FR1275275A - Telephone switching circuit - Google Patents

Telephone switching circuit

Info

Publication number
FR1275275A
FR1275275A FR845335A FR845335A FR1275275A FR 1275275 A FR1275275 A FR 1275275A FR 845335 A FR845335 A FR 845335A FR 845335 A FR845335 A FR 845335A FR 1275275 A FR1275275 A FR 1275275A
Authority
FR
France
Prior art keywords
switching circuit
telephone switching
telephone
circuit
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
FR845335A
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Priority claimed from US857283A external-priority patent/US3005876A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR845335A priority Critical patent/FR1275275A/en
Application granted granted Critical
Publication of FR1275275A publication Critical patent/FR1275275A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/24—Co-ordinate-type relay switches having an individual electromagnet at each cross-point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR845335A 1959-12-04 1960-11-29 Telephone switching circuit Expired FR1275275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR845335A FR1275275A (en) 1959-12-04 1960-11-29 Telephone switching circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US857283A US3005876A (en) 1959-12-04 1959-12-04 Telephone switching circuit
FR845335A FR1275275A (en) 1959-12-04 1960-11-29 Telephone switching circuit

Publications (1)

Publication Number Publication Date
FR1275275A true FR1275275A (en) 1961-11-03

Family

ID=26188343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845335A Expired FR1275275A (en) 1959-12-04 1960-11-29 Telephone switching circuit

Country Status (1)

Country Link
FR (1) FR1275275A (en)

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