FR1368668A - Automatic private telephone switchboard - Google Patents

Automatic private telephone switchboard

Info

Publication number
FR1368668A
FR1368668A FR947236A FR947236A FR1368668A FR 1368668 A FR1368668 A FR 1368668A FR 947236 A FR947236 A FR 947236A FR 947236 A FR947236 A FR 947236A FR 1368668 A FR1368668 A FR 1368668A
Authority
FR
France
Prior art keywords
private telephone
telephone switchboard
automatic private
automatic
switchboard
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
FR947236A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 to NL297708D priority Critical patent/NL297708A/xx
Priority to BE637196D priority patent/BE637196A/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR947236A priority patent/FR1368668A/en
Application granted granted Critical
Publication of FR1368668A publication Critical patent/FR1368668A/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
    • 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
FR947236A 1963-09-11 1963-09-11 Automatic private telephone switchboard Expired FR1368668A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL297708D NL297708A (en) 1963-09-11
BE637196D BE637196A (en) 1963-09-11
FR947236A FR1368668A (en) 1963-09-11 1963-09-11 Automatic private telephone switchboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR947236A FR1368668A (en) 1963-09-11 1963-09-11 Automatic private telephone switchboard

Publications (1)

Publication Number Publication Date
FR1368668A true FR1368668A (en) 1964-07-31

Family

ID=8812178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947236A Expired FR1368668A (en) 1963-09-11 1963-09-11 Automatic private telephone switchboard

Country Status (3)

Country Link
BE (1) BE637196A (en)
FR (1) FR1368668A (en)
NL (1) NL297708A (en)

Also Published As

Publication number Publication date
NL297708A (en)
BE637196A (en)

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