JPH0241578U - - Google Patents
Info
- Publication number
- JPH0241578U JPH0241578U JP11906588U JP11906588U JPH0241578U JP H0241578 U JPH0241578 U JP H0241578U JP 11906588 U JP11906588 U JP 11906588U JP 11906588 U JP11906588 U JP 11906588U JP H0241578 U JPH0241578 U JP H0241578U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- videotape
- level
- video signal
- recorded
- 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
- 238000010586 diagram Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 2
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図はこの考案の各部波形図、第２図はこの
考案の一実施例を示すビデオテープレコーダの記
録系のブロツク図、第３図は第２図の各部信号波
形図、第４図は従来のビデオテープレコーダの記
録系のブロツク図、第５図は第４図の複合映像信
号の波形図、第６図は第４図の各部波形図を示す
。第７図はダビングをするためのビデオテープレ
コーダのブロツク図である。
図において、１はビデオテープ、２はヘツド、
３はＦＭ変調器、９は複合映像信号、１０はＡＧ
Ｃ装置、１２は同期信号、２１はモノマルチバイ
ブレータ、２３は加算器、２４は出力、２５はハ
ーフＨ信号、２６は信号、２７は第２のモノマル
チバイブレータ、２８はレベル補正器、２９はＦ
Ｍ変調器入力、３０はＮＯＲゲートを示す。なお
、図中、同一符号は同一、または相当部分を示す
。
Fig. 1 is a waveform diagram of each part of this invention, Fig. 2 is a block diagram of a recording system of a video tape recorder showing an embodiment of this invention, Fig. 3 is a signal waveform diagram of each part of Fig. 2, and Fig. 4 is a diagram of signal waveforms of each part of Fig. 2. 5 is a block diagram of a recording system of a conventional video tape recorder, FIG. 5 is a waveform diagram of the composite video signal of FIG. 4, and FIG. 6 is a waveform diagram of each part of FIG. 4. FIG. 7 is a block diagram of a video tape recorder for dubbing. In the figure, 1 is a videotape, 2 is a head,
3 is an FM modulator, 9 is a composite video signal, and 10 is an AG
C device, 12 is a synchronization signal, 21 is a mono multivibrator, 23 is an adder, 24 is an output, 25 is a half H signal, 26 is a signal, 27 is a second mono multivibrator, 28 is a level corrector, 29 is a F
M modulator input, 30 indicates a NOR gate. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
を白レベル付近とした同期信号を含んだビデオ信
号が記録されたビデオテープ。 A videotape on which a video signal including a synchronizing signal in which the return level of at least one equivalent pulse is near the white level is recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11906588U JPH0241578U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11906588U JPH0241578U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241578U true JPH0241578U (en) | 1990-03-22 |
Family
ID=31363970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11906588U Pending JPH0241578U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241578U (en) |
-
1988
- 1988-09-09 JP JP11906588U patent/JPH0241578U/ja active Pending
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