JPS6395369U - - Google Patents
Info
- Publication number
- JPS6395369U JPS6395369U JP18916486U JP18916486U JPS6395369U JP S6395369 U JPS6395369 U JP S6395369U JP 18916486 U JP18916486 U JP 18916486U JP 18916486 U JP18916486 U JP 18916486U JP S6395369 U JPS6395369 U JP S6395369U
- Authority
- JP
- Japan
- Prior art keywords
- preamplifier
- blanking period
- resistor
- synchronize
- divide
- 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 4
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来の回路図、第３図は信号電流波形図であ
る。
１：信号電流源、２：高利得増幅器、Ｒｆ３，
Ｒｆ４：負荷抵抗、５：電子スイツチ、６：リレ
ー。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a conventional circuit diagram, and FIG. 3 is a signal current waveform diagram. 1: Signal current source, 2: High gain amplifier, Rf 3 ,
Rf 4 : Load resistance, 5: Electronic switch, 6: Relay.
Claims (1)
を水平同期信号に同期させて減衰制御する手段を
設け、走査期間とブランキング期間の入力インピ
ーダンスを可変し撮像素子より発生するブランキ
ング期間のパルスを抑圧することを特徴とするテ
レビジヨンカメラ用前置増幅器。 A means is provided to divide the negative feedback resistor of the preamplifier and synchronize one resistor with the horizontal synchronizing signal to control attenuation.The input impedance during the scanning period and the blanking period is varied, and the blanking period generated by the image sensor is controlled. A preamplifier for television cameras characterized by suppressing pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18916486U JPS6395369U (en) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18916486U JPS6395369U (en) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6395369U true JPS6395369U (en) | 1988-06-20 |
Family
ID=31141215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18916486U Pending JPS6395369U (en) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6395369U (en) |
-
1986
- 1986-12-10 JP JP18916486U patent/JPS6395369U/ja active Pending
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