GB9616570D0 - An interface circuit for an infrared detector - Google Patents

An interface circuit for an infrared detector

Info

Publication number
GB9616570D0
GB9616570D0 GB9616570A GB9616570A GB9616570D0 GB 9616570 D0 GB9616570 D0 GB 9616570D0 GB 9616570 A GB9616570 A GB 9616570A GB 9616570 A GB9616570 A GB 9616570A GB 9616570 D0 GB9616570 D0 GB 9616570D0
Authority
GB
United Kingdom
Prior art keywords
interface circuit
infrared detector
infrared
detector
interface
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.)
Granted
Application number
GB9616570A
Other versions
GB2304440B (en
GB2304440A (en
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.)
CETSA Ltd
Original Assignee
CETSA Ltd
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.)
Filing date
Publication date
Application filed by CETSA Ltd filed Critical CETSA Ltd
Publication of GB9616570D0 publication Critical patent/GB9616570D0/en
Publication of GB2304440A publication Critical patent/GB2304440A/en
Application granted granted Critical
Publication of GB2304440B publication Critical patent/GB2304440B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB9616570A 1995-08-11 1996-08-07 An interface circuit for an infrared detector Expired - Fee Related GB2304440B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IES950605 1995-08-11

Publications (3)

Publication Number Publication Date
GB9616570D0 true GB9616570D0 (en) 1996-09-25
GB2304440A GB2304440A (en) 1997-03-19
GB2304440B GB2304440B (en) 1999-08-11

Family

ID=46799390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9616570A Expired - Fee Related GB2304440B (en) 1995-08-11 1996-08-07 An interface circuit for an infrared detector

Country Status (2)

Country Link
GB (1) GB2304440B (en)
IE (1) IES71514B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339943B (en) * 1998-07-21 2003-04-16 Metrixx Ltd Signalling system
US6133709A (en) 1997-01-21 2000-10-17 Metrixx Limited Signalling system
WO2014065389A1 (en) * 2012-10-25 2014-05-01 Semiconductor Energy Laboratory Co., Ltd. Central control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991413A (en) * 1975-06-23 1976-11-09 Berger Philip H Constant current detector system
GB2111273A (en) * 1981-11-03 1983-06-29 Gateway Security Systems Limit Multiple detector circuit
IES68335B2 (en) * 1995-01-27 1996-06-12 Cetsa Ltd An electrical circuit

Also Published As

Publication number Publication date
IES71514B2 (en) 1997-02-12
GB2304440B (en) 1999-08-11
GB2304440A (en) 1997-03-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090807