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US 10,455,664 B2Granted
Analyte-information acquisition apparatus
AssigneeCanon Kabushiki Kaisha
InventorsToshinobu Tokita, Yasuhiro Someda
Life of this patent
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Abstract
To improve the safety of a photoacoustic apparatus by preventing illumination light from being freely emitted. A photoacoustic apparatus includes a position sensor that measures the orientation and/or position of an illumination-light emission end and a control unit that controls light emission from a light source depending on the output of the position sensor.
Claims15
An information acquisition apparatus comprising:
- a light emitting unit including an emitting portion from which light is emitted;
- a probe configured to receive a photoacoustic wave generated in an object in response to an irradiation of the light onto the object and to output an electrical signal;
- a detecting unit configured to detect a direction in which the light is to be emitted from the emitting portion;
- and
- a control unit configured to control emission of the light on a basis of at least the detected direction of the light to be emitted from the emitting portion,
- wherein the control unit controls the light emitting unit in such a manner that the emitting portion does not emit light in a case where it is determined that the detected direction is not within a predetermined value, on the basis of the detection result of the detecting unit.
3 more elements
A controller of an acoustic wave reception apparatus comprising:
- a light emitting unit from which light is emitted;
- and
- a transducer that outputs a reception signal in response to a reception of an acoustic wave,
- wherein the controller is configured to control the light emitting unit in such a manner that the light emitting unit does not emit light in a case where a direction in which the light is to be emitted from the light emitting unit is not within a predetermined value.
1 more element
Dependencies are inferred from the claim text.