ZA776742B - Track signalling system - Google Patents

Track signalling system

Info

Publication number: ZA776742B
Authority: ZA; South Africa
Prior art keywords: signalling system; track signalling; track; signalling
Prior art date: 1976-11-29

Application number

ZA00776742A

Other languages

English (en)

Inventor

K Frielinghaus

G Clark

B Smith

Original Assignee

Gen Signal Corp

Priority date (The priority date 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 date listed.)

1976-11-29

Filing date

1977-11-11

Publication date

1978-08-30

1977-11-11 Application filed by Gen Signal Corp filed Critical Gen Signal Corp

1978-08-30 Publication of ZA776742B publication Critical patent/ZA776742B/xx

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/166—Track circuits specially adapted for section blocking using alternating current

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Train Traffic Observation, Control, And Security (AREA)

ZA00776742A 1976-11-29 1977-11-11 Track signalling system ZA776742B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/745,703 US4074879A (en)	1976-11-29	1976-11-29	Track signalling system

Publications (1)

Publication Number	Publication Date
ZA776742B true ZA776742B (en)	1978-08-30

Family

ID=24997878

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00776742A ZA776742B (en)	1976-11-29	1977-11-11	Track signalling system

Country Status (7)

Country	Link
US (1)	US4074879A (fr)
AU (1)	AU505574B2 (fr)
CA (1)	CA1086848A (fr)
GB (1)	GB1590983A (fr)
IT (1)	IT1111642B (fr)
NL (1)	NL7712721A (fr)
ZA (1)	ZA776742B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2479122A2 (fr) *	1980-03-25	1981-10-02	Jeumont Schneider	Dispositif de transmission d'informations par les rails entre une voie de circulation ferroviaire et un ensemble de vehicules circulant sur cette voie
US4352475A (en) *	1980-05-23	1982-10-05	General Signal Corp.	Audio frequency track circuit for rapid transit applications with signal modulation security
US4728063A (en) *	1986-08-07	1988-03-01	General Signal Corp.	Railway signalling system especially for broken rail detection
US4878638A (en) *	1987-01-12	1989-11-07	General Signal Corporation	Combination frequency loop coupling for railway track signalling
GB9122438D0 (en) *	1991-10-23	1991-12-04	Westinghouse Brake & Signal	Railway track circuits
US6639520B2 (en) *	1996-07-25	2003-10-28	Matsushita Electric Industrial Co., Ltd.	Transmission system and coding communication method for a transmission system
US6830224B2 (en) *	2001-02-26	2004-12-14	Railroad Transportation Communication Technologies (Rtct) Llc	Rail communications system
JP4128914B2 (ja) *	2003-07-03	2008-07-30	株式会社日立製作所	自動列車停止システム
US7027897B2 (en) *	2004-01-27	2006-04-11	Bombardier Transportation Gmbh	Apparatus and method for suppressing mechanical resonance in a mass transit vehicle
NL1027459C2 (nl) *	2004-11-09	2006-05-10	Nedap Nv	Spoorwegbeveiliging met toonfrequente spoorstroomlopen.
US8655517B2 (en)	2010-05-19	2014-02-18	General Electric Company	Communication system and method for a rail vehicle consist
US8825239B2 (en)	2010-05-19	2014-09-02	General Electric Company	Communication system and method for a rail vehicle consist
US8935022B2 (en)	2009-03-17	2015-01-13	General Electric Company	Data communication system and method
US8798821B2 (en)	2009-03-17	2014-08-05	General Electric Company	System and method for communicating data in a locomotive consist or other vehicle consist
US8532850B2 (en) *	2009-03-17	2013-09-10	General Electric Company	System and method for communicating data in locomotive consist or other vehicle consist
US9637147B2 (en)	2009-03-17	2017-05-02	General Electronic Company	Data communication system and method
US9379775B2 (en)	2009-03-17	2016-06-28	General Electric Company	Data communication system and method
US8583299B2 (en) *	2009-03-17	2013-11-12	General Electric Company	System and method for communicating data in a train having one or more locomotive consists
US8651434B2 (en)	2010-10-26	2014-02-18	General Electric Company	Methods and systems for rail communication
US10144440B2 (en)	2010-11-17	2018-12-04	General Electric Company	Methods and systems for data communications
US9513630B2 (en)	2010-11-17	2016-12-06	General Electric Company	Methods and systems for data communications
US8914170B2 (en)	2011-12-07	2014-12-16	General Electric Company	System and method for communicating data in a vehicle system
US9150228B2 (en) *	2012-07-13	2015-10-06	Grappone Technologies Inc.	Track circuit providing enhanced broken rail detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1710499A (en) *	1916-10-03	1929-04-23	Union Switch & Signal Co	Railway signaling
US3046392A (en) *	1958-03-03	1962-07-24	Westinghouse Air Brake Co	Control circuits
FR1525162A (fr) *	1967-03-17	1968-05-17	Jeumont Schneider	Circuit électronique de voie pour signalisation ferroviaire
US3794833A (en) *	1972-05-25	1974-02-26	Westinghouse Air Brake Co	Train speed control system

1976
- 1976-11-29 US US05/745,703 patent/US4074879A/en not_active Expired - Lifetime
1977
- 1977-10-20 CA CA289,129A patent/CA1086848A/fr not_active Expired
- 1977-11-08 AU AU30434/77A patent/AU505574B2/en not_active Expired
- 1977-11-11 ZA ZA00776742A patent/ZA776742B/xx unknown
- 1977-11-15 GB GB47550/77A patent/GB1590983A/en not_active Expired
- 1977-11-18 NL NL7712721A patent/NL7712721A/xx not_active Application Discontinuation
- 1977-11-18 IT IT12841/77A patent/IT1111642B/it active

Also Published As

Publication number	Publication date
CA1086848A (fr)	1980-09-30
US4074879A (en)	1978-02-21
NL7712721A (nl)	1978-05-31
AU3043477A (en)	1979-06-07
IT1111642B (it)	1986-01-13
AU505574B2 (en)	1979-11-22
GB1590983A (en)	1981-06-10

Publication	Publication Date	Title
GB1556111A (en)	1979-11-21	Railway track mounting
ZA774064B (en)	1978-05-30	Locomotive environmental system
ZA776742B (en)	1978-08-30	Track signalling system
JPS52137808A (en)	1977-11-17	Track vehicle
JPS5288910A (en)	1977-07-26	Railroad vehicle
JPS5349357A (en)	1978-05-04	Heattpupm system
JPS5313710A (en)	1978-02-07	Track vehicle
JPS52102059A (en)	1977-08-26	Positionndetecting system
GB1547449A (en)	1979-06-20	Alarm system
JPS5375605A (en)	1978-07-05	Track tamper
GB2052920B (en)	1983-07-20	Signalling system
JPS52142916A (en)	1977-11-29	Recording system
GB1539210A (en)	1979-01-31	Anti-skid system
JPS5374674A (en)	1978-07-03	Untiskid brake system
JPS5335433A (en)	1978-04-01	Desplay system
GB1545887A (en)	1979-05-16	Rail points system
JPS52135229A (en)	1977-11-12	Terminating system
JPS538873A (en)	1978-01-26	Continuous filtration system
JPS5369376A (en)	1978-06-20	Elevatorrtype parking system
JPS5353051A (en)	1978-05-15	Heattpump system
JPS535513A (en)	1978-01-19	Encoding system
ZM977A1 (en)	1977-12-21	Rail vehicles
GB2003638B (en)	1982-03-17	Traffic signalling system
IE42719L (en)	1976-11-29	Signalling system
JPS5354500A (en)	1978-05-17	Traffic alarm system