FR904747A - Subscriber line circuits for telecommunications systems - Google Patents

Subscriber line circuits for telecommunications systems

Info

Publication number
FR904747A
FR904747A FR904747DA FR904747A FR 904747 A FR904747 A FR 904747A FR 904747D A FR904747D A FR 904747DA FR 904747 A FR904747 A FR 904747A
Authority
FR
France
Prior art keywords
subscriber line
telecommunications systems
line circuits
circuits
telecommunications
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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR904747A publication Critical patent/FR904747A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR904747D 1943-05-31 1944-05-27 Subscriber line circuits for telecommunications systems Expired FR904747A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL641819X 1943-05-31
NL904747X 1943-05-31
NL249755X 1943-05-31

Publications (1)

Publication Number Publication Date
FR904747A true FR904747A (en) 1945-11-14

Family

ID=27351272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904747D Expired FR904747A (en) 1943-05-31 1944-05-27 Subscriber line circuits for telecommunications systems

Country Status (2)

Country Link
FR (1) FR904747A (en)
GB (1) GB641819A (en)

Also Published As

Publication number Publication date
GB641819A (en) 1950-08-23

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