GB328779A - - Google Patents

Info

Publication number
GB328779A
GB328779A GB12501/29A GB1250129A GB328779A GB 328779 A GB328779 A GB 328779A GB 12501/29 A GB12501/29 A GB 12501/29A GB 1250129 A GB1250129 A GB 1250129A GB 328779 A GB328779 A GB 328779A
Authority
GB
United Kingdom
Prior art keywords
speech
auxiliary current
currents
current
during
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
GB12501/29A
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB328779A publication Critical patent/GB328779A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB12501/29A 1928-11-23 1929-04-22 Expired GB328779A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE328779T 1928-11-23

Publications (1)

Publication Number Publication Date
GB328779A true GB328779A (enrdf_load_stackoverflow) 1930-05-08

Family

ID=31894843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12501/29A Expired GB328779A (enrdf_load_stackoverflow) 1928-11-23 1929-04-22

Country Status (3)

Country Link
BE (1) BE358613A (enrdf_load_stackoverflow)
FR (1) FR673992A (enrdf_load_stackoverflow)
GB (1) GB328779A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866053C (de) * 1936-10-15 1953-02-05 Siemens Ag Schaltungsanordnung fuer Lautfernsprechanlagen
US4852082A (en) * 1984-03-30 1989-07-25 Siemens Aktiengesellschaft Circuit arrangement for testing the operability of the data transmission facility
CN101145803B (zh) * 2007-09-06 2012-09-05 杭州华三通信技术有限公司 一种隔离回波反射的方法及设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866053C (de) * 1936-10-15 1953-02-05 Siemens Ag Schaltungsanordnung fuer Lautfernsprechanlagen
US4852082A (en) * 1984-03-30 1989-07-25 Siemens Aktiengesellschaft Circuit arrangement for testing the operability of the data transmission facility
CN101145803B (zh) * 2007-09-06 2012-09-05 杭州华三通信技术有限公司 一种隔离回波反射的方法及设备

Also Published As

Publication number Publication date
BE358613A (enrdf_load_stackoverflow)
FR673992A (fr) 1930-01-22

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