Apparatus for detecting focus

An apparatus for detecting a focus state has an optical image-forming system that forms an object image, a plurality of line sensors that is arranged on a projected area of the optical image-forming system; a plurality of monitor sensors that is arranged on the projected area along the direction of...

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Main Authors SUGITANI KAZUO, TAKAKUBO YUTAKA, SATO KOICHI
Format Patent
LanguageEnglish
Published 06.11.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract An apparatus for detecting a focus state has an optical image-forming system that forms an object image, a plurality of line sensors that is arranged on a projected area of the optical image-forming system; a plurality of monitor sensors that is arranged on the projected area along the direction of a line-sensor array, each monitor sensor being adjacent to a corresponding line sensor and monitoring an amount of light incident on the corresponding line sensor; and a signal processor that outputs image-pixel signals corresponding to the object image on the basis of electric charges accumulated in the plurality of line sensors. At least an endmost monitor sensor corresponding to an endmost line sensor is arranged on the center-facing side of the endmost line sensor.
AbstractList An apparatus for detecting a focus state has an optical image-forming system that forms an object image, a plurality of line sensors that is arranged on a projected area of the optical image-forming system; a plurality of monitor sensors that is arranged on the projected area along the direction of a line-sensor array, each monitor sensor being adjacent to a corresponding line sensor and monitoring an amount of light incident on the corresponding line sensor; and a signal processor that outputs image-pixel signals corresponding to the object image on the basis of electric charges accumulated in the plurality of line sensors. At least an endmost monitor sensor corresponding to an endmost line sensor is arranged on the center-facing side of the endmost line sensor.
Author SUGITANI KAZUO
TAKAKUBO YUTAKA
SATO KOICHI
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RelatedCompanies SUGITANI KAZUO
TAKAKUBO YUTAKA
PENTAX RICOH IMAGING COMPANY, LTD
SATO KOICHI
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Snippet An apparatus for detecting a focus state has an optical image-forming system that forms an object image, a plurality of line sensors that is arranged on a...
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SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
Title Apparatus for detecting focus
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