JPS60139384U - Audio and video recording equipment - Google Patents
Audio and video recording equipmentInfo
- Publication number
- JPS60139384U JPS60139384U JP2599484U JP2599484U JPS60139384U JP S60139384 U JPS60139384 U JP S60139384U JP 2599484 U JP2599484 U JP 2599484U JP 2599484 U JP2599484 U JP 2599484U JP S60139384 U JPS60139384 U JP S60139384U
- Authority
- JP
- Japan
- Prior art keywords
- band
- audio
- signal
- video recording
- recording equipment
- 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
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のホームＶＴＲにおけるＦＭ輝度信号と低
域変換色信号との記録帯域分布を示す周波数スペクトラ
ム図、第２図はＦＭ音声信号を多重する場合の周波数ス
ペクトラム図、第３図は本考案を適用したＶＴＲの記録
系の要部ブロック図、第４図は第３図の実施例の輝度信
号、色信号、音声信号の帯域分布を示す周波数スペクト
ラム図、第５図はＦＭ輝度信号の周波数対最適記録電流
量を示すグラフである。 ・
なｉ図面に用いられた符号において、１・・・加算器、
３・・−ＦＭ変調器、５・・・記録アンプ、６・・・回
転磁気ヘッド、７・・・磁気テープ、８，９・・・切換
スイッチ、である。Figure 1 is a frequency spectrum diagram showing the recording band distribution of the FM luminance signal and low frequency conversion color signal in a conventional home VTR, Figure 2 is a frequency spectrum diagram when multiplexing FM audio signals, and Figure 3 is the main Figure 4 is a block diagram of the main parts of the recording system of a VTR to which the invention is applied; Figure 4 is a frequency spectrum diagram showing the band distribution of the luminance signal, color signal, and audio signal in the embodiment of Figure 3; Figure 5 is a diagram of the band distribution of the FM luminance signal. It is a graph showing frequency vs. optimum recording current amount.・In the codes used in the i drawings, 1...adder,
3...-FM modulator, 5... Recording amplifier, 6... Rotating magnetic head, 7... Magnetic tape, 8, 9... Changeover switch.
Claims (1)
ＦＭ音声信号を多重するようにした記録装置であって、
上ｙＭ輝度信号のキャリア周波数を切り換える切換スイ
ッチを具備し、この切換スイッチを操作して上記ＦＭ輝
度信号と低域変換クロマ信号との間の空き帯域の巾を、
ＦＭ音声信号を多重しない帯域中、ＦＭ音声信号を多重
する第１の帯域中及び第↓の帯域中よりも広い第２の帯
域中に選択し得るようにした音声及び映像記録装置・−A recording device that multiplexes an FM audio signal into an empty band between an FMFM luminance signal range converted chroma signal,
It is equipped with a changeover switch for changing the carrier frequency of the upper yM brightness signal, and by operating this changeover switch, the width of the empty band between the above-mentioned FM brightness signal and the low frequency converted chroma signal is adjusted.
An audio and video recording device capable of selecting a band in which FM audio signals are not multiplexed, a first band in which FM audio signals are multiplexed, and a second band wider than the second band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2599484U JPS60139384U (en) | 1984-02-25 | 1984-02-25 | Audio and video recording equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2599484U JPS60139384U (en) | 1984-02-25 | 1984-02-25 | Audio and video recording equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139384U true JPS60139384U (en) | 1985-09-14 |
Family
ID=30521586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2599484U Pending JPS60139384U (en) | 1984-02-25 | 1984-02-25 | Audio and video recording equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139384U (en) |
-
1984
- 1984-02-25 JP JP2599484U patent/JPS60139384U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5683836A (en) | Magnetic recording and reproducing device | |
| ES8403686A1 (en) | Chroma signal recording and reproducing circuit. | |
| GB1407037A (en) | System for magnetically recording and reproducing television signals | |
| JPS57143704A (en) | Magnetic recording and reproducing device | |
| EP0146129A3 (en) | An apparatus for recording and reproducing a video signal | |
| EP0153027A3 (en) | Recording and reproducing system for color video signals | |
| JPS60139384U (en) | Audio and video recording equipment | |
| GB1503691A (en) | Colour television system | |
| EP0561546A3 (en) | Video tape recorder capable of recording and reproducing wide-band chrominance signal | |
| DE3874066D1 (en) | ||
| JP2585504B2 (en) | Magnetic recording / reproducing method | |
| JPS60169768U (en) | video tape recorder | |
| EP0078059A3 (en) | Improved audio/video signal recording method | |
| JPH0348983U (en) | ||
| JPH0253681U (en) | ||
| JPS6347679U (en) | ||
| JPS648796A (en) | Magnetic recording and reproducing device | |
| JPS574683A (en) | Recording and reproducing device of video signal | |
| JPS62167469U (en) | ||
| JPS6019281U (en) | Recording current adjustment device | |
| JPS61100089U (en) | ||
| JPS5447426A (en) | Recording system for secam-system color television signal | |
| JPS60134370U (en) | Microphone mixing adapter | |
| JPH0182581U (en) | ||
| JPH0164268U (en) |