GB1436711A - Magnetic encoding devices - Google Patents
Magnetic encoding devicesInfo
- Publication number
- GB1436711A GB1436711A GB653873A GB653873A GB1436711A GB 1436711 A GB1436711 A GB 1436711A GB 653873 A GB653873 A GB 653873A GB 653873 A GB653873 A GB 653873A GB 1436711 A GB1436711 A GB 1436711A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slotted
- magnetic encoding
- encoding devices
- brass
- plural
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B11/00—Apparatus for validating or cancelling issued tickets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Ticket-Dispensing Machines (AREA)
Abstract
1436711 Permanent magnets; magnetizing LONDON TRANSPORT EXECUTIVE 27 March 1974 [9 Feb 1973] 6538/73 Heading H1P A magnetic encoding roller for ticket issuing machines comprises a brass body 2 slotted at 3 to accommodate a steel keeper 4 having plural axial slots in the peripheral surface; into which plural separate radial magnetic code plates 5 may be inserted at each end retained by a slotted brass locating segment 6. Specification 1,436,712 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB653873A GB1436711A (en) | 1973-02-09 | 1973-02-09 | Magnetic encoding devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB653873A GB1436711A (en) | 1973-02-09 | 1973-02-09 | Magnetic encoding devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1436711A true GB1436711A (en) | 1976-05-26 |
Family
ID=9816330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB653873A Expired GB1436711A (en) | 1973-02-09 | 1973-02-09 | Magnetic encoding devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1436711A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987003418A1 (en) * | 1985-11-22 | 1987-06-04 | Zahnradfabrik Friedrichshafen Ag | Permanent-magnetic foil |
EP0237950A1 (en) * | 1986-03-18 | 1987-09-23 | Knogo Corporation | Method and apparatus for deactivating targets used in electromagnetic type article surveillance systems |
EP0722147A2 (en) * | 1995-01-10 | 1996-07-17 | Eastman Kodak Company | Very high field micro magnetic roller and method of making same |
GB2322477A (en) * | 1997-02-19 | 1998-08-26 | Portals Ltd | Magnetising system for security labels |
-
1973
- 1973-02-09 GB GB653873A patent/GB1436711A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987003418A1 (en) * | 1985-11-22 | 1987-06-04 | Zahnradfabrik Friedrichshafen Ag | Permanent-magnetic foil |
EP0237950A1 (en) * | 1986-03-18 | 1987-09-23 | Knogo Corporation | Method and apparatus for deactivating targets used in electromagnetic type article surveillance systems |
EP0722147A2 (en) * | 1995-01-10 | 1996-07-17 | Eastman Kodak Company | Very high field micro magnetic roller and method of making same |
EP0722147A3 (en) * | 1995-01-10 | 2000-11-15 | Eastman Kodak Company | Very high field micro magnetic roller and method of making same |
GB2322477A (en) * | 1997-02-19 | 1998-08-26 | Portals Ltd | Magnetising system for security labels |
GB2322477B (en) * | 1997-02-19 | 1999-01-13 | Portals Ltd | Magnetising system for security threads and security method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |