USB568226I5 - - Google Patents
Info
- Publication number
- USB568226I5 USB568226I5 US56822675A USB568226I5 US B568226 I5 USB568226 I5 US B568226I5 US 56822675 A US56822675 A US 56822675A US B568226 I5 USB568226 I5 US B568226I5
- Authority
- US
- United States
- 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.)
- Pending
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
- B61L3/221—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using track circuits
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Safety Devices In Control Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/568,226 US3992698A (en) | 1975-04-15 | 1975-04-15 | Fail-safe speed command signal decoder |
JP51041916A JPS5816001B2 (en) | 1975-04-15 | 1976-04-15 | Vehicle speed command signal decoder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/568,226 US3992698A (en) | 1975-04-15 | 1975-04-15 | Fail-safe speed command signal decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
USB568226I5 true USB568226I5 (en) | 1976-02-24 |
US3992698A US3992698A (en) | 1976-11-16 |
Family
ID=24270447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/568,226 Expired - Lifetime US3992698A (en) | 1975-04-15 | 1975-04-15 | Fail-safe speed command signal decoder |
Country Status (2)
Country | Link |
---|---|
US (1) | US3992698A (en) |
JP (1) | JPS5816001B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2308134A1 (en) * | 1975-04-15 | 1976-11-12 | Westinghouse Electric Corp | DEVICE RESPONDING TO A SIGNAL THRESHOLD |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4111543A (en) * | 1976-04-15 | 1978-09-05 | Xerox Corporation | Apparatus and method for noise immunity in distributing control signals in electrostatographic processing machines |
US4209828A (en) * | 1978-06-28 | 1980-06-24 | Westinghouse Electric Corp. | Speed decoding and speed error determining control apparatus and method |
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 |
US4417229A (en) * | 1980-10-15 | 1983-11-22 | Safetran Systems Corporation | Means for use on a railroad to distinguish between traction current and signal current |
DE3040080C1 (en) * | 1980-10-24 | 1987-11-12 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Device for signal-safe data transmission between a route and vehicles guided on it |
US4464756A (en) * | 1981-09-28 | 1984-08-07 | Honeywell Inc. | System for error detection in frequency shift keyed signals |
US4625279A (en) * | 1984-05-11 | 1986-11-25 | Westinghouse Electric Corp. | Vehicle speed control apparatus and method |
FR2572043B1 (en) * | 1984-10-18 | 1987-02-13 | Matra Transport | METHOD OF DEVICE FOR TRANSMITTING DATA BETWEEN VEHICLES MOVING ON A TRACK |
FR2639306B1 (en) * | 1988-11-18 | 1990-12-21 | Alsthom Gec | SYSTEM FOR TRANSMITTING INITIALIZATION INFORMATION, BETWEEN FIXED FACILITIES AND TRAINS |
US5841364A (en) * | 1994-10-07 | 1998-11-24 | Texas Instruments Incorporated | Method and apparatus for transfering information from a transponder |
US6381506B1 (en) | 1996-11-27 | 2002-04-30 | Victor Grappone | Fail-safe microprocessor-based control and monitoring of electrical devices |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3354433A (en) * | 1963-09-30 | 1967-11-21 | Tele Signal Corp | Pulse communication system |
US3577187A (en) * | 1968-09-03 | 1971-05-04 | Gen Electric | Digital information transfer system having integrity check |
US3588825A (en) * | 1968-10-02 | 1971-06-28 | Gen Signal Corp | Digital commaless code remote control system |
US3624603A (en) * | 1969-09-16 | 1971-11-30 | Gen Electric | Digital data communications system with means for improving system security |
US3703706A (en) * | 1970-02-20 | 1972-11-21 | Hitachi Ltd | Record verification apparatus |
US3737577A (en) * | 1971-10-22 | 1973-06-05 | British Railways Board | Communication systems for receiving and checking repeatedly transmitted multi-digital telegrams |
US3742481A (en) * | 1971-12-06 | 1973-06-26 | Motorola Inc | Selective signalling apparatus with storage of call signals |
US3790821A (en) * | 1972-08-21 | 1974-02-05 | Dresser Ind | Circuit for suppression of spurious pulses resulting from relay operation |
-
1975
- 1975-04-15 US US05/568,226 patent/US3992698A/en not_active Expired - Lifetime
-
1976
- 1976-04-15 JP JP51041916A patent/JPS5816001B2/en not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3354433A (en) * | 1963-09-30 | 1967-11-21 | Tele Signal Corp | Pulse communication system |
US3577187A (en) * | 1968-09-03 | 1971-05-04 | Gen Electric | Digital information transfer system having integrity check |
US3588825A (en) * | 1968-10-02 | 1971-06-28 | Gen Signal Corp | Digital commaless code remote control system |
US3624603A (en) * | 1969-09-16 | 1971-11-30 | Gen Electric | Digital data communications system with means for improving system security |
US3703706A (en) * | 1970-02-20 | 1972-11-21 | Hitachi Ltd | Record verification apparatus |
US3737577A (en) * | 1971-10-22 | 1973-06-05 | British Railways Board | Communication systems for receiving and checking repeatedly transmitted multi-digital telegrams |
US3742481A (en) * | 1971-12-06 | 1973-06-26 | Motorola Inc | Selective signalling apparatus with storage of call signals |
US3790821A (en) * | 1972-08-21 | 1974-02-05 | Dresser Ind | Circuit for suppression of spurious pulses resulting from relay operation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2308134A1 (en) * | 1975-04-15 | 1976-11-12 | Westinghouse Electric Corp | DEVICE RESPONDING TO A SIGNAL THRESHOLD |
Also Published As
Publication number | Publication date |
---|---|
US3992698A (en) | 1976-11-16 |
JPS5816001B2 (en) | 1983-03-29 |
JPS51129009A (en) | 1976-11-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: AEG WESTINGHOUSE TRANSPORTATION SYSTEMS, INC., 200 Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:WESTINGHOUSE ELECTRIC CORPORATION;REEL/FRAME:004963/0339 Effective date: 19880930 Owner name: AEG WESTINGHOUSE TRANSPORTATION SYSTEMS, INC., A C Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WESTINGHOUSE ELECTRIC CORPORATION;REEL/FRAME:004963/0339 Effective date: 19880930 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |