FR2203234A1 - - Google Patents

Info

Publication number
FR2203234A1
FR2203234A1 FR7336317A FR7336317A FR2203234A1 FR 2203234 A1 FR2203234 A1 FR 2203234A1 FR 7336317 A FR7336317 A FR 7336317A FR 7336317 A FR7336317 A FR 7336317A FR 2203234 A1 FR2203234 A1 FR 2203234A1
Authority
FR
France
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.)
Granted
Application number
FR7336317A
Other versions
FR2203234B3 (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.)
WIKHOLM ILMAR
Original Assignee
WIKHOLM ILMAR
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 WIKHOLM ILMAR filed Critical WIKHOLM ILMAR
Publication of FR2203234A1 publication Critical patent/FR2203234A1/fr
Application granted granted Critical
Publication of FR2203234B3 publication Critical patent/FR2203234B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301—Circuit arrangements at the subscriber's side of the line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR7336317A 1972-10-12 1973-10-11 Expired FR2203234B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29698172A 1972-10-12 1972-10-12

Publications (2)

Publication Number Publication Date
FR2203234A1 true FR2203234A1 (fr) 1974-05-10
FR2203234B3 FR2203234B3 (fr) 1976-09-03

Family

ID=23144371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336317A Expired FR2203234B3 (fr) 1972-10-12 1973-10-11

Country Status (6)

Country Link
US (1) US3766336A (fr)
JP (1) JPS4994203A (fr)
AU (1) AU6155373A (fr)
BR (1) BR7307907D0 (fr)
CA (1) CA980030A (fr)
FR (1) FR2203234B3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843848A (en) * 1973-01-12 1974-10-22 Magnetic Controls Co Telephone looptest system
US3852537A (en) * 1973-02-22 1974-12-03 San Bar Corp Telephone station disconnect device
US3867588A (en) * 1973-06-01 1975-02-18 Terra Corp Quick disconnect for telecommunication lines
US3889070A (en) * 1973-06-04 1975-06-10 Telephonic Equipment Company Tone detecting telephone connection monitor
US4041255A (en) * 1976-09-29 1977-08-09 Northern Telecom Limited Switching circuit for telecommunications lines
US4054759A (en) * 1976-11-15 1977-10-18 Northern Telecom Limited Subscriber loop verification device and method
US4169220A (en) * 1978-10-02 1979-09-25 Fields Gary C Telephone instrument connection block with remotely actuated line test
US4558182A (en) * 1983-08-01 1985-12-10 Keptel, Inc. Remotely-activated switching apparatus
US4536617A (en) * 1983-08-01 1985-08-20 Keptel, Inc. Remotely-activated switching apparatus
US4550225A (en) * 1983-10-31 1985-10-29 Keptel, Inc. AC Signal-activated switching apparatus
GB2149616B (en) * 1983-11-10 1987-10-07 Standard Telephones Cables Ltd Testing telephone lines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636280A (en) * 1970-09-17 1972-01-18 Gen Telephone Co Of California Telephone line testing from remote locations
US3725613A (en) * 1971-02-25 1973-04-03 Rochester Tel Corp Apparatus for protecting and testing telephone network

Also Published As

Publication number Publication date
BR7307907D0 (pt) 1974-07-11
FR2203234B3 (fr) 1976-09-03
US3766336A (en) 1973-10-16
JPS4994203A (fr) 1974-09-06
AU6155373A (en) 1975-04-24
CA980030A (en) 1975-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse