摘要:
In a pattern formation member adopted to a sectioning image observation apparatus which selectively irradiates a light from a light source to a sample, scans the sample, and acquires a light from the sample as a sectioning image, the pattern formation member comprises an irradiation section and a cutoff section, each of the irradiation section and the cutoff section is in a straight pattern, and these straight patterns are disposed alternatively.
摘要:
In a microscope system in which at least one of a stage on which a sample 4 is mounted and an objective lens 6 can move relatively in a direction of an optical axis, a contact judgment section 12 judges the possibility of contact between the sample 4 and the objective lens 6 based on a result of comparison between a detection output from a contact sensor 11 which detects contact between the sample 4 and the objective lens 6 and a preset threshold value, excessive contact between the sample 4 and the objective lens 6 is avoided based on a result of this judgment, and a threshold value in the contact judgment section 12 is updated based on the output from the contact sensor 11 every predetermined time.
摘要:
A hauling unit hauls a subject to bend or rotate the subject. A control unit outputs a control signal that corresponds to a target value that is input by an operating unit. The control unit controls a variation amount of the control signal output in a predetermined range including a position of the hauling unit in a state before the hauling unit hauls to be greater than a variation amount of the control signal output outside the predetermined range. A driving unit drives the hauling unit based on the control signal.
摘要:
A displacement sensor which detects a positional displacement of a movable member, comprises a position signal generating section configured to generate a periodical signal in accordance with movement of the movable member, a generating section of a signal for detecting a reference position, configured to generate the signal for detecting the reference position, when the movable member is in a predetermined position, a reference position detection circuit configured to detect that the movable member is in a reference position based on the signal for detecting the reference position, generated by the generating section of the signal for detecting the reference position, in synchronization with the periodical signal generated by the position signal generating section, and a selecting section configured to be capable of selecting a phase position to be synchronized from a plurality of phase positions on the periodical signal in the synchronization in the reference position detection circuit.
摘要:
An outer-coating layer of a signal cable is sandwiched and is fixed between a rear end portion of a cylindrical member and a step portion of the inner diameter of a substrate fixing portion. A slip stop fixes the outer-coating layer in the pull-out direction. An electro-magnetic shielding layer is fixed by a fixing nut and is sandwiched and is fixed between a side end portion of a camera head portion in a pipe member and a step portion of the inner diameter of the cylindrical member.
摘要:
A body of a lens frame, which is a lens barrel of the present invention, consists of an inner frame for holding a lens, an intermediate frame in which an adjusting screw is screwed, and an outer frame in which an adjusting screw is screwed. The frames are connected to one another by parallel springs. In the case of this lens frame, the inner frame is displaced in the direction of X-axis or a horizontal axis by screwing the adjusting screw thereinto in the direction of the horizontal axis and screwing another adjusting screw thereinto by the direction of a vertical axis. Thus, the inner frame is displaced in Y-direction through the intermediate frames. Consequently, the translation of the position of the optical axis of the lens is performed without inclination of the intermediate frame. Hence, the adjustment of the position of the optical axis is easily achieved. Moreover, this lens frame achieves a reduction in the cost of components thereof.
摘要:
The invention provides a zoom lens system which has a zoom ratio of about 3, a wide field angle on the wide-angle end and a small F-number and enables satisfactory image-formation capability to be obtained. The zoom lens system comprises a first lens group G1 having negative power, an aperture stop, a second lens group G2 having positive power and a third lens group G3 having positive power. For zooming, the first and second lens groups G1 and G2 move on the optical axis with a varying spacing between adjacent lens groups while the third lens group G3 remains fixed. During zooming, the stop moves in unison with the second lens group. The first lens group consists of a negative, a negative and a positive lens and the third lens group consists of one lens. The first lens group further comprises a lens having an aspherical surface satisfying condition (1), and the third lens group further comprises a lens having an aspherical surface satisfying condition (2).
摘要:
A camera is provided that includes a dust-proofing member which has a transparent portion through which a visible light component is transmitted among beams incident from a photographing lens and which absorbs an infrared component, opposed to the front of an image pick-up device at a predetermined interval. A member for vibration is arranged at a peripheral portion of the dust-proofing member, and applies vibrations to the dust-proofing member. And a sealing structure portion is arranged at a portion formed by opposing the image pick-up device and the dust-proofing member, for sealing a space portion that is substantially sealed at peripheral portions of the image pick-up device and the dust-proofing member.
摘要:
An ultrasonic observation system of the invention includes a long ultrasonic probe having an ultrasonic sending and receiving portion, which can send and receive ultrasonic, and a holding portion, as a rotation operating portion, which can rotate the ultrasonic probe around an axis, which represents an arbitrary direction of oscillation directions of ultrasonic oscillated from the ultrasonic sending and receiving portion. A grasping portion is integrated with the holding portion. A contact portion is provided at the distal end of the grasping portion 613 and has an ultrasonic vibrator inside. A fixing frame is mounted to a distal end 622 of a holding unit 621 through a bearing 625 freely rotatably around a center axis Si of the ultrasonic probe.
摘要:
An optical apparatus minimizes autofluorescence and stray light as well as leakage of excitation light and efficiently utilizes illuminating light from a fluorescence illumination optical system to allow observation of a bright fluorescence image. An observation apparatus has an objective, an observation optical system unit including a variable magnification optical system, and an imaging optical system unit including an imaging lens and an eyepiece. A fluorescence illumination apparatus, which is provided separately, is removably attached to the observation apparatus. The fluorescence illumination apparatus has a light source, a collector lens unit, and a reflecting member placed between the objective and the observation optical system unit at a position displaced from the optical axis of the objective to make light from the light source incident on the objective. An excitation filter is provided between the light source and the reflecting member. An optical member for selectively transmitting fluorescent light emitted from a sample is placed between the objective and the observation optical system unit.