Image capturing apparatus
First Claim
1. An image capturing apparatus comprising:
- an image generator for photographing a subject and generating image data;
an interface for performing data communication with an external device;
a discriminator for determining a data communication mode established between said interface and said external device;
a compressor for setting a compression ratio adapted to said data communication mode on the basis of a result of determination of said discriminator and compressing said image data at the set compression ratio; and
a transmitter for transmitting said image data compressed by said compressor to said external device via said interface.
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Accused Products
Abstract
The present invention provides an image capturing apparatus capable of efficiently transmitting image data to an external device and having improved reliability in data transmission. A data communication mode established between a data communication part and an external device is determined by a communication mode determining part. A compression ratio setting part sets a compression ratio adapted to the data communication mode determined by the communication mode determining part and sets the compression ratio to a compressor. The compressor performs a compressing process on image data to be transmitted on the basis of the set compression ratio. The compressed image data is sent to the data communication part and transmitted to the external device. As image data to be transmitted is compressed at a compression ratio adapted to a data communication mode, the amount of the image data to be transmitted is adjusted in accordance with the data communication mode, so that efficient and highly-reliable data transmission is realized.
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Citations
20 Claims
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1. An image capturing apparatus comprising:
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an image generator for photographing a subject and generating image data;
an interface for performing data communication with an external device;
a discriminator for determining a data communication mode established between said interface and said external device;
a compressor for setting a compression ratio adapted to said data communication mode on the basis of a result of determination of said discriminator and compressing said image data at the set compression ratio; and
a transmitter for transmitting said image data compressed by said compressor to said external device via said interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of compressing image data captured by an image capturing apparatus, comprising the steps of:
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generating image data;
determining a data communication mode established between an interface for performing data communication and an external device;
setting a compression ratio adapted to the determined data communication mode;
compressing said image data at the set compression ratio; and
transmitting the compressed image data to said external device via said interface.
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16. An image capturing apparatus comprising:
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an image generator for photographing a subject and generating image data;
an interface for performing data communication with an external device;
a detector for detecting a remaining capacity of a driving source for driving said image capturing apparatus;
a compressor for setting a compression ratio on the basis of the remaining capacity of said driving source detected by said detector and compressing said image data at the set compression ratio; and
a transmitter for transmitting said image data compressed by said compressor to said external device via said interface. - View Dependent Claims (17)
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18. A method of compressing image data captured by an image capturing apparatus, comprising the steps of:
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generating image data;
detecting a remaining capacity of a driving source for driving said image capturing apparatus;
setting a compression ratio on the basis of said detected remaining capacity of said driving source and compressing said image data at the set compression ratio; and
transmitting the compressed image data to an external device via said interface.
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19. An image capturing apparatus comprising:
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an image generator for photographing a subject and generating image data;
a recorder for recording the image data generated by said image generator onto a recording medium;
a first detector for detecting an amount of the image data recorded on said recording medium;
a second detector for detecting a remaining capacity of a driving source for driving said image capturing apparatus;
an interface for performing data communication with an external device;
a reader, when the remaining capacity of said driving source detected by said second detector becomes smaller than a predetermined amount, for reading image data from said recording medium in order from image data of a smaller amount on the basis of a result of detection performed by said first detector; and
a transmitter for transmitting said image data read by said reader to said external device via said interface.
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20. A method of transmitting image data captured by an image capturing apparatus, comprising the steps of:
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generating image data;
recording the generated image data onto a recording medium;
detecting an amount of the image data recorded on said recording medium;
detecting a remaining capacity of a driving source for driving said image capturing apparatus;
reading the image data from said recording medium in order from a smaller amount of image data in said detected data amount, when the remaining capacity of said driving source becomes smaller than a predetermined amount; and
transmitting the read image data to an external device via an interface.
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Specification