GB2237872B - Temperature sensor - Google Patents

Temperature sensor

Info

Publication number
GB2237872B
GB2237872B GB8925222A GB8925222A GB2237872B GB 2237872 B GB2237872 B GB 2237872B GB 8925222 A GB8925222 A GB 8925222A GB 8925222 A GB8925222 A GB 8925222A GB 2237872 B GB2237872 B GB 2237872B
Authority
GB
United Kingdom
Prior art keywords
temperature sensor
sensor
temperature
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 - Fee Related
Application number
GB8925222A
Other versions
GB2237872A (en
GB8925222D0 (en
Inventor
James Mark Naden
Julie Ann Clements
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.)
STC PLC
Nortel Networks Optical Components Ltd
Original Assignee
STC PLC
Northern Telecom Europe 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 STC PLC, Northern Telecom Europe Ltd filed Critical STC PLC
Priority to GB8925222A priority Critical patent/GB2237872B/en
Publication of GB8925222D0 publication Critical patent/GB8925222D0/en
Priority to CA 2022697 priority patent/CA2022697A1/en
Publication of GB2237872A publication Critical patent/GB2237872A/en
Application granted granted Critical
Publication of GB2237872B publication Critical patent/GB2237872B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/50—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction
    • G01K5/52—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction with electrical conversion means for final indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
GB8925222A 1989-11-08 1989-11-08 Temperature sensor Expired - Fee Related GB2237872B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8925222A GB2237872B (en) 1989-11-08 1989-11-08 Temperature sensor
CA 2022697 CA2022697A1 (en) 1989-11-08 1990-08-03 Temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8925222A GB2237872B (en) 1989-11-08 1989-11-08 Temperature sensor

Publications (3)

Publication Number Publication Date
GB8925222D0 GB8925222D0 (en) 1989-12-28
GB2237872A GB2237872A (en) 1991-05-15
GB2237872B true GB2237872B (en) 1993-06-02

Family

ID=10665934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8925222A Expired - Fee Related GB2237872B (en) 1989-11-08 1989-11-08 Temperature sensor

Country Status (2)

Country Link
CA (1) CA2022697A1 (en)
GB (1) GB2237872B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0724411D0 (en) 2007-12-14 2008-01-30 Stfc Science & Technology Optical sensor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197066A (en) * 1986-11-05 1988-05-11 Plessey Co Plc Bathythermographs or the like
GB2204948A (en) * 1987-05-14 1988-11-23 Bbc Brown Boveri & Cie Temperature sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197066A (en) * 1986-11-05 1988-05-11 Plessey Co Plc Bathythermographs or the like
GB2204948A (en) * 1987-05-14 1988-11-23 Bbc Brown Boveri & Cie Temperature sensor

Also Published As

Publication number Publication date
GB2237872A (en) 1991-05-15
CA2022697A1 (en) 1991-05-09
GB8925222D0 (en) 1989-12-28

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Legal Events

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

Effective date: 19931108