CA2615013A1 - Systeme de reconnaissance automatique radiofrequence - Google Patents
Systeme de reconnaissance automatique radiofrequence Download PDFInfo
- Publication number
- CA2615013A1 CA2615013A1 CA002615013A CA2615013A CA2615013A1 CA 2615013 A1 CA2615013 A1 CA 2615013A1 CA 002615013 A CA002615013 A CA 002615013A CA 2615013 A CA2615013 A CA 2615013A CA 2615013 A1 CA2615013 A1 CA 2615013A1
- Authority
- CA
- Canada
- Prior art keywords
- target
- radio frequency
- resonators
- information
- document
- 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.)
- Abandoned
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
-
- 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
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/0672—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with resonating marks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
- G11B23/281—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002191778A CA2191778A1 (fr) | 1994-08-30 | 1996-11-29 | Systeme de reconnaissance automatique radiofrequence |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002191778A Division CA2191778A1 (fr) | 1991-09-24 | 1996-11-29 | Systeme de reconnaissance automatique radiofrequence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2615013A1 true CA2615013A1 (fr) | 1998-05-29 |
Family
ID=39277230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002615013A Abandoned CA2615013A1 (fr) | 1996-11-29 | 1996-11-29 | Systeme de reconnaissance automatique radiofrequence |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2615013A1 (fr) |
-
1996
- 1996-11-29 CA CA002615013A patent/CA2615013A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |