GB347265A - Improvements in or relating to telegraph transmission systems - Google Patents

Improvements in or relating to telegraph transmission systems

Info

Publication number
GB347265A
GB347265A GB2524/30A GB252430A GB347265A GB 347265 A GB347265 A GB 347265A GB 2524/30 A GB2524/30 A GB 2524/30A GB 252430 A GB252430 A GB 252430A GB 347265 A GB347265 A GB 347265A
Authority
GB
United Kingdom
Prior art keywords
frequency
band
carrier
transmitters
dot
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
GB2524/30A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to BE376154D priority Critical patent/BE376154A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2524/30A priority patent/GB347265A/en
Priority to DE1930577155D priority patent/DE577155C/de
Priority to US505075A priority patent/US1931038A/en
Publication of GB347265A publication Critical patent/GB347265A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB2524/30A 1930-01-24 1930-01-24 Improvements in or relating to telegraph transmission systems Expired GB347265A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE376154D BE376154A (en(2012)) 1930-01-24
GB2524/30A GB347265A (en) 1930-01-24 1930-01-24 Improvements in or relating to telegraph transmission systems
DE1930577155D DE577155C (de) 1930-01-24 1930-11-19 Telegrafenanlage mit Gleichstrom- oder Traegerfrequenzbetrieb
US505075A US1931038A (en) 1930-01-24 1930-12-27 Telegraph system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2524/30A GB347265A (en) 1930-01-24 1930-01-24 Improvements in or relating to telegraph transmission systems

Publications (1)

Publication Number Publication Date
GB347265A true GB347265A (en) 1931-04-24

Family

ID=9741065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2524/30A Expired GB347265A (en) 1930-01-24 1930-01-24 Improvements in or relating to telegraph transmission systems

Country Status (4)

Country Link
US (1) US1931038A (en(2012))
BE (1) BE376154A (en(2012))
DE (1) DE577155C (en(2012))
GB (1) GB347265A (en(2012))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761622A (en) * 1970-11-23 1973-09-25 Us Interior Amplitude modulated telemetering system

Also Published As

Publication number Publication date
BE376154A (en(2012))
DE577155C (de) 1933-05-30
US1931038A (en) 1933-10-17

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