Claims
- 1. An image readout apparatus comprising;
- a plurality of photoelectric conversion elements, divided into a plurality of groups;
- respective storage means provided for each of said photoelectric conversion elements for correspondingly storing an output signal from a respective one of said photoelectric conversion elements;
- readout switching means for sequentially electing the groups and for simultaneously reading out a signal stored in the ones of said storage means associated with the selected one of said groups;
- switching means for sequentially deriving a signal stored in said storage means; and
- a plurality of discharge switching means disposed in parallel with said storage means for sequentially selecting the groups and for simultaneously discharging said storage means associated with a selected group,
- wherein a readout operation of said readout switching means and a discharge operation of said discharge switching means are performed simultaneously.
- 2. An image readout apparatus according to claim 1, wherein each of said groups comprises a predetermined number of said photoelectric conversion elements.
- 3. An image readout apparatus comprising:
- a plurality of photoelectric conversion elements, divided into a plurality of groups;
- first storing means respectively provided for each of said photoelectric conversion elements for corresponding storing an output signal from a respective one of said photoelectric conversion elements;
- first switching means for sequentially selecting the groups and for simultaneously deriving the output signals from a respective one of said first storage means associated with a selected group;
- second switching means for deriving in a time series manner the signals of said group selected by said first switching means;
- a plurality of first discharge switching means respectively disposed in parallel with each of said first storage means for sequentially selecting the groups and for simultaneously discharging said first storage means;
- second storage means for respectively storing the signals of said groups selected by said first switching means; and
- a plurality of second discharge switching means disposed in parallel relation to each of said second storage means,
- wherein a deriving operation of said first switching means and a discharge operation of said first discharge switching means are performed simultaneously.
- 4. An image readout apparatus comprising:
- a plurality of photoelectric conversion elements, divided into a plurality of groups;
- first storage means respectively provided for each of said plurality of photoelectric conversion elements for corresponding storing an output signal from said photoelectric conversion element;
- first switching means for sequentially selecting the groups and for simultaneously deriving the output signals from a respective one of said first storage means associated with a selected group;
- second storage means for respectively storing the signals of said groups selected by said first switching means, said second storage means comprising a parallel-in/serial-out shift register;
- a plurality of discharge switching means connected to each of said second storage means for discharging said second storage means; and
- serial output means for deriving in a time series manner each of the signals, corresponding to said plurality of groups, stored in said second storage means, said serial output means comprising a parallel-in/serial-out shift register.
- 5. An image readout apparatus comprising:
- a plurality of photoelectric conversion elements, divided into a plurality of groups;
- first storage means respectively provided for each of said photoelectric conversion elements for corresponding storing an output signal from said photoelectric conversion element;
- first switching means for sequentially selecting the groups and for simultaneously deriving the output signals from a respective one of said first storage means associated with a selected group;
- a plurality of first discharge switching means respectively connected to each of said first storage means for discharging said first storage means;
- second storage means for respectively storing the signals of said groups selected by said first switching means;
- a plurality of second discharge switching means connected to each of said second storage means for discharging said second storage means; and
- serial output means for deriving in a time series manner each of the signals, corresponding to said plurality of groups, stored in said second storage means.
- 6. An image readout apparatus according to claim 5 wherein said second storage means is a capacitor and said serial output means is a switching transistor.
- 7. An image readout apparatus according to claim 5, wherein said serial output means is a parallel-in/serial-out shift register.
Priority Claims (5)
Number |
Date |
Country |
Kind |
59-146963 |
Jul 1984 |
JPX |
|
59-146964 |
Jul 1984 |
JPX |
|
59-146965 |
Jul 1984 |
JPX |
|
59-146966 |
Jul 1984 |
JPX |
|
59-146967 |
Jul 1984 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 753,578, filed July 10, 1985, now abandoned.
US Referenced Citations (4)
Continuations (1)
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Number |
Date |
Country |
Parent |
753578 |
Jul 1985 |
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