GB492258A - Improvements in or relating to the illumination of dials of instruments - Google Patents

Improvements in or relating to the illumination of dials of instruments

Info

Publication number
GB492258A
GB492258A GB23234/38A GB2323438A GB492258A GB 492258 A GB492258 A GB 492258A GB 23234/38 A GB23234/38 A GB 23234/38A GB 2323438 A GB2323438 A GB 2323438A GB 492258 A GB492258 A GB 492258A
Authority
GB
United Kingdom
Prior art keywords
dials
dial
dec
instrument
instruments
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
GB23234/38A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB492258A publication Critical patent/GB492258A/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)
  • Details Of Measuring And Other Instruments (AREA)

Abstract

492,258. Indicating-apparatus. KOLLSMAN, P. Dec. 11, 1936, No. 23234/38. Convention date, Dec. 11, 1935. Divided out of 492,092. Drawings to Specification. [Class 106 (iv)] Dials, illuminating.-The dial of an instrument is illuminated by an electric light bulb insertable from the front of an instrument and disposed in an arcuate walled chamber, light from the bulb entering the edge of a transparent window and being reflected on to the dial by a painted light reflecting surface on the face of the window. The description is the same as that in Specification 492,092, but the claim differs.
GB23234/38A 1935-12-11 1936-12-11 Improvements in or relating to the illumination of dials of instruments Expired GB492258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US492258XA 1935-12-11 1935-12-11

Publications (1)

Publication Number Publication Date
GB492258A true GB492258A (en) 1938-09-12

Family

ID=21958708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23234/38A Expired GB492258A (en) 1935-12-11 1936-12-11 Improvements in or relating to the illumination of dials of instruments

Country Status (1)

Country Link
GB (1) GB492258A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614205A (en) * 1948-09-21 1952-10-14 John M Roper Illuminating device for instrument panels
US2696550A (en) * 1951-11-26 1954-12-07 Edwin A Neugass Instrument lighting
US2723342A (en) * 1951-11-26 1955-11-08 Edwin A Neugass Instrument lighting devices
US2827557A (en) * 1955-11-02 1958-03-18 Edwin A Neugass Instrument lighting device
US4115994A (en) * 1976-07-13 1978-09-26 Tomlinson James N Dial illumination means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614205A (en) * 1948-09-21 1952-10-14 John M Roper Illuminating device for instrument panels
US2696550A (en) * 1951-11-26 1954-12-07 Edwin A Neugass Instrument lighting
US2723342A (en) * 1951-11-26 1955-11-08 Edwin A Neugass Instrument lighting devices
US2827557A (en) * 1955-11-02 1958-03-18 Edwin A Neugass Instrument lighting device
US4115994A (en) * 1976-07-13 1978-09-26 Tomlinson James N Dial illumination means

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