摘要:
An optical scanning system has an image reading scanning system for emitting a first scanning beam of light to read an image of an object, an image forming scanning system for emitting a second scanning beam of light to form an image on a light receiving surface, and a light receiving element. Each of the first and second scanning beams is incident on the light receiving element when each of the first and second scanning beams is located at an end portion of a scanning area, and the first scanning beam and the second scanning beam have different optical characteristics. The optical scanning system also has a circuit for generating a horizontal synchronous signal for the image reading optical system and the image forming optical system, respectively, in accordance with light received by the light receiving element.
摘要:
A scanning optical system having an image forming optical system for emitting a scanning beam modulated in accordance with image information onto a destination surface. The scanning optical system further includes a reading optical system for receiving light reflected from an object surface to obtain image information from the object surface. Both systems make use of at least one common optical component, for example, a polygonal mirror, a cylindrical mirror, a common optical path or a toric lens.
摘要:
An imaging optical system for compensating for changes of temperature according to the present invention corrects a focal point for an entire optical system due to temperature change by changing a relative distance between a lens and a light receiving element. To this end, a correcting member, which expands and contracts due to temperature change, is disposed between the lens and the light receiving element. Moreover, the coefficient of thermal expansion is set to such a value so as to be able to substantially correct for the focal point change. According to another aspect of the present invention, the optical system includes a lens system which has at least a positive lens and a negative lens in order to offset the effect of the temperature change.
摘要:
Provided is a back sheet for a solar battery which holds an excellent gas barriering property and which is excellent in a weatherability and a light shielding property.It is a back sheet for a solar battery comprising a light shielding colored layer and a weather resistant polyester base resin layer and comprising a gas barriering layer containing a weather resistant coating layer and an inorganic thin film layer provided between the above layers, wherein the weather resistant coating layer comprises at least one selected from (a) a cross-linked product of polycaprolactonepolyol and/or polycarbonatepolyol, (b) a cross-linked product of modified polyvinyl alcohol and (c) an acryl base copolymer having at least one group selected from the group consisting of a UV ray stabilizing group, a UV ray absorbing group and a cycloalkyl group.
摘要:
A lens barrier opening/closing device of a movable lens barrel includes a barrier blade which is driven to open and close a photographic aperture; a barrier drive ring driven to rotate about an optical axis; a first biasing device which biases the barrier drive ring in a rotational direction; a rotational barrel which rotates about the optical axis; a receiving surface formed on the barrier drive ring to extend parallel to the optical axis; and a transmission surface, formed on the rotational barrel, extending parallel to the optical axis. The receiving surface and the transmission surface are engaged with each other to rotate the barrier drive ring together with the rotational barrel about the optical axis in a direction against a biasing force of the first biasing device when the movable lens barrel moves from either the photographing position to the accommodation position or vise versa.
摘要:
A lens barrel includes a guide barrel, an outer ring, an inner ring, a cam ring and a movable lens frame, arranged in that order from outermost side, wherein the axes thereof coincide with a common optical axis, the outer ring being guided linearly in the optical axis direction by the stationary barrel, the inner ring being linearly guided in the optical axis direction by the outer ring, and the cam ring being rotatable to move the movable lens frame in the optical axis direction; and a lens barrier mechanism having an aperture positioned in front of the movable lens frame, the lens barrier mechanism being provided on a front opening of the inner ring, for opening and closing the aperture.
摘要:
Data used for prediction is selected based on multivariate analysis, and thereby, prediction accuracy is improved. Operation data obtained every wafer processing and processing result data such as thickness of top electrode are stored (collected) in operation data storage sections 202 and a processing result data storage sections and 204, respectively. An analysis processing section 208 makes multivariate analysis with respect to the collected operation data, and thereafter, data used for prediction is selected based on the multivariate analysis. A correlation between the selected operation data and processing result data is found. Based on the correlation, a condition of the plasma processing apparatus or state of an object to be processed as the processing result using operation data when processing wafers other than wafers used for obtaining the correlation.
摘要:
A lens drive system includes a lens frame having a lens element; a nut member secured to the lens frame, and which are both movable in an optical axis direction without rotating; a feed screw shaft having a male thread portion and a non-threaded portion, the male thread portion being engaged with a screw hole of the nut member; a motor for rotating the feed screw shaft; and a biasing member for biasing the nut member in a first direction toward the male thread portion. When the feed screw shaft is rotated to move the nut member and the lens frame in a second direction toward the non-thread portion, the female thread portion is disengaged from the male thread portion to move onto the non-threaded portion before the lens frame or the nut member abuts against an element of the lens drive system and stops thereby.
摘要:
A lens barrel includes a stationary barrel, an outer ring, an inner ring, a cam ring and a movable lens frame, arranged in that order from outermost side, wherein the axes thereof coincide with a common optical axis, the outer ring being guided linearly in the optical axis direction by the stationary barrel, the inner ring being linearly guided in the optical axis direction by the outer ring, and the cam ring being rotatable to move the movable lens frame in the optical axis direction; and a lens barrier mechanism having an aperture positioned in front of the movable lens frame, the lens barrier mechanism being provided on a front opening of the inner ring, for opening and closing the aperture.
摘要:
A lens drive system includes a lens frame having a lens element; a nut member secured to the lens frame; a feed screw shaft having a male thread portion and a non-threaded portion, the male thread portion engaged with a screw hole of the nut member; an engagement portion formed on the nut member and having a deformable screw-engaging portion engaged with the male thread portion; and a motor for rotating the feed screw shaft. The screw-engaging portion is disengaged from the male thread portion when a large force is applied to the engagement portion in an axial direction. When the linear movement of the lens frame and the nut member is restricted during rotation of the feed screw shaft, the engagement portion remains on the male thread portion of the feed screw shaft while the female thread portion is moved onto the non-thread portion.