GB2028064B - Narrow band transmission system and method - Google Patents

Narrow band transmission system and method

Info

Publication number
GB2028064B
GB2028064B GB7832221A GB7832221A GB2028064B GB 2028064 B GB2028064 B GB 2028064B GB 7832221 A GB7832221 A GB 7832221A GB 7832221 A GB7832221 A GB 7832221A GB 2028064 B GB2028064 B GB 2028064B
Authority
GB
United Kingdom
Prior art keywords
transmission system
narrow band
band transmission
narrow
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
GB7832221A
Other versions
GB2028064A (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.)
Miller H P
Original Assignee
Miller H P
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 Miller H P filed Critical Miller H P
Publication of GB2028064A publication Critical patent/GB2028064A/en
Application granted granted Critical
Publication of GB2028064B publication Critical patent/GB2028064B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
GB7832221A 1978-07-27 1978-08-04 Narrow band transmission system and method Expired GB2028064B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308,278A CA1103587A (en) 1978-07-27 1978-07-27 Narrow band transmission system and method

Publications (2)

Publication Number Publication Date
GB2028064A GB2028064A (en) 1980-02-27
GB2028064B true GB2028064B (en) 1982-08-18

Family

ID=4112001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7832221A Expired GB2028064B (en) 1978-07-27 1978-08-04 Narrow band transmission system and method

Country Status (4)

Country Link
CA (1) CA1103587A (en)
DE (1) DE2833810A1 (en)
FR (1) FR2433219A1 (en)
GB (1) GB2028064B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1238086A (en) * 1984-08-17 1988-06-14 Joseph P. Mcgeehan Data transmission using a transparent tone-in band system
GB8430319D0 (en) * 1984-11-30 1985-01-09 Mcgeehan J P Transmitters & systems
WO2015165074A1 (en) * 2014-04-30 2015-11-05 Abb Technology Ltd Apparatus and method for filtering noises in signal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836824A (en) * 1930-10-18 1931-12-15 Bell Telephone Labor Inc Wave transmission with narrowed bands
US1948973A (en) * 1932-06-10 1934-02-27 Bell Telephone Labor Inc Wave transmission with narrowed band
US2726283A (en) * 1949-12-31 1955-12-06 Itt Method and apparatus for reducing band requirements in transmission systems
DE965910C (en) * 1952-07-27 1957-06-27 Siemens Ag System for transmission of a wide frequency band
US3069506A (en) * 1957-09-04 1962-12-18 Ibm Consonant response in narrow band transmission

Also Published As

Publication number Publication date
GB2028064A (en) 1980-02-27
CA1103587A (en) 1981-06-23
FR2433219A1 (en) 1980-03-07
FR2433219B1 (en) 1984-08-24
DE2833810A1 (en) 1980-02-21

Similar Documents

Publication Publication Date Title
JPS54132058A (en) Transmission
GB2057821B (en) Communication method and system
GB2030425B (en) Transmission method and system for facsimile signal
JPS54147559A (en) Cooling system and its method
JPS55159658A (en) Selfflocking transmission system
JPS5579546A (en) Digital transmission system
JPS5564095A (en) Uncorker and making method thereof
DE2966593D1 (en) Transmission
GB2022168B (en) Pipeburying underwater-trenching apparatus and method
JPS54139305A (en) Radiotelephony communication method and system
GB2024964B (en) Steplessly-variable transmission
IL59858A0 (en) Irrigation means and method
GB2028064B (en) Narrow band transmission system and method
JPS55159659A (en) Selffclocking transmission system
GB2030511B (en) Pupe making apparatus and method
JPS54159551A (en) Vvshaped transmission belt and its manufacturing method
EG13551A (en) Narrow band transmission system and method
IL55247A0 (en) Narrow band transmission system and method
JPS5521082A (en) Narrow band transmission and apparatus therefor
JPS5552658A (en) Transmission system
GB2035011B (en) Radio communication system and method
JPS54153957A (en) Transmission
JPS54113205A (en) Communication transmitting device and method
JPS54120053A (en) Helmet and making method thereof
JPS555304A (en) Method and device for automatically fitting band

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee