Olympus Corporation

Takayuki Ide

Kimihiko Nishioka

Shinji Kaneko

Yuta Sugiyama

You Kondoh

Shinji Yasunaga

Hiroyuki Minakata

Hiroshi Wakai

Hideki Nagata

Atsushi Kohashi

Minoru Omaki

Tomoya Ueda

Shunichi Shinohara

Eiji Mochizuki

An antifogging device includes: a heater configured to apply heat to an optical member; a temperature sensor configured to detect a temperature; a circuit board with a surface mounted the heater and the temperature sensor; a sealing member that is made of a resin material and that is applied to the surface to seal the heater and the temperature sensor; and a joining part that is provided on at least part of the surface and that is made of an inorganic material, the joining part being configured to: extend along a periphery of the surface in a state of being exposed to a side surface of the circuit board; and contact the sealing member.

Antifogging device, endoscope device and method of manufacturing antifogging device

An antifogging device includes: an optical system having one or a plurality of optical members including at least an objective lens; a hollow casing in which the optical system is stored; a heater configured to generate heat according to supplied power to heat a hollow space in the casing; a temperature sensor configured to detect temperature of the hollow space; a temperature controller configured to estimate temperature difference between the temperature detected by the temperature sensor and temperature of the optical member, based on a power value of the supplied power; and an overall controller configured to control the heater based on the temperature difference estimated by the temperature controller.

Antifogging device and endoscope device

In a state in which a heat generator and a temperature sensor are disposed on a wiring board, a measurement wiring is disposed in a vicinity of the heat generator, or the temperature sensor is disposed in a vicinity of a heat-generation wiring. A suppressing portion is disposed in either a first heat transfer path extending from the heat generator to the measurement wiring or a second heat transfer path extending from the heat-generation wiring to the temperature sensor. The suppressing portion suppresses heat transfer from the heat generator to the measurement wiring in the first heat transfer path, or suppresses heat transfer from the heat-generation wiring to the temperature sensor in the second heat transfer path.

Endoscope antifogging unit and endoscope system

A medical treatment apparatus is an apparatus for treating a living body tissue by heating the living body tissue. The apparatus includes a heat transfer portion, a heating chip and a flexible substrate. The heat transfer portion is configured to come into contact with the living body tissue and transfer heat to the living body tissue. The heating chip is disposed on the heat transfer portion and is configured to heat the heat transfer portion. The flexible substrate is partly joined to a first surface of the heat transfer portion on which the heating chip is disposed, with a remaining portion extending outside the heat transfer portion. A heating trace for supplying power to the heating chip is formed on the flexible substrate.

Medical treatment apparatus

A heater unit includes a heater which is provided inside of a distal end portion of an endoscope insertion portion and which heats the inside to prevent fogging which occurs in an optical member provided the inside, a temperature sensor which measures the temperature of the inside and a flexible substrate. The heater unit further includes an insulating sealing portion which seals a mounting surface of the heater mounted on the flexible substrate, which seals the heater so that so that a joint surface of the heater that faces the mounting surface and that is joined to the lens frame is exposed and which seals the whole temperature sensor.

Endoscope fogging prevention heater unit and endoscope

A light controlling apparatus includes a substrate having an aperture, a light controlling section which includes at least one incident-light controlling means, having a magnet joined to a position of a center of rotation, and which rotates in a plane perpendicular to an optical axial direction, on the substrate, and at least one coil which imparts a rotational force to the magnet. The incident-light controlling means is displaced to a retracted position of being retracted from the position of the aperture, by supplying an electric power supply, and in the light controlling apparatus in which, incident light which passes through the aperture is controlled, the coil is disposed to be extended in a direction parallel to the optical axis.

Light controlling apparatus including at least one magnet and at least one coil and optical system

A light adjusting apparatus includes a substrate () having an aperture, a plurality of incident light adjusting units () each moving in a same plane, and a plurality of driving units () respectively driving the incident light adjusting units (), and adjusts an incident light passing through the aperture by mutually moving the incident light adjusting units () with the driving units to an aperture position that is center-aligned with the aperture and a retracted position that is retracted from the aperture. An incident light adjusting unit that is moved to the aperture position is positioned by contacting with at least one of other incident light adjusting units that are retracted from the aperture.

Light adjusting apparatus for positioning an incident light adjusting unit

A light adjusting apparatus including: first and second substrates, at least one of which has an aperture; a spacer which defines a distance between the first and second substrates; at least one incident light adjuster which includes a shaft member as a center of rotation and rotates between the first and second substrates in a plane orthogonal to an optical axis direction, a magnet being formed on at least part of the shaft; at least one driving device which includes a coil formed separately from the magnet, and drives the incident light adjuster; wherein the driving device rotates the incident light adjuster between a position at the aperture and a position to retract from the position of the aperture, further comprising a guide portion which is formed on the first substrate to restrict movement of the shaft member in directions other than a rotation direction thereof.

Light adjusting apparatus

A method of driving light controlling apparatus which includes a substrate, which has an aperture, a plurality of incident-light controlling unit which are displaced on the substrate, a plurality of driving unit which exert on the incident-light controlling unit, an aperture-displacing driving force which displaces the incident-light controlling unit to an aperture position, and a retracting-displacement driving force which displaces the incident-light controlling unit to a retracted position which is different from the aperture position, and in which, the incident-light controlling unit is displaced by the driving unit to the aperture position and the retracted position alternately, and incident light passing through the aperture is adjusted, and the displacement of each incident-light controlling unit to the aperture position is exclusive for the other incident-light controlling unit, includes a step of displacing the incident-light controlling unit, which includes a step of displacing a first incident-light controlling unit disposed at the aperture position, to the retracted position, and a step of displacing a second incident-light controlling unit disposed at the retracted position, to the aperture position, after completion of the step of displacing the first incident-light controlling unit to the retracted position.

Light controlling apparatus, control unit of light controlling apparatus, and method of driving light controlling apparatus

A mobile device system includes a plurality of mobile devices, each to which unique identification information is assigned, wherein each mobile device includes a location-information acquisition unit, a communication unit, and a group registration unit. The communication unit links location information acquired by the location-information acquisition unit of the mobile device and the identification information of the mobile device, sends the information to other mobile devices, and receives from the other mobile devices location information of the other mobile devices and identification information linked to the location information of the other mobile devices. The group registration unit detects other mobile devices located within a predetermined range of the mobile device on the basis of the location information of the other mobile devices and the location information of the mobile device and registers the identification information of the detected other mobile devices as a group.

Mobile device system and mobile device

A light control apparatus for controlling incident light passing through an aperture includes a substrate having the aperture, a plurality of incident light control members that are moved respectively in different planes perpendicular to an optical axis direction on the substrate, a plurality of drive members that drive the incident light control members, and separating members that separate, with a certain gap, moving spaces in which the plurality of incident light control members moves in the respective planes. The plurality of incident light control members are each moved by the drive members between an aperture position and a retracted position away from the aperture position.

Light control apparatus

A light adjusting apparatus for use with a small-size image pickup equipment. The light adjusting apparatus includes two substrates, out of which, one has an aperture, a spacing portion which regulates a distance between the two substrates, at least one incident-light adjusting unit which has a shaft member which becomes a center of rotation, and which is turned in a plane perpendicular to an optical axial direction, between the substrates, and at least one driving unit which drives the incident-light adjusting unit. Incident light which passes through the aperture is adjusted by turning the incident-light adjusting unit alternately, to the aperture and to a retracted position which is retracted from the aperture, by the driving unit. The light adjusting apparatus includes a notch which receives the shaft member, formed in the substrate, and a retaining portion which prevents the incident-light adjusting unit from dropping.

An incident-light controlling apparatus has a first aperture in a substrate, a diaphragm blade which rotates around an axis, and controls light passing through the first aperture, by the diaphragm blade rotating alternately between a first stationary position coinciding with the first aperture, and a second stationary position retracted from the first aperture, a permanent magnet joined directly to the diaphragm blade, at a position of the axis of rotation of the diaphragm blade, and magnetized in a direction of a plane of rotation of the diaphragm blade, and a pair of coils having a winding around cores disposed such that an end portion of each coil faces the magnet. The diaphragm blade rotated alternately between the first and second stationary positions due to an interaction between a generated magnetic field upon passing an electric power, and a magnetic field generated due to the magnet.

Incident-light controlling apparatus

A plurality of mobile devices interoperate without configuration operation. A mobile device system including a plurality of mobile devices is provided. Each mobile device is operable in one of an independent-operation mode in which the mobile device operates with priority over the other mobile devices and a dependent mode in which the mobile device operates dependently on another mobile device and includes a control unit having a start-up-order detection unit configured to detect the start-up order of the mobile device with respect to the other mobile devices. A first mobile device operates in the independent-operation mode when the start-up order of the first mobile device detected by the start-up-order detection unit is earlier than the start-up order of a second mobile device and operates in the dependent-operation mode when the start-up order is later than the start-up order of the second mobile device.

A fixed aperture and a fixed shaft are formed in a fixed member. A drive shaft is formed in a driving member. A fixed shaft hole and a drive shaft hole are formed in a plurality of diaphragm blades, and the plurality of blades is connected to the fixed shaft and the drive shaft. An aperture diameter of a variable aperture AP which is an aperture zone formed by the plurality of diaphragm blades is controlled by rotating relatively the driving member with respect to the fixed member. Here, the diaphragm blades are disposed in a plurality of layers, and a part of) the diaphragm blades belonging to an adjacent layer are disposed to be overlapping with respect to an optical axis direction.

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Fussa, Japan

Takayuki Ide