CH575627A5 - - Google Patents
Info
- Publication number
- CH575627A5 CH575627A5 CH409874A CH409874A CH575627A5 CH 575627 A5 CH575627 A5 CH 575627A5 CH 409874 A CH409874 A CH 409874A CH 409874 A CH409874 A CH 409874A CH 575627 A5 CH575627 A5 CH 575627A5
- Authority
- CH
- Switzerland
Links
Classifications
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- 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
- G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
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- 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
- G06K7/01—Details
- G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Character Input (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Character Discrimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7306419A SE389413B (en) | 1973-05-08 | 1973-05-08 | CONTROL SYSTEM WITH MACHINE-READABLE PERSONAL DOCUMENTS. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH575627A5 true CH575627A5 (en) | 1976-05-14 |
Family
ID=20317394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH409874A CH575627A5 (en) | 1973-05-08 | 1974-03-25 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH575627A5 (en) |
DE (1) | DE2421440B2 (en) |
FR (1) | FR2229099B1 (en) |
GB (1) | GB1463903A (en) |
SE (1) | SE389413B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441218A1 (en) * | 1978-11-10 | 1980-06-06 | Automatisme Cie Gle | Ticket with magnetic coded information - includes permanent and newly recorder random numbers for checking authenticity |
DE2936409A1 (en) * | 1979-09-08 | 1981-03-19 | Hermann 7742 St. Georgen Stockburger | METHOD FOR BACKING UP DATA |
US4663622A (en) * | 1980-06-23 | 1987-05-05 | Light Signatures, Inc. | Non-counterfeitable document system |
EP0155982B1 (en) * | 1980-06-23 | 1991-09-11 | Light Signatures, Inc. | Authenticator device |
DE3038602C2 (en) * | 1980-10-13 | 1986-09-25 | COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen | Method for recognizing the authenticity of a data carrier |
DE3043985A1 (en) * | 1980-11-21 | 1982-06-03 | Hermann 7742 St Georgen Stockburger | METHOD AND DEVICE FOR LABELING AND / OR IDENTIFYING A DATA CARRIER |
GB2199679A (en) * | 1986-10-07 | 1988-07-13 | Mainframe Data Ltd | Apparatus and method for controlling transmission of defects |
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1973
- 1973-05-08 SE SE7306419A patent/SE389413B/en unknown
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1974
- 1974-03-25 CH CH409874A patent/CH575627A5/xx not_active IP Right Cessation
- 1974-04-04 FR FR7411971A patent/FR2229099B1/fr not_active Expired
- 1974-05-03 DE DE19742421440 patent/DE2421440B2/en active Granted
- 1974-05-07 GB GB1999674A patent/GB1463903A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2229099B1 (en) | 1978-01-13 |
SE389413B (en) | 1976-11-01 |
DE2421440A1 (en) | 1974-12-05 |
GB1463903A (en) | 1977-02-09 |
FR2229099A1 (en) | 1974-12-06 |
DE2421440B2 (en) | 1976-07-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |