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US6377331B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Film image read apparatus, control method therefor, image processing apparatus, image processing method, and storage medium

Assignee: Canon Inc
•
Filing: 1998-09-22
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Granted: 2002-04-23
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Expires: 2018-09-22
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Abstract

Abstract It is an object of this invention to provide a film image read apparatus which allows a monitor to reproduce a film image in accordance with the intention of the photographer. To achieve this object, there is provided an apparatus including an information read circuit for reading predetermined information, other than image information, which is recorded on a film, an image read circuit for reading an illuminated film image, a metering circuit for metering the illuminated film image, a switching circuit for switching metering areas of the metering means for the film image, and a control circuit for controlling the switching means to switch the metering areas for the film image in accordance with the read information.

Inventors

  • 👤 Hiroshi Matsushima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 14:25
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6083; H04N1/6086; H04N1/00127; H04N1/00249; H04N1/40; H04N1/407; H04N1/4072; H04N1/4076

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 93 words
An image processing apparatus comprising: an information reading device for reading, from a storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; and, an image processing device for switching to a desired metering area selected from a plurality of switchable metering areas in the image, for metering within said desired metering area, and for performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read by said reading device.
Claim 2
Dependent Claim 93 words
An image processing apparatus comprising: an information reading device for reading, from a storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; and, an image processing device for switching to a desired metering area selected from a plurality of switchable metering areas in the image, for metering within said desired metering area, and for performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read by said reading device.
Claim 3
Dependent Claim 14 words
The apparatus according to claim 1 , wherein said storage medium includes a film.
Claim 4
Dependent Claim 15 words
The apparatus according to claim 2 , wherein said film includes a silver halide film.
Claim 5
Dependent Claim 18 words
The apparatus according to claim 1 , wherein the exposure condition information includes data indicating a metering mode.
Claim 6
Dependent Claim 21 words
The apparatus according to claim 1 , wherein the exposure condition information includes data about the use of a flash unit.
Claim 7
Dependent Claim 16 words
The apparatus according to claim 1 , wherein the exposure condition information includes data about backlight.
Claim 8
Dependent Claim 17 words
The apparatus according to claim 1 , wherein the exposure condition information includes data about exposure correction.
Claim 9
Dependent Claim 23 words
The apparatus according to claim 1 , wherein the image processing device is adapted for calculating predetermined metering information from an image signal.
Claim 10
Dependent Claim 84 words
An image processing method comprising the steps of: reading, from a storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; switching to a desired metering area selected from a plurality of switchable metering areas in the image, metering within said desired metering area; and, performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read in the step of reading.
Claim 11
Dependent Claim 84 words
An image processing method comprising the steps of: reading, from a storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; switching to a desired metering area selected from a plurality of switchable metering areas in the image, metering within said desired metering area; and, performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read in the step of reading.
Claim 12
Dependent Claim 14 words
The method according to claim 9 , wherein said storage medium includes a film.
Claim 13
Dependent Claim 15 words
The method according to claim 10 , wherein said film includes a silver halide film.
Claim 14
Dependent Claim 18 words
The method according to claim 9 , wherein the exposure condition information includes data indicating a metering mode.
Claim 15
Dependent Claim 21 words
The method according to claim 9 , wherein the exposure condition information includes data about the use of a flash unit.
Claim 16
Dependent Claim 16 words
The method according to claim 9 , wherein the exposure condition information includes data about backlight.
Claim 17
Dependent Claim 17 words
The method according to claim 9 , wherein the exposure condition information includes data about exposure correction.
Claim 18
Dependent Claim 21 words
The method according to claim 9 , wherein the image processing operation includes calculating predetermined metering information from a image signal.
Claim 19
Dependent Claim 103 words
A program storage medium storing a control program for image processing, the control program comprising: a code for reading, from an image storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; a code for switching to a desired metering area selected from a plurality of switchable metering areas in the image, and for metering within said desired metering area; and, a code for performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read in the step of reading.
Claim 20
Dependent Claim 103 words
A program storage medium storing a control program for image processing, the control program comprising: a code for reading, from an image storage medium, both image information of an image and exposure condition information for a predetermined metering area of the image obtained in a photographic operation; a code for switching to a desired metering area selected from a plurality of switchable metering areas in the image, and for metering within said desired metering area; and, a code for performing a predetermined image processing operation on the image information, on the basis of the exposure condition information read in the step of reading.
Claim 21
Dependent Claim 17 words
The program storage medium according to claim 17 , wherein said image storage medium includes a film.
Claim 22
Dependent Claim 17 words
The program storage medium according to claim 18 , wherein said film includes a silver halide film.
Claim 23
Dependent Claim 20 words
The program storage medium according to claim 17 , wherein the exposure condition information includes data indicating a metering mode.
Claim 24
Dependent Claim 23 words
The program storage medium according to claim 17 , wherein the exposure condition information includes data about the use of a flash unit.
Claim 25
Dependent Claim 18 words
The program storage medium according to claim 17 , wherein the exposure condition information includes data about backlight.
Claim 26
Dependent Claim 19 words
The program storage medium according to claim 17 , wherein the exposure condition information includes data about exposure correction.
Claim 27
Dependent Claim 25 words
The program storage medium according to claim 17 , wherein the image processing operation is adapted for calculating predetermined metering information from an image signal.

References Cited (Backward Citations)

US4974096A Cited
US5493355A Cited
US5872643A Cited
US5748287A Cited
US5959665A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-04-22 2005-10-22 2006-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-04-22 2009-10-22 2010-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-04-22 2013-10-22 2014-04-23 $7700.00 Window Closed / Lapsed

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