JPS55150683A - Video signal reproducing device - Google Patents
Video signal reproducing deviceInfo
- Publication number
- JPS55150683A JPS55150683A JP5842979A JP5842979A JPS55150683A JP S55150683 A JPS55150683 A JP S55150683A JP 5842979 A JP5842979 A JP 5842979A JP 5842979 A JP5842979 A JP 5842979A JP S55150683 A JPS55150683 A JP S55150683A
- Authority
- JP
- Japan
- Prior art keywords
- synchronizing signal
- vertical synchronizing
- signal
- circuit
- vertical
- 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
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
Abstract
PURPOSE:To eliminate simply vertical vibration generated on the picture screen in the slow-motion reproducing time and so on of a VTR, by substituting the vertical synchronizing signal of the reproduced video with a false vertical synchronizing signal. CONSTITUTION:The phase fluctuation signal forming circuit consisting of waveform shaping circuit 45 and RSFF circuit 50 forms a signal indicating the phase fluctuation quantity on a basis of the rotation phase angle of a rotary magnetic head and reproducing control pulses from fixed head 20. This signal becomes a flase vertical synchronizing signal through phase adjustment equipment 51 which has a characteristic reverse to the vertical deflecting circuit of the TV receiver, phase modulator 52 and waveform shaping circuit 53 and is supplied to adder 55. Meanwhile, the reproduced video signal from demodulator 35 has the vertical synchronizing signal eliminated by vertical synchronizing signal eliminating circuit 54 and is applied to adder 55. Thus, the vertical synchronizing signal of the reproduced video signal is substituted with the false vertical synchronizing signal, and the false vertical synchronizing signal is supplied to the TV receiver, so that vertical vibration of the picture in the slow-motion reproducing time and so on can be eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5842979A JPS55150683A (en) | 1979-05-11 | 1979-05-11 | Video signal reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5842979A JPS55150683A (en) | 1979-05-11 | 1979-05-11 | Video signal reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55150683A true JPS55150683A (en) | 1980-11-22 |
Family
ID=13084128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5842979A Pending JPS55150683A (en) | 1979-05-11 | 1979-05-11 | Video signal reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55150683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58191582A (en) * | 1982-05-01 | 1983-11-08 | Hitachi Ltd | Magnetic recorder and reproducer |
-
1979
- 1979-05-11 JP JP5842979A patent/JPS55150683A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58191582A (en) * | 1982-05-01 | 1983-11-08 | Hitachi Ltd | Magnetic recorder and reproducer |
| JPH023358B2 (en) * | 1982-05-01 | 1990-01-23 | Hitachi Ltd |
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