JPH0124384B2 - - Google Patents

Info

Publication number
JPH0124384B2
JPH0124384B2 JP55018555A JP1855580A JPH0124384B2 JP H0124384 B2 JPH0124384 B2 JP H0124384B2 JP 55018555 A JP55018555 A JP 55018555A JP 1855580 A JP1855580 A JP 1855580A JP H0124384 B2 JPH0124384 B2 JP H0124384B2
Authority
JP
Japan
Prior art keywords
circuit
png
pseudo
signal
output
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
JP55018555A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56116356A (en
Inventor
Norio Seki
Haruo Sakaguchi
Shu Yamamoto
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP1855580A priority Critical patent/JPS56116356A/ja
Publication of JPS56116356A publication Critical patent/JPS56116356A/ja
Publication of JPH0124384B2 publication Critical patent/JPH0124384B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
JP1855580A 1980-02-19 1980-02-19 Digital signal modulation system Granted JPS56116356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1855580A JPS56116356A (en) 1980-02-19 1980-02-19 Digital signal modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1855580A JPS56116356A (en) 1980-02-19 1980-02-19 Digital signal modulation system

Publications (2)

Publication Number Publication Date
JPS56116356A JPS56116356A (en) 1981-09-12
JPH0124384B2 true JPH0124384B2 (en, 2012) 1989-05-11

Family

ID=11974866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1855580A Granted JPS56116356A (en) 1980-02-19 1980-02-19 Digital signal modulation system

Country Status (1)

Country Link
JP (1) JPS56116356A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822489U (ja) * 1981-08-03 1983-02-12 三菱電機株式会社 ポンプ装置
JPS58209249A (ja) * 1982-05-31 1983-12-06 Nippon Telegr & Teleph Corp <Ntt> デイジタル中継伝送路の監視方式

Also Published As

Publication number Publication date
JPS56116356A (en) 1981-09-12

Similar Documents

Publication Publication Date Title
US3596245A (en) Data link test method and apparatus
US3902161A (en) Digital synchronizer system for remotely synchronizing operation of multiple energy sources and the like
JPH0687553B2 (ja) デジタル信号―伝送区間の少なくとも２つの伝送セクションの品質監視方法及びこの方法を実施する装置
JPS5523612A (en) Detection system of faulty position of optical fiber transmission system
GB1481849A (en) Digital code transmission systems
JPS6336589B2 (en, 2012)
JPH02220527A (ja) デジタル使用信号を伝送するための伝送区間における順次に続く少なくとも２つの伝送部分区間の個別の監視方法及び装置
JPH0124384B2 (en, 2012)
US5271035A (en) Repeater supervision
EP0208558B1 (en) A cmi signal transmission system
JP3107994B2 (ja) 遠隔計測通信装置
US5222102A (en) Digital phased locked loop apparatus for bipolar transmission systems
JPS6130778B2 (en, 2012)
CA2088210A1 (en) Procedure for synchronizing circuit elements of a telecommunications system
GB2243056A (en) Repeater supervision
JPS6346624B2 (en, 2012)
JPS6364931B2 (en, 2012)
JPH0150149B2 (en, 2012)
GB2217944A (en) &#34;Optical repeater supervisory system&#34;
JPS6239581B2 (en, 2012)
SU1478357A1 (ru) Цифрова радиорелейна система передачи
SU1241494A1 (ru) Устройство телеконтрол линейных трактов цифровых систем передачи
SU1453603A1 (ru) Система дл телеконтрол промежуточных станций линий св зи
JPS59134948A (ja) デイジタル中継器の監視方式
GB2265012A (en) Measuring the propagation delay of a communications network