NO743872L - - Google Patents
Info
- Publication number
- NO743872L NO743872L NO743872A NO743872A NO743872L NO 743872 L NO743872 L NO 743872L NO 743872 A NO743872 A NO 743872A NO 743872 A NO743872 A NO 743872A NO 743872 L NO743872 L NO 743872L
- Authority
- NO
- Norway
- Prior art keywords
- signal
- frequency
- station
- interrogation
- code
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 5
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 5
- 238000000926 separation method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
- B61L25/045—Indicating or recording train identities using reradiating tags
-
- 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
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
- G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
- G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7315348A SE380220B (sv) | 1973-11-13 | 1973-11-13 | Informationsoverforingsanleggning for tradlos overforing med en fragestation och ett svarsdon |
Publications (1)
Publication Number | Publication Date |
---|---|
NO743872L true NO743872L (xx) | 1975-06-09 |
Family
ID=20319090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO743872A NO743872L (xx) | 1973-11-13 | 1974-10-28 |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA1037124A (xx) |
DE (1) | DE2453647A1 (xx) |
DK (1) | DK587674A (xx) |
FR (1) | FR2251135A1 (xx) |
NO (1) | NO743872L (xx) |
SE (1) | SE380220B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3009179A1 (de) * | 1980-03-11 | 1981-09-24 | Brown, Boveri & Cie Ag, 6800 Mannheim | Verfahren und vorrichtung zur erzeugung des antwortsignals einer einrichtung zur automatischen indentifizierung von objekten und/oder lebewesen |
ZA829121B (en) * | 1981-12-18 | 1983-09-28 | Senelco Ltd | Transmitter/responder systems |
GB2112607B (en) * | 1981-12-18 | 1986-01-02 | Senelco Ltd | Transmitter/responder systems |
DE3242978A1 (de) * | 1982-11-20 | 1984-05-24 | Diehl GmbH & Co, 8500 Nürnberg | Fernsteuereinrichtung, insbesondere fuer die steuerung von komfort-einwirkungen im sitz-bereich in der kabine von grossraum-verkehrsflugzeugen |
DE3307579A1 (de) * | 1983-03-03 | 1984-11-29 | Jürgen Dipl.-Ing. 8017 Ebersberg Machate | Einrichtung zur kontaktlosen abfrage eines zugehoerigen datentraegers |
US4656463A (en) * | 1983-04-21 | 1987-04-07 | Intelli-Tech Corporation | LIMIS systems, devices and methods |
SE500030C2 (sv) * | 1990-05-14 | 1994-03-21 | Bengt Henoch | Förfarande för att lagra komplicerade produkters livsdata |
-
1973
- 1973-11-13 SE SE7315348A patent/SE380220B/xx unknown
-
1974
- 1974-10-28 NO NO743872A patent/NO743872L/no unknown
- 1974-11-12 CA CA213,537A patent/CA1037124A/en not_active Expired
- 1974-11-12 DE DE19742453647 patent/DE2453647A1/de not_active Withdrawn
- 1974-11-12 DK DK587674A patent/DK587674A/da unknown
- 1974-11-13 FR FR7437382A patent/FR2251135A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2251135B1 (xx) | 1979-05-25 |
SE7315348L (xx) | 1975-05-14 |
DE2453647A1 (de) | 1975-05-15 |
DK587674A (xx) | 1975-07-07 |
SE380220B (sv) | 1975-11-03 |
FR2251135A1 (en) | 1975-06-06 |
CA1037124A (en) | 1978-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1505152A (en) | Transponder system | |
AU764975B2 (en) | Identification system | |
CA1302552C (en) | Track to train communications systems | |
US3964024A (en) | Transponder for an automatic vehicle identification system | |
US5415369A (en) | Railroad in-cab signaling with automatic train stop enforcement utilizing radio frequency digital transmissions | |
KR940020280A (ko) | 차량의 차선을 식별할 수 있는 자동 차량 인식 시스템 및 그 방법 | |
KR970013866A (ko) | 무선 주파수 트랜스폰더와 객체 위치지정 및 식별 시스템(diode modulator for radio frequency transponder) | |
GB1488850A (en) | Electronic identification system | |
AU572321B2 (en) | Identification system | |
US20050207391A1 (en) | Method and modulation control device for wireless data transmission | |
NO743872L (xx) | ||
US5563589A (en) | Remote identification device | |
US3406391A (en) | Vehicle identification system | |
US7342481B2 (en) | Method and circuit arrangement for wireless data transmission | |
EP0056726A1 (en) | Remote identification of animals | |
GB2238210A (en) | Transponder with code identification circuit having a surface acoustic wave device filter | |
US4358765A (en) | Apparatus for producing a single side band | |
US9882559B2 (en) | Wireless proximity sensor with a target device comprising an inverter | |
EP0552828B1 (en) | Tag | |
JP2516338B2 (ja) | 通信装置 | |
GB1373358A (en) | Radar systems | |
US20030073417A1 (en) | Transmitter circuit, article of manufacture, and method of transmitting | |
AU2002258025B2 (en) | Communication between a transponder and an interrogator | |
SU1658189A1 (ru) | Устройство передачи и приема сигналов с подвижных объектов | |
SU1341093A1 (ru) | Устройство считывани информации дл транспортного средства |