GB1538140A – Relay circuits
– Google Patents
GB1538140A – Relay circuits
– Google Patents
Relay circuits
Info
Publication number
GB1538140A
GB1538140A
GB33292/76A
GB3329276A
GB1538140A
GB 1538140 A
GB1538140 A
GB 1538140A
GB 33292/76 A
GB33292/76 A
GB 33292/76A
GB 3329276 A
GB3329276 A
GB 3329276A
GB 1538140 A
GB1538140 A
GB 1538140A
Authority
GB
United Kingdom
Prior art keywords
relay circuits
relay
circuits
Prior art date
1975-08-21
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
Application number
GB33292/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPX Corp
Original Assignee
General 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.)
1975-08-21
Filing date
1976-08-10
Publication date
1979-01-10
1976-08-10
Application filed by General Signal Corp
filed
Critical
General Signal Corp
1979-01-10
Publication of GB1538140A
publication
Critical
patent/GB1538140A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L1/00—Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals
B61L1/18—Railway track circuits
B61L1/181—Details
B61L1/188—Use of coded current
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H47/002—Monitoring or fail-safe circuits
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
H01H47/20—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for producing frequency-selective operation of the relay
GB33292/76A
1975-08-21
1976-08-10
Relay circuits
Expired
GB1538140A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US60669575A
1975-08-21
1975-08-21
Publications (1)
Publication Number
Publication Date
GB1538140A
true
GB1538140A
(en)
1979-01-10
Family
ID=24429066
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB33292/76A
Expired
GB1538140A
(en)
1975-08-21
1976-08-10
Relay circuits
Country Status (3)
Country
Link
US
(1)
US4118750A
(en)
CA
(1)
CA1053791A
(en)
GB
(1)
GB1538140A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2208449A
(en)
*
1987-08-05
1989-03-30
M L Engineering
Track indicator apparatus
Families Citing this family (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4298179A
(en)
*
1979-05-31
1981-11-03
American Standard Inc.
Vital cross field transformer circuit arrangement for railroad signaling systems
US4314306A
(en)
*
1980-07-14
1982-02-02
American Standard Inc.
Signal-powered receiver
EP0231017B1
(en)
*
1986-01-28
1992-09-02
Transport Systems Engineering Co., Ltd.
Electric power supply system for railway train
US4934633A
(en)
*
1988-10-07
1990-06-19
Harmon Industries, Inc.
Crossing control unit
DE102004016764B3
(en)
*
2004-04-01
2005-09-08
Honeywell B.V.
Fail-safe circuit for gas valve, especially piezo-driven gas valve, uses fail-safe circuit for providing output voltage to open gas valve
DE102004045031B4
(en)
*
2004-09-15
2007-08-30
Honeywell Technologies S.A.R.L.
Control circuit for relay-operated gas valves
WO2005098888A1
(en)
*
2004-04-01
2005-10-20
Honeywell Technologies Sarl
Control circuit for relay-operated gas valves
US8508165B2
(en)
*
2008-08-01
2013-08-13
Mitsubishi Electric Corporation
AC-DC converter, method of controlling the same, motor driver, compressor driver, air-conditioner, and heat pump type water heater
IT1399990B1
(en)
*
2010-05-11
2013-05-09
Ansaldo Sts Spa
SYSTEM AND METHOD OF CONTROL IN THE RAILWAY AREA OF A SAFETY RELAIS
US9752990B2
(en)
2013-09-30
2017-09-05
Honeywell International Inc.
Low-powered system for driving a fuel control mechanism
CN107918302B
(en)
*
2017-11-22
2019-09-24
宝鸡石油机械有限责任公司
A kind of emergency stop control system and control method with multiple protective mechanism
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2838719A
(en)
*
1955-12-28
1958-06-10
Marconi Co Canada
Photocell circuit control arrangement
US3202967A
(en)
*
1962-05-07
1965-08-24
Admiral Corp
Remote control system
US3715669A
(en)
*
1970-08-13
1973-02-06
Gen Signal Corp
Receiver for a frequency modulated overlay track circuit
US3828225A
(en)
*
1972-09-18
1974-08-06
Westinghouse Air Brake Co
Fail-safe vehicle-carried anti-collision protection receiver
1976
1976-07-06
CA
CA256,352A
patent/CA1053791A/en
not_active
Expired
1976-08-10
GB
GB33292/76A
patent/GB1538140A/en
not_active
Expired
1977
1977-01-14
US
US05/759,304
patent/US4118750A/en
not_active
Expired – Lifetime
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2208449A
(en)
*
1987-08-05
1989-03-30
M L Engineering
Track indicator apparatus
GB2208449B
(en)
*
1987-08-05
1992-03-18
M L Engineering
Track indicator apparatus
Also Published As
Publication number
Publication date
US4118750A
(en)
1978-10-03
CA1053791A
(en)
1979-05-01
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Legal Events
Date
Code
Title
Description
1979-05-23
PS
Patent sealed [section 19, patents act 1949]
1987-04-01
PCNP
Patent ceased through non-payment of renewal fee