JPH0164261U - - Google Patents
Info
- Publication number
- JPH0164261U JPH0164261U JP1987160541U JP16054187U JPH0164261U JP H0164261 U JPH0164261 U JP H0164261U JP 1987160541 U JP1987160541 U JP 1987160541U JP 16054187 U JP16054187 U JP 16054187U JP H0164261 U JPH0164261 U JP H0164261U
- Authority
- JP
- Japan
- Prior art keywords
- switch means
- head
- head amplifier
- amplifiers
- output signal
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Description
第１図はこの考案を示すブロツク図、第２図は
、この考案のイメージセンサーの前置増幅器の１
実施例を示す回路図、第３図及び第４図は、イメ
ージセンサーの駆動回路図、第５図ないし第７図
は、従来のイメージセンサーの前置増幅器の回路
図である。
Ａ……ヘツドアンプ、Ｓ……アナログスイツチ
、Ｃ……コンデンサ、Ｘ……イメージセンサー。
Figure 1 is a block diagram showing this invention, and Figure 2 is a diagram of a preamplifier for an image sensor according to this invention.
FIGS. 3 and 4 are circuit diagrams showing an embodiment of the present invention, and FIGS. 3 and 4 are driving circuit diagrams of an image sensor, and FIGS. 5 to 7 are circuit diagrams of a conventional image sensor preamplifier. A...Head amplifier, S...Analog switch, C...Capacitor, X...Image sensor.
Claims (1)
出力信号を増幅する複数個のヘツドアンプと、前
記ヘツドアンプからの出力信号を選択的に取り出
すために、該ヘツドアンプ毎に設けられた第１の
スイツチ手段と、前記の各ヘツドアンプと第１の
スイツチ手段との間にシリースに接続されるコン
デンサと、前記の各コンデンサ及びヘツドアンプ
の接続点と、前記第１のスイツチ手段の出力側と
同電位のラインとの間に接続される第２のスイツ
チ手段と、前記各ヘツドアンプからの出力信号を
時系列的に取り出すために、前記第１のスイツチ
手段を順次オフからオンとするとともに、前記第
２のスイツチ手段を順次オンからオフとする制御
手段とを備えたことを特徴とするイメージセンサ
ーの前置増幅器。 a plurality of head amplifiers for amplifying each output signal from the plurality of divided image sensors; a first switch means provided for each head amplifier for selectively extracting the output signal from the head amplifier; A capacitor connected in series between each of the head amplifiers and the first switch means, a connection point between each of the capacitors and the head amplifier, and a line having the same potential as the output side of the first switch means. In order to extract the output signals from the second switch means connected to the head amplifier and the respective head amplifiers in time series, the first switch means are sequentially turned on from off, and the second switch means are sequentially turned on. A preamplifier for an image sensor, comprising: control means for switching from on to off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160541U JPH0164261U (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160541U JPH0164261U (en) | 1987-10-19 | 1987-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164261U true JPH0164261U (en) | 1989-04-25 |
Family
ID=31442691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160541U Pending JPH0164261U (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164261U (en) |
-
1987
- 1987-10-19 JP JP1987160541U patent/JPH0164261U/ja active Pending