FR612917A - Improvement in electrical devices adjustable to operate for specific periods of time - Google Patents

Improvement in electrical devices adjustable to operate for specific periods of time

Info

Publication number
FR612917A
FR612917A FR612917DA FR612917A FR 612917 A FR612917 A FR 612917A FR 612917D A FR612917D A FR 612917DA FR 612917 A FR612917 A FR 612917A
Authority
FR
France
Prior art keywords
improvement
operate
time
electrical devices
specific periods
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
Other languages
French (fr)
Inventor
Graham Cotterell
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 filed Critical
Application granted granted Critical
Publication of FR612917A publication Critical patent/FR612917A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/18—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times
    • G04C23/20—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with contacts operated, or formed by clock hands or elements of similar form

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR612917D 1925-03-19 1926-03-18 Improvement in electrical devices adjustable to operate for specific periods of time Expired FR612917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB612917X 1925-03-19

Publications (1)

Publication Number Publication Date
FR612917A true FR612917A (en) 1926-11-04

Family

ID=10486830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR612917D Expired FR612917A (en) 1925-03-19 1926-03-18 Improvement in electrical devices adjustable to operate for specific periods of time

Country Status (1)

Country Link
FR (1) FR612917A (en)

Similar Documents

Publication Publication Date Title
FR629349A (en) Improvements to television sets and similar devices
FR33455E (en) Improvements to modes and devices for controlling timed devices
FR618171A (en) Improvements to conductor clamping devices for gaskets and electrical devices
FR627118A (en) Improvements to electrical appliances
FR612917A (en) Improvement in electrical devices adjustable to operate for specific periods of time
FR33941E (en) Improvements to modes and devices for controlling timed devices
FR626958A (en) Improvements to metallurgical devices
FR624689A (en) Improvements to permanent waving devices
FR639320A (en) Improvements to hearing devices
FR579865A (en) Improvements to magneto-electric massage devices
FR584004A (en) Improvements to weighing devices
FR571112A (en) Improvements to thermo-ionic devices
FR720667A (en) Improvements to denture retention devices
FR631409A (en) Improvements to the mechanisms of electrical switches
FR709055A (en) Improvements to the contacts of electrical time devices
FR582301A (en) Improvements to modes and devices for controlling timed devices
FR627252A (en) Improvements to devices for measuring variable forces
FR566831A (en) Improvements to weighing devices
FR560703A (en) Improvements to advertising devices
FR621137A (en) Improvements to devices for treating vines
FR612167A (en) Improvements to the needles of indicating devices
FR589564A (en) Improvements to window cleaning devices
FR615962A (en) Improvements to advertising devices
FR625541A (en) Improvements to advertising devices
FR562330A (en) Improvements to display devices