Abstract: Provided are a method for inspecting a refrigerant pipe, the method being able to quickly determine durability, and a refrigerant pipe confirmed to be highly durable. The method is a method for inspecting a refrigerant pipe containing copper or a copper alloy. In the method, the refrigerant pipe is exposed to an aqueous alkaline solution and inspected based on a color change of the refrigerant pipe due to exposure of the refrigerant pipe to the aqueous alkaline solution.

Abstract: A copper-containing refrigerant pipe having an anticorrosive film, a heat exchanger, and a method for producing the refrigerant pipe are disclosed. The refrigerant pipe includes a pipe body including copper or a copper alloy and an anticorrosive film formed on the outer surface of the pipe body. The anticorrosive film is obtained by applying a coating agent to the outer surface of the pipe body. The coating agent contains one or more anticorrosive agents selected from the group consisting of (A) an organic sulfonate compound, (B) a polyhydric alcohol-organic acid ester compound, and (C) an aliphatic amine compound having 8 to 24 carbon atoms. When the coating agent includes an anticorrosive agent of (C) the aliphatic amine compound having 8 to 24 carbon atoms, (C) the aliphatic amine compound having 8 to 24 carbon atoms is included in an amount of 2.0 wt % or more and 10.0 wt % or less in the coating agent.

Abstract: A method of manufacturing an evaporator of an air conditioner includes applying a coating agent to an outer surface of a heat transfer pipe to form a rust preventive film, wherein the coating agent includes a metal working oil and 0.1 to 1.0% by weight of a benzotriazole-based compound having a structure represented by the following formula (I) (wherein R1 to R4 each independently represent hydrogen or a methyl group, and R5 represents an aliphatic hydrocarbon group having 1 to 18 carbon atoms or (CH2)n—N—R6-R7, n being an integer of 1 to 3, R6 and R7 being each independently an aliphatic hydrocarbon group having 1 to 18 carbon atoms), inserting the heat transfer pipe having the rust preventive film formed thereon into a hole of a heat transfer fin, and expanding the heat transfer pipe inserted the heat transfer fin.

Abstract: An IC card (24) and a data memory card (23) are mounted to a terminal equipment (1) connected to a center computer (32) via a line. Confirmation information stored in the IC card is checked whether or not it coincides with confirmation information stored in an RAM (6) in the terminal equipment or confirmation information stored in the data memory card. After coincidence of the confirmation information is detected, the terminal equipment performs the processing to be conventionally performed by the center computer in place of the center computer. An IC card intake and outtake processing mechanism (104) in the terminal equipment does not send out the IC card to the outside of the terminal equipment when the power of the terminal equipment is shut down.

Abstract: A document analysis system for determining format information of a document, wherein frames and a relationship of the frames are extracted from an image of an unmarked sample document, characters in a frame of the document are recognized, and an image structure is analyzed based on the frame and the recognized characters.

Abstract: A heat fumigation apparatus for transpiring a solution of a chemical agent dissolved in a solvent by heating which comprises a container having the solution therein, a wick a part of which is immersed in the solution and a heater for heating the upper portion of the wick thereby transpiring the solution drawn up the wick. The wick is composed of an inorganic powder and/or an organic powder, a binding agent and at least one antioxidant which is substantially non-evaporative at a heating temperature.

Abstract: A document analysis system for determining format information of a document, wherein frames and a relationship of the frames are extracted from an image of an unmarked sample document, characters in a frame of the document are recognized, and an image structure is analyzed based on the frame and the recognized characters.

Abstract: An insecticidal composition for electric fumigator consisting essentially of:(A) an insecticidally effective amount of a preparation comprising 2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl-chrysanthemate and a synergist, wherein the weight ratio of said synergist to said chrysanthemate ranges from 1/2 to 8, and(B) a porous mat suitable for use on an insecticidal mat, said porous mat being impregnated with said preparation. This composition has both a lower content of an insecticidal active ingredient than ever and the capability of exhibiting a sufficient insecticidal activity over a long period of time.

Abstract: In a method for knock down of injurious insects or for freeing a particular environment therefrom by heating fumigation comprising dipping a part of a porous absorptive wick in an insecticidal solution to allow it to absorb the solution and indirectly heating said wick around the top to fumigate the absorbed insecticidal solution, a method for knock down of injurious insects or for freeing a particular environment therefrom, which comprises exposing the insects to the vapor, characterized in that a C.sub.12 -C.sub.18 aliphatic saturated hydrocarbon solution containing as an active ingredient 2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl chrysanthemate is used as said insecticidal solution, a porous absorptive wick prepared by caking a powdery inorganic substance with a binding agent is used as said porous absorptive wick, and besides that said absorptive wick is indirectly heated around the top to a temperature in a range of from 105.degree. to 130.degree. C.

Abstract: The present invention discloses a photoelectric converting apparatus which comprises a spot-like light beam generating source, an optical system scanning the light beam linearly on a scanned surface, and light receivers having a long piece along the direction of the scanned line and disposed close to the scanned surface in order to receive the reflected light from the scanned surface and generate an electric signal corresponding to the intensity of received light.

Abstract: An optical input and output device which includes laser beam generating means, a photo-conductive drum to be formed with an electrolatent image according to the intensity of a laser beam, scanning means for simultaneously deflecting and distributing the laser beam between the surface of a sheet of paper written with a picture image to be received and the surface of the photo-conductive drum to irradiate and linearly scan the respective surfaces, and photoelectric converting means made receptive of the laser beam reflected from the paper surface thereby to convert it into an electric signal.

Abstract: In a figure displaying device which generates edge data corresponding to the individual horizontal scanning lines, to display figures on the raster scanning type Braun tube relying upon the edge data, the improvement comprising at least two sets of memory groups which have a capacity corresponding to the number of picture elements at positions of even numbers and odd numbers on the horizontal scanning lines, and which store predetermined data in the addresses corresponding to the picture elements at which edges are present, at least two converter means for converting the data read in parallel from the memory groups into series data, selection means for selecting the outputs of said converter means, and control means for displaying figures on the monitor responsive to the output of said selection means.

Abstract: A figure displaying device operates to display a plurality of fundamental figures each defined by a preset number of vectors on a display device of the raster scanning type. The figure displaying device stores the start and end point coordinates of the respective vectors of the respective fundamental figures and the gradient data of the respective vectors of the fundamental figures, and determines whether the respective vectors are located on a horizontal scanning line or not for each fundamental figure prior to the scanning operation of the horizontal scanning line. If the vectors are located on the horizontal scanning line the gradient data corresponding to the vectors on the aforementioned horizontal scanning line is read out and added to the start point coordinates thereby to renew the start point coordinates.

Abstract: A figure displaying device for generating a brightness signal which corresponds to a figure information to be displayed as well as for generating a brightness modulation signal which varies within a predetermined first region on a display screen. The device also generates a frequency characteristic control signal which varies within a predetermined second region on the display screen. Furthermore, the display is able to subject the brightness signal to a brightness modulation in accordance with the signal from the modulator generator with the brightness signal being controlled by the frequency characteristics control signal. The resultant figure displayed on a monitor is based on a modulation signal obtained through the modulation generator and the frequency characteristics control generator.

Abstract: Herein disclosed is a figure displaying device for producing and displaying a figure on a raster scan television. The figure displaying device includes first memory means for storing the vertical and horizontal coordinate values of the stop information of one frame to be displayed and second memory means for storing preset information. Further inclusive is control means for locating such dot information having a vertical coordinate value corresponding to the vertical scan of the television from the first memory means so that the dot information may be stored at the address of the second memory means corresponding to the horizontal coordinate value of the dot information located.

Abstract: In an apparatus for pattern recognition provided with convertion means for converting a two-dimensional image carried on a picture into pattern signals, memory means for temporally storing the pattern signals from said convertion means, and recognition means for recognizing the pattern signals read out from said memory means, disclosed is a method wherein said picture is divided into a plurality of partial pictures in a manner that adjacent ones of the partial pictures hold in common a partially overlapped region, said convertion means convert, on a one-by-one basis of the partial pictures, the two-dimentional image into pattern signals to be stored in said memory means, and the stored pattern signals are, on a one-by-one basis of the partial pictures, read out to be recognized by said recognition means.

Abstract: A colored display system for displaying a plurality of colored solid surfaces each of which is obtained by coloring or painting in a region, comprising circuit means for generating figure information signals representative of the respective solid surfaces, a priority circuit for selecting one of the figure information signals in response to a predetermined priority order when the figure information signals are simultaneously generated, a memory circuit for storing color information, circuit means for reading out the color information corresponding to the selected figure information signal from the memory circuit and a color cathode ray tube for displaying the colored solid surfaces in response to the color information read out.

Abstract: A digital differential analyzer comprises an arithmetic unit for performing an integration operation, a control unit for controlling the arithmetic unit, a plurality of temporary storage means in the arithmetic unit for temporarily storing interim results of the arithmetic operation therein to relieve the influence of propagation delay time of the arithmetic unit.