SE467944B - Informationsoeverfoeringssystem med elektromagnetiska vaagor, saerskilt mikrovaagor - Google Patents
Informationsoeverfoeringssystem med elektromagnetiska vaagor, saerskilt mikrovaagorInfo
- Publication number
- SE467944B SE467944B SE9003552A SE9003552A SE467944B SE 467944 B SE467944 B SE 467944B SE 9003552 A SE9003552 A SE 9003552A SE 9003552 A SE9003552 A SE 9003552A SE 467944 B SE467944 B SE 467944B
- Authority
- SE
- Sweden
- Prior art keywords
- communication unit
- wave
- transmitter
- polarization
- information transmission
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 11
- 238000004891 communication Methods 0.000 claims description 28
- 230000010287 polarization Effects 0.000 claims description 19
- 230000010363 phase shift Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
- G01S7/025—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of linearly polarised waves
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
- G08G1/13—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station the indicator being in the form of a map
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Aerials With Secondary Devices (AREA)
- Transmitters (AREA)
- Near-Field Transmission Systems (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9003552A SE467944B (sv) | 1990-11-07 | 1990-11-07 | Informationsoeverfoeringssystem med elektromagnetiska vaagor, saerskilt mikrovaagor |
| EP19910919842 EP0556259A1 (fr) | 1990-11-07 | 1991-11-06 | Systeme de transmission d'informations a l'aide d'ondes electromagnetiques, notamment de micro-ondes |
| PCT/SE1991/000747 WO1992009059A1 (fr) | 1990-11-07 | 1991-11-06 | Systeme de transmission d'informations a l'aide d'ondes electromagnetiques, notamment de micro-ondes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9003552A SE467944B (sv) | 1990-11-07 | 1990-11-07 | Informationsoeverfoeringssystem med elektromagnetiska vaagor, saerskilt mikrovaagor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9003552D0 SE9003552D0 (sv) | 1990-11-07 |
| SE9003552L SE9003552L (sv) | 1992-05-08 |
| SE467944B true SE467944B (sv) | 1992-10-05 |
Family
ID=20380848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9003552A SE467944B (sv) | 1990-11-07 | 1990-11-07 | Informationsoeverfoeringssystem med elektromagnetiska vaagor, saerskilt mikrovaagor |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0556259A1 (fr) |
| SE (1) | SE467944B (fr) |
| WO (1) | WO1992009059A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553166A (en) * | 1947-06-25 | 1951-05-15 | Rca Corp | Multicellular microwave lens |
| US3781879A (en) * | 1972-06-30 | 1973-12-25 | Rca Corp | Harmonic radar detecting and ranging system for automotive vehicles |
| JPS62212898A (ja) * | 1986-03-14 | 1987-09-18 | 住友電気工業株式会社 | 路側ビ−コン方式 |
| JPS63136199A (ja) * | 1986-11-27 | 1988-06-08 | 住友電気工業株式会社 | 路側ビ−コン方式 |
-
1990
- 1990-11-07 SE SE9003552A patent/SE467944B/sv not_active IP Right Cessation
-
1991
- 1991-11-06 WO PCT/SE1991/000747 patent/WO1992009059A1/fr not_active Ceased
- 1991-11-06 EP EP19910919842 patent/EP0556259A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE9003552L (sv) | 1992-05-08 |
| EP0556259A1 (fr) | 1993-08-25 |
| WO1992009059A1 (fr) | 1992-05-29 |
| SE9003552D0 (sv) | 1990-11-07 |
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|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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