JPS5444431A - Generator for chroma carrier signal - Google Patents

Generator for chroma carrier signal

Info

Publication number
JPS5444431A
JPS5444431A JP11099277A JP11099277A JPS5444431A JP S5444431 A JPS5444431 A JP S5444431A JP 11099277 A JP11099277 A JP 11099277A JP 11099277 A JP11099277 A JP 11099277A JP S5444431 A JPS5444431 A JP S5444431A
Authority
JP
Japan
Prior art keywords
signal
frequency
horizontal synchronizing
equation
chroma carrier
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.)
Pending
Application number
JP11099277A
Other languages
Japanese (ja)
Inventor
Shinji Kaneko
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP11099277A priority Critical patent/JPS5444431A/en
Publication of JPS5444431A publication Critical patent/JPS5444431A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable to obtain most suited chroma carrier wave signal as the clock signal of TBC, by performing the digital phase modulation to the signal obtained with automatic frequency control to horizontal synchronizing signal.
CONSTITUTION: When the reproduced video signal is PAL system, the carrier frequency fsc of the chroma carrier signal Pc is expressed in equation-(1) (where fH and fV are respectively horizontal and vertical synchronizing frequency.). The horizontal synchronizing signal in the reproduced synthesizing video signal of PAL system from VTR is performed for automatic frequency control 2 via the first signal input terminal 1, outputting the signal of which frequency is N1. fH(N1 is an arbitrary integer), and the signal in fequency N1/N3.fH obtained from the second frequency division circuit 4 is digitally phase modulated 6, and it is synthesized 7 with the signal obtained from the first frequency division circuit 3, is fed to the exclusive logical sum circuit 9, the phase is inverted in response with the signal in frequency 1/2 fv from the second signal input terminal 8, and the signal fc in frequency fsc having the jitter component following up the jitter component of the input horizontal synchronizing signal and shown in equation (1) can be obtained at the output terminal 10.
COPYRIGHT: (C)1979,JPO&Japio
JP11099277A 1977-09-14 1977-09-14 Generator for chroma carrier signal Pending JPS5444431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11099277A JPS5444431A (en) 1977-09-14 1977-09-14 Generator for chroma carrier signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11099277A JPS5444431A (en) 1977-09-14 1977-09-14 Generator for chroma carrier signal

Publications (1)

Publication Number Publication Date
JPS5444431A true JPS5444431A (en) 1979-04-07

Family

ID=14549646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11099277A Pending JPS5444431A (en) 1977-09-14 1977-09-14 Generator for chroma carrier signal

Country Status (1)

Country Link
JP (1) JPS5444431A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104329A1 (en) * 1990-02-13 1991-08-22 Matsushita Electric Industrial Co Ltd PULSE SIGNAL DELAY DEVICE, PULSE SIGNAL PHASE DETECTOR AND CLOCK GENERATOR USING THE DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104329A1 (en) * 1990-02-13 1991-08-22 Matsushita Electric Industrial Co Ltd PULSE SIGNAL DELAY DEVICE, PULSE SIGNAL PHASE DETECTOR AND CLOCK GENERATOR USING THE DEVICE
US5179438A (en) * 1990-02-13 1993-01-12 Matsushita Electric Industrial Co., Ltd. Pulse signal delay device, and pulse signal phase detector and clock generator using the device

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