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GB2280083B - Luminance signal recording circuit and method for maintaining compatibility in reproducing between different video systems - Google Patents

Luminance signal recording circuit and method for maintaining compatibility in reproducing between different video systems

Info

Publication number
GB2280083B
GB2280083B GB9419750A GB9419750A GB2280083B GB 2280083 B GB2280083 B GB 2280083B GB 9419750 A GB9419750 A GB 9419750A GB 9419750 A GB9419750 A GB 9419750A GB 2280083 B GB2280083 B GB 2280083B
Authority
GB
United Kingdom
Prior art keywords
reproducing
luminance signal
signal recording
different video
recording circuit
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
GB9419750A
Other versions
GB9419750D0 (en
GB2280083A (en
Inventor
Yong-Je Kim
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 KR1019910012545A external-priority patent/KR930010910B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9419750D0 publication Critical patent/GB9419750D0/en
Publication of GB2280083A publication Critical patent/GB2280083A/en
Application granted granted Critical
Publication of GB2280083B publication Critical patent/GB2280083B/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
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
    • H04N9/7976—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal by spectrum folding of the high frequency components of the luminance signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
    • H04N5/9315—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal the level control being frequency dependent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • H04N9/7925—Processing of colour television signals in connection with recording for more than one processing mode for more than one standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/832—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal using an increased bandwidth for the luminance or the chrominance signal
    • H04N9/833—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal using an increased bandwidth for the luminance or the chrominance signal with selection of the conventional or the increased bandwidth signal, e.g. VHS or SVHS signal selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
GB9419750A 1990-10-31 1991-08-20 Luminance signal recording circuit and method for maintaining compatibility in reproducing between different video systems Expired - Fee Related GB2280083B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR900017584 1990-10-31
KR1019910012545A KR930010910B1 (en) 1990-10-31 1991-07-22 Luminance signal recording circuit and method for maintaining compatibility in reproduction between different image systems
GB9117950A GB2249913A (en) 1990-10-31 1991-08-20 Producing a recorded luminance signal compatible between different video recording/playback systems

Publications (3)

Publication Number Publication Date
GB9419750D0 GB9419750D0 (en) 1994-11-16
GB2280083A GB2280083A (en) 1995-01-18
GB2280083B true GB2280083B (en) 1995-04-19

Family

ID=27265832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9419750A Expired - Fee Related GB2280083B (en) 1990-10-31 1991-08-20 Luminance signal recording circuit and method for maintaining compatibility in reproducing between different video systems

Country Status (1)

Country Link
GB (1) GB2280083B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8509125B1 (en) 2009-10-16 2013-08-13 Marvell International Ltd. Method and apparatus for reducing nonlinear echo distortion in a communication device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143401A (en) * 1983-06-15 1985-02-06 Victor Company Of Japan Video signal recording and reproducing apparatus
US4831463A (en) * 1987-01-30 1989-05-16 Faroudja Y C Video processing in which high frequency luminance components are folded into a mid-band spectrum
GB2241409A (en) * 1989-12-22 1991-08-28 Samsung Electronics Co Ltd Recording colour video signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143401A (en) * 1983-06-15 1985-02-06 Victor Company Of Japan Video signal recording and reproducing apparatus
US4831463A (en) * 1987-01-30 1989-05-16 Faroudja Y C Video processing in which high frequency luminance components are folded into a mid-band spectrum
GB2241409A (en) * 1989-12-22 1991-08-28 Samsung Electronics Co Ltd Recording colour video signals

Also Published As

Publication number Publication date
GB9419750D0 (en) 1994-11-16
GB2280083A (en) 1995-01-18

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Legal Events

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

Effective date: 20090820