DK139492C - - Google Patents
Info
- Publication number
- DK139492C DK139492C DK688473A DK688473A DK139492C DK 139492 C DK139492 C DK 139492C DK 688473 A DK688473 A DK 688473A DK 688473 A DK688473 A DK 688473A DK 139492 C DK139492 C DK 139492C
- Authority
- DK
- Denmark
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
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/21—Individual registration on entry or exit involving the use of a pass having a variable access code
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Lock And Its Accessories (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Credit Cards Or The Like (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32090573A | 1973-01-04 | 1973-01-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK139492B DK139492B (da) | 1979-02-26 |
| DK139492C true DK139492C (de) | 1979-08-06 |
Family
ID=23248343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK688473AA DK139492B (da) | 1973-01-04 | 1973-12-18 | Elektrisk aktiveret åbne-indretning, som betjenes ved hjælp af magnetisk kodede plader. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3780268A (de) |
| JP (1) | JPS5640755B2 (de) |
| BE (1) | BE808782A (de) |
| CA (1) | CA1014660A (de) |
| CH (1) | CH586435A5 (de) |
| DE (1) | DE2362925C2 (de) |
| DK (1) | DK139492B (de) |
| FR (1) | FR2213541B1 (de) |
| GB (1) | GB1446094A (de) |
| IL (1) | IL43929A (de) |
| IT (1) | IT1000880B (de) |
| NL (1) | NL7317231A (de) |
| SE (1) | SE397595B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004134A (en) * | 1975-06-17 | 1977-01-18 | Rusco Industries, Inc. | Off-line magnetic card reader system operable as though normally on line |
| JPS59102066A (ja) * | 1982-12-03 | 1984-06-12 | 株式会社 マコメ研究所 | 磁気カ−ド照合器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2931953A (en) * | 1954-06-22 | 1960-04-05 | Carroll Conklin | Magnetically controlled lock and switch |
| GB867663A (en) * | 1957-03-13 | 1961-05-10 | Bush And Rank Cintel Ltd | Improvements in or relating to electrical locks |
| US3154761A (en) * | 1961-03-20 | 1964-10-27 | Daniel N Garrett | Security system |
| US3312372A (en) * | 1964-05-28 | 1967-04-04 | Veeder Industries Inc | Secret coded card system |
| US3686479A (en) * | 1971-05-17 | 1972-08-22 | Rusco Ind Inc | Static reader system for magnetic cards |
-
1973
- 1973-01-04 SE SE7316747A patent/SE397595B/xx unknown
- 1973-01-04 US US00320905A patent/US3780268A/en not_active Expired - Lifetime
- 1973-12-10 GB GB5718973A patent/GB1446094A/en not_active Expired
- 1973-12-14 CA CA188,219A patent/CA1014660A/en not_active Expired
- 1973-12-17 NL NL7317231A patent/NL7317231A/xx not_active Application Discontinuation
- 1973-12-18 IT IT3048/73A patent/IT1000880B/it active
- 1973-12-18 DK DK688473AA patent/DK139492B/da unknown
- 1973-12-18 CH CH1781373A patent/CH586435A5/xx not_active IP Right Cessation
- 1973-12-18 FR FR7345310A patent/FR2213541B1/fr not_active Expired
- 1973-12-18 DE DE2362925A patent/DE2362925C2/de not_active Expired
- 1973-12-18 JP JP14042373A patent/JPS5640755B2/ja not_active Expired
- 1973-12-18 BE BE138999A patent/BE808782A/xx not_active IP Right Cessation
- 1973-12-28 IL IL43929A patent/IL43929A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE397595B (sv) | 1977-11-07 |
| US3780268A (en) | 1973-12-18 |
| GB1446094A (en) | 1976-08-11 |
| CH586435A5 (de) | 1977-03-31 |
| JPS5640755B2 (de) | 1981-09-22 |
| IL43929A0 (en) | 1974-03-14 |
| CA1014660A (en) | 1977-07-26 |
| JPS49102499A (de) | 1974-09-27 |
| DE2362925A1 (de) | 1974-07-11 |
| BE808782A (fr) | 1974-04-16 |
| IT1000880B (it) | 1976-04-10 |
| DK139492B (da) | 1979-02-26 |
| NL7317231A (de) | 1974-07-08 |
| IL43929A (en) | 1976-03-31 |
| FR2213541A1 (de) | 1974-08-02 |
| FR2213541B1 (de) | 1975-08-22 |
| AU6355173A (en) | 1975-06-12 |
| DE2362925C2 (de) | 1985-02-07 |