JPS5620392A - Synchronizing signal interpolator - Google Patents

Synchronizing signal interpolator

Info

Publication number
JPS5620392A
JPS5620392A JP9501879A JP9501879A JPS5620392A JP S5620392 A JPS5620392 A JP S5620392A JP 9501879 A JP9501879 A JP 9501879A JP 9501879 A JP9501879 A JP 9501879A JP S5620392 A JPS5620392 A JP S5620392A
Authority
JP
Japan
Prior art keywords
circuit
output
phase
skew
distortion
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
JP9501879A
Other languages
Japanese (ja)
Inventor
Yoshizumi Wataya
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9501879A priority Critical patent/JPS5620392A/en
Publication of JPS5620392A publication Critical patent/JPS5620392A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/95—Time-base error compensation

Abstract

PURPOSE:To simplify a circuit by providing a phase modulating circuit that modulates the output signal phase of VCO equivalently by discriminating the level of the output signal of a waveform shaping circuit on the basis of the output voltage of a skew-distortion detecting circuit. CONSTITUTION:Phase modulating circuit 7 generates an output of H when the potential of output (c) of waveform shaping circuit 5 is higher than that of output (j) of skew-distortion detecting circuit 6 and also generates an output of L when lower. Further, this output phase is modulated in accordance with the output voltage of circuit 6. In this case, linearity between skew distortion and phase shifting depends upon the inclination of signal (c), but since the output voltage of phase detector 3 based upon the inclination of signal (c) is held in detection itself for the skew distortion, it is unrelated to the inclination of singal (c). Therefore, the need for a linearity correcting circuit is eliminated. Further, since the skew distortion corresponds to phase modulation at 1:1, an adjusting circuit for equalizing the absolute value of the skew distortion to phase modulation is unneeded.
JP9501879A 1979-07-27 1979-07-27 Synchronizing signal interpolator Pending JPS5620392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9501879A JPS5620392A (en) 1979-07-27 1979-07-27 Synchronizing signal interpolator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9501879A JPS5620392A (en) 1979-07-27 1979-07-27 Synchronizing signal interpolator

Publications (1)

Publication Number Publication Date
JPS5620392A true JPS5620392A (en) 1981-02-25

Family

ID=14126284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9501879A Pending JPS5620392A (en) 1979-07-27 1979-07-27 Synchronizing signal interpolator

Country Status (1)

Country Link
JP (1) JPS5620392A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164903A (en) * 1984-02-06 1986-04-03 テイツセン・インドウストリ−・アクチエンゲゼルシヤフト Accurate attachment of mount member to predetermined mount position of support structure of highway

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164903A (en) * 1984-02-06 1986-04-03 テイツセン・インドウストリ−・アクチエンゲゼルシヤフト Accurate attachment of mount member to predetermined mount position of support structure of highway

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