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FR1190081A - Improvements to automatic telephone systems - Google Patents

Improvements to automatic telephone systems

Info

Publication number
FR1190081A
FR1190081A FR1190081DA FR1190081A FR 1190081 A FR1190081 A FR 1190081A FR 1190081D A FR1190081D A FR 1190081DA FR 1190081 A FR1190081 A FR 1190081A
Authority
FR
France
Prior art keywords
telephone systems
automatic telephone
automatic
systems
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)
Inventor
Svante Lennart Hjertstrand
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1190081A publication Critical patent/FR1190081A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1190081D 1960-10-14 1957-11-22 Improvements to automatic telephone systems Expired FR1190081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841186A FR78526E (en) 1960-10-14 1960-10-14 Improvements to automatic telephone systems

Publications (1)

Publication Number Publication Date
FR1190081A true FR1190081A (en) 1959-10-09

Family

ID=8740784

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1190081D Expired FR1190081A (en) 1960-10-14 1957-11-22 Improvements to automatic telephone systems
FR841186A Expired FR78526E (en) 1959-10-15 1960-10-14 Improvements to automatic telephone systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR841186A Expired FR78526E (en) 1959-10-15 1960-10-14 Improvements to automatic telephone systems

Country Status (1)

Country Link
FR (2) FR1190081A (en)

Also Published As

Publication number Publication date
FR78526E (en) 1962-08-03

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