GB1538140A

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

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