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Class 348/363 - Automatic control of iris, stop, or diaphragm


Subclass of Class 348 - Television
Definition: Subject matter wherein the exposure is controlled by opening
No. of patents: 266
Last issue date: 05/01/2012


1              
NumberTitleIssue Date
8169535Interchangeable lens, camera body and camera system
An interchangeable lens mountable to a camera body includes an optical system operable to collect light from a subject to form a subject image, a diaphragm operable to adjust an amount of light of the subject image to be collected by the optical system, a driving un...
05/01/2012
8169536Optical imaging device, and lens control method and apparatus
The invention provides an optical imaging device, which includes: an input unit, adapted to receive lens category information that is inputted; a storage unit, adapted to store at least one lens control model; and a control unit, adapted to select, according to the ...
05/01/2012
8164685Image pickup apparatus which performs aperture value control for a multiple exposure image, and recording medium
An image pickup apparatus according to the present invention comprises an image pickup unit for obtaining an image, the image pickup unit including an image pickup element and an image pickup optical system which includes an aperture stop and forms the image on the ...
04/24/2012
8111322Imaging apparatus with interchangeable lens apparatus, the lens apparatus having a memory for storing optical performance data of the lens apparatus
An optical apparatus including an imaging apparatus and a lens apparatus each having a communicating portion performing communications is disclosed. The optical apparatus is provided with: an imaging optical unit; a memory in which information of an optical performa...
02/07/2012
7995137Exposure compensation method for digital image
An exposure compensation method automatically generates an accurate exposure value to clearly show the profiles of objects in front of a black background or a white background. First, initial edge energy is derived from luminance values for pixels in a digital image...
08/09/2011
7995138Camera, aperture controlling method and apparatus, lens controlling method and apparatus, and edging amount controlling method and apparatus
Maximum and minimum aperture sizes are regulated with regard to a diaphragm in order to secure predetermined optical capability in an optical unit which includes a taking lens and the diaphragm. In normal taking, the diaphragm is used within a normal taking range fr...
08/09/2011
7995139Image pickup apparatus having iris member and filter units
An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mech...
08/09/2011
7936393Camera, aperture controlling method and apparatus, lens controlling method and apparatus, and edging amount controlling method and apparatus
Maximum and minimum aperture sizes are regulated with regard to a diaphragm in order to secure predetermined optical capability in an optical unit which includes a taking lens and the diaphragm. In a normal taking, the diaphragm is used within a normal taking range ...
05/03/2011
7876376Image pickup apparatus having iris member and filter units
An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mech...
01/25/2011
7839449Camera, aperture controlling method and apparatus, lens controlling method and apparatus, and edging amount controlling method and apparatus
Maximum and minimum aperture sizes are regulated with regard to a diaphragm in order to secure predetermined optical capability in an optical unit which includes a taking lens and the diaphragm. In a normal taking, the diaphragm is used within a normal taking range ...
11/23/2010
7782393Multiple exposure methods and apparatus for electronic cameras
A method for capturing multiple sets of image data with an electronic camera having a shutter and an electronic shutter for selectively allowing light to reach an image sensor comprises opening the shutter and the electronic shutter, allowing light to reach the imag...
08/24/2010
7764322Liquid crystal testing apparatus and method for image capture devices
A testing apparatus (100) for an image capture device (401) includes a liquid crystal device (101). The liquid crystal device (101) includes an array of pixels (102), which may actively or passively be changed from a transparent st...
07/27/2010
7760265Shutter module for use in image sensor employing line scan and method for controlling the same
An image sensor shutter module for use in an image sensor outputting image data with scanning line by line and a method for controlling the same are provided. The method for controlling a shutter for use in an image sensor includes: opening electronic shutters for e...
07/20/2010
7738030Image processing apparatus for print process of photographed image
An image processing method of performing various image correction processes to a photographed image and printing the photographed image comprises the steps of: inputting image information to which photographing condition information is added; analyzing the character...
06/15/2010
7697059Imaging system where a quick return mirror is returned to a down state and a stop is returned to a fully open state before the accumulation period ends
An apparatus has an image sensing device, and a signal processing device for performing a first image sensing operation for making the image sensing device perform an image sensing operation in an exposure state to obtain a sensed image signal, and a second image se...
04/13/2010
7477314Exposure control method and apparatus for an image pickup apparatus
The invention concerns with an exposure control mechanism for use in an image pickup apparatus in which a diaphragm aperture formed by a plurality of diaphragm blades moving straightforward in opposite directions is covered by an ND filter, and intends to prevent de...
01/13/2009
7477313Light-quantity adjusting apparatus, optical apparatus, and camera
A light-quantity adjusting apparatus which can temporarily suppress an MTF (contrast) from being deteriorated by small-aperture diffraction is disclosed. The light-quantity adjusting apparatus comprises a main body in which an opening is formed, a light-blocking mem...
01/13/2009
7471331Lens apparatus including image pick-up optical unit and controller for controlling change of aperture diameter
This invention discloses an optical apparatus including an image pickup optical unit, a light quantity adjustment unit inserted in the optical axis of the image pickup optical unit, the light quantity adjustment unit changing the aperture diameter to change the ligh...
12/30/2008
7436449Electronic imaging system
The invention relates to an electronic imaging system such a video camera or digital camera, whose thickness or size is reduced while performance degradation is reduced as much as possible. The system comprises a zoom lens system comprising a first G1, a seco...
10/14/2008
7436451Image sensing apparatus and its control method
An image sensing apparatus in which time required before the apparatus becomes in an image-sensing possible status is reduced. The image sensing apparatus has a constituent element comprising a first image sensing unit as a main unit and a constituent element compri...
10/14/2008
7420611Electronic image pickup system
The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup...
09/02/2008
7417684Electronic image pickup system
The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup...
08/26/2008
7414665Imaging system
The invention relates to an imaging system in which, while high image quality is maintained with the influence of diffraction minimized, the quantity of light is controlled, and which enables the length of the zoom lens to be cut down. The imaging system comprises a...
08/19/2008
7394493CCD camera utilizing an IRIS and method for controlling the same
A Charge Coupled Device (CCD) camera and a method for controlling the same. When a photographing command is input from the input unit by operation of user, the controller controls the iris drive unit so as to open and close the iris periodically for a preset time. A...
07/01/2008
7394498Liquid-crystal light-amount adjusting device, method of driving liquid-crystal light-amount adjusting device, and camera including the liquid-crystal light-amount adjusting device
A liquid-crystal light-amount adjusting device in which the effective power of driving pulses for acceleration is optimized to improve response characteristics of optical transmittance, a method of driving the apparatus, and a camera including the apparatus. The liq...
07/01/2008
7372498Image pickup apparatus having a shutter clutch
In an image pickup apparatus having an openable and closable shutter mechanism to protect an image pickup lens portion of a ultra-small and light-weight video camera, the shutter mechanism is composed of a drive mechanism 34 including an output shaft rotated ...
05/13/2008
7365791Image pickup apparatus having iris member and filter units
An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mech...
04/29/2008
7361140Connector for a combination cable, combination cable connected thereto, socket therefor, device for feeding light, plug connection system and endoscopy system
A connector for a combination cable comprising at least one light guide and several electric lines has body, which can be introduced in the plugging direction into a socket and by means of which the connector can be held in the socket, a light guide holder having a ...
04/22/2008
7355635Electronic camera capable of having results of previous image pickup processing reflected in current image pickup processing
An electronic camera according to the present invention includes an imaging part, a conditional information determining part, a storage part and a correction processing part. The imaging part images a subject to produce image data. The conditional information determ...
04/08/2008
7338174Shutter device and projection type video display
Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and rotates around the shaft. Second divided shading plates are fixed to the r...
03/04/2008
7339615Method and apparatus for capturing images and for recording data that includes image data and audio data separately prepared from the image data
A method and apparatus for recording data including image data, which includes: a recording unit 220 for recording image data; a play unit 250 for playing data including audio data; a release switch 114 for giving instructions to record image da...
03/04/2008
7340767Camera apparatus, image server and image server system
An image server includes: a focus position control unit for determining a focus position based on a maximum value of focus evaluation detected by a picture signal level detection unit; and a focus lens driver for moving the focus lens in predetermined control volume...
03/04/2008
7321395Image capturing apparatus and method of setting exposure for AF control executed by image capturing apparatus
It the image capturing apparatus, if AF control is carried out by illuminating an object with AF auxiliary light, then when the auxiliary light is emitted, exposure for the AF control is set according to an EV value determined by illuminating the object with the aux...
01/22/2008
7321470Camera
A camera having a lens barrel housed therein includes a reflection optical member for reflecting a light beam incident along a first optical axis (O1) from a subject so as to reflect the light beam toward a second optical axis (O2) intersecting the fir...
01/22/2008
7304683Method of automatically adjusting exposure in a shutterless digital camera
In accordance with the present invention a shutterless single lens digital still camera includes an internal processor and auto exposure algorithm that automatically adjusts the exposure of the camera in high and low ambient lighting conditions. The auto exposure al...
12/04/2007
7301576Electronic imaging apparatus
1. An electronic imaging apparatus comprises an imaging optical system, and an imaging device which converts an object image obtained via the imaging system to an electric signal. All of medium of optical elements which is disposed in a space between a most object s...
11/27/2007
7292280Camera, aperture controlling method and apparatus, lens controlling method and apparatus, and edging amount controlling method and apparatus
Maximum and minimum aperture sizes are regulated with regard to a diaphragm in order to secure predetermined optical capability in an optical unit which includes a taking lens and the diaphragm. In a normal taking, the diaphragm is used within a normal taking range ...
11/06/2007
7283171Image pickup apparatus with external device
An image pickup apparatus including an image pickup device configured to convert a monitored object image into an electrical image signal and to output the image signal, a clock generator configured to generate a constant cyclic drive frequency to drive the image pi...
10/16/2007
7280150Video camera with aperture blade
A video camera (10) includes a photographing device (16). The photographing device (16) generates an image signal corresponding to an optical image irradiated on a light-receiving surface, and a monitor (34) displays a moving image based ...
10/09/2007
7268806Exposure control device for camera mounted on electronic apparatus
An exposure control device accurately adjusts exposure even when photographing the operator. An area-integration circuit divides a photographed image into a central area and a peripheral area to integrate corresponding video signals for the respective areas. When th...
09/11/2007
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