ATA113978A - Funksystem fuer sehr kurze elektromagnetische wellen zur ortsselektiven uebertagung ortsspezifischer informationen - Google Patents
Funksystem fuer sehr kurze elektromagnetische wellen zur ortsselektiven uebertagung ortsspezifischer informationenInfo
- Publication number
- ATA113978A ATA113978A AT113978A AT113978A ATA113978A AT A113978 A ATA113978 A AT A113978A AT 113978 A AT113978 A AT 113978A AT 113978 A AT113978 A AT 113978A AT A113978 A ATA113978 A AT A113978A
- Authority
- AT
- Austria
- Prior art keywords
- location
- specific information
- radio system
- selective transmission
- short electromagnetic
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- 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
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Near-Field Transmission Systems (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772707091 DE2707091C3 (de) | 1977-02-18 | 1977-02-18 | Funksystem für sehr kurze elektromagnetische Wellen zur ortsselektiven Übertragung ortsspezifischer Informationen |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA113978A true ATA113978A (de) | 1981-12-15 |
AT367693B AT367693B (de) | 1982-07-26 |
Family
ID=6001616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT113978A AT367693B (de) | 1977-02-18 | 1978-02-16 | Funksystem fuer sehr kurze elektromagnetische wellen zur ortsselektiven uebertagung ortsspezifischer informationen |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT367693B (de) |
CH (1) | CH625651A5 (de) |
DE (1) | DE2707091C3 (de) |
DK (1) | DK73678A (de) |
FI (1) | FI780520A (de) |
FR (1) | FR2381422A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2931084C3 (de) * | 1979-07-31 | 1982-03-11 | Siemens AG, 1000 Berlin und 8000 München | Funksystem |
EP0245251A1 (de) * | 1985-11-08 | 1987-11-19 | LARSEN, Walter Louis | Vorrichtung zur befestigung eines hakens mit einem doppelarmigen element |
FR2833799B1 (fr) * | 2001-12-14 | 2004-03-12 | Thales Sa | Reseau de communication cellulaire couvrant des voies de communication terrestres, telles que des voies de chemin de fer |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB599040A (en) * | 1945-09-12 | 1948-03-03 | Kenneth Alfred Fletcher | Improved means for signalling on railways |
US2144203A (en) * | 1937-09-23 | 1939-01-17 | John P Shanklin | Method for direct indication of position in a given area |
-
1977
- 1977-02-18 DE DE19772707091 patent/DE2707091C3/de not_active Expired
-
1978
- 1978-01-31 CH CH101878A patent/CH625651A5/de not_active IP Right Cessation
- 1978-02-16 AT AT113978A patent/AT367693B/de not_active IP Right Cessation
- 1978-02-16 FI FI780520A patent/FI780520A/fi not_active Application Discontinuation
- 1978-02-17 FR FR7804565A patent/FR2381422A1/fr not_active Withdrawn
- 1978-02-17 DK DK73678A patent/DK73678A/da unknown
Also Published As
Publication number | Publication date |
---|---|
FI780520A (fi) | 1978-08-19 |
FR2381422A1 (fr) | 1978-09-15 |
AT367693B (de) | 1982-07-26 |
DE2707091C3 (de) | 1980-08-14 |
CH625651A5 (en) | 1981-09-30 |
DE2707091A1 (de) | 1978-08-24 |
DE2707091B2 (de) | 1979-12-06 |
DK73678A (da) | 1978-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |