Image pick-up apparatus and image pick-up system
First Claim
Patent Images
1. An image pick-up apparatus comprising:
- an area sensor in which detecting elements are two-dimensionally arranged on a substrate;
a reference supply circuit, for supplying a sensor bias voltage to the detecting elements of the area sensor, which comprises a regulator for regulating the sensor bias voltage; and
a low-pass filter arranged between said regulator and said detecting elements, wherein the sensor bias voltage is supplied through said low-pass filter from said reference supply circuit.
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Abstract
An image pick-up apparatus comprising an area sensor in which detecting elements are two-dimensionally arranged on a substrate, and a reference supply circuit, for supplying a reference voltage to the detecting elements, which comprises a regulator for regulating the reference voltage. A low-pass filter is arranged between the regulator and the detecting elements. The reference voltage is supplied through the low-pass filter from the reference supply circuit.
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Citations
18 Claims
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1. An image pick-up apparatus comprising:
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an area sensor in which detecting elements are two-dimensionally arranged on a substrate; a reference supply circuit, for supplying a sensor bias voltage to the detecting elements of the area sensor, which comprises a regulator for regulating the sensor bias voltage; and a low-pass filter arranged between said regulator and said detecting elements, wherein the sensor bias voltage is supplied through said low-pass filter from said reference supply circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An image pick-up apparatus comprising:
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an area sensor in which detecting elements are two-dimensionally arranged on a substrate; a read device for reading a signal from said detecting elements, which comprises an amplifier for amplifying the signal; a reference supply circuit, for supplying a reference voltage to the amplifier and for supplying a sensor bias voltage to the detecting elements of the area sensor, which comprises a regulator for regulating the reference voltage; and a low-pass filter arranged between said regulator and said amplifier and arranged between said regulator and the detecting elements, wherein the reference voltage and the sensor bias voltage are supplied through said low-pass filter from said reference supply circuit.
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17. An image pick-up apparatus comprising:
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an area sensor in which detecting elements are two-dimensionally arranged on a substrate; a read device for reading a signal from said detecting elements, which comprises an amplifier for amplifying the signal; a reference supply circuit, for supplying a sensor bias voltage to said detecting elements of the area sensor and for supplying a reference voltage to said amplifier, which comprises a first regulator for regulating the sensor bias voltage and a second regulator for regulating the reference voltage; a first low-pass filter arranged between said first regulator and said detecting elements, wherein the sensor bias voltage is supplied through said low-pass filter from said reference supply circuit; and a second low-pass filter arranged between said second regulator and said amplifier, wherein said reference voltage is supplied through said second low-pass filter from said reference supply circuit.
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18. An image pick-up apparatus comprising;
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an area sensor in which detecting elements are two-dimensionally arranged on a substrate; a reference supply circuit, for supplying a reference voltage to the detecting elements of the area sensor, which comprises a regulator for regulating the reference voltage; and a low-pass filter arranged between the regulator and the detecting elements, wherein the reference voltage is supplied through the low-pass filter from the reference supply circuit, and the low-pass filter has a cutoff frequency set to be 3 to 10 times the frame rate of the area sensor.
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Specification