BR8202530A - Processo de determinacao na recepcao e em meio pertubado do estado de um sinal alternativo util total ou nulamente modulado circuito de recepcao e de determinacao - Google Patents
Processo de determinacao na recepcao e em meio pertubado do estado de um sinal alternativo util total ou nulamente modulado circuito de recepcao e de determinacaoInfo
- Publication number
- BR8202530A BR8202530A BR8202530A BR8202530A BR8202530A BR 8202530 A BR8202530 A BR 8202530A BR 8202530 A BR8202530 A BR 8202530A BR 8202530 A BR8202530 A BR 8202530A BR 8202530 A BR8202530 A BR 8202530A
- Authority
- BR
- Brazil
- Prior art keywords
- reception
- determination
- pertubed
- usefully
- null
- 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
- B61L3/24—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits
- B61L3/243—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits using alternating current
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8109919A FR2506544A1 (fr) | 1981-05-19 | 1981-05-19 | Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8202530A true BR8202530A (pt) | 1983-04-19 |
Family
ID=9258620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8202530A BR8202530A (pt) | 1981-05-19 | 1982-05-03 | Processo de determinacao na recepcao e em meio pertubado do estado de um sinal alternativo util total ou nulamente modulado circuito de recepcao e de determinacao |
Country Status (8)
Country | Link |
---|---|
US (1) | US4555791A (pt) |
EP (1) | EP0065904B1 (pt) |
AU (1) | AU553426B2 (pt) |
BR (1) | BR8202530A (pt) |
CA (1) | CA1189917A (pt) |
DE (1) | DE3265208D1 (pt) |
FR (1) | FR2506544A1 (pt) |
ZA (1) | ZA823474B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4214920A1 (de) * | 1992-05-11 | 1993-11-18 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zur Sensorsignal-Aufbereitung |
WO2006038162A1 (en) * | 2004-10-04 | 2006-04-13 | Koninklijke Philips Electronics N.V. | Brightness control of a lighting unit of a matrix display device. |
BE1019445A3 (fr) * | 2010-08-11 | 2012-07-03 | Reza Yves | Procede d'extraction d'information audio. |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1752325A (en) * | 1928-11-15 | 1930-04-01 | American Telephone & Telegraph | Reduction of static interference in carrier systems |
DE540850C (de) * | 1930-01-03 | 1934-01-05 | Telefunken Gmbh | Verfahren zur gleichzeitigen UEbermittlung von Buchstaben- und Bildtelegraphie auf dem gleichen drahtlosen Verbindungswege |
US2070418A (en) * | 1933-05-19 | 1937-02-09 | Rca Corp | Multiplex cable code telegraphy with diversity reception |
NL82248C (pt) * | 1945-03-15 | |||
US2602852A (en) * | 1947-05-23 | 1952-07-08 | Motorola Inc | Selective calling system |
NL75784C (pt) * | 1947-07-09 | |||
US3413608A (en) * | 1964-06-12 | 1968-11-26 | Warwick Electronics Inc | Noise immune detector |
US3571522A (en) * | 1968-11-29 | 1971-03-16 | Bell Telephone Labor Inc | Tone detector |
DE2444251A1 (de) * | 1974-09-16 | 1976-03-25 | Siemens Ag | Gleisstromkreis, insbesondere fuer gleichstrombahnen mit chopper-gesteuerten triebfahrzeugen |
FR2302640A1 (fr) * | 1975-02-25 | 1976-09-24 | Thomson Csf | Systeme de transmission d'informations utilisant une modulation par deplacement de frequence |
-
1981
- 1981-05-19 FR FR8109919A patent/FR2506544A1/fr active Granted
-
1982
- 1982-04-30 CA CA000402024A patent/CA1189917A/fr not_active Expired
- 1982-05-03 BR BR8202530A patent/BR8202530A/pt unknown
- 1982-05-10 EP EP82400854A patent/EP0065904B1/fr not_active Expired
- 1982-05-10 AU AU83535/82A patent/AU553426B2/en not_active Ceased
- 1982-05-10 DE DE8282400854T patent/DE3265208D1/de not_active Expired
- 1982-05-13 US US06/377,803 patent/US4555791A/en not_active Expired - Fee Related
- 1982-05-19 ZA ZA823474A patent/ZA823474B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA1189917A (fr) | 1985-07-02 |
FR2506544B1 (pt) | 1983-10-28 |
EP0065904A1 (fr) | 1982-12-01 |
FR2506544A1 (fr) | 1982-11-26 |
US4555791A (en) | 1985-11-26 |
EP0065904B1 (fr) | 1985-08-07 |
AU553426B2 (en) | 1986-07-17 |
DE3265208D1 (en) | 1985-09-12 |
AU8353582A (en) | 1982-11-25 |
ZA823474B (en) | 1983-03-30 |
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