GB1172683A – Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
– Google Patents
GB1172683A – Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
– Google Patents
Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
Info
Publication number
GB1172683A
GB1172683A
GB3401366A
GB3401366A
GB1172683A
GB 1172683 A
GB1172683 A
GB 1172683A
GB 3401366 A
GB3401366 A
GB 3401366A
GB 3401366 A
GB3401366 A
GB 3401366A
GB 1172683 A
GB1172683 A
GB 1172683A
Authority
GB
United Kingdom
Prior art keywords
break
signal
capacitive pick
picked
july
Prior art date
1966-07-28
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
GB3401366A
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.)
AMYATT EDMUND LIVESEY
NORMAN HECTOR POOL
Electricity Council
Original Assignee
AMYATT EDMUND LIVESEY
NORMAN HECTOR POOL
Electricity Council
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.)
1966-07-28
Filing date
1966-07-28
Publication date
1969-12-03
1966-07-28
Application filed by AMYATT EDMUND LIVESEY, NORMAN HECTOR POOL, Electricity Council
filed
Critical
AMYATT EDMUND LIVESEY
1966-07-28
Priority to GB3401366A
priority
Critical
patent/GB1172683A/en
1969-12-03
Publication of GB1172683A
publication
Critical
patent/GB1172683A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/08—Locating faults in cables, transmission lines, or networks
Abstract
1,172,683. Locating faults in laid cables. ELECTRICITY COUNCIL, N.H. POOL and A.E. LIVESEY. July 28, 1967 [July 28, 1966], No.34013/66. Heading G1U. A break in an underfloor heating element is located by feeding an r.f. signal of at least mc/s in frequency into one end of the conductor to set up a standing wave pattern therein between the line end of the conductor and the break and traversing a capacitive pick-up along the path of the element to locate the break as revealed by a rapid falling off of the picked up signal strength as the break is passed. The r.f. signal may be modulated at an audio frequency or the picked up signal may be mixed with the output of a local oscillator to produce an audio frequency which is fed to headphones. An adjustable impedance matching II network is provided for coupling the r.f. generator to the element. The capacitive pick-up comprises a stub antenna of adjustable length and may be connected via a tuned circuit, or directly if the field strength is high enough, to the detector and indicator. An inductive pickup may be provided to obtain an approximate position of the break which is then located accurately using the capacitive pick-up.
GB3401366A
1966-07-28
1966-07-28
Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
Expired
GB1172683A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB3401366A
GB1172683A
(en)
1966-07-28
1966-07-28
Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB3401366A
GB1172683A
(en)
1966-07-28
1966-07-28
Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
Publications (1)
Publication Number
Publication Date
GB1172683A
true
GB1172683A
(en)
1969-12-03
Family
ID=10360282
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3401366A
Expired
GB1172683A
(en)
1966-07-28
1966-07-28
Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
Country Status (1)
Country
Link
GB
(1)
GB1172683A
(en)
Cited By (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4072899A
(en)
*
1976-04-26
1978-02-07
Comsonics, Inc.
RF leak detector
US4147973A
(en)
*
1976-12-20
1979-04-03
Weber Harold J
Frequency dependent amplitude modulated translator apparatus
US4387337A
(en)
*
1979-11-07
1983-06-07
Beeman Terrence M
Ground locating device for cathodically protected steel piping and/or electrical conduits
GB2124391A
(en)
*
1982-07-22
1984-02-15
David J Haviland
Electricity supply fault detection
US4439723A
(en)
*
1981-05-11
1984-03-27
Loftness Marvin O
Ultrasonic and VHF locator of electrical systems defects
GB2143954A
(en)
*
1983-07-22
1985-02-20
Sharetree Ltd
A capacitive method and apparatus for checking connections of a printed circuit board
FR2603703A1
(en)
*
1986-09-09
1988-03-11
Million Bernard
Electronic device for locating the position of an opening in a circuit forming an electrical link between electronic components
US5714885A
(en)
*
1995-09-22
1998-02-03
Lulham; Don A.
Method and apparatus for locating faluts in buried conductors
US6008657A
(en)
*
1994-12-16
1999-12-28
Tokyo Gas Co., Ltd.
Method for inspecting the elements of piping systems by electromagnetic waves
US6008658A
(en)
*
1994-12-16
1999-12-28
Tokyo Gas Co., Ltd.
Method for inspecting the elements of piping systems by electromagnetic waves
1966
1966-07-28
GB
GB3401366A
patent/GB1172683A/en
not_active
Expired
Cited By (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4072899A
(en)
*
1976-04-26
1978-02-07
Comsonics, Inc.
RF leak detector
US4147973A
(en)
*
1976-12-20
1979-04-03
Weber Harold J
Frequency dependent amplitude modulated translator apparatus
US4387337A
(en)
*
1979-11-07
1983-06-07
Beeman Terrence M
Ground locating device for cathodically protected steel piping and/or electrical conduits
US4439723A
(en)
*
1981-05-11
1984-03-27
Loftness Marvin O
Ultrasonic and VHF locator of electrical systems defects
GB2124391A
(en)
*
1982-07-22
1984-02-15
David J Haviland
Electricity supply fault detection
GB2143954A
(en)
*
1983-07-22
1985-02-20
Sharetree Ltd
A capacitive method and apparatus for checking connections of a printed circuit board
FR2603703A1
(en)
*
1986-09-09
1988-03-11
Million Bernard
Electronic device for locating the position of an opening in a circuit forming an electrical link between electronic components
US6008657A
(en)
*
1994-12-16
1999-12-28
Tokyo Gas Co., Ltd.
Method for inspecting the elements of piping systems by electromagnetic waves
US6008658A
(en)
*
1994-12-16
1999-12-28
Tokyo Gas Co., Ltd.
Method for inspecting the elements of piping systems by electromagnetic waves
US5714885A
(en)
*
1995-09-22
1998-02-03
Lulham; Don A.
Method and apparatus for locating faluts in buried conductors
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Legal Events
Date
Code
Title
Description
1970-04-15
PS
Patent sealed
1982-02-24
PCNP
Patent ceased through non-payment of renewal fee
