Drive circuit of solidstate image pickup device, method of driving solidstate image pickup device and image pickup system of solidstate image pickup device
Drive circuit of solidstate image pickup device, method of driving solidstate image pickup device and image pickup system of solidstate image pickup device
 CN 101,119,433 A
 Filed: 07/31/2007
 Published: 02/06/2008
 Est. Priority Date: 07/31/2006
 Status: Active Application
First Claim
1. the drive circuit of a solidstate image pickup comprises:
 Be used to carry out once or the polynomial arithmetic arithmetic element of the polynomial arithmetical operation of high order more;
Produce the arithmetical operation controller of polynomial variable with the arithmetical operation in the control polynomial arithmetic arithmetic element;
WithResult based on the polynomial arithmetical operation of polynomial arithmetic arithmetic element produces the pulse generator of pulse.
Chinese PRB Reexamination
Abstract
There is provided a drive circuit of a solidstate image pickup device capable of generating pulse for vertical scanning the interval of which changes nonlinearly and pulse other than the pulse for vertical scanning without increasing a circuit size and communication time for setting an electronic shutter. There is provided a drive circuit of a solidstate image pickup device including a polynomial arithmetic operation unit for carrying out an arithmetic operation of first or higher order of polynomial; an arithmetic operation controller of generating a variable of the polynomial to control an arithmetic operation in the polynomial arithmetic operation unit; and a pulse generator of generating a pulse based on a result of an arithmetic operation on a polynomial of the polynomial arithmetic operation unit.

2 Citations
Solidstate image pickup device and method of driving the same  
Patent #
US 8,634,012 B2
Filed 03/30/2011

Current Assignee
N/A

Solidstate image pickup device and method of driving the same  
Patent #
CN 102,215,350 A
Filed 04/01/2011

Current Assignee

No References
10 Claims

1. the drive circuit of a solidstate image pickup comprises:

Be used to carry out once or the polynomial arithmetic arithmetic element of the polynomial arithmetical operation of high order more; Produce the arithmetical operation controller of polynomial variable with the arithmetical operation in the control polynomial arithmetic arithmetic element;
WithResult based on the polynomial arithmetical operation of polynomial arithmetic arithmetic element produces the pulse generator of pulse.


2. according to the drive circuit of the solidstate image pickup of claim 1, also comprise counter to clock pulse count, wherein,
Pulse generator is carried out relatively to produce and the corresponding pulse of result relatively based on the count value of the sum counter as a result of the polynomial arithmetical operation of polynomial arithmetic arithmetic element.

3. according to the drive circuit of the solidstate image pickup of claim 2, also comprise the timing parameters memory cell of storing timing parameters, wherein,
Pulse generator is carried out relatively to produce and the corresponding pulse of result relatively based on the count value that is stored in the timing parameters sum counter in the timing parameters memory cell.

4. according to each the drive circuit of solidstate image pickup in the claim 1～
 3, also comprise the coefficient storage unit of storing polynomial coefficient, wherein,
The polynomial arithmetic arithmetic element is carried out polynomial arithmetical operation based on the polynomial coefficient that is stored in the coefficient storage unit.
 3, also comprise the coefficient storage unit of storing polynomial coefficient, wherein,

5. according to the drive circuit of the solidstate image pickup of claim 2, wherein,
Variable in the multinomial is the variable of specifying the row address in the solidstate image pickup; 
The polynomial arithmetic arithmetic element obtains arithmetic operation results for each variable of row address;
AndThe polynomial arithmetic operation results that pulse generator will be corresponding with the variable of row address and the count value of counter compare, to produce the vertical scanning pulse corresponding with row address according to comparative result.


6. according to each the drive circuit of solidstate image pickup in claim 1～
 3 and 5, also comprise the incorrect arithmetical operation detecting unit of the incorrect arithmetic operation results that detection draws in the polynomial arithmetic computing of polynomial arithmetic arithmetic element.

7. according to the drive circuit of the solidstate image pickup of claim 6, also comprise, the generation polynomial variable different with the arithmetical operation controller also controlled the arithmetical operation test mode controller unit that the arithmetical operation in the polynomial arithmetic arithmetic element is checked, wherein
The polynomial arithmetic arithmetic element is carried out polynomial arithmetical operation based on the variable that produces under the arithmetical operation test mode in arithmetical operation test mode controller unit.

8. according to each the drive circuit of solidstate image pickup in the claim 1～
 3,5 and 7, wherein, the polynomial arithmetic arithmetic element uses approximate expression to carry out once or the more polynomial arithmetical operation of high order.

9. according to each the drive circuit of solidstate image pickup in the claim 1～
 3,5 and 7, comprising;
The cover blade on the acceptance surface that covers solidstate image pickup is advanced with the mechanical shutter device of the lipdeep lightproof area of acceptance that changes solidstate image pickup thus, Wherein, pulse generator produces the pulse that the signal that is used for the regulation solidstate image pickup is accumulated the beginning of time, and the mechanical shutter specified signal is accumulated the end of a period of time.
 3,5 and 7, comprising;

10. the driving method of a solidstate image pickup comprises:

Produce polynomial variable; Carry out once or the more polynomial arithmetical operation of high order with variable;
WithResult based on the polynomial arithmetic computing produces pulse.

Specification(s)