FR1496017A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR1496017A
FR1496017A FR79101A FR79101A FR1496017A FR 1496017 A FR1496017 A FR 1496017A FR 79101 A FR79101 A FR 79101A FR 79101 A FR79101 A FR 79101A FR 1496017 A FR1496017 A FR 1496017A
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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
FR79101A
Other languages
French (fr)
Inventor
Helmuth Holtegel
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 FR1496017A publication Critical patent/FR1496017A/en
Expired legal-status Critical Current

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR79101A 1965-10-08 1966-10-07 Improvements to telephone systems Expired FR1496017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST024473 1965-10-08

Publications (1)

Publication Number Publication Date
FR1496017A true FR1496017A (en) 1967-09-22

Family

ID=7460141

Family Applications (1)

Application Number Title Priority Date Filing Date
FR79101A Expired FR1496017A (en) 1965-10-08 1966-10-07 Improvements to telephone systems

Country Status (2)

Country Link
DE (1) DE1462367B2 (en)
FR (1) FR1496017A (en)

Also Published As

Publication number Publication date
DE1462367B2 (en) 1971-11-25
DE1462367A1 (en) 1968-12-05

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