GB2155223B - A circuit - Google Patents
A circuitInfo
- Publication number
- GB2155223B GB2155223B GB08405296A GB8405296A GB2155223B GB 2155223 B GB2155223 B GB 2155223B GB 08405296 A GB08405296 A GB 08405296A GB 8405296 A GB8405296 A GB 8405296A GB 2155223 B GB2155223 B GB 2155223B
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- Prior art date
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08405296A GB2155223B (en) | 1984-02-29 | 1984-02-29 | A circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08405296A GB2155223B (en) | 1984-02-29 | 1984-02-29 | A circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8405296D0 GB8405296D0 (en) | 1984-04-04 |
GB2155223A GB2155223A (en) | 1985-09-18 |
GB2155223B true GB2155223B (en) | 1987-07-08 |
Family
ID=10557366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08405296A Expired GB2155223B (en) | 1984-02-29 | 1984-02-29 | A circuit |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2155223B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2595521B1 (en) * | 1986-03-07 | 1988-10-21 | Electricite De France | TELECOUNTING DEVICE |
GB8614198D0 (en) * | 1986-06-11 | 1986-07-16 | Salplex Ltd | Information handling & control systems |
US4839575A (en) * | 1986-08-15 | 1989-06-13 | Marathon Electric Manufacturing Corporation | Alternator regulator having output monitoring and limiting controls |
FR2634899B1 (en) * | 1988-07-28 | 1990-11-30 | Merlin Gerin | INPUT CIRCUIT, OF THE ALL OR NOTHING TYPE, OF A PROGRAMMABLE CONTROLLER |
NL2002741C2 (en) * | 2009-04-09 | 2010-10-13 | Ascom Sweden Ab | Device, method and assembly for integrity checking of electrical wiring. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB910920A (en) * | 1960-06-21 | 1962-11-21 | Pyrene Co Ltd | Improvements in or relating to fire-detection circuits |
GB1548526A (en) * | 1977-10-26 | 1979-07-18 | Tronic Alarms Ltd M | Burglar and fire alarm detection circuit monitor |
DE2939462C2 (en) * | 1979-09-28 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Process and device for the identification of individual detectors in intrusion or fire alarm systems |
DE2939494B2 (en) * | 1979-09-28 | 1981-07-02 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for intrusion or fire alarm systems |
CA1139859A (en) * | 1980-03-06 | 1983-01-18 | Peter Humphries | Alarm system |
EP0066879A1 (en) * | 1981-06-05 | 1982-12-15 | Hekatron GmbH | Circuit arrangement for the transmission of measured values to a central station, especially for a fire signalling system |
-
1984
- 1984-02-29 GB GB08405296A patent/GB2155223B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2155223A (en) | 1985-09-18 |
GB8405296D0 (en) | 1984-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010228 |