Abstract:
An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.
Abstract:
A capsule endoscope includes a plurality of function executing sections and which acquire information inside a body of a subject, a battery which supplies power to the plurality of function executing sections, a switching section having a plurality of switches which independently control power supply from the battery to the respective function executing sections, a magnetic field sensing section which receives a control signal from outside the subject, and a power control section which controls the switching section according to the number of times the control signal is received by the magnetic field sensing section.
Abstract:
An optical module includes an optical element including a light emitting section, a first wiring board, on a first principal plane of which the optical element is mounted, a ferrule functioning as a holding member including a through hole and disposed on a second principal plane of the first wiring board, an optical fiber inserted into the through hole of the ferrule, a side surface wiring board, a third principal plane of which is disposed in parallel to an optical axis and an end portion of which is connected to the first wiring board, an electrode being disposed on a fourth principal plane of the side surface wiring board, and a signal cable having a distal end portion bonded to the electrode of the side surface wiring board.
Abstract:
An optical transmission module includes a light emitting device for transmitting a first optical signal, a light receiving device for receiving a second optical signal, an optical fiber for guiding a third optical signal in which the first optical signal and the second optical signal are coupled, and an optical waveguide substrate having an optical waveguide made of first resin, wherein a groove formed on the optical waveguide substrate is provided with a prism having the optical fiber and a reflective face through which the first optical signal transmit, a first side face of the prism contacts a first wall face of the groove, and a second side face thereof contacts a second wall face of the groove.
Abstract:
An endoscope includes an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated and an optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section. The rigid distal end portion is provided with an image pickup device, an optical element that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole, into which a distal end portion of the optical fiber is inserted, and a wiring board on which the optical element is mounted and to which the holding member is joined. The optical fiber is inserted through a center of the bending section.
Abstract:
A capsule endoscope includes: an in vivo information acquiring section that acquires information on an inside of a body of a subject; a battery that supplies power; a power source switch that turns on/off power supply from the battery to the in vivo information acquiring section; a detection section that includes at least two electrodes disposed on an outer face of a casing, and, upon detection of introduction to the inside of the body of the subject based on a change in electric resistance between the electrodes, outputs a detection signal; and a control section that controls the power source switch according to the detection signal.
Abstract:
An optical module for endoscope includes an optical element, an optical fiber, a ferrule including a first principal surface, a second principal surface, and a side surface, an opening of an insertion hole being present on the first principal surface, the insertion hole having a bottom surface made of a transparent material, the optical fiber being inserted into the insertion hole, the optical element being bonded to the second principal surface, an opening of a groove connected to the insertion hole being present on the first principal surface, the grove having a bottom surface made of the transparent material, and transparent resin disposed in the insertion hole and the groove of the ferrule.
Abstract:
An endoscope includes an opto-electric composite module, an optical fiber, and a plurality of electric cables each including a core wire and a shielding wire. The opto-electric composite module includes a light emitting device, a wiring board including a plurality of bonding electrodes to which the plurality of core wires are bonded, a ferrule causing the optical fiber inserted into a first through hole to be optically coupled to the light emitting device, and a cable holder having grooves to which the plurality of core wires are fixed with the plurality of core wires so disposed as to be bonded to the plurality of respective bonding electrodes. The cable holder is a holder conductor electrically connected to a ground potential electrode of the image pickup device, and the shielding wires in the electric cables are bonded to the holder conductor of the cable holder via an electrically conductive member.
Abstract:
An optical transmission module includes: an optical fiber a cross section of which has a circular shape and an end surface of which is an inclined surface; and an optical element part including an optical element, wherein a cutout surface extending in an optical axis direction is formed in an outer circumference of an end portion of the optical fiber, and the angle of the inclined surface with respect to the main surface of the optical element is defined by the cutout surface, such that light guided through the optical fiber is optically coupled to the optical element.
Abstract:
A biological information acquiring system includes a biological information acquiring apparatus having a biological information acquiring section, and a magnetic field generation section, and the biological information acquiring apparatus includes: a power source section which supplies power for driving the biological information acquiring section; a magnetic field detection section which outputs a magnetic field detection signal according to a detection result of a magnetic field generated from the magnetic field generation section; a first switching control section which performs control an on/off state of a first switch section connected to the power source section based on an output state of the magnetic field detection signal; and a second switching control section which performs control the on/off state of a second switch section connected between the first switch section and the biological information acquiring section, based on the output state of the magnetic field detection signal.