FR1220044A - Improvements to telecommunication systems - Google Patents

Improvements to telecommunication systems

Info

Publication number
FR1220044A
FR1220044A FR781435A FR781435A FR1220044A FR 1220044 A FR1220044 A FR 1220044A FR 781435 A FR781435 A FR 781435A FR 781435 A FR781435 A FR 781435A FR 1220044 A FR1220044 A FR 1220044A
Authority
FR
France
Prior art keywords
telecommunication systems
telecommunication
systems
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
FR781435A
Other languages
French (fr)
Inventor
Peter Norman
Peter James Howard
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1220044A publication Critical patent/FR1220044A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/10Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Emergency Alarm Devices (AREA)
FR781435A 1957-12-13 1958-12-11 Improvements to telecommunication systems Expired FR1220044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3884257A GB821794A (en) 1957-12-13 1957-12-13 Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems

Publications (1)

Publication Number Publication Date
FR1220044A true FR1220044A (en) 1960-05-20

Family

ID=10406022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781435A Expired FR1220044A (en) 1957-12-13 1958-12-11 Improvements to telecommunication systems

Country Status (4)

Country Link
BE (1) BE573808A (en)
DE (1) DE1068305B (en)
FR (1) FR1220044A (en)
GB (1) GB821794A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL151874B (en) * 1970-03-13 1976-12-15 Nederlanden Staat CONNECTION SYSTEM FOR TRANSFERRING A BROADBAND SIGNAL FROM A TRANSMITTER TO A RECEIVER.
NL7807171A (en) * 1978-06-30 1980-01-03 Philips Nv RECEIVER FOR DIGITAL SIGNALS IN LINE CODE.

Also Published As

Publication number Publication date
DE1068305B (en)
BE573808A (en) 1959-06-12
GB821794A (en) 1959-10-14

Similar Documents

Publication Publication Date Title
FR1204127A (en) Improvements to automatic telephone systems
BE611283A (en) Improvements to telephone systems
FR1130220A (en) Improvements to telephone systems
FR1187979A (en) Improvements to telephone systems
FR1185228A (en) Improvements to damping systems
FR1169671A (en) Improvements to telephone communications systems
FR1220044A (en) Improvements to telecommunication systems
FR1210986A (en) Improvements to telephone systems
FR1200298A (en) Improvements to automatic telephone systems
FR1225675A (en) Improvements to cathode systems
FR1164689A (en) Improvements to pumping systems
FR1208212A (en) Improvements to telephone systems
FR1178039A (en) Improvements to telephone systems
FR79607E (en) Improvements to telephone systems
FR1166175A (en) Improvements to telephone transmission systems
FR1228160A (en) Improvements to pseudo-stereophonic systems
FR72753E (en) Improvements to automatic telephone systems
FR1190081A (en) Improvements to automatic telephone systems
FR1164383A (en) Improvements to automatic telephone systems
FR1165321A (en) Improvements to transmission systems
FR1148202A (en) Improvements to telephone systems
FR1301607A (en) Improvements to telecommunication systems
FR1283376A (en) Improvements to telecommunication systems
FR74530E (en) Improvements to telephone systems
FR1179078A (en) Improvements to connecting rod-crank systems