Abstract: A liquid crystal display device with an illuminator installed in the back of a liquid crystal display panel. The illuminator is made of a shallow box-form holder having a reflective inner surface, a plurality of LED's installed in at least one side wall of the holder, a light-diffusing plate installed between the liquid crystal display panel and the holder, and a printed circuit board mounted on the outer surface of the bottom of the holder. The LED's are of different light directional angles and inclined toward the bottom surface of the holder so that the light from the LED's can be reflected by the reflective bottom surface towards the display panel.

Abstract: A safety indicating device having a flexible indicator body and a power source unit. The indicator body has a transparent protective sheet which is disposed on the back side of a front sheet having a plurality of windows and on which projections corresponding to the windows are formed, and a flexible substrate which is disposed on the back side of the transparent protective sheet and on which LEDs are fixedly arranged in a manner corresponding to the projections. The transparent protective sheet and the flexible substrate are stacked and adhered to each other. A waterproof lining sheet is closely adhered to the back of the flexible substrate.

Abstract: A sheet forwarding apparatus for supporting a sheet on a transfer drum in a electrophotographic copying machine, onto which a toner image on a photoreceptor drum is transferred, which apparatus includes a pressure roller for pressing the sheet onto the transfer drum while forwarding. An arm member supports the pressure roller and is pivotable around a shaft so as to cause the pressure roller to alternately contact and distance from the transfer drum. An oscillating unit is included for oscillating the arm member, and to apply a constant pressure to the sheet through the pressure roller when the pressure roller is in contact with the transfer drum.

Abstract: A sheet registering unit for an image forming apparatus in which in the location upstream of the transfer stage, a preregistering roller device and a registering roller device are disposed while being separated with a predetermined distance from each other, and the leading edge of a sheet of paper is positioned with the aid of a loop of the sheet formed in a manner that the leading edge is thrust against the nip of the paired rollers of the registering roller device, and in this state the sheet is additionally pushed by the preregistering roller pair. In the sheet registering unit, the shafts supporting the roller members of the registering roller device or the roller members are supported by the combination of linear bearing members and springs, and by a pressure in the oblique direction caused in the sheet nipped by the registering roller device, the roller members of the registering roller device are shifted in the axial direction.

Abstract: An electrocatalyst for use in electrolytic reduction of carbon dioxide gas in an aqueous solution. The electrocatalyst is formed of nickel alkyl cyclam which is expressed by the general formula: ##STR1## where each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is selected from the group consisting of hydrogen atom and aliphatic saturated hydrocarbon group expressed by the formula of C.sub.n H.sub.2n+1 ; wherein at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is the aliphatic saturated hydrocarbon group in which n is a number ranging from 1 to 22. The nickel alkyl cyclam as the electrocatalyst is excellent in stability and energy consumption improving effect while exhibiting a high carbon dioxide gas reduction effect, as compared with conventional nickel cyclam.

Abstract: A monoalkylether of a dihydric phenol compound is produced at a high conversion and selectivity by catalytically dehydration reacting a dihydric phenol compound with a lower monohydric alcohol in the presence of a catalyst comprising at least one inorganic substance of the empirical formula (I):Al.sub.a P.sub.b Ti.sub.c Si.sub.d X.sub.e O.sub.f (I):wherein X is an alkali metal (Group Ia) atom, alkaline earth metal (Group IIa) atom or a metal atom of Group VIII of the Periodic Table, a, b, c, d, e and f are the numbers of Al, P, Ti, Si, X and O atoms respectively, and provided that a =1, b =1.0 to 1.9, c =0 05 to 0.5, d=0.05 to 0.2, e=0 to 0.9 and f=4.2 to 8.1, and collecting the resultant reaction product from the reaction system.

Abstract: The present invention is directed to a focus detector, one embodiment of which includes a light source, a collimator lens, a beam splitter and an objective lens. The light emitted by the light source is collimated by the collimator lens and subsequently passed through the beam splitter. The objective lens focuses the light passing through the beam splitter on a rotating disk. The light reflected by the disk passes through the beam splitter and is directed to a sensor lens. The sensor lens directs the light beam to an optical element arranged in a light path adjacent a refocus point of the light beam. The optical element is so arranged that the light beam is split only when it is not refocused at the expected refocus point.

Abstract: A monoalkylether of dihydric phenol compound is produced by bringing a feed gas comprising a mixture gas of a dihydric phenol compound with a monohydric alcohol compound into contact with an active catalyst component comprising at least one member selected from phosphorus compounds, and mixtures and reaction products of phosphorus compounds with boron compounds and carried on an inert solid carrier consisting of, for example, .alpha.-alumina, .gamma.-alumina, activated carbon or titania grains, and preferably having a pore volume of 0.1 ml/g or more and a specific surface area of 1 m.sup.2 /g or more, at a temperature of 200.degree. C. to 400.degree. C., and collecting the resultant reaction product from the reaction mixture.

Abstract: A substituted aryloxyurea of the formula: ##STR1## wherein Ar represents ##STR2## in which X.sup.7 represents a hydrogen atom, a halogen atom, a cyano group, a lower alkoxy group or a trifluoromethyl group, andR.sup.1 and R.sup.2 together form together with carbon and the nitrogen atom to which they are bonded a 4-8 membered heterocyclic ring.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.

Abstract: A network system includes a local area network to which a plurality of transmission apparatuses are connected, a gateway apparatus for connecting the local area network to a wide area network, and a plurlaity of terminal adapters for connecting the local area network to communication terminal apparatuses, and a management method therefor. Each transmission apparatus sends a transmission request of management data requesting data on the operating conditions of the connected local area network, the gateway apparatus, and the terminal adapters, acquires data on the operating conditions of the other apparatuses sent in response to the transmission request, and simultaneously displays the acquired management data, so that the operating conditions of the apparatuses connected to the system can always be monitored. Even when a communication error occurs, location of the source of the error can be easily determined without arranging a special-purpose LAN monitoring apparatus.

Abstract: A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkykl roup, a cycloalkyl group, an alkenyl group, an alkylnyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfuratom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group), an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.

Abstract: The present invention relates to a fixing device for use in an image forming apparatus, which comprises a heating roller, a pressure roller supported so as to be capable of separating from the pressure roller, and a cover movable interlocking with separating the heating roller from the pressure roller for covering a predetermined portion of the heating roller surface in order to prevent an unfixed toner image on a transfer sheet or the hand of an operator from touching the surface of the heating roller as the jammed sheet is removed.

Abstract: An optical system driving arrangement includes an optical system driving body, a support shaft provided on the body, an optical system holding member movably supported by the support shaft, an optical system held by the optical system holding member for directing a light beam supplied from the body to an object to be irradiated, a drive device for moving the optical system holding member relative to the body and at least one constituent of an arrangement for detecting the position of the optical system held by the optical system holding member.

Abstract: A light beam position detecting apparatus includes a light source and a first optical system for focusing a light beam emitted from the light source onto an object surface. The object surface has an optically unidirectional structure on the order of a size of a light spot formed by the light beam, and a second optical system focuses a detection beam transmitted through or reflected by the object surface. In addition, an optical element, disposed near a focal point of the detection beam, splits the detection beam, photosensors receive the beams split by the optical element, and a processor calculates a difference between outputs from the photosensors and detects a position of the light beam incident on the unidirectional structure.

Abstract: A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynyloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfur atom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group, an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.

Abstract: Novel substituted aryloxyureas, processes for their production, and herbicides comprising them as active ingredients are provided.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.

Abstract: .epsilon.-caprolactam is produced by gas phase reaction of cyclohexanone oxime using a solid acid as a catalyst in the presence of a compound represented by the formula (I): R.sub.1 --O--R.sub.2 (wherein R.sub.1 represents a lower alkyl group which may be substituted with a fluorine atom and R.sub.2 represents a hydrogen atom, a lower alkyl group or a phenyl group) such as a lower alcohol or an ether compound. The solid acid includes a crystalline metallosilicate or a crystalline silicate.

Abstract: A thiadiazabicyclononane derivative having the formula: ##STR1## wherein X is hydrogen or halogen, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkenyloxy, alkynyloxy, alkylthio, halogen-substituted alkoxy, alkoxycarbonylalkoxy, .alpha.,.alpha.-dimethylbenzylamino, --OC.sub.2 H.sub.4 S(O).sub.l R.sup.3 (wherein R.sup.3 is alkyl or phenyl, and l is an integer of 0 or 2), ##STR2## (wherein Y is halogen, alkyl, alkoxy or nitro, R.sup.4 is hydrogen or alkyl, and each of m and n is an integer of 0, 1 or 2), --OC.sub.2 H.sub.4 OR.sup.5 (wherein R.sup.5 is phenyl, benzyl or methoxyalkyl), --OCH.sub.2 R.sup.6 (wherein R.sup.6 is styryl, cyanoalkyl, tetrahydrofuran-2-yl, thienyl or pyridin-2-yl), ##STR3## (wherein R.sup.

Abstract: There is provided a network monitoring system in which nodes are connected to the LAN as a communication medium using the token passing method and only the node to which the communication right was transferred can acquire the data communication right. The node has a communication right transfer instruction discriminating circuit, provided for each node, for discriminating a communication right transfer instruction sent through the LAN; an LAN monitoring instruction discriminating circuit, provided for each node, for discriminating an LAN monitoring instruction sent through the LAN; and a controller. When one of the nodes discriminates the LAN monitoring instruction from the LAN by the discriminating circuit, controller sets this node into the LAN monitoring mode.

Abstract: A large number of needle patterns are integrally associated with each other on an extended U-shaped metal plate. After that, a pointed end of individual needle patterns is formed, and a series of individual needle patterns are divided into a plurality of segmented needle bodies. Then, a suture is inserted into a hollow portion of the needle body. By closing both walls of the needle body, a suture needle can be produced one after another.