Motion detector and image stabilizing system

Claim 2

A motion detector comprising: a sensor for sensing flickers; a flicker detection circuit for detecting flickers in response to an output signal from the sensor; a flicker compensating circuit for removing flicker components from a video signal from an image pickup means in response to an output signal from the flicker detection circuit; and a motion vector detecting circuit for detecting a motion vector in response to an output signal from the flicker compensating circuit.

Claim 3

The motion detector of claim 1 wherein the flicker compensating circuit comprises an image pickup device, means for providing a variable electronic shutter to the image pickup device, and means for controlling the variable electronic shutter in response to the output signal from the flicker detection circuit.

Claim 4

A motion detector for use in combination with an image pickup device, and means for providing a variable electronic shutter to the image pickup device, the motion detector comprising: a flicker detection circuit for detecting flicker components in an output signal of the image pickup device; a hold circuit for holding an output signal from the flicker detecting circuit; a flicker compensating circuit for removing the flicker components from the output signal of the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal from the hold circuit; and a motion vector detecting circuit for detecting a motion vector in response to an output signal from the flicker compensating circuit.

Claim 5

A motion detector for use in combination with an image pickup device, and means for providing a variable electronic shutter to the image pickup device, the motion detector comprising: a flicker detection circuit for detecting flicker components in an output signal of the image pickup device; a hold circuit for holding an output signal from the flicker detecting circuit; a flicker compensating circuit for removing the flicker components from the output signal of the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal from the hold circuit; and a motion vector detecting circuit for detecting a motion vector in response to an output signal from the flicker compensating circuit.

Claim 6

The motion detector of claim 3 further comprising a reset circuit for resetting the hold circuit.

Claim 7

The motion detector of claim 4 further comprising a power supply switch, and wherein the reset circuit comprises means for resetting the hold circuit in synchronism with an operation of the power supply switch.

Claim 8

The motion detector of claim 4 further comprising a color temperature detecting circuit for detecting a color temperature in response to the output signal from the image pickup device, and wherein the reset circuit comprises means responsive to an output signal from the color temperature detecting circuit for resetting the hold circuit when the color temperature detected by the color temperature detecting circuit varies over a predetermined range.

Claim 9

An image stabilizing system comprising: a sensor for sensing flickers; a flicker detection circuit for detecting flickers in response to an output signal from the sensor; a flicker compensating circuit for removing flicker components from a video signal from an image pickup means in response to an output signal from the flicker detection circuit; a motion vector detecting circuit for detecting a motion vector in response to an output signal from the flicker compensating circuit; and a motion compensating circuit for removing motion components from the video signal in response to the motion vector detected by the motion vector detecting circuit.

Claim 10

An image stabilizing system comprising: a sensor for sensing flickers; a flicker detection circuit for detecting flickers in response to an output signal from the sensor; a flicker compensating circuit for removing flicker components from a video signal from an image pickup means in response to an output signal from the flicker detection circuit; a motion vector detecting circuit for detecting a motion vector in response to an output signal from the flicker compensating circuit; and a motion compensating circuit for removing motion components from the video signal in response to the motion vector detected by the motion vector detecting circuit.

Claim 11

The image stabilizing system of claim 7 wherein the motion compensating circuit comprises an image pickup device for converting an image of an object into a corresponding electric signal, an image pickup device drive circuit for driving the image pickup device, and an image pickup device drive control circuit for controlling the image pickup drive circuit in response to the motion vector detected by the motion vector detecting circuit.

Claim 12

An image stabilizing system for use in combination with an image pickup device, and means for providing a variable electronic shutter to the image pickup device, the motion detector comprising: a flicker detection circuit for detecting flicker components in an output signal of the image pickup device; a hold circuit for holding an output signal from the flicker detecting circuit; a flicker compensating circuit for removing the flicker components from the output signal of the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal from the hold circuit; a motion vector detecting circuit for detecting a motion vector In response to an output signal from the flicker compensating circuit; and a motion compensating circuit for removing motion components from the video signal in response to the motion vector detected by the motion vector detecting circuit.

Claim 13

An image stabilizing system for use in combination with an image pickup device, and means for providing a variable electronic shutter to the image pickup device, the motion detector comprising: a flicker detection circuit for detecting flicker components in an output signal of the image pickup device; a hold circuit for holding an output signal from the flicker detecting circuit; a flicker compensating circuit for removing the flicker components from the output signal of the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal from the hold circuit; a motion vector detecting circuit for detecting a motion vector In response to an output signal from the flicker compensating circuit; and a motion compensating circuit for removing motion components from the video signal in response to the motion vector detected by the motion vector detecting circuit.

Claim 14

The image stabilizing system of claim 9 wherein the motion compensating circuit comprises an image pickup device drive circuit for driving the image pickup device, and an image pickup device drive control circuit for controlling the image pickup drive circuit in response to the motion vector detected by the motion vector detecting circuit.

Claim 15

A video system comprising: an image pickup device for converting an image of an object into a corresponding electric signal and outputting the electric signal; means for providing a variable electronic shutter to the image pickup device; a flicker detection circuit for detecting flicker components of the electric signal outputted by the image pickup device, the flicker components having a period of a plurality of fields; a hold circuit for holding an output signal of the flicker detection circuit; a flicker compensating circuit for removing the flicker components from the electric signal outputted by the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal of the hold circuit; and a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing.

Claim 16

A video system comprising: an image pickup device for converting an image of an object into a corresponding electric signal and outputting the electric signal; means for providing a variable electronic shutter to the image pickup device; a flicker detection circuit for detecting flicker components of the electric signal outputted by the image pickup device, the flicker components having a period of a plurality of fields; a hold circuit for holding an output signal of the flicker detection circuit; a flicker compensating circuit for removing the flicker components from the electric signal outputted by the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal of the hold circuit; and a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing.

Claim 17

The video system of claim 11, further comprising a reset circuit for resetting the hold circuit.

Claim 18

The video system of claim 12, further comprising a power supply switch, and wherein the reset circuit comprises means for resetting the hold circuit in synchronism with an operation of the power supply switch.

Claim 19

The video system of claim 13, further comprising a color temperature detection circuit for detecting a color temperature in response to the output signal of the image pickup device, and wherein the reset circuit comprises means responsive to an output signal of the color temperature detection circuit for resetting the hold circuit when the color temperature detected by the color temperature detection circuit varies over a predetermined range.

Claim 20

The video system of claim 12, further comprising a record switch, and wherein the reset circuit comprises means for resetting the hold circuit in synchronism with an operation of the record switch.

Claim 21

The video system of claim 15, further comprising a color temperature detection circuit for detecting a color temperature in response to the output signal of the image pickup device, and wherein the reset circuit comprises means responsive to an output signal of the color temperature detection circuit for resetting the hold circuit when the color temperature detected by the color temperature detection circuit varies over a predetermined range.

Claim 22

The video system of claim 12, further comprising a color temperature detection circuit for detecting a color temperature in response to the output signal of the image pickup device, and wherein the reset circuit comprises means responsive to an output signal of the color temperature detection circuit for resetting the hold circuit when the color temperature detected by the color temperature detection circuit varies over a predetermined range.

Claim 23

A video system comprising: a flicker detection circuit for detecting flicker components of an input video signal, the flicker components having a period of a plurality of fields; a flicker compensating circuit for suppressing the flicker components of the input video signal in response to an output signal of the flicker detection circuit; a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing; a motion compensating circuit for removing motion components from the input video signal; and control means for controlling the motion compensating circuit in response to the motion vector detected by the motion vector detection circuit; wherein the motion compensating circuit comprises an image pickup device for converting an image of an object into a corresponding electric signal, an image pickup device drive circuit for driving the image pickup device, and an image pickup device drive control circuit for controlling the image pickup drive circuit in response to the motion vector detected by the motion vector detection circuit.

Claim 24

A video system comprising: a flicker detection circuit for detecting flicker components of an input video signal, the flicker components having a period of a plurality of fields; a flicker compensating circuit for suppressing the flicker components of the input video signal in response to an output signal of the flicker detection circuit; a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing; a motion compensating circuit for removing motion components from the input video signal; and control means for controlling the motion compensating circuit in response to the motion vector detected by the motion vector detection circuit; wherein the motion compensating circuit comprises an image pickup device for converting an image of an object into a corresponding electric signal, an image pickup device drive circuit for driving the image pickup device, and an image pickup device drive control circuit for controlling the image pickup drive circuit in response to the motion vector detected by the motion vector detection circuit.

Claim 25

A video system comprising: an image pickup device for converting an image of an object into a corresponding electric signal and outputting the electric signal; means for providing a variable electronic shutter to the image pickup device; a flicker detection circuit for detecting flicker components of the electric signal outputted by the image pickup device, the flicker components having a period of a plurality of fields; a hold circuit for holding an output signal of the flicker detection circuit; a flicker compensating circuit for removing the flicker components from the electric signal outputted by the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal of the hold circuit; a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing; and a motion compensating circuit for removing motion components from the electric signal outputted by the image pickup device in response to the motion vector detected by the motion vector detection circuit.

Claim 26

A video system comprising: an image pickup device for converting an image of an object into a corresponding electric signal and outputting the electric signal; means for providing a variable electronic shutter to the image pickup device; a flicker detection circuit for detecting flicker components of the electric signal outputted by the image pickup device, the flicker components having a period of a plurality of fields; a hold circuit for holding an output signal of the flicker detection circuit; a flicker compensating circuit for removing the flicker components from the electric signal outputted by the image pickup device, the flicker compensating circuit comprising means for controlling the variable electronic shutter in response to an output signal of the hold circuit; a motion vector detection circuit for detecting a motion vector in response to an output signal of the flicker compensating circuit, the motion vector detection circuit comprising means for storing the output signal of the flicker compensating circuit during a given time, means for comparing an output signal of the storing means and the output signal of the flicker compensating circuit, and means for detecting a motion vector in response to a result of said comparing; and a motion compensating circuit for removing motion components from the electric signal outputted by the image pickup device in response to the motion vector detected by the motion vector detection circuit.

Claim 27

The video system of claim 19, wherein the motion compensating circuit comprises the image pickup device, an image pickup device drive circuit for driving the image pickup device, and an image pickup device drive control circuit for controlling the image pickup drive circuit in response to the motion vector detected by the motion vector detection circuit.