JPS5498518A - Reproducer for video signal - Google Patents
Reproducer for video signalInfo
- 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
Links
Landscapes
- Television Systems (AREA)
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02111617U (en) * | 1989-02-23 | 1990-09-06 | ||
JPH0315327U (en) * | 1989-06-29 | 1991-02-15 |
-
1978
- 1978-01-23 JP JP53005225A patent/JPS6033024B2/en not_active Expired
Cited By (2)
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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