PL75684B1 - - Google Patents
Download PDFInfo
- Publication number
- PL75684B1 PL75684B1 PL1972156172A PL15617272A PL75684B1 PL 75684 B1 PL75684 B1 PL 75684B1 PL 1972156172 A PL1972156172 A PL 1972156172A PL 15617272 A PL15617272 A PL 15617272A PL 75684 B1 PL75684 B1 PL 75684B1
- Authority
- PL
- Poland
- Prior art keywords
- output
- loop
- electric field
- threshold
- magnetic field
- Prior art date
Links
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
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
- B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Near-Field Transmission Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3046371A GB1357753A (en) | 1971-06-29 | 1971-06-29 | Vehicle communications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL75684B1 true PL75684B1 (forum.php) | 1974-12-31 |
Family
ID=10308096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1972156172A PL75684B1 (forum.php) | 1971-06-29 | 1972-06-21 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT325105B (forum.php) |
| AU (1) | AU460338B2 (forum.php) |
| CA (1) | CA948300A (forum.php) |
| CH (1) | CH566233A5 (forum.php) |
| DE (1) | DE2231818A1 (forum.php) |
| FR (1) | FR2143816A1 (forum.php) |
| GB (1) | GB1357753A (forum.php) |
| HU (1) | HU167096B (forum.php) |
| IT (1) | IT956817B (forum.php) |
| PL (1) | PL75684B1 (forum.php) |
| ZA (1) | ZA724340B (forum.php) |
-
1971
- 1971-06-29 GB GB3046371A patent/GB1357753A/en not_active Expired
-
1972
- 1972-06-21 PL PL1972156172A patent/PL75684B1/pl unknown
- 1972-06-22 AU AU43790/72A patent/AU460338B2/en not_active Expired
- 1972-06-23 ZA ZA724340A patent/ZA724340B/xx unknown
- 1972-06-23 IT IT26140/72A patent/IT956817B/it active
- 1972-06-26 CA CA145,648A patent/CA948300A/en not_active Expired
- 1972-06-28 CH CH970572A patent/CH566233A5/xx not_active IP Right Cessation
- 1972-06-28 FR FR7223340A patent/FR2143816A1/fr not_active Withdrawn
- 1972-06-28 HU HUBI447A patent/HU167096B/hu unknown
- 1972-06-29 DE DE2231818A patent/DE2231818A1/de active Pending
- 1972-06-29 AT AT560772A patent/AT325105B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT325105B (de) | 1975-10-10 |
| HU167096B (forum.php) | 1975-08-28 |
| GB1357753A (en) | 1974-06-26 |
| IT956817B (it) | 1973-10-10 |
| AU460338B2 (en) | 1975-04-24 |
| CH566233A5 (forum.php) | 1975-09-15 |
| AU4379072A (en) | 1974-01-03 |
| ZA724340B (en) | 1973-03-28 |
| CA948300A (en) | 1974-05-28 |
| FR2143816A1 (forum.php) | 1973-02-09 |
| DE2231818A1 (de) | 1973-01-11 |
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