BE772633A - Repondeur pour un systeme destine a la transmission automatiquesans fild'informations a plusieurs bits - Google Patents
Repondeur pour un systeme destine a la transmission automatiquesans fild'informations a plusieurs bitsInfo
- Publication number
- BE772633A BE772633A BE772633A BE772633A BE772633A BE 772633 A BE772633 A BE 772633A BE 772633 A BE772633 A BE 772633A BE 772633 A BE772633 A BE 772633A BE 772633 A BE772633 A BE 772633A
- Authority
- BE
- Belgium
- Prior art keywords
- wireless transmission
- bit information
- answering machine
- system intended
- automatic wireless
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- 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
- G01S13/753—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 frequency selective elements, e.g. resonator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702047153 DE2047153C3 (de) | 1970-09-24 | 1970-09-24 | Antwortgerät für eine Einrichtung zum selbsttätigen drahtlosen Übertragen von mehrstelligen Informationen, insbesondere der Nummern von Eisenbahnfahrzeugen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE772633A true BE772633A (fr) | 1972-01-17 |
Family
ID=5783335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE772633A BE772633A (fr) | 1970-09-24 | 1971-09-15 | Repondeur pour un systeme destine a la transmission automatiquesans fild'informations a plusieurs bits |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE772633A (xx) |
| DE (1) | DE2047153C3 (xx) |
| FR (1) | FR2107931B1 (xx) |
| GB (1) | GB1332574A (xx) |
| IT (1) | IT938792B (xx) |
| LU (1) | LU63941A1 (xx) |
| NL (1) | NL7113031A (xx) |
| SE (1) | SE362839B (xx) |
-
1970
- 1970-09-24 DE DE19702047153 patent/DE2047153C3/de not_active Expired
-
1971
- 1971-09-15 BE BE772633A patent/BE772633A/xx unknown
- 1971-09-22 NL NL7113031A patent/NL7113031A/xx not_active Application Discontinuation
- 1971-09-22 IT IT2891071A patent/IT938792B/it active
- 1971-09-22 LU LU63941D patent/LU63941A1/xx unknown
- 1971-09-23 FR FR7134197A patent/FR2107931B1/fr not_active Expired
- 1971-09-23 SE SE1204671A patent/SE362839B/xx unknown
- 1971-09-24 GB GB4474771A patent/GB1332574A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| LU63941A1 (xx) | 1972-03-01 |
| NL7113031A (xx) | 1972-03-28 |
| FR2107931B1 (xx) | 1975-07-18 |
| SE362839B (xx) | 1973-12-27 |
| DE2047153A1 (de) | 1972-05-25 |
| DE2047153B2 (de) | 1974-12-19 |
| FR2107931A1 (xx) | 1972-05-12 |
| GB1332574A (en) | 1973-10-03 |
| DE2047153C3 (de) | 1975-07-31 |
| IT938792B (it) | 1973-02-10 |
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