GB1010526A - Improvements in or relating to telephone subscriber-circuit arrangements - Google Patents

Improvements in or relating to telephone subscriber-circuit arrangements

Info

Publication number
GB1010526A
GB1010526A GB2143263A GB2143263A GB1010526A GB 1010526 A GB1010526 A GB 1010526A GB 2143263 A GB2143263 A GB 2143263A GB 2143263 A GB2143263 A GB 2143263A GB 1010526 A GB1010526 A GB 1010526A
Authority
GB
United Kingdom
Prior art keywords
relating
circuit arrangements
telephone subscriber
linear resistor
parallel
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
GB2143263A
Other languages
English (en)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB1010526A publication Critical patent/GB1010526A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB2143263A 1962-05-30 1963-05-29 Improvements in or relating to telephone subscriber-circuit arrangements Expired GB1010526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES79696A DE1165670B (de) 1962-05-30 1962-05-30 Schaltungsanordnung zum automatischen ausregeln des Daempfungsunterschiedes verschiedener Fernsprechteilnehmeranschluesse

Publications (1)

Publication Number Publication Date
GB1010526A true GB1010526A (en) 1965-11-17

Family

ID=7508380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2143263A Expired GB1010526A (en) 1962-05-30 1963-05-29 Improvements in or relating to telephone subscriber-circuit arrangements

Country Status (6)

Country Link
BE (1) BE633073A (enrdf_load_stackoverflow)
CH (1) CH401164A (enrdf_load_stackoverflow)
DE (1) DE1165670B (enrdf_load_stackoverflow)
FI (1) FI40475B (enrdf_load_stackoverflow)
GB (1) GB1010526A (enrdf_load_stackoverflow)
SE (1) SE311030B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
SE311030B (enrdf_load_stackoverflow) 1969-05-27
BE633073A (enrdf_load_stackoverflow)
DE1165670B (de) 1964-03-19
CH401164A (de) 1965-10-31
FI40475B (enrdf_load_stackoverflow) 1968-10-31

Similar Documents

Publication Publication Date Title
GB853910A (en) Improvements in and relating to electrical devices for recoding digital data
GB948241A (en) A circuit arrangement including a telephone instrument
GB1010526A (en) Improvements in or relating to telephone subscriber-circuit arrangements
ES384624A1 (es) Un circuito de conversion de dos a cuatro hilos, para un centro de conmutacion de datos.
CH354125A (de) Schaltungsanordnung zur Regelung des Stromes auf Leitungen in Fernmeldevorzugsweise Fernsprechanlagen mit Tastenwahl
GB1237807A (en) Circuit arrangement for a telephone subscriber station
GB829307A (en) A negative impedance amplifier with separate input and output particularly for telephone systems
GB1239537A (enrdf_load_stackoverflow)
GB773850A (en) Improvements in or relating to telephone set circuits
GB1029569A (en) Transistor amplifier
GB1405166A (en) Telephone coupler
GB1499961A (en) Telephone exchanges with protective arrangements for the switching network
GB965027A (en) Intelligence transmission systems
GB1302534A (enrdf_load_stackoverflow)
GB1210152A (en) Hybrid unit
GB1233980A (enrdf_load_stackoverflow)
GB805726A (en) Improvements in or relating to circuit arrangements for automatically regulating sidetone damping in telephone stations
GB778756A (en) Improvements in or relating to telephone subscribers' instruments
GB863642A (en) Improvements in or relating to telephone sub-sets
AU244666B2 (en) Improvements relating to telephone system substation circuits and to tone current generating oscillators suitable for use in such circuits
GB824236A (en) Improvements in or relating to telephone apparatus
GB841572A (en) Improvements relating to electric distribution systems
SE325058B (enrdf_load_stackoverflow)
GB976179A (en) Improvements in and relating to loudspeaking telephone systems and apparatus
GB1004854A (en) Improvements in or relating to loudspeaking telephone apparatus