JPS5483312A - Solid image pickup device - Google Patents
Solid image pickup deviceInfo
- Publication number
- JPS5483312A JPS5483312A JP15125777A JP15125777A JPS5483312A JP S5483312 A JPS5483312 A JP S5483312A JP 15125777 A JP15125777 A JP 15125777A JP 15125777 A JP15125777 A JP 15125777A JP S5483312 A JPS5483312 A JP S5483312A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse
- interval
- gated
- light
- 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
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
PURPOSE: To remove background noises and obtain a fine picture with no clock noises and a high signal to noise ratio by using two-dimensional light information.
CONSTITUTION: Output signal (a) of image pickup element 31 is gated by a pulse which synchronizes to one of the first horizontal signals of 1 field effective scanning signals b in gate circuit 33, so that it becomes signal c; then, signal c is changed to signal d through delay line 34 with a 1H interval. Signal d is supplied to gate circuit 38 through level adjusting circuit 37 and gated by pulse e applied from pulse generator 32 so that the supply is cut off only vertical blanking interval B; then, it is recycled by the loop consisting of circuits 34, 37 and 38, so that a signal component from the light-screening diode array of element 31 is entered to differential amplifier 35 of the vertical effective scanning interval. On the other hand, 1H signal to which light-screening from element 31 is not applied superposes clock noise component and background noise component on its picture signal and is entered to amplifier 35. As the result, output video signals without unnecessary components can be obtained.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125777A JPS5483312A (en) | 1977-12-15 | 1977-12-15 | Solid image pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125777A JPS5483312A (en) | 1977-12-15 | 1977-12-15 | Solid image pickup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5483312A true JPS5483312A (en) | 1979-07-03 |
Family
ID=15514701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15125777A Pending JPS5483312A (en) | 1977-12-15 | 1977-12-15 | Solid image pickup device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5483312A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718351A (en) * | 1980-07-09 | 1982-01-30 | Daido Steel Co Ltd | Compensation for temperature |
| JPS57133775A (en) * | 1981-02-13 | 1982-08-18 | Hitachi Denshi Ltd | Solid-state television camera |
| JPH02273488A (en) * | 1989-04-14 | 1990-11-07 | Idec Izumi Corp | Manufacture of electric part and manufacturing molds thereof |
| JPH03237884A (en) * | 1990-02-14 | 1991-10-23 | Toa Corp | Fixed pattern noise elimination circuit for solid-state image pickup element |
-
1977
- 1977-12-15 JP JP15125777A patent/JPS5483312A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718351A (en) * | 1980-07-09 | 1982-01-30 | Daido Steel Co Ltd | Compensation for temperature |
| JPS57133775A (en) * | 1981-02-13 | 1982-08-18 | Hitachi Denshi Ltd | Solid-state television camera |
| JPH02273488A (en) * | 1989-04-14 | 1990-11-07 | Idec Izumi Corp | Manufacture of electric part and manufacturing molds thereof |
| JPH03237884A (en) * | 1990-02-14 | 1991-10-23 | Toa Corp | Fixed pattern noise elimination circuit for solid-state image pickup element |
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