FR1427295A - Improvements to information transmission systems - Google Patents

Improvements to information transmission systems

Info

Publication number
FR1427295A
FR1427295A FR5019A FR5019A FR1427295A FR 1427295 A FR1427295 A FR 1427295A FR 5019 A FR5019 A FR 5019A FR 5019 A FR5019 A FR 5019A FR 1427295 A FR1427295 A FR 1427295A
Authority
FR
France
Prior art keywords
information transmission
transmission systems
systems
information
transmission
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
FR5019A
Other languages
French (fr)
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of FR1427295A publication Critical patent/FR1427295A/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
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
FR5019A 1964-02-10 1965-02-10 Improvements to information transmission systems Expired FR1427295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB544564A GB1027108A (en) 1964-02-10 1964-02-10 Improvements relating to data transmission systems

Publications (1)

Publication Number Publication Date
FR1427295A true FR1427295A (en) 1966-04-20

Family

ID=9796331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR5019A Expired FR1427295A (en) 1964-02-10 1965-02-10 Improvements to information transmission systems

Country Status (2)

Country Link
FR (1) FR1427295A (en)
GB (1) GB1027108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277471A1 (en) * 1987-02-05 1988-08-10 Alcatel Bell-Sdt S.A. Method for the detection and correction of transmission errors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002633A1 (en) * 1981-01-29 1982-08-05 Wilkinson Robert Graham High frequency communications

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277471A1 (en) * 1987-02-05 1988-08-10 Alcatel Bell-Sdt S.A. Method for the detection and correction of transmission errors

Also Published As

Publication number Publication date
GB1027108A (en) 1966-04-20

Similar Documents

Publication Publication Date Title
FR1495797A (en) Improvements to display systems
FR1436419A (en) Information transmission devices
FR1436343A (en) Information reading system
CH420259A (en) Information transmission system
FR1415096A (en) Improvements to recording systems
FR1395396A (en) Secure digital information transmission system
FR1443431A (en) Digital information transmission system
FR1454430A (en) Security information transmission system
FR1427947A (en) Improvements to projection systems
FR1427295A (en) Improvements to information transmission systems
FR1504524A (en) Improvements to coded information transmission systems
FR1364472A (en) Improvements to information transmission systems
FR1433854A (en) Improvements to information transmission systems
FR1415545A (en) Information transmission system
FR88109E (en) Improvements to information transmission systems
FR87962E (en) Improvements to information transmission systems
FR1431957A (en) Improvements to operations control systems
FR1375766A (en) Improvement in information transmission systems
FR86866E (en) Improvements to information transmission systems
FR1348372A (en) Improvements to information transmission systems
FR1344989A (en) Improvements to information transmission systems
FR1505338A (en) Improvements to cyclic coded information transmission systems
FR1522374A (en) Improvements to digital information transmission systems
FR1423156A (en) Improvements to information storage systems
FR1440209A (en) Improvements to information processing systems