GB2354411B - Digital data communication - Google Patents

Digital data communication

Info

Publication number
GB2354411B
GB2354411B GB9921951A GB9921951A GB2354411B GB 2354411 B GB2354411 B GB 2354411B GB 9921951 A GB9921951 A GB 9921951A GB 9921951 A GB9921951 A GB 9921951A GB 2354411 B GB2354411 B GB 2354411B
Authority
GB
United Kingdom
Prior art keywords
data communication
digital data
digital
communication
data
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 - Fee Related
Application number
GB9921951A
Other versions
GB2354411A (en
GB9921951D0 (en
Inventor
Derek J Love
Timothy Poole
Richard Arthur Hillum
Mark R Frost
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.)
INTEK GLOBAL TECHNOLOGIES Ltd
Securicor Wireless Technology Ltd
Original Assignee
INTEK GLOBAL TECHNOLOGIES Ltd
Securicor Wireless Technology 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 INTEK GLOBAL TECHNOLOGIES Ltd, Securicor Wireless Technology Ltd filed Critical INTEK GLOBAL TECHNOLOGIES Ltd
Priority to GB9921951A priority Critical patent/GB2354411B/en
Publication of GB9921951D0 publication Critical patent/GB9921951D0/en
Publication of GB2354411A publication Critical patent/GB2354411A/en
Application granted granted Critical
Publication of GB2354411B publication Critical patent/GB2354411B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/68—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 wholly or partially suppressing the carrier or one side band
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9921951A 1999-09-16 1999-09-16 Digital data communication Expired - Fee Related GB2354411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9921951A GB2354411B (en) 1999-09-16 1999-09-16 Digital data communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9921951A GB2354411B (en) 1999-09-16 1999-09-16 Digital data communication

Publications (3)

Publication Number Publication Date
GB9921951D0 GB9921951D0 (en) 1999-11-17
GB2354411A GB2354411A (en) 2001-03-21
GB2354411B true GB2354411B (en) 2003-11-26

Family

ID=10861064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9921951A Expired - Fee Related GB2354411B (en) 1999-09-16 1999-09-16 Digital data communication

Country Status (1)

Country Link
GB (1) GB2354411B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177876A (en) * 1985-07-08 1987-01-28 Philips Electronic Associated Radio system and a transmitter and a receiver for use in the system
EP0241122A2 (en) * 1986-02-28 1987-10-14 Btg International Limited Data transmission using a transparent tone-in band system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177876A (en) * 1985-07-08 1987-01-28 Philips Electronic Associated Radio system and a transmitter and a receiver for use in the system
EP0241122A2 (en) * 1986-02-28 1987-10-14 Btg International Limited Data transmission using a transparent tone-in band system

Also Published As

Publication number Publication date
GB2354411A (en) 2001-03-21
GB9921951D0 (en) 1999-11-17

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Legal Events

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

Effective date: 20090916