DE2404663A1 - - Google Patents

Info

Publication number
DE2404663A1
DE2404663A1 DE19742404663 DE2404663A DE2404663A1 DE 2404663 A1 DE2404663 A1 DE 2404663A1 DE 19742404663 DE19742404663 DE 19742404663 DE 2404663 A DE2404663 A DE 2404663A DE 2404663 A1 DE2404663 A1 DE 2404663A1
Authority
DE
Germany
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
DE19742404663
Other languages
German (de)
Other versions
DE2404663C2 (en
DE2404663B1 (en
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 filed Critical
Priority claimed from DE19742404663 external-priority patent/DE2404663C2/en
Priority to DE19742404663 priority Critical patent/DE2404663C2/en
Priority to GB54804/74A priority patent/GB1485877A/en
Priority to IL46404A priority patent/IL46404A/en
Priority to AU77145/75A priority patent/AU484425B2/en
Priority to AT0036875A priority patent/AT367550B/en
Priority to JP1119075A priority patent/JPS552107B2/ja
Priority to FR7502551A priority patent/FR2260233B1/fr
Priority to IT19653/75A priority patent/IT1031204B/en
Priority to NLAANVRAGE7501070,A priority patent/NL169130C/en
Priority to SE7501014A priority patent/SE393722B/en
Priority to BR599/75A priority patent/BR7500599A/en
Priority to BE152937A priority patent/BE825049A/en
Priority to YU00228/75A priority patent/YU36569B/en
Priority to IN868/CAL/75A priority patent/IN143373B/en
Publication of DE2404663A1 publication Critical patent/DE2404663A1/de
Publication of DE2404663B1 publication Critical patent/DE2404663B1/en
Publication of DE2404663C2 publication Critical patent/DE2404663C2/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE19742404663 1974-01-31 1974-01-31 Device for determining errors in intermediate points provided with regenerators of a transmission system operating with pulse code modulation Expired DE2404663C2 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
DE19742404663 DE2404663C2 (en) 1974-01-31 Device for determining errors in intermediate points provided with regenerators of a transmission system operating with pulse code modulation
GB54804/74A GB1485877A (en) 1974-01-31 1974-12-18 Transmission systems
IL46404A IL46404A (en) 1974-01-31 1975-01-07 Supervision of pcm repeater lines
AU77145/75A AU484425B2 (en) 1975-01-07 Improvements in or relating to transmission systems
AT0036875A AT367550B (en) 1974-01-31 1975-01-20 DEVICE FOR DETERMINING FAULTS IN INTERMEDIARIES PROVIDED WITH REGENERATORS OF A TRANSMISSION SYSTEM WORKING WITH PULSE CODE MODULATION
JP1119075A JPS552107B2 (en) 1974-01-31 1975-01-27
FR7502551A FR2260233B1 (en) 1974-01-31 1975-01-28
IT19653/75A IT1031204B (en) 1974-01-31 1975-01-28 SYSTEM FOR DETECTING FAULTS IN INTERMEDIATE STATIONS EQUIPPED WITH REGENERATORS OF A REGENERATOR SYSTEM OF A TRANSMISSION SYSTEM WORKING WITH PULSE CODE MODULATION
NLAANVRAGE7501070,A NL169130C (en) 1974-01-31 1975-01-29 DEVICE FOR DETECTING ERRORS IN AN IMPULSE CODE MODULATED SIGNAL TRANSMISSION SYSTEM.
SE7501014A SE393722B (en) 1974-01-31 1975-01-30 ERROR DETERMINATION DEVICE IN A PULSE CODE MODULATED SIGNAL TRANSMISSION SYSTEM
BR599/75A BR7500599A (en) 1974-01-31 1975-01-30 PERFECT INSTALLATION FOR CHECKING ERRORS IN INTERMEDIATE PLACES PROVIDED BY REGENERATORS OF A TRANSMISSION SYSTEM THAT OPERATES WITH PULSE CODING MODULATION
BE152937A BE825049A (en) 1974-01-31 1975-01-31 DEVICE FOR NOTIFYING FAULTS IN INTERMEDIATE STATIONS, OF A TRANSMISSION SYSTEM WITH ENDED PULSE MODULATION
YU00228/75A YU36569B (en) 1974-01-31 1975-01-31 Arrangement for faul detection in a multichannel transmission system
IN868/CAL/75A IN143373B (en) 1974-01-31 1975-04-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742404663 DE2404663C2 (en) 1974-01-31 Device for determining errors in intermediate points provided with regenerators of a transmission system operating with pulse code modulation

Publications (3)

Publication Number Publication Date
DE2404663A1 true DE2404663A1 (en) 1975-07-31
DE2404663B1 DE2404663B1 (en) 1975-07-31
DE2404663C2 DE2404663C2 (en) 1976-03-25

Family

ID=

Also Published As

Publication number Publication date
FR2260233A1 (en) 1975-08-29
GB1485877A (en) 1977-09-14
YU36569B (en) 1984-02-29
IL46404A0 (en) 1975-04-25
NL7501070A (en) 1975-08-04
IN143373B (en) 1977-11-12
SE7501014L (en) 1975-08-01
AT367550B (en) 1982-07-12
YU22875A (en) 1982-02-25
IT1031204B (en) 1979-04-30
BR7500599A (en) 1975-11-11
ATA36875A (en) 1981-11-15
NL169130B (en) 1982-01-04
JPS552107B2 (en) 1980-01-18
AU7714575A (en) 1976-07-08
JPS50110214A (en) 1975-08-30
BE825049A (en) 1975-05-15
SE393722B (en) 1977-05-16
FR2260233B1 (en) 1977-04-15
NL169130C (en) 1982-06-01
DE2404663B1 (en) 1975-07-31
IL46404A (en) 1977-03-31

Similar Documents

Publication Publication Date Title
FR2285516B1 (en)
FR2284978B1 (en)
FR2292564B2 (en)
JPS50101555A (en)
FR2262881A1 (en)
FR2264755A1 (en)
FR2273202B1 (en)
FR2472900B1 (en)
JPS50104031A (en)
FR2261681B1 (en)
FR2262215B3 (en)
FR2291325B1 (en)
JPS50100792A (en)
FR2265461A1 (en)
IN139662B (en)
JPS50103092U (en)
DE2404663A1 (en)
BG26410A1 (en)
BG21801A1 (en)
CH563201A5 (en)
CH562402A5 (en)
CH376374A4 (en)
CH35475A4 (en)
CH1283674A4 (en)
BG21563A1 (en)

Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977