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Patent Searching and Data


Matches 1,001 - 1,050 out of 3,865

Document Document Title
JP11084230A
To provide a wide-angle lend small in size, light in weight, low in cost and also compensative in various aberrations with simple constitution such as four groups and five lenses. This lens is composed of four groups and five lenses, tha...  
JP11084229A
To obtain a single focus lens small in size, reduced in the number of lenses, low in cost and excellent in performance while securing sufficient back focus by using a diffraction optical element. This single focus lens is constituted of ...  
JP2873912B2  
JPH1177007A
To provide an anaerobic digestion method of organic waste in which impurities are separated and removed by a simple means without using a specific device. In the method for anaerobically digesting organic waste 1 containing hardly biodeg...  
JP2871021B2  
JP2867375B2  
JPH1161308A
To obtain a galvanic anode suitable for preventing the corrosion of iron reinforcing bars in reinforced concrete by using an Al alloy contg. specified amts. of Zn and Ti and the balance Al with inevitable impurities. The Al allay contain...  
JP11064727A
To compose a lens system of lenses having shape easy in machining, to restrain distortion aberration and chromatic aberration to the comparatively minimum and to obtain excellent optical performance by arranging a lens group having negat...  
JPH1151880A
To provide a moisture containing amount measuring unit capable of highly precisely measuring an amount of moisture containing in an inner lining refractory stuck on the surface of the iron plate of an iron melting vessel. With regard to ...  
JPH1155309A
To efficiently receive an electronic mail at the time of receiving the same electronic mail by plural electronic mail clients used by the same user from an electronic mail server. In this mail system, the same electronic mail is received...  
JPH1152228A
To provide a wide angle lens and a super-wide angle lens for an electronic image camera e.g. a video camera and a digital still camera, specially a wide angle lens having a viewing angle of about 75° and a long back focal distance. This...  
JPH1152227A
To provide a photographing lens having a sufficient back focas and telecentric property and obtaining good image forming performance by a small number of component lenses. This photographing lens is composed and arrayed in order from an ...  
JPH1152229A
To sufficiently secure back-focal distance and to excellently compensate magnification chromatic aberration and the curvature of field at the periphery part of an image plane by constituting the lens of a front group for diverging action...  
JP2860176B2  
JP2859418B2  
JP11044839A
To obtain a rear diaphragm type photographing lens having good optical performance over the entire image plane while realizing the miniaturization and the wide angle of an entire lens system. This lens is provided with a 1st lens L1 bein...  
JP11044801A
To provide a photographing lens capable of realizing the reduction of cost without deteriorating lens performance. This photographing lens 40 has positive refractive power and is positioned and held on the object side of a diaphragm aper...  
JPH1144841A
To obtain a lens, having a lens effect by diffracting action on both surfaces, where image performance is prevented from lowering due to high order diffracted light and chromatic aberration is compensated without increasing the number of...  
JPH1144007A
To simply, quickly and surely seal a joint between precast concrete floor boards at a low construction cost in comparison with a conventional method as a leakage countermeasure of the joint between precast concrete floor boards and to en...  
JPH1134420A
To dispense with ensuring of an excessive peripheral space for the replacement of a ribbon cartridge by effectively utilizing the upper space of a printer and to easily perform ribbon cartridge replacing work. A printer wherein a ribbon ...  
JPH1130116A
To secure, with a simple constitution, insulation between an external alternating-current power source and a combustion control device equipped with a micro-computer, and to supply, to the combustion control device, an inlet signal that ...  
JP11023959A
To obtain a compact photographing lens whose front lens diameter is small and which has high optical performance over an entire image plane. A positive meniscus 1st lens L1 whose convex surface is faced to an object, a negative 2nd lens ...  
JPH1123207A
To make the assemblage of a rotational displacement detector easier. A rubber bush 37 which controls relative rotation between the input shaft 35 of a potentiometer 21 which detects the angle of rotation of the king pin 15 and the pin 15...  
JPH1124809A
To provide an infrared communication device of an information processor which never deteriorates the operability and the freedom of placement for its peripheral device and also never produces electrical noises for the transfer of informa...  
JPH1116614A
To provide a wiring member that facilitates connecting work without using a special tool in spite of having press-contact type terminal strips. A terminal board 22 of a housing 1 is provided with a press- contact type terminal strips 32....  
JPH1116613A
To provide a connecting part that is electrically stable and has excellent mechanical characteristics by placing a split band conductor and an insulating film in a slot with one surface side held down by a press-in terminal. On one face ...  
JP2846821B2  
JP2836691B2  
JPH10325919A
To miniaturize the whole lens system and to satisfactorily correct various kinds of aberration, specially, a distortion by arranging a diaphragm, a biconvex lens, a biconcave lens, a biconvex lens and a meniscus lens having a convex on a...  
JPH10325920A
To obtain an optical system which performs excellent eccentricity adjustment with the constitution of small number of lenses and whose producing performance is hardly deteriorated in comparison with designing performance by assembling a ...  
JPH10319315A
To make a manufacturing cost low while improving resolution by making second and third lenses nearly the same shape from an object side with respect to an image formation lens constituted of three lenses. A first lens L1 is a biconcave l...  
JP2858639B2
To obtain an ultraviolet wide-angle lens which has a small F number and a wide field angle and secures a space where plural ND filters, polarizing filters, etc., that are put in and out are arranged between lenses and is excellent in ima...  
JPH10319314A
To obtain a compact optical system obtaining high image quality and provided with many usable interchangeable lenses and to reduce the drop of illuminace by constituting the optical system of a condenser lens group and an image-formation...  
JP2829981B2  
JPH10311946A
To provide a high performance and bright triplet lens using a diffraction optical element by constituting it with a positive lens, a negative lens and the positive lens from an object side, providing at least a surface of diffraction sur...  
JP2826319B2  
JP2825657B2  
JP2825356B2  
JPH10307253A
To obtain high reading density in the vicinity of image formation magnification 0.16535, to reduce cost and to obtain the sufficient angle of view and sufficient brightness by arranging 1st group to 4th group which are positive, negative...  
JPH10301022A
To attain miniaturization and lowering the cost of a lens and to easily suppress the movement of focus due to temp. change by making a first and a second meniscus lenses whose concave surfaces confront to each other to be plastic lenses ...  
JPH10301021A
To attain the cost reduction and high performance of a telephoto lens while making the telephoto lens small in size by dividing the whole lens system into two front and rear groups, having a telephoto lens constitution in which the front...  
JPH10301057A
To achieve miniaturizing without reducing illumination flux at all and to provide a microstructure and light/thin projection type optical device by configuring a part interfering with an illumination optical system excluding optical lens...  
JP2848523B2
To provide an inexpensive image pickup lens of high performance having a F value of about two, composed of a small number of lenses, two lenses, and available for a lens of CCDTV, etc. This image pickup lens is composed of a first lens h...  
JPH10282410A
To provide a compact, high-performance, inexpensive and light-weight lens for a CCTV by constituting a lens system consisting of a first diaphragm, a lens and a second diaphragm so that at least one surface thereof is aspherical and a sp...  
JPH10282411A
To provide a projection optical system constituted so that partial chromatic aberration and the other monochromatic aberration can be compatibly corrected by including a first lens group having positive power, a second lens group having ...  
JPH10282407A
To provide an optical lens capable of obtaining sufficient compensation of aberration to a different color wavelength. An optical lens is composed so as to have joined lenses 11, 12 made of a material having different refractive indices ...  
JP2811447B2  
JPH10268188A
To properly maintain a back focus without using an spherical lens, while realizing compact type, by inseating a negative lens having a prescribed refracting power at the pre-stage of a front joint lens, applying a gauss type lens constit...  
JP2808817B2  
JP2808628B2  

Matches 1,001 - 1,050 out of 3,865