IP Library Granted Patent US 7,969,498
Granted Patent B2
US 7,969,498 · App. 12/331,705 · Granted Jun 28, 2011

Digital camera

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Quick Facts
Patent No.
US 7,969,498
App. No.
12/331,705
Granted
Jun 28, 2011
Kind
B2
Abstract

A digital camera has a measuring part and a display part. The measuring part measures a certain quantity from the moment of photographing a cleaning image. The display part displays the cleaning image in the case that the certain quantity is less than a predetermined threshold.

Claims (8)

1. A digital camera comprising:

a measuring part that measures a certain quantity from the moment of photographing a cleaning image; and

a display part that displays the cleaning image in the case that the certain quantity is less than a predetermined threshold.

2. The digital camera according to claim 1 , wherein the certain quantity is the number of shutter curtain releases from the moment of photographing a cleaning image until the present time.

3. The digital camera according to claim 1 , wherein the certain quantity is the time elapsed from the moment of photographing a cleaning image until the present time.

4. The digital camera according to claim 1 , further comprising a control part that releases a shutter curtain in the case that the certain quantity is less than or equal to a predetermined threshold.

5. The digital camera according to claim 1 , further comprising a control part that lifts a return mirror in the case that the certain quantity is less than or equal to a predetermined threshold.

6. The digital camera according to claim 1 , further comprising a confirmation part that confirms that the remaining battery charge is greater than a predetermined threshold, said display part displaying the cleaning image in the case that the certain quantity is less than a predetermined threshold and in the case that the remaining battery charge is greater than a predetermined threshold.

Assignments (2)
CORPORATE SPLIT Recorded Dec 2, 2011
From: HOYA CORPORATION
To: PENTAX RICOH IMAGING COMPANY, LTD.
Reel/Frame 027315/0115 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 10, 2008
From: OKAMOTO, TEPPEI
To: HOYA CORPORATION
Reel/Frame 021955/0386 →