GB1413506A - Optical monitoring device - Google Patents

Optical monitoring device

Info

Publication number
GB1413506A
GB1413506A GB3070572A GB3070572A GB1413506A GB 1413506 A GB1413506 A GB 1413506A GB 3070572 A GB3070572 A GB 3070572A GB 3070572 A GB3070572 A GB 3070572A GB 1413506 A GB1413506 A GB 1413506A
Authority
GB
United Kingdom
Prior art keywords
brake
posts
monitoring device
optical monitoring
june
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
Application number
GB3070572A
Other languages
English (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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB3070572A priority Critical patent/GB1413506A/en
Priority to DE19732332345 priority patent/DE2332345A1/de
Priority to NL7309142A priority patent/NL7309142A/xx
Publication of GB1413506A publication Critical patent/GB1413506A/en
Expired 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
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Braking Arrangements (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB3070572A 1972-06-30 1972-06-30 Optical monitoring device Expired GB1413506A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3070572A GB1413506A (en) 1972-06-30 1972-06-30 Optical monitoring device
DE19732332345 DE2332345A1 (de) 1972-06-30 1973-06-26 Optische ueberwachungseinrichtung
NL7309142A NL7309142A (enExample) 1972-06-30 1973-06-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3070572A GB1413506A (en) 1972-06-30 1972-06-30 Optical monitoring device

Publications (1)

Publication Number Publication Date
GB1413506A true GB1413506A (en) 1975-11-12

Family

ID=10311849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3070572A Expired GB1413506A (en) 1972-06-30 1972-06-30 Optical monitoring device

Country Status (3)

Country Link
DE (1) DE2332345A1 (enExample)
GB (1) GB1413506A (enExample)
NL (1) NL7309142A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736053A1 (de) * 1987-10-24 1989-05-11 Bettermann Obo Ohg Vorrichtung zur funktionsueberwachung von ueberspannungsableitern

Also Published As

Publication number Publication date
DE2332345A1 (de) 1974-01-10
NL7309142A (enExample) 1974-01-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees