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Patent Searching and Data


Matches 901 - 950 out of 3,752

Document Document Title
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...  
JPH1154112A
To provide a secondary battery having high capacity and an excellent cycle characteristic by using a negative electrode constituted by applying a negative electrode active material capable of storing and releasing a lithium ion to outsid...  
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 ...  
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...  
JPH1155310A
To quickly and accurately retransmit an electronic mail by storing the received electronic mail and also the address of the mail originator and transmitting automatically an electronic mail to ask the mail originator to retransmit the st...  
JPH1154111A
To facilitate winding of an electrode sheet. An electrode sheet 10 is constructed of an insulating film 11 serving as a base, a positive electrode collector layer 12 and a negative electrode collector layer 13 arranged on both side faces...  
JP2860176B2  
JP2859418B2  
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...  
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...  
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 ...  
JPH1130118A
To improve fuel consumption of an engine by optimally controlling the reducing agent supplying amount and the timing so that the decrease of NOx may be performed at high efficiency. A device is provided with an NOx purifying catalyst 18,...  
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...  
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 ...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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  
JP2806104B2  
JPH10253881A
To excellently correct a chromatic aberration, and read a color document with high definition by arranging positive first lens and second lens, negative third lens and fourth lens and positive fifth lens and sixth lens in this order from...  
JPH10257506A
To suppress the occurrence of color moire without using any optical low-pass filter by specifying the relation between an optical lens and a color imaging device. An image pickup device is constituted so as to satisfy the conditional exp...  
JPH10239594A
To correct distortion aberration satisfactorily and prevent shading, by providing a solid image pickup element for generating larger output to luminous flux entering a light receiving face in the state of inclining outward from the optic...  
JP2790919B2  
JPH10227974A
To provide the photographic lens for an electronic still camera which is compact and has a wide field angle and excellently compensates distortion by arranging a negative lens which is concave to the image place side, a positive meniscus...  
JPH10221509A
To provide an image-forming optical system and a photographic measuring method with which a position of the gravitational center of an object image can be precisely measured when photographic measurement can be carried out by using an el...  
JP2787475B2  
JPH10213739A
To obtain a photographing lens which has single-lens constitution, which is made small in size and where color aberration is excellently compensated by providing a positive lens with at least one aspherical surface and one diffraction le...  

Matches 901 - 950 out of 3,752