FR824580A - Improvements made to contactors or rotary switches, in particular those for automatic telephony - Google Patents

Improvements made to contactors or rotary switches, in particular those for automatic telephony

Info

Publication number
FR824580A
FR824580A FR824580DA FR824580A FR 824580 A FR824580 A FR 824580A FR 824580D A FR824580D A FR 824580DA FR 824580 A FR824580 A FR 824580A
Authority
FR
France
Prior art keywords
contactors
particular those
improvements made
rotary switches
automatic telephony
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.)
Association des Ouvriers en Instruments de Precision
Original Assignee
Association des Ouvriers en Instruments de Precision
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 Association des Ouvriers en Instruments de Precision filed Critical Association des Ouvriers en Instruments de Precision
Application granted granted Critical
Publication of FR824580A publication Critical patent/FR824580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
FR824580D 1937-07-20 1937-07-20 Improvements made to contactors or rotary switches, in particular those for automatic telephony Expired FR824580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR824580T 1937-07-20

Publications (1)

Publication Number Publication Date
FR824580A true FR824580A (en) 1938-02-11

Family

ID=9281885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824580D Expired FR824580A (en) 1937-07-20 1937-07-20 Improvements made to contactors or rotary switches, in particular those for automatic telephony

Country Status (1)

Country Link
FR (1) FR824580A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699468A (en) * 1949-12-16 1955-01-11 Hartford Nat Bank & Trust Co Rotary switch for use in automatic telephone systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699468A (en) * 1949-12-16 1955-01-11 Hartford Nat Bank & Trust Co Rotary switch for use in automatic telephone systems

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