FR1476202A - Improvements to private telephone exchanges - Google Patents

Improvements to private telephone exchanges

Info

Publication number
FR1476202A
FR1476202A FR57788A FR57788A FR1476202A FR 1476202 A FR1476202 A FR 1476202A FR 57788 A FR57788 A FR 57788A FR 57788 A FR57788 A FR 57788A FR 1476202 A FR1476202 A FR 1476202A
Authority
FR
France
Prior art keywords
private telephone
telephone exchanges
exchanges
private
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
FR57788A
Other languages
French (fr)
Inventor
Hoeckley Oden
Herbert Siegel
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
Priority to FR57788A priority Critical patent/FR1476202A/en
Application granted granted Critical
Publication of FR1476202A publication Critical patent/FR1476202A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
FR57788A 1965-04-15 1966-04-15 Improvements to private telephone exchanges Expired FR1476202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR57788A FR1476202A (en) 1965-04-15 1966-04-15 Improvements to private telephone exchanges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEST023698 1965-04-15
FR57788A FR1476202A (en) 1965-04-15 1966-04-15 Improvements to private telephone exchanges

Publications (1)

Publication Number Publication Date
FR1476202A true FR1476202A (en) 1967-04-07

Family

ID=25994323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57788A Expired FR1476202A (en) 1965-04-15 1966-04-15 Improvements to private telephone exchanges

Country Status (1)

Country Link
FR (1) FR1476202A (en)

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