FR620587A - Perfectionnements aux contacts électriques, tels que ceux utilisés dans les appareils téléphoniques automatiques - Google Patents

Perfectionnements aux contacts électriques, tels que ceux utilisés dans les appareils téléphoniques automatiques

Info

Publication number
FR620587A
FR620587A FR620587DA FR620587A FR 620587 A FR620587 A FR 620587A FR 620587D A FR620587D A FR 620587DA FR 620587 A FR620587 A FR 620587A
Authority
FR
France
Prior art keywords
electrical contacts
those used
telephone sets
automatic telephone
automatic
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
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR620587A publication Critical patent/FR620587A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/566—Angularly-movable actuating part carrying contacts, e.g. drum switch in which the contact making surfaces are inclined, i.e. not perpendicular, to the axial or radial direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/02—Contacts; Wipers; Connections thereto
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/02—Contacts; Wipers; Connections thereto
    • H01H63/06—Contact banks
FR620587D 1926-08-24 1926-08-24 Perfectionnements aux contacts électriques, tels que ceux utilisés dans les appareils téléphoniques automatiques Expired FR620587A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR620587T 1926-08-24

Publications (1)

Publication Number Publication Date
FR620587A true FR620587A (fr) 1927-04-25

Family

ID=8984496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620587D Expired FR620587A (fr) 1926-08-24 1926-08-24 Perfectionnements aux contacts électriques, tels que ceux utilisés dans les appareils téléphoniques automatiques

Country Status (3)

Country Link
BE (1) BE336188A (xx)
FR (1) FR620587A (xx)
NL (1) NL20282C (xx)

Also Published As

Publication number Publication date
BE336188A (xx)
NL20282C (xx)

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