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FR702721A - Control unit for electrical circuits - Google Patents

Control unit for electrical circuits

Info

Publication number
FR702721A
FR702721A FR702721DA FR702721A FR 702721 A FR702721 A FR 702721A FR 702721D A FR702721D A FR 702721DA FR 702721 A FR702721 A FR 702721A
Authority
FR
France
Prior art keywords
control unit
electrical circuits
circuits
electrical
unit
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)
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.)
BRITISH MOTORSIGN CO
Original Assignee
BRITISH MOTORSIGN CO
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 BRITISH MOTORSIGN CO filed Critical BRITISH MOTORSIGN CO
Application granted granted Critical
Publication of FR702721A publication Critical patent/FR702721A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/004—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes to give the appearance of moving signs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H01H37/66—Magnetic reinforcement of contact pressure; Magnet causing snap action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S200/00—Electricity: circuit makers and breakers
    • Y10S200/27—Thermal magnetic snap

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Thermally Actuated Switches (AREA)
FR702721D 1928-08-20 1929-12-19 Control unit for electrical circuits Expired FR702721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23873/28A GB323206A (en) 1928-08-20 1928-08-20 Improvements in electric sign controllers

Publications (1)

Publication Number Publication Date
FR702721A true FR702721A (en) 1931-04-15

Family

ID=10202687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702721D Expired FR702721A (en) 1928-08-20 1929-12-19 Control unit for electrical circuits

Country Status (4)

Country Link
US (1) US1775949A (en)
BE (1) BE372667A (en)
FR (1) FR702721A (en)
GB (1) GB323206A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537710A (en) * 1948-10-20 1951-01-09 Frank J Schroeder Electric cigarette lighter
US3110789A (en) * 1959-11-19 1963-11-12 Robertshaw Controls Co Thermally actuated cycling switch
US3204060A (en) * 1959-12-29 1965-08-31 Philco Corp Snap-action magnetic switch employing a flexible bimetal switch arm
US3099729A (en) * 1960-07-26 1963-07-30 Nick F Leo Electrical relays
US5008983A (en) * 1989-12-18 1991-04-23 Heins Ralph C Portable cleat

Also Published As

Publication number Publication date
US1775949A (en) 1930-09-16
GB323206A (en) 1929-12-20
BE372667A (en)

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