JPS61199975U - - Google Patents
Info
- Publication number
- JPS61199975U JPS61199975U JP8278185U JP8278185U JPS61199975U JP S61199975 U JPS61199975 U JP S61199975U JP 8278185 U JP8278185 U JP 8278185U JP 8278185 U JP8278185 U JP 8278185U JP S61199975 U JPS61199975 U JP S61199975U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- drive
- drive mechanism
- signal
- sound collecting
- 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
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の要部のブロツク図
、第２図は第１図の特性調整回路の詳細ブロツク
図である。
２……ズーム駆動機構、３……マイクロホンユ
ニツト、８……特性調整回路、９……録音用マイ
クロホン、１１……混合回路。
FIG. 1 is a block diagram of a main part of an embodiment of the present invention, and FIG. 2 is a detailed block diagram of the characteristic adjustment circuit of FIG. 1. 2...Zoom drive mechanism, 3...Microphone unit, 8...Characteristic adjustment circuit, 9...Recording microphone, 11...Mixing circuit.
Claims (1)
のレンズ駆動機構および録音用マイクロホンを備
えるカラービデオカメラにおいて、 前記レンズ駆動機構の駆動音を集音するために
、該駆動機構の近傍に配置された集音ユニツトと
、 該集音ユニツトから出力される集音信号のレベ
ル、位相、周波数等の特性を調整して該集音信号
を、前記録音用マイクロホンで集音された前記駆
動音に係る駆動音信号とは逆極性の調整信号とし
て出力する特性調整回路と、 該特性調整回路からの調整信号と録音用マイク
ロホンからの録音用信号とを混合することにより
前記駆動音信号をキヤンセルする混合回路とを備
えることを特徴とするカラービデオカメラ。[Claims for Utility Model Registration] In a color video camera equipped with a lens drive mechanism such as a zoom drive mechanism or an autofocus drive mechanism, and a recording microphone, in order to collect the drive sound of the lens drive mechanism, the drive mechanism a sound collecting unit disposed near the sound collecting unit, and adjusting characteristics such as level, phase, frequency, etc. of the sound collecting signal outputted from the sound collecting unit and converting the sound collecting signal to the sound collected by the recording microphone. a characteristic adjustment circuit that outputs an adjustment signal with a polarity opposite to that of the drive sound signal related to the drive sound; and a characteristic adjustment circuit that outputs an adjustment signal with a polarity opposite to that of the drive sound signal related to the drive sound; A color video camera characterized by comprising a mixing circuit for canceling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8278185U JPS61199975U (en) | 1985-05-31 | 1985-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8278185U JPS61199975U (en) | 1985-05-31 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199975U true JPS61199975U (en) | 1986-12-15 |
Family
ID=30630804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8278185U Pending JPS61199975U (en) | 1985-05-31 | 1985-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199975U (en) |
-
1985
- 1985-05-31 JP JP8278185U patent/JPS61199975U/ja active Pending
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