FR2304223B1 - - Google Patents
Info
- Publication number
- FR2304223B1 FR2304223B1 FR7607246A FR7607246A FR2304223B1 FR 2304223 B1 FR2304223 B1 FR 2304223B1 FR 7607246 A FR7607246 A FR 7607246A FR 7607246 A FR7607246 A FR 7607246A FR 2304223 B1 FR2304223 B1 FR 2304223B1
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/558,108 US4015082A (en) | 1975-03-13 | 1975-03-13 | Multi-channel signal decoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2304223A1 FR2304223A1 (fr) | 1976-10-08 |
| FR2304223B1 true FR2304223B1 (US20050075337A1-20050407-C00081.png) | 1980-08-08 |
Family
ID=24228241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7607246A Granted FR2304223A1 (fr) | 1975-03-13 | 1976-03-12 | Decodeur de signaux a plusieurs canaux |
Country Status (9)
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653802C2 (de) * | 1975-12-17 | 1984-09-13 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Fernsteuersystem |
| US4209828A (en) * | 1978-06-28 | 1980-06-24 | Westinghouse Electric Corp. | Speed decoding and speed error determining control apparatus and method |
| US4270716A (en) * | 1979-03-30 | 1981-06-02 | Westinghouse Electric Corp. | Transit vehicle speed control apparatus and method |
| US4333150A (en) * | 1980-01-28 | 1982-06-01 | Westinghouse Electric Corp. | Signal receiving apparatus and method |
| US4459668A (en) * | 1980-03-31 | 1984-07-10 | Japanese National Railways | Automatic train control device |
| JPS5762702A (en) * | 1980-10-03 | 1982-04-15 | Hitachi Ltd | Automatic train control device |
| US4320881A (en) * | 1980-10-03 | 1982-03-23 | American Standard Inc. | Fail-safe decoder for digital track circuits |
| US4558415A (en) * | 1983-05-20 | 1985-12-10 | Westinghouse Electric Corp. | Vehicle speed control apparatus and method |
| GB8320509D0 (en) * | 1983-07-29 | 1983-09-01 | Westinghouse Brake & Signal | Proving safe operation |
| US4625279A (en) * | 1984-05-11 | 1986-11-25 | Westinghouse Electric Corp. | Vehicle speed control apparatus and method |
| US4710880A (en) * | 1984-11-28 | 1987-12-01 | Westinghouse Electric Corp. | Vehicle speed control apparatus and method |
| GB2193588B (en) * | 1986-08-04 | 1990-07-25 | Gec General Signal Ltd | Track circuit signalling arrangement |
| GB8620002D0 (en) * | 1986-08-16 | 1986-09-24 | Westinghouse Brake & Signal | Communicating vital control signals |
| US4835693A (en) * | 1987-02-26 | 1989-05-30 | Utdc Inc. | Brake assurance monitor |
| US5511749A (en) | 1994-04-01 | 1996-04-30 | Canac International, Inc. | Remote control system for a locomotive |
| US6122571A (en) * | 1999-12-07 | 2000-09-19 | Walt Disney Enterprises, Inc. | Positive-feedback go/no-go communication system |
| GB0127927D0 (en) * | 2001-11-21 | 2002-01-16 | Westinghouse Brake & Signal | Railway track circuits |
| US7792089B2 (en) * | 2002-07-31 | 2010-09-07 | Cattron-Theimeg, Inc. | System and method for wireless remote control of locomotives |
| WO2011009134A2 (en) | 2009-07-17 | 2011-01-20 | Invensys Rail Corporation | Track circuit communications |
| US8500071B2 (en) | 2009-10-27 | 2013-08-06 | Invensys Rail Corporation | Method and apparatus for bi-directional downstream adjacent crossing signaling |
| US8660215B2 (en) | 2010-03-16 | 2014-02-25 | Siemens Rail Automation Corporation | Decoding algorithm for frequency shift key communications |
| US8297558B2 (en) * | 2010-03-17 | 2012-10-30 | Safetran Systems Corporation | Crossing predictor with authorized track speed input |
| US10279823B2 (en) * | 2016-08-08 | 2019-05-07 | General Electric Company | System for controlling or monitoring a vehicle system along a route |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2909606A (en) * | 1957-10-22 | 1959-10-20 | Bell Telephone Labor Inc | Noise compensated tone signaling system |
| US3179748A (en) * | 1961-12-19 | 1965-04-20 | Bell Telephone Labor Inc | Balanced demodulator for frequencyshift data signals |
| US3354433A (en) * | 1963-09-30 | 1967-11-21 | Tele Signal Corp | Pulse communication system |
| DE2213139A1 (de) * | 1972-03-17 | 1973-09-20 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur unterdrueckung von stoerzeichen |
| US3882545A (en) * | 1972-11-15 | 1975-05-06 | Lanier Electronic Lab Inc | Apparatus and method for detecting tone signals occuring within a predetermined frequency range |
-
1975
- 1975-03-13 US US05/558,108 patent/US4015082A/en not_active Expired - Lifetime
-
1976
- 1976-03-02 CA CA246,943A patent/CA1087703A/en not_active Expired
- 1976-03-08 GB GB9162/76A patent/GB1546942A/en not_active Expired
- 1976-03-11 BR BR7601455A patent/BR7601455A/pt unknown
- 1976-03-11 ES ES445977A patent/ES445977A1/es not_active Expired
- 1976-03-12 BE BE165094A patent/BE839489A/xx not_active IP Right Cessation
- 1976-03-12 FR FR7607246A patent/FR2304223A1/fr active Granted
- 1976-03-12 JP JP51026260A patent/JPS51113908A/ja active Pending
- 1976-03-12 IT IT21179/76A patent/IT1058419B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1058419B (it) | 1982-04-10 |
| BR7601455A (pt) | 1976-09-14 |
| ES445977A1 (es) | 1977-06-16 |
| GB1546942A (en) | 1979-05-31 |
| JPS51113908A (en) | 1976-10-07 |
| US4015082A (en) | 1977-03-29 |
| CA1087703A (en) | 1980-10-14 |
| FR2304223A1 (fr) | 1976-10-08 |
| BE839489A (fr) | 1976-09-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| BR | Restoration of rights | ||
| ST | Notification of lapse |