公开(公告)号：FR2513463A1

公开(公告)日：1983-03-25

申请号：FR8215902

申请日：1982-09-21

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03H17/00 ,  H03H21/00 ,  H04N9/78 ,  H04N5/48 ,  H04N9/02

Abstract: A separating filter includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub-carrier frequency, a first circuit supplied with the output of the band pass filter for generating first and second signals having the same phase but different time relationship, and a second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing the signal that has a level nearer the reference level.

公开(公告)号：CA1187599A

公开(公告)日：1985-05-21

申请号：CA411614

申请日：1982-09-16

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03H17/00 ,  H03H21/00 ,  H04N9/78 ,  H04N9/12

Abstract: A separating filter is disclosed, which includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub -carrier frequency, first circuit supplied with the output of the band pass filter, for generating first and second signals having the same phase but different time relationship, and second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing one of both signals which has a level nearer to the reference level.

公开(公告)号：DE2601362A1

公开(公告)日：1976-07-22

申请号：DE2601362

申请日：1976-01-15

Applicant: SONY CORP

Inventor： SAHARA HIROSHI ,  TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03D3/08 ,  H03D3/10 ,  H04N9/64 ,  H04N11/18 ,  H03D3/06 ,  H04N9/50

公开(公告)号：FR2513463B1

公开(公告)日：1987-04-24

申请号：FR8215902

申请日：1982-09-21

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03H17/00 ,  H03H21/00 ,  H04N9/78 ,  H04N5/48 ,  H04N9/02

Abstract: A separating filter includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub-carrier frequency, a first circuit supplied with the output of the band pass filter for generating first and second signals having the same phase but different time relationship, and a second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing the signal that has a level nearer the reference level.

公开(公告)号：FR2489633B1

公开(公告)日：1985-12-27

申请号：FR8116589

申请日：1981-08-31

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H04N5/21 ,  G09G1/14 ,  H04N5/14

Abstract: A flicker preventing circuit for a television receiver is disclosed which includes a first delay line for delaying an input video signal by one horizontal sweep period and producing a first delayed signal, a second delay line for delaying the input video signal by two horizontal periods and producing a second delayed signal, a switching circuit for selecting either the input video signal or the second delayed signal, the switching circuit being switched alternately according to which of the even and odd interlaced fields, respectively, is being displayed, an adder for adding the output signal from the switching circuit and the first delayed signal each other, and a level changing circuit for changing the level of either the input video signal or the second delayed signal relative to the level of the first delayed signal.

公开(公告)号：GB2109190B

公开(公告)日：1985-11-13

申请号：GB8226406

申请日：1982-09-16

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03H17/00 ,  H03H21/00 ,  H04N9/78 ,  H04N9/38

Abstract: A separating filter includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub-carrier frequency, a first circuit supplied with the output of the band pass filter for generating first and second signals having the same phase but different time relationship, and a second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing the signal that has a level nearer the reference level.

公开(公告)号：FR2489633A1

公开(公告)日：1982-03-05

申请号：FR8116589

申请日：1981-08-31

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H04N5/21 ,  G09G1/14 ,  H04N5/14

Abstract: A flicker preventing circuit for a television receiver is disclosed which includes a first delay line for delaying an input video signal by one horizontal sweep period and producing a first delayed signal, a second delay line for delaying the input video signal by two horizontal periods and producing a second delayed signal, a switching circuit for selecting either the input video signal or the second delayed signal, the switching circuit being switched alternately according to which of the even and odd interlaced fields, respectively, is being displayed, an adder for adding the output signal from the switching circuit and the first delayed signal each other, and a level changing circuit for changing the level of either the input video signal or the second delayed signal relative to the level of the first delayed signal.

公开(公告)号：EP1662474A4

公开(公告)日：2011-06-15

申请号：EP05766222

申请日：2005-07-15

Applicant: SONY CORP

Inventor： YANO TOMOYA ,  SHIROCHI YOSHIKI ,  ISOBE TOSHINOBU ,  IIDA MAKIO

IPC: G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3611 ,  G09G3/2018 ,  G09G3/2051 ,  G09G3/2055 ,  G09G3/3607 ,  G09G3/3696 ,  G09G2320/0242 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/028 ,  G09G2320/0613 ,  G09G2320/0673

公开(公告)号：CA1175947A

公开(公告)日：1984-10-09

申请号：CA384735

申请日：1981-08-27

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H04N5/21 ,  G09G1/14 ,  H04N5/14 ,  H04N5/44

Abstract: A flicker preventing circuit is disclosed which includes a first delay line for delaying an input video signal by one horizontal period and for producing a first delayed signal, a second delay line for delaying the input video signal by two horizontal periods and for producing a second delayed signal, a switching circuit for selecting one of the input video signal and the second delayed signals, the switching circuit being switched alternatively at every field period, an adder for adding the output signal from the switching circuit and the first delayed signal each other, and level changing circuit for changing the level of one of the input video signal and the second delayed signal different from the level of the first delayed signal.

公开(公告)号：GB2109190A

公开(公告)日：1983-05-25

申请号：GB8226406

申请日：1982-09-16

Applicant: SONY CORP

Inventor： TANAKA YUTAKA ,  ISOBE TOSHINOBU

IPC: H03H17/00 ,  H03H21/00 ,  H04N9/78 ,  H04N9/38

Abstract: A separating filter includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub-carrier frequency, a first circuit supplied with the output of the band pass filter for generating first and second signals having the same phase but different time relationship, and a second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing the signal that has a level nearer the reference level.