FR1044480A - Switching key for telephone systems - Google Patents

Switching key for telephone systems

Info

Publication number
FR1044480A
FR1044480A FR1044480DA FR1044480A FR 1044480 A FR1044480 A FR 1044480A FR 1044480D A FR1044480D A FR 1044480DA FR 1044480 A FR1044480 A FR 1044480A
Authority
FR
France
Prior art keywords
telephone systems
switching key
key
switching
telephone
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
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 Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of FR1044480A publication Critical patent/FR1044480A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • H01H1/28—Assembly of three or more contact-supporting spring blades
FR1044480D 1951-01-16 1951-11-06 Switching key for telephone systems Expired FR1044480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1044480XA 1951-01-16 1951-01-16

Publications (1)

Publication Number Publication Date
FR1044480A true FR1044480A (en) 1953-11-17

Family

ID=22300531

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1044480D Expired FR1044480A (en) 1951-01-16 1951-11-06 Switching key for telephone systems

Country Status (1)

Country Link
FR (1) FR1044480A (en)

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