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GB1035116A - Improvements in or relating to the illumination of timepieces - Google Patents

Improvements in or relating to the illumination of timepieces

Info

Publication number
GB1035116A
GB1035116A GB1476464A GB1476464A GB1035116A GB 1035116 A GB1035116 A GB 1035116A GB 1476464 A GB1476464 A GB 1476464A GB 1476464 A GB1476464 A GB 1476464A GB 1035116 A GB1035116 A GB 1035116A
Authority
GB
United Kingdom
Prior art keywords
timepieces
illumination
relating
dial
clock
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
GB1476464A
Inventor
John Douglas Ault
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.)
Saunders Roe and Nuclear Enterprises Ltd
Original Assignee
Saunders Roe and Nuclear Enterprises 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 Saunders Roe and Nuclear Enterprises Ltd filed Critical Saunders Roe and Nuclear Enterprises Ltd
Priority to GB1476464A priority Critical patent/GB1035116A/en
Publication of GB1035116A publication Critical patent/GB1035116A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • G04B19/32—Illumination of dials or hands by luminescent substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/04—Luminescent, e.g. electroluminescent, chemiluminescent materials containing natural or artificial radioactive elements or unspecified radioactive elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electric Clocks (AREA)

Abstract

A watch or clock contains a self-luminous light source activated by a radio-active gas. The source may be mounted on a reflective rubber pad in front of the clock's dial, or behind the dial, or several sources may be used to give the outline of each character.
GB1476464A 1964-04-09 1964-04-09 Improvements in or relating to the illumination of timepieces Expired GB1035116A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1476464A GB1035116A (en) 1964-04-09 1964-04-09 Improvements in or relating to the illumination of timepieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1476464A GB1035116A (en) 1964-04-09 1964-04-09 Improvements in or relating to the illumination of timepieces

Publications (1)

Publication Number Publication Date
GB1035116A true GB1035116A (en) 1966-07-06

Family

ID=10047079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1476464A Expired GB1035116A (en) 1964-04-09 1964-04-09 Improvements in or relating to the illumination of timepieces

Country Status (1)

Country Link
GB (1) GB1035116A (en)

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