FR2591051B1 - METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE - Google Patents

METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE

Info

Publication number
FR2591051B1
FR2591051B1 FR8517941A FR8517941A FR2591051B1 FR 2591051 B1 FR2591051 B1 FR 2591051B1 FR 8517941 A FR8517941 A FR 8517941A FR 8517941 A FR8517941 A FR 8517941A FR 2591051 B1 FR2591051 B1 FR 2591051B1
Authority
FR
France
Prior art keywords
optimizing
telephone line
wire type
type telephone
wire
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
FR8517941A
Other languages
French (fr)
Other versions
FR2591051A1 (en
Inventor
Philippe Parment
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.)
Prescom
Original Assignee
Prescom
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 Prescom filed Critical Prescom
Priority to FR8517941A priority Critical patent/FR2591051B1/en
Publication of FR2591051A1 publication Critical patent/FR2591051A1/en
Application granted granted Critical
Publication of FR2591051B1 publication Critical patent/FR2591051B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/064—Data transmission during pauses in telephone conversation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
FR8517941A 1985-12-04 1985-12-04 METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE Expired FR2591051B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8517941A FR2591051B1 (en) 1985-12-04 1985-12-04 METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8517941A FR2591051B1 (en) 1985-12-04 1985-12-04 METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE

Publications (2)

Publication Number Publication Date
FR2591051A1 FR2591051A1 (en) 1987-06-05
FR2591051B1 true FR2591051B1 (en) 1988-10-28

Family

ID=9325434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8517941A Expired FR2591051B1 (en) 1985-12-04 1985-12-04 METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE

Country Status (1)

Country Link
FR (1) FR2591051B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2220883A (en) * 1939-07-08 1940-11-12 Bell Telephone Labor Inc Circuit controller

Also Published As

Publication number Publication date
FR2591051A1 (en) 1987-06-05

Similar Documents

Publication Publication Date Title
FR2554999B1 (en) PHOTOSENSITIVE DEVICE FOR INFRARED
FR2578266B1 (en) METHOD AND DEVICE FOR CONTROLLING A CLOSER.
FR2542652B1 (en) COUPLING DEVICE FOR MODULAR TOOLS
FR2572481B1 (en) VISCOUS FRICTION COUPLING DEVICE
FR2511530B1 (en) DISCHARGE DISPLAY DEVICE
FR2567246B1 (en) COUPLING DEVICE FOR FLEXIBLE HOSE
MA21629A1 (en) DEVICE FOR ATTACHING A WATER METER TO A BASE AND RELATED METHOD.
FR2546912B1 (en) METHOD AND DEVICE FOR PRODUCING A SINGLE CRYSTAL
FR2576919B1 (en) DEVICE FOR CONTROLLING THE SCALING OF A FLUID FLOW NETWORK
FR2515307B1 (en) LOCKING AND LOCKING DEVICE FOR REMOVABLE PIPE CONNECTION
FR2555000B1 (en) PHOTOSENSITIVE DEVICE FOR INFRARED
FR2558520B1 (en) METHOD AND DEVICE FOR INSTALLING SEALS IN A WELL
FR2541020B1 (en) METHOD AND DEVICE FOR LOCATING PEOPLE WITH A VIEW TO ESTABLISHING TELEPHONE COMMUNICATION
FR2511706B1 (en) ELECTRODEPOSITION METHOD AND DEVICE
FR2497984B1 (en) DISCHARGE DISPLAY DEVICE
FR2556909B1 (en) INTERFACE DEVICE FOR A TELEPHONE SET
FR2546313B1 (en) DEVICE FOR ORIENTATION OF A LASER RADIUS
FR2683644B1 (en) METHOD AND DEVICE FOR THE USE OF A REGULATING DEVICE.
FR2578530B1 (en) DEVICE FOR TRANSFERRING A LIQUID
FR2591051B1 (en) METHOD AND DEVICE FOR OPTIMIZING THE USE OF A 4-WIRE TYPE TELEPHONE LINE
FR2585759B1 (en) DEVICE FOR WINDING A SCREEN
IT8423104A1 (en) TELEPHONE ANSWERING DEVICE FOR USE WITH A TELEPHONE ANSWERING SYSTEM
FR2547375B1 (en) ANTIVIBRATORY COUPLING DEVICE
FR2544832B1 (en) ANTI-RETURN DEVICE FOR A WATER SUPPLY NETWORK
FR2549878B1 (en) DEVICE AND METHOD FOR FITTING UP ROOFS

Legal Events

Date Code Title Description
ST Notification of lapse