JPH0273881U - - Google Patents
Info
- Publication number
- JPH0273881U JPH0273881U JP15300488U JP15300488U JPH0273881U JP H0273881 U JPH0273881 U JP H0273881U JP 15300488 U JP15300488 U JP 15300488U JP 15300488 U JP15300488 U JP 15300488U JP H0273881 U JPH0273881 U JP H0273881U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- voltage
- signal
- camera unit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 3
- 230000001360 synchronised effect Effects 0.000 claims 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面は本考案の一実施例に係るテレビカメラの
ブロツク図。
２……カメラ部、４……電源回路、６……ケー
ブル線、１２……クランプ回路、１４……同期レ
ベル検知回路、１６……電圧コントロール回路、
１８……可変電圧源。
The drawing is a block diagram of a television camera according to an embodiment of the present invention. 2... Camera section, 4... Power supply circuit, 6... Cable line, 12... Clamp circuit, 14... Synchronization level detection circuit, 16... Voltage control circuit,
18...Variable voltage source.
Claims (1)
するカメラ部と、このカメラ部に電源を供給する
電源回路と、この電源回路と前記カメラ部の電源
線を接続するケーブル線と、を有するテレビカメ
ラにおいて、前記電源回路が、前記カメラ部から
出力されるコンポジツト信号のペデスタルレベル
を基準電圧レベルに合わせるクランプ回路と、こ
のクランプ回路から出力されるコンポジツト信号
内の同期信号の電圧レベルを検知する同期レベル
検知回路と、前記カメラ部へ前記ケーブル線を介
して電源電圧を供給する可変電圧源と、前記同期
レベル検知回路にて検知された同期信号の電圧レ
ベルに対応してこの可変電圧源の出力電圧値を可
変する信号を出力する電圧コントロール回路と、
を有することを特徴とするテレビカメラの電源装
置。 A television camera having a camera unit that outputs a composite signal of a video signal and a synchronization signal, a power supply circuit that supplies power to the camera unit, and a cable line that connects the power supply circuit and the power supply line of the camera unit, The power supply circuit includes a clamp circuit that adjusts the pedestal level of the composite signal output from the camera section to a reference voltage level, and a synchronous level detection circuit that detects the voltage level of the synchronous signal within the composite signal output from the clamp circuit. a variable voltage source that supplies a power supply voltage to the camera unit via the cable line; and an output voltage value of the variable voltage source corresponding to the voltage level of the synchronization signal detected by the synchronization level detection circuit. a voltage control circuit that outputs a variable signal;
A power supply device for a television camera, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15300488U JPH0528855Y2 (en) | 1988-11-22 | 1988-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15300488U JPH0528855Y2 (en) | 1988-11-22 | 1988-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0273881U true JPH0273881U (en) | 1990-06-06 |
| JPH0528855Y2 JPH0528855Y2 (en) | 1993-07-23 |
Family
ID=31428450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15300488U Expired - Lifetime JPH0528855Y2 (en) | 1988-11-22 | 1988-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0528855Y2 (en) |
-
1988
- 1988-11-22 JP JP15300488U patent/JPH0528855Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0528855Y2 (en) | 1993-07-23 |
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