Nikkiso Company Limited

Canon Kabushiki Kaisha

Sumitomo Special Metals Co., Ltd.

Kazuo Nakagawa

Hiromi Yamazaki

Akio Nakanishi

Makoto Tsuneda

Atsushi Nukanobu

Akira Furuse

Yasushi Takakuwa

Kenichi Uchida

Yukio Naruse

Shoji Ichimasa

Hiroshi Yashima

Katsutoshi Horima

Yuichi Iritani

An image capturing apparatus comprises an imaging unit, a sensor unit, a first focus detection unit configured to detect a first in-focus position based on a pair of image signals, a second focus detection unit configured to detect a second in-focus position based on a signal output from the imaging unit, a control unit configured to control a position of the focus lens and control display indicating the focus detection areas, and a correction unit configured to acquire a correction amount for correcting the first in-focus position, wherein the correction unit determines a first focus detection area from which the correction amount is to be acquired while the focus lens is moved to the second in-focus position, and wherein the control unit controls the first focus detection area to be identifiable.

Image capturing apparatus, method of controlling the same, and storage medium

An image capturing apparatus includes an image sensor having a first pixel group that photoelectrically converts an object image from a first exit pupil region, a second pixel group that photoelectrically converts an object image from a second exit pupil region, and a third pixel group for capturing that photoelectrically converts an object image from overall exit pupil region; a focus detection unit that detects focus information by performing a defocus calculation with use of a first image signal obtained from the first pixel group and a second image signal obtained from the second pixel group; an image processing unit that converts captured image data into an image file for recording and saving; and a data recording unit that records, in association with the image file, signals obtained from the first pixel group and the second pixel group such that the defocus calculation can be performed.

Image capturing apparatus capable of storing focus detection data

There is provided a measuring device whose measuring accuracy is prevented from lowering when a plurality of lenses for guiding light rays to each of a plurality of photoelectric converters are integrated for the purpose of reduction in size. The measuring device is comprised of a composite optical part and a holding member. The composite optical parts is comprised of at least first and second photoelectric converters, and integrated first and second optical functional members that guide light rays to the first and second photoelectric converters. The holding member holds the first and second photoelectric converters and the composite optical part. The first and second optical functional members of the composite optical part are coupled so as to restrain light rays entering one of the first and second optical functional members and exiting from the other one of the first and second optical functional members from entering one of the first and second photoelectric converters corresponding to the other optical functional member.

Measuring device

The present invention provides a camera comprising a cam member having cam groves formed for moving lens units, where the cam groves alternately have variable power cam regions for moving the lens units for variable power and focusing cam regions for moving the lens units for focusing, an illumination device whose light distribution angle is changeable, and a finder device whose angle is changeable wherein the light distribution angle of the illumination device and the field angle of the finder device are changed while the lens units move in the variable power cam regions for variable power, and on the other hand, the light distribution angel of the illumination device and the field angle of the finder device are not changed while the lens units move in the focusing cam regions for focusing.

Camera having variable magnification where light distribution angle and field angle are unchangeable during focusing

A camera includes a lens barrel having a cam part in which a plurality of magnification varying cam areas for varying magnification and a plurality of focusing cam areas for focusing are alternately formed in a continuous manner, a flash light emitting part arranged to be capable of varying a luminous intensity distribution angle, a driving part for causing the lens barrel to move along an optical axis while rotating around the optical axis, the lens barrel having a lens thereof driven along the cam part to perform a magnification varying action or a focusing action, and a control mechanism for controlling the luminous intensity distribution angle of the flash light emitting part in association with the rotation of the lens barrel in such a way as to cause the luminous intensity distribution angle of the flash light emitting part to vary when the lens is driven to move along one of the plurality of magnification varying cam areas and to cause the luminous intensity distribution angle of the flash light emitting part not to vary when the lens is driven to move along one of the plurality of focusing cam areas.

Camera capable of varying luminous intensity distribution angle of flash device

An apparatus for coping with positional deviations of a film includes a determination circuit for determining a positional deviation of the film which is at a stop, a time measuring circuit for measuring time, and a positional deviation correcting part for correcting the positional deviation of the film in response to the determination circuit and the time measuring circuit.

Apparatus for coping with positional deviations of film

The present invention provides an apparatus for the analysis of mixed gas components which can perform, in high precision, determination of the . quantities of components contained in a sample gas containing a plurality of the components having molecular weights close to each other and which has a Fourier transform mass spectrometric means for ionizing a sample gas, applying a high frequency electric field to the ionized gas to induce cyclotron resonance, detecting the cyclotron resonance as a high-frequency decaying electric signal, and converting the resulting high-frequency decaying electric signal to a frequency-domain signal and a wavelength variable light irradiating means for irradiating a light of a single wavelength to ionize the molecules of the components constituting the sample gas, said irradiating means being able to vary the wavelength and/or intensity of the irradiation light.

Apparatus for analysis of mixed gas components

The present invention provides an apparatus for the analysis of mixed gas components which can perform, in high precision, determination of the quantities of components contained in a sample gas containing a plurality of the components having molecular weights close to each other and which has a Fourier transform mass spectrometric means for ionizing a sample gas, applying a high frequency electric field to the ionized gas to induce cyclotron resonance, detecting the cyclotron resonance as a high-frequency decaying electric signal, and converting the resulting high-frequency decaying electric signal to a frequency-domain signal and a wavelength variable light irradiating means for irradiating a light of a single wavelength to ionize the molecules of the components constituting the sample gas, said irradiating means being able to vary the wavelength and/or intensity of the irradiation light.

The invention provides a cavity resonator for an electron spin resonance device in which modulation coils for generating a modulation magnetic field to be applied to a sample in the cavity resonator are arranged at an exterior of the cavity resonator. The cavity resonator comprises a body being rectangular-defined by predetermined length, width and height. The body has a pair of side walls being vertical to the modulation magnetic field. The side wall respectively have at least thin portions of a thickness being nearly equal to or less than a skin depth of a skin effect appearing at the side walls. The modulation coils are arranged on the thin portions so as to have the modulation magnetic field be transmitted through the thin portions into the interior of the cavity resonator. Alternatively, it is possible that inner walls of the body are overlaid with metallic foils having at least sufficiently smaller thickness than a skin depth of a skin effect appearing at the walls.

Cavity resonator for an electron spin resonator

The invention provides an anesthesia monitor being able to directly make a separation and a determination in real time all components of a gas in which components having the same integer molecular weight exists, more particularly an expiration gas and an inspiration gas as the object of analysis. The monitor has a small size, a low price and a operational facility. A microscopic quantity of the expiration gas is introduced from a circular route of an anesthesia circuit for an inhalation anesthesia to the anesthesia monitor through a material pipe-line. A gas portion is transmitted by a rotary pump through valves and opening and closing valves to a measurement cell within a vacuum chamber arranged in a gap of between magnetic poles of permanent magnets in a Fourier transformation mass analyzer so that the expiration gas is subjected to a high speed sampling. An ionization of the ions is carried out within the measurement cell. A cyclotron resonance is caused thereby causing a high frequency voltage which is received by receiving electrodes of the cell. After a digiterzation of the signals, a computer executes a Fourier transformation mass analyzing process.

Anesthesia monitor

Electron spin resonator having variable resonance frequency and error

The invention provides an electron spin resonance device in which a measuring sample is arranged in a cavity resonator in a polarization magnetic field for a receipt of a predetermined microwave power and a subsequent resonance signal detection from said sample. A microwave signal amplifier is arranged on a prestage of a microwave detection circuit for an addition of a part of an output from a microwave oscillator at an input terminal of said amplifier so as to accomplish a balanced cancellation of a microwave reflective power from said cavity resonator.

Growing community of inventors

Tokyo, Japan

Kazuo Nakagawa