GB2222342B - Line tilt measurement system for broadcast television signals - Google Patents

Line tilt measurement system for broadcast television signals

Info

Publication number
GB2222342B
GB2222342B GB8915902A GB8915902A GB2222342B GB 2222342 B GB2222342 B GB 2222342B GB 8915902 A GB8915902 A GB 8915902A GB 8915902 A GB8915902 A GB 8915902A GB 2222342 B GB2222342 B GB 2222342B
Authority
GB
United Kingdom
Prior art keywords
measurement system
television signals
broadcast television
tilt measurement
line tilt
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
GB8915902A
Other versions
GB8915902D0 (en
GB2222342A (en
Inventor
Adrian Paul Robinson
Simon Richard Shuttleworth
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB8915902D0 publication Critical patent/GB8915902D0/en
Publication of GB2222342A publication Critical patent/GB2222342A/en
Application granted granted Critical
Publication of GB2222342B publication Critical patent/GB2222342B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB8915902A 1988-07-12 1989-07-11 Line tilt measurement system for broadcast television signals Expired - Fee Related GB2222342B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888816500A GB8816500D0 (en) 1988-07-12 1988-07-12 Descrambling & line tilt measurement systems for broadcast television signals

Publications (3)

Publication Number Publication Date
GB8915902D0 GB8915902D0 (en) 1989-08-31
GB2222342A GB2222342A (en) 1990-02-28
GB2222342B true GB2222342B (en) 1992-06-10

Family

ID=10640266

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888816500A Pending GB8816500D0 (en) 1988-07-12 1988-07-12 Descrambling & line tilt measurement systems for broadcast television signals
GB8915902A Expired - Fee Related GB2222342B (en) 1988-07-12 1989-07-11 Line tilt measurement system for broadcast television signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888816500A Pending GB8816500D0 (en) 1988-07-12 1988-07-12 Descrambling & line tilt measurement systems for broadcast television signals

Country Status (1)

Country Link
GB (2) GB8816500D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92543C (en) * 1992-10-30 1994-11-25 Salon Televisiotehdas Oy System for encoding a video image
GB0031771D0 (en) 2000-12-29 2001-02-07 Lsi Logic Corp Bit reduction using dither,rounding and error feedback

Also Published As

Publication number Publication date
GB8915902D0 (en) 1989-08-31
GB8816500D0 (en) 1988-08-17
GB2222342A (en) 1990-02-28

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Legal Events

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

Effective date: 19970711