206624 A NL 7206624A NL 174880 C NL174880 C NL 174880C
- Authority
- NL
- Netherlands
- Prior art keywords
- card
- sensor
- magnetic dot
- dot
- magnetic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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)
- Geophysics And Detection Of Objects (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14397971A | 1971-05-17 | 1971-05-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7206624A NL7206624A (nl) | 1972-11-21 |
NL174880B NL174880B (nl) | 1984-03-16 |
NL174880C true NL174880C (nl) | 1984-08-16 |
Family
ID=22506534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7206624,A NL174880C (nl) | 1971-05-17 | 1972-05-17 | Sensor voor een magnetische stip in een kaart. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3717749A (nl) |
JP (1) | JPS5529485B1 (nl) |
CA (1) | CA962768A (nl) |
CH (1) | CH557072A (nl) |
DE (1) | DE2223866C3 (nl) |
FR (1) | FR2137953B1 (nl) |
GB (1) | GB1378707A (nl) |
IT (1) | IT961179B (nl) |
NL (1) | NL174880C (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385154A1 (fr) * | 1977-03-25 | 1978-10-20 | Metalimphy | Procede et dispositif d'identification d'etiquettes codees |
US7025265B2 (en) * | 2001-04-10 | 2006-04-11 | Excel Precision Corp. | Information card system |
US8674894B2 (en) * | 2008-07-15 | 2014-03-18 | The Charles Machine Works, Inc. | Antenna design |
US9474465B2 (en) | 2012-06-27 | 2016-10-25 | Ascension Technology Corporation | System and method for magnetic position tracking |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590091A (en) * | 1946-04-03 | 1952-03-25 | Remington Rand Inc | Magnetic process control |
US2559505A (en) * | 1948-02-03 | 1951-07-03 | Rca Corp | Art of making duplicate magnetic phonograph records |
CH405426A (de) * | 1961-12-21 | 1966-01-15 | Ibm | Magnetkopf zum Aufzeichnen und Ablesen von digitalen Signalen |
GB988964A (en) * | 1963-03-15 | 1965-04-14 | Thompson Ramo Wooldridge Inc | Magnetic field detector |
US3521258A (en) * | 1963-06-07 | 1970-07-21 | Westinghouse Electric Corp | Transducer with thin magnetic strip,drive winding and sense winding |
US3419710A (en) * | 1965-04-02 | 1968-12-31 | Mkc Electronics Corp | Magnetic card reader having sequential indicia sensing means |
US3430200A (en) * | 1967-06-30 | 1969-02-25 | Walter W Barney | Validator apparatus for magnetic credit cards and the like |
US3626396A (en) * | 1968-10-03 | 1971-12-07 | Ibm | Thin-film magnetic recording head |
-
1971
- 1971-05-17 US US00143979A patent/US3717749A/en not_active Expired - Lifetime
-
1972
- 1972-05-10 GB GB2170772A patent/GB1378707A/en not_active Expired
- 1972-05-16 DE DE2223866A patent/DE2223866C3/de not_active Expired
- 1972-05-16 CA CA142,265A patent/CA962768A/en not_active Expired
- 1972-05-16 FR FR7217461A patent/FR2137953B1/fr not_active Expired
- 1972-05-17 NL NLAANVRAGE7206624,A patent/NL174880C/nl not_active IP Right Cessation
- 1972-05-17 IT IT24462/72A patent/IT961179B/it active
- 1972-05-17 CH CH734172A patent/CH557072A/xx not_active IP Right Cessation
- 1972-05-17 JP JP4948772A patent/JPS5529485B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3717749A (en) | 1973-02-20 |
DE2223866C3 (de) | 1981-11-05 |
CH557072A (de) | 1974-12-13 |
CA962768A (en) | 1975-02-11 |
NL7206624A (nl) | 1972-11-21 |
NL174880B (nl) | 1984-03-16 |
DE2223866B2 (de) | 1981-02-05 |
GB1378707A (en) | 1974-12-27 |
JPS5529485B1 (nl) | 1980-08-04 |
FR2137953B1 (nl) | 1976-08-13 |
DE2223866A1 (de) | 1972-12-07 |
FR2137953A1 (nl) | 1972-12-29 |
IT961179B (it) | 1973-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: FIGGIE INTERNATIONAL INC. |
|
V1 | Lapsed because of non-payment of the annual fee |