CA2241408C - Using special ntsc receiver to detect when co-channel interfering ntsc signal accompanies a digital tv signal - Google Patents

Using special ntsc receiver to detect when co-channel interfering ntsc signal accompanies a digital tv signal Download PDF

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Publication number
CA2241408C
CA2241408C CA002241408A CA2241408A CA2241408C CA 2241408 C CA2241408 C CA 2241408C CA 002241408 A CA002241408 A CA 002241408A CA 2241408 A CA2241408 A CA 2241408A CA 2241408 C CA2241408 C CA 2241408C
Authority
CA
Canada
Prior art keywords
signal
phase
circuitry
digital television
response
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
CA002241408A
Other languages
English (en)
French (fr)
Other versions
CA2241408A1 (en
Inventor
Allen Leroy Limberg
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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
Priority claimed from US08/882,540 external-priority patent/US5852476A/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CA2241408A1 publication Critical patent/CA2241408A1/en
Application granted granted Critical
Publication of CA2241408C publication Critical patent/CA2241408C/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Television Receiver Circuits (AREA)
  • Color Television Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Picture Signal Circuits (AREA)
CA002241408A 1997-06-25 1998-06-23 Using special ntsc receiver to detect when co-channel interfering ntsc signal accompanies a digital tv signal Expired - Fee Related CA2241408C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/882,540 US5852476A (en) 1997-03-21 1997-06-25 Using special NTSC receiver to detect when co-channel interfering NTSC signal accompanies a digital tv signal
US08/882,540 1997-06-25

Publications (2)

Publication Number Publication Date
CA2241408A1 CA2241408A1 (en) 1998-12-25
CA2241408C true CA2241408C (en) 2002-04-09

Family

ID=25380813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002241408A Expired - Fee Related CA2241408C (en) 1997-06-25 1998-06-23 Using special ntsc receiver to detect when co-channel interfering ntsc signal accompanies a digital tv signal

Country Status (3)

Country Link
JP (1) JP3576816B2 (ko)
KR (1) KR100274743B1 (ko)
CA (1) CA2241408C (ko)

Also Published As

Publication number Publication date
CA2241408A1 (en) 1998-12-25
JPH1175134A (ja) 1999-03-16
JP3576816B2 (ja) 2004-10-13
KR100274743B1 (ko) 2000-12-15
KR19990007349A (ko) 1999-01-25

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20100623