GB2154741B - Illumination device - Google Patents

Illumination device

Info

Publication number
GB2154741B
GB2154741B GB08504597A GB8504597A GB2154741B GB 2154741 B GB2154741 B GB 2154741B GB 08504597 A GB08504597 A GB 08504597A GB 8504597 A GB8504597 A GB 8504597A GB 2154741 B GB2154741 B GB 2154741B
Authority
GB
United Kingdom
Prior art keywords
illumination device
illumination
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
GB08504597A
Other versions
GB8504597D0 (en
GB2154741A (en
Inventor
Raymond William Baxter
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.)
Page Aerospace Ltd
Original Assignee
Page Aerospace 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 Page Aerospace Ltd filed Critical Page Aerospace Ltd
Publication of GB8504597D0 publication Critical patent/GB8504597D0/en
Publication of GB2154741A publication Critical patent/GB2154741A/en
Application granted granted Critical
Publication of GB2154741B publication Critical patent/GB2154741B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Measuring Devices (AREA)
GB08504597A 1984-02-23 1985-02-22 Illumination device Expired GB2154741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8404768 1984-02-23

Publications (3)

Publication Number Publication Date
GB8504597D0 GB8504597D0 (en) 1985-03-27
GB2154741A GB2154741A (en) 1985-09-11
GB2154741B true GB2154741B (en) 1987-11-25

Family

ID=10557079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08504597A Expired GB2154741B (en) 1984-02-23 1985-02-22 Illumination device

Country Status (1)

Country Link
GB (1) GB2154741B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0515057Y2 (en) * 1985-08-27 1993-04-21

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB888255A (en) *
US3561145A (en) * 1968-03-05 1971-02-09 United States Radium Corp Light distributing lens system
GB1264142A (en) * 1968-03-18 1972-02-16
US4460940A (en) * 1981-11-07 1984-07-17 Kei Mori Apparatus for uniform illumination employing light diffuser

Also Published As

Publication number Publication date
GB8504597D0 (en) 1985-03-27
GB2154741A (en) 1985-09-11

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Legal Events

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

Effective date: 20000222