Ricoh Company, Ltd.

Noriaki Ojima

Kenji Shiraishi

Akihiro Yoshida

Keiji Himuro

Toshiaki Nakahira

Tatsutoshi Kitajima

Takahiro Fujisawa

Kohichi Sugiura

Masato Sannoh

Junichi Shinohara

Masato Sanno

Tomoya Kitajima

An imaging apparatus includes a shooting lens having a focus lens for adjusting a degree of focus on an imaging plane; an image sensor converting an optical image of a photographic subject to an electric image signal and outputting it; a confirmation image creator creating a focus state confirmation image in which a part, or a whole of an image expressed by the image signal is enlarged; a display displaying the focus state confirmation image; and a focus evaluation value calculator calculating a focus evaluation value based on the image signal; wherein when a state of an inclination of change in a focus evaluation value calculated at a plurality of positions of the focus lens while moving the focus lens is different from a state of an inclination of change in a focus evaluation value calculated immediately before, the focus state confirmation image is displayed on the display.

Imaging apparatus

An imaging system includes: a body unit; at least one type of interchangeable lens unit; and at least one type of external unit, wherein in the case where the body unit and one of the at least one type of interchangeable lens unit are connected integrally, the imaging system becomes an imaging device capable of shooting a photographic subject, and in the case where the body unit and one of the at least one type of external unit are connected integrally, the imaging system becomes a device having a specific function of the external unit connected to the body unit, and wherein when the interchangeable lens unit or the external unit is connected to the body unit, the body unit obtains information on the type of unit connected to the body unit, and is capable of changing control of an entire device including the body unit and the unit connected to the body unit based on the type of unit connected to the body unit.

Imaging system including a body unit to which a first unit or a second unit is mounted

Disclosed is a photographing apparatus of interlace transferring type comprising a photographing device which carries out transfer of electrification of all pixels stored in the photographing device by dividing into a plurality of fields when transferring the electrification, which has a plurality of color filters and which includes a color signal of at least RGB or YeCyMgG in the transfer data of each field for transferring the electrification, an extraction unit for extracting characteristic data of an image from transferred data before processing for the image is started, a generating unit for generating control value carrying out correction of image based on the extracted characteristic data, and a photographing processing unit for processing the image by use of a control value formed by said characteristic data.

Photographing apparatus and photographing method

Imaging system including a body unit to which a lens unit or an external unit is mounted

An image pickup device provided with an automatic focusing function includes an image pickup unit, a face detection unit, a receive unit, and an automatic focusing control unit. The image pickup unit is configured to input image data corresponding to a subject. The face detection unit is configured to separately detect eyes, a nose, and a mouth of a human face from the image data input from the image pickup unit. The receive unit is configured to receive from a user a selection of any one of the eyes, the nose, or the mouth as a ranging area. The automatic focusing control unit is configured to perform automatic focusing control based on the ranging area selected by the user.

Image pickup device, automatic focusing method, automatic exposure method, electronic flash control method and computer program

An image pickup device provided with an electronic flash function including an image pickup unit configured to input image data corresponding to a subject, a face detection unit configured to detect a human face from the image data input from the image pickup unit, an electronic flashing unit configured to emit electronic flash light, and an electronic flash control unit configured to control the electronic flashing unit based on the detection result of the human face by the face detection unit.

An image pickup device provided with an automatic exposure function includes an image pickup unit configured to input image data corresponding to a subject, a face detection unit configured to detect a human face from the image data input from the image pickup unit, a photometric unit configured to measure optical intensity, designating the human face detected by the face detection unit as a photometric area, and an exposure control unit configured to calculate the exposure based on the photometric result of the human face by the photometric unit, and to perform exposure control based on the calculated exposure.

Image pickup device, automatic focusing method, automatic exposure method calculating an exposure based on a detected face

An imaging apparatus that includes a device for discharging charge or F/E-IC for discharging charge accumulated in an imaging device or CCD and for canceling exposure in a discharging term of the charge. The imaging apparatus also includes a light shielding device or mechanical shutter unit for a mechanical shutter, which shields light by the mechanical shutter, and a control device or CPU block for hastening by a predetermined time the charge discharging term of the CCD in the discharging device and a light shielding timing of the mechanical shutter in the light shielding device, when a shutter speed for recording a subject is more than a predetermined time.

Imaging apparatus, imaging method and recording medium for minimizing release time lag

A photographing device and method of dividing data of electric charges stored in all pixels corresponding to an image focused on an photographing device having a color filter for resolving color into M(&#x2267;3) fields, transferring the divided data in sequence until data of m(&#x3c;M) fields of the M fields are transferred, the transferred data of the m fields including all types of color signals and pixels necessary to prepare a color image and preparing a color image using the transferred data.

An auto focusing apparatus comprises a contrast AF (auto focusing) means (), an outside light AF means (), a release button (), a focusing accurate priority button () and control means (). The control means controls the contrast AF () and outside light AF () to select a contrast AF operation when the focusing accurate priority button () is pressed before the release button () is pressed and to select an outside light AF operation when focusing accurate priority button () is not pressed before the release button () is pressed.

Auto focusing apparatus and image inputting apparatus

An image pickup device, method, computer program product, and information recording medium for recording image information corresponding only to a predetermined area at a given position in an image display device. An image pickup device, method, computer program product, and information recording medium for zooming in electrically an image in a predetermined area at an arbitrarily chosen given position and displaying the zoomed image in an image display device.

Growing community of inventors

Tokyo, Japan

Noriaki Ojima