FR2317665B1 - - Google Patents
Info
- Publication number
- FR2317665B1 FR2317665B1 FR7620286A FR7620286A FR2317665B1 FR 2317665 B1 FR2317665 B1 FR 2317665B1 FR 7620286 A FR7620286 A FR 7620286A FR 7620286 A FR7620286 A FR 7620286A FR 2317665 B1 FR2317665 B1 FR 2317665B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- B61L25/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2531148A DE2531148C3 (de) | 1975-07-11 | 1975-07-11 | Antwortgerät mit schaltbaren Leitungsresonatoren für ein periodisch frequenzveränderndes drahtloses Abfrage/Antwort-Informationsübertragungssystem, insbes. für Eisenbahn-Triebfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2317665A1 FR2317665A1 (fr) | 1977-02-04 |
FR2317665B1 true FR2317665B1 (fr) | 1981-11-27 |
Family
ID=5951329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7620286A Granted FR2317665A1 (fr) | 1975-07-11 | 1976-07-02 | Appareil repondeur pour un systeme de transmission automatique sans fil d'informations a plusieurs chiffres |
Country Status (14)
Country | Link |
---|---|
US (1) | US4070672A (fr) |
AT (1) | AT359125B (fr) |
BE (1) | BE843980A (fr) |
CA (1) | CA1065027A (fr) |
CH (1) | CH601809A5 (fr) |
DE (1) | DE2531148C3 (fr) |
DK (1) | DK253576A (fr) |
FR (1) | FR2317665A1 (fr) |
GB (1) | GB1551323A (fr) |
LU (1) | LU75358A1 (fr) |
NL (1) | NL7607667A (fr) |
PL (1) | PL112006B1 (fr) |
SE (1) | SE413590B (fr) |
ZA (1) | ZA763418B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3212876A1 (de) * | 1982-04-06 | 1983-10-06 | Siemens Ag | Antwortgeraet mit schaltbaren leitungsresonatoren fuer ein abfrage/antwort-informationsuebertragungssystem, insbesondere fuer eisenbahn-triebfahrzeuge |
US5701121A (en) * | 1988-04-11 | 1997-12-23 | Uniscan Ltd. | Transducer and interrogator device |
US5204681A (en) * | 1991-09-24 | 1993-04-20 | Gordian Holding Corporation | Radio frequency automatic identification system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE317703B (fr) * | 1965-02-18 | 1969-11-24 | Philips Svenska Ab | |
US3299424A (en) * | 1965-05-07 | 1967-01-17 | Jorgen P Vinding | Interrogator-responder identification system |
-
1975
- 1975-07-11 DE DE2531148A patent/DE2531148C3/de not_active Expired
-
1976
- 1976-04-08 CH CH441876A patent/CH601809A5/xx not_active IP Right Cessation
- 1976-05-17 GB GB20221/76A patent/GB1551323A/en not_active Expired
- 1976-05-25 CA CA253,208A patent/CA1065027A/fr not_active Expired
- 1976-05-25 AT AT382476A patent/AT359125B/de not_active IP Right Cessation
- 1976-06-08 DK DK253576A patent/DK253576A/da unknown
- 1976-06-09 ZA ZA763418A patent/ZA763418B/xx unknown
- 1976-06-25 PL PL1976190719A patent/PL112006B1/pl unknown
- 1976-07-02 FR FR7620286A patent/FR2317665A1/fr active Granted
- 1976-07-09 SE SE7607883A patent/SE413590B/xx unknown
- 1976-07-09 BE BE168784A patent/BE843980A/fr unknown
- 1976-07-09 NL NL7607667A patent/NL7607667A/xx not_active Application Discontinuation
- 1976-07-09 LU LU75358A patent/LU75358A1/xx unknown
- 1976-07-09 US US05/703,841 patent/US4070672A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2317665A1 (fr) | 1977-02-04 |
SE7607883L (sv) | 1977-01-12 |
AT359125B (de) | 1980-10-27 |
SE413590B (sv) | 1980-06-09 |
DE2531148C3 (de) | 1979-04-26 |
ZA763418B (en) | 1977-05-25 |
US4070672A (en) | 1978-01-24 |
PL112006B1 (en) | 1980-09-30 |
BE843980A (fr) | 1977-01-10 |
DK253576A (da) | 1977-01-12 |
CA1065027A (fr) | 1979-10-23 |
CH601809A5 (fr) | 1978-07-14 |
NL7607667A (nl) | 1977-01-13 |
GB1551323A (en) | 1979-08-30 |
ATA382476A (de) | 1980-03-15 |
DE2531148A1 (de) | 1977-01-13 |
LU75358A1 (fr) | 1977-04-04 |
DE2531148B2 (de) | 1978-08-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |