SE340297B - - Google Patents

Info

Publication number
SE340297B
SE340297B SE03787/70A SE378770A SE340297B SE 340297 B SE340297 B SE 340297B SE 03787/70 A SE03787/70 A SE 03787/70A SE 378770 A SE378770 A SE 378770A SE 340297 B SE340297 B SE 340297B
Authority
SE
Sweden
Application number
SE03787/70A
Inventor
C Sandberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE03787/70A priority Critical patent/SE340297B/xx
Priority to CA106535A priority patent/CA927535A/en
Priority to DE19712110719 priority patent/DE2110719A1/de
Priority to HUEI373A priority patent/HU164738B/hu
Priority to US00121922A priority patent/US3715517A/en
Priority to SU1628151A priority patent/SU370814A3/ru
Priority to NL7103265A priority patent/NL7103265A/xx
Priority to DK132271A priority patent/DK132360C/da
Priority to NO01065/71A priority patent/NO127273B/no
Priority to ES389333A priority patent/ES389333A1/es
Priority to FR7109618A priority patent/FR2084856A5/fr
Priority to PL1971146998A priority patent/PL83144B1/pl
Priority to BE764519A priority patent/BE764519A/xx
Priority to GB22997/71A priority patent/GB1293294A/en
Publication of SE340297B publication Critical patent/SE340297B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/026Arrangements for interrupting the ringing current

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cereal-Derived Products (AREA)
SE03787/70A 1970-03-19 1970-03-19 SE340297B (en, 2012)

Priority Applications (14)

Application Number Priority Date Filing Date Title
SE03787/70A SE340297B (en, 2012) 1970-03-19 1970-03-19
CA106535A CA927535A (en) 1970-03-19 1971-03-01 Tripping arrangement for ringing current signals in telephone exchanges
DE19712110719 DE2110719A1 (de) 1970-03-19 1971-03-04 Ausloesevorrichtung fuer Rufstromsignale in Telefonvermittlungen
HUEI373A HU164738B (en, 2012) 1970-03-19 1971-03-05
US00121922A US3715517A (en) 1970-03-19 1971-03-08 Tripping arrangement for ringing current signals in telephone exchanges
SU1628151A SU370814A3 (en, 2012) 1970-03-19 1971-03-09
NL7103265A NL7103265A (en, 2012) 1970-03-19 1971-03-11
DK132271A DK132360C (da) 1970-03-19 1971-03-18 Apparat i telefoncentraler til brydning af ringestromsignaler
NO01065/71A NO127273B (en, 2012) 1970-03-19 1971-03-18
ES389333A ES389333A1 (es) 1970-03-19 1971-03-18 Una disposicion de rele de una central telefonica automati-ca.
FR7109618A FR2084856A5 (en, 2012) 1970-03-19 1971-03-18
PL1971146998A PL83144B1 (en, 2012) 1970-03-19 1971-03-18
BE764519A BE764519A (fr) 1970-03-19 1971-03-19 Dispositif d'arret du courant d'appel dans un central telephonique
GB22997/71A GB1293294A (en) 1970-03-19 1971-04-19 Relay arrangements, e.g. for use in automatic telephone exchanges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE03787/70A SE340297B (en, 2012) 1970-03-19 1970-03-19

Publications (1)

Publication Number Publication Date
SE340297B true SE340297B (en, 2012) 1971-11-15

Family

ID=20262864

Family Applications (1)

Application Number Title Priority Date Filing Date
SE03787/70A SE340297B (en, 2012) 1970-03-19 1970-03-19

Country Status (14)

Country Link
US (1) US3715517A (en, 2012)
BE (1) BE764519A (en, 2012)
CA (1) CA927535A (en, 2012)
DE (1) DE2110719A1 (en, 2012)
DK (1) DK132360C (en, 2012)
ES (1) ES389333A1 (en, 2012)
FR (1) FR2084856A5 (en, 2012)
GB (1) GB1293294A (en, 2012)
HU (1) HU164738B (en, 2012)
NL (1) NL7103265A (en, 2012)
NO (1) NO127273B (en, 2012)
PL (1) PL83144B1 (en, 2012)
SE (1) SE340297B (en, 2012)
SU (1) SU370814A3 (en, 2012)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1373624A (en) * 1916-05-10 1921-04-05 Automatic Electric Co Automatic telephone system
NL267227A (en, 2012) * 1960-07-21
US3621143A (en) * 1969-04-04 1971-11-16 Lorain Prod Corp Current-controlled voltage booster for telephone systems

Also Published As

Publication number Publication date
SU370814A3 (en, 2012) 1973-02-15
DE2110719A1 (de) 1971-10-07
NL7103265A (en, 2012) 1971-09-21
HU164738B (en, 2012) 1974-04-11
CA927535A (en) 1973-05-29
FR2084856A5 (en, 2012) 1971-12-17
DK132360C (da) 1976-05-03
PL83144B1 (en, 2012) 1975-12-31
ES389333A1 (es) 1973-06-01
US3715517A (en) 1973-02-06
DK132360B (da) 1975-11-24
NO127273B (en, 2012) 1973-05-28
GB1293294A (en) 1972-10-18
BE764519A (fr) 1971-08-16

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