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GB1121873A - Improvements in or relating to time switches - Google Patents

Improvements in or relating to time switches

Info

Publication number
GB1121873A
GB1121873A GB36945/65A GB3694565A GB1121873A GB 1121873 A GB1121873 A GB 1121873A GB 36945/65 A GB36945/65 A GB 36945/65A GB 3694565 A GB3694565 A GB 3694565A GB 1121873 A GB1121873 A GB 1121873A
Authority
GB
United Kingdom
Prior art keywords
relating
time switches
switches
time
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
GB36945/65A
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 GB1121873A publication Critical patent/GB1121873A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H7/00—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
GB36945/65A 1964-08-31 1965-08-27 Improvements in or relating to time switches Expired GB1121873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0048676 1964-08-31

Publications (1)

Publication Number Publication Date
GB1121873A true GB1121873A (en) 1968-07-31

Family

ID=7272584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36945/65A Expired GB1121873A (en) 1964-08-31 1965-08-27 Improvements in or relating to time switches

Country Status (3)

Country Link
US (1) US3359380A (en)
DE (1) DE1465938A1 (en)
GB (1) GB1121873A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2074560A (en) * 1936-03-30 1937-03-23 Exhibit Supply Company Game apparatus
US2627411A (en) * 1947-09-18 1953-02-03 Wiser Ball actuated racing game
DE1256298B (en) * 1963-07-19 1967-12-14 Zindler Lumoprint Kg Time switch for controlling exposure times

Also Published As

Publication number Publication date
DE1465938A1 (en) 1969-05-29
US3359380A (en) 1967-12-19

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