FR1457528A - Private telephone switch connected to a telephone network - Google Patents

Private telephone switch connected to a telephone network

Info

Publication number
FR1457528A
FR1457528A FR30238A FR30238A FR1457528A FR 1457528 A FR1457528 A FR 1457528A FR 30238 A FR30238 A FR 30238A FR 30238 A FR30238 A FR 30238A FR 1457528 A FR1457528 A FR 1457528A
Authority
FR
France
Prior art keywords
telephone
switch connected
private
telephone network
network
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
FR30238A
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 US393911A external-priority patent/US3342934A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR30238A priority Critical patent/FR1457528A/en
Application granted granted Critical
Publication of FR1457528A publication Critical patent/FR1457528A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR30238A 1964-09-02 1965-09-02 Private telephone switch connected to a telephone network Expired FR1457528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR30238A FR1457528A (en) 1964-09-02 1965-09-02 Private telephone switch connected to a telephone network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US393911A US3342934A (en) 1964-09-02 1964-09-02 Private branch exchange telephone system with dial transfer facilities
FR30238A FR1457528A (en) 1964-09-02 1965-09-02 Private telephone switch connected to a telephone network

Publications (1)

Publication Number Publication Date
FR1457528A true FR1457528A (en) 1966-01-24

Family

ID=26165887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR30238A Expired FR1457528A (en) 1964-09-02 1965-09-02 Private telephone switch connected to a telephone network

Country Status (1)

Country Link
FR (1) FR1457528A (en)

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