FR712088A - Improvements to electrical switching systems - Google Patents

Improvements to electrical switching systems

Info

Publication number
FR712088A
FR712088A FR712088DA FR712088A FR 712088 A FR712088 A FR 712088A FR 712088D A FR712088D A FR 712088DA FR 712088 A FR712088 A FR 712088A
Authority
FR
France
Prior art keywords
electrical switching
switching systems
systems
electrical
switching
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co 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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR712088A publication Critical patent/FR712088A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
FR712088D 1930-02-26 1931-02-25 Improvements to electrical switching systems Expired FR712088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB643430A GB349576A (en) 1930-02-26 1930-02-26 Improvements in or relating to electric switching arrangements for use in wireless receivers

Publications (1)

Publication Number Publication Date
FR712088A true FR712088A (en) 1931-09-24

Family

ID=9814407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712088D Expired FR712088A (en) 1930-02-26 1931-02-25 Improvements to electrical switching systems

Country Status (2)

Country Link
FR (1) FR712088A (en)
GB (1) GB349576A (en)

Also Published As

Publication number Publication date
GB349576A (en) 1931-05-26

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