FR90307E - Improvements to automatic telephone systems - Google Patents

Improvements to automatic telephone systems

Info

Publication number
FR90307E
FR90307E FR70457A FR70457A FR90307E FR 90307 E FR90307 E FR 90307E FR 70457 A FR70457 A FR 70457A FR 70457 A FR70457 A FR 70457A FR 90307 E FR90307 E FR 90307E
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
FR70457A
Other languages
French (fr)
Inventor
Peter Wohr
Georg Becker
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
Priority claimed from DEST24178A external-priority patent/DE1254704B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR70457A priority Critical patent/FR90307E/en
Application granted granted Critical
Publication of FR90307E publication Critical patent/FR90307E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR70457A 1965-07-24 1966-07-22 Improvements to automatic telephone systems Expired FR90307E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR70457A FR90307E (en) 1965-07-24 1966-07-22 Improvements to automatic telephone systems

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEST24178A DE1254704B (en) 1965-07-24 1965-07-24 Route search network to determine a free route through a switching network, for telecommunications, in particular telephone switching systems
DEST24175A DE1254196B (en) 1965-07-24 1965-07-24 Method and circuit arrangement for searching for a route through a multi-stage switching network in telecommunications, in particular telephone switching systems
DEST024177 1965-07-24
FR70457A FR90307E (en) 1965-07-24 1966-07-22 Improvements to automatic telephone systems

Publications (1)

Publication Number Publication Date
FR90307E true FR90307E (en) 1967-11-24

Family

ID=27437454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70457A Expired FR90307E (en) 1965-07-24 1966-07-22 Improvements to automatic telephone systems

Country Status (1)

Country Link
FR (1) FR90307E (en)

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