GB1300057A - Improvements in or relating to illuminated dials - Google Patents

Improvements in or relating to illuminated dials

Info

Publication number
GB1300057A
GB1300057A GB747669A GB747669A GB1300057A GB 1300057 A GB1300057 A GB 1300057A GB 747669 A GB747669 A GB 747669A GB 747669 A GB747669 A GB 747669A GB 1300057 A GB1300057 A GB 1300057A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
relating
improvements
feb
illuminated
illuminated dials
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
GB747669A
Inventor
Kenneth Wilfred Tizard
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.)
Sperry Rand Ltd
Original Assignee
Sperry Rand 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

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28Structurally-combined illuminating devices

Abstract

1300057 Uses of luminescence SPERRY RAND Ltd 11 Feb 1970 [12 Feb 1969] 7476/69 Heading C4S [Also in Divisions G1 and G5] The pointer of an illuminated dial (see Division G1) may carry a self-contained light actuated by a radio-active gas.
GB747669A 1969-02-12 1969-02-12 Improvements in or relating to illuminated dials Expired GB1300057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB747669A GB1300057A (en) 1969-02-12 1969-02-12 Improvements in or relating to illuminated dials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB747669A GB1300057A (en) 1969-02-12 1969-02-12 Improvements in or relating to illuminated dials

Publications (1)

Publication Number Publication Date
GB1300057A true true GB1300057A (en) 1972-12-20

Family

ID=9833844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB747669A Expired GB1300057A (en) 1969-02-12 1969-02-12 Improvements in or relating to illuminated dials

Country Status (1)

Country Link
GB (1) GB1300057A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159654A (en) * 1984-05-29 1985-12-04 Toshiba Kk Display device for telephone or the like electric appliance
GB2164138A (en) * 1981-11-07 1986-03-12 Kei Mori Apparatus for uniform illumination employing light diffuser
GB2406837A (en) * 2003-10-08 2005-04-13 Visteon Global Tech Inc Instrument display illuminated from central region

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164138A (en) * 1981-11-07 1986-03-12 Kei Mori Apparatus for uniform illumination employing light diffuser
GB2159654A (en) * 1984-05-29 1985-12-04 Toshiba Kk Display device for telephone or the like electric appliance
US4776120A (en) * 1984-05-29 1988-10-11 Kabushiki Kaisha Toshiba Display device for telephone or a similar electric appliance
GB2406837A (en) * 2003-10-08 2005-04-13 Visteon Global Tech Inc Instrument display illuminated from central region
GB2406837B (en) * 2003-10-08 2005-08-24 Visteon Global Tech Inc Illuminable display
US7121674B2 (en) 2003-10-08 2006-10-17 Visteon Global Technologies, Inc. Illuminable display

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Legal Events

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