JPS5498518A - Reproducer for video signal - Google Patents

Reproducer for video signal

Info

Publication number
JPS5498518A
JPS5498518A JP522578A JP522578A JPS5498518A JP S5498518 A JPS5498518 A JP S5498518A JP 522578 A JP522578 A JP 522578A JP 522578 A JP522578 A JP 522578A JP S5498518 A JPS5498518 A JP S5498518A
Authority
JP
Japan
Prior art keywords
video signal
field
tape
speed
reproduction
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.)
Granted
Application number
JP522578A
Other languages
Japanese (ja)
Other versions
JPS6033024B2 (en
Inventor
Yoshihiko Ota
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP53005225A priority Critical patent/JPS6033024B2/en
Priority to US06/005,688 priority patent/US4346397A/en
Publication of JPS5498518A publication Critical patent/JPS5498518A/en
Publication of JPS6033024B2 publication Critical patent/JPS6033024B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To perform the conversion of the length of scanning locus for one field's share of the rotary head and the tape scanning speed at reproduction into the reproduced video signal of high quality to the video signal recorded with a given ratio respectively.
CONSTITUTION: The rotary head drum 9 providing the rotary heads 8a and 8b opposingly is directly coupled with the DC motor 10 and it is driven. In this case, the tape in which the video signal of the field frequency f1 and of the horizontal scanning number of lines N1 in one field is recorded with the rotary head in the track tilt to the lengthwise of tape fed in the speed S1 at recording, is reproduced by selecting the tape running speed S2 and the head rotary speed so that the scanning locus length l2 for one field's share of the rotary head at reproduction can be S2=F2/F1S1 and l2=N2/N1l1. Thus, the recorded video signal is converted into the video signal of the horizontal scanning lines N2 within one field and the field frequency F2 with reproduction, allowing to obtain the reproduced video signal with high quality.
COPYRIGHT: (C)1979,JPO&Japio
JP53005225A 1978-01-23 1978-01-23 Video signal playback method Expired JPS6033024B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP53005225A JPS6033024B2 (en) 1978-01-23 1978-01-23 Video signal playback method
US06/005,688 US4346397A (en) 1978-01-23 1979-01-23 Apparatus for reproducing a video signal of one system with conversion to a video signal of another system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53005225A JPS6033024B2 (en) 1978-01-23 1978-01-23 Video signal playback method

Publications (2)

Publication Number Publication Date
JPS5498518A true JPS5498518A (en) 1979-08-03
JPS6033024B2 JPS6033024B2 (en) 1985-07-31

Family

ID=11605240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53005225A Expired JPS6033024B2 (en) 1978-01-23 1978-01-23 Video signal playback method

Country Status (1)

Country Link
JP (1) JPS6033024B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133777A (en) * 1983-01-19 1984-08-01 Canon Inc Video signal processor
US4716473A (en) * 1982-08-09 1987-12-29 Nec Corporation Device for modifying program duration on a tape player

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02111617U (en) * 1989-02-23 1990-09-06
JPH0315327U (en) * 1989-06-29 1991-02-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716473A (en) * 1982-08-09 1987-12-29 Nec Corporation Device for modifying program duration on a tape player
JPS59133777A (en) * 1983-01-19 1984-08-01 Canon Inc Video signal processor

Also Published As

Publication number Publication date
JPS6033024B2 (en) 1985-07-31

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