Abstract: An interior lighting for vehicle includes a housing installed in an interior of a vehicle and including a radar-wave-transmittable portion configured to transmit radar waves and including a light transmittable part in the radar-wave-transmittable portion, a light emission unit installed in the housing and configured to emit visible light and configured to illuminate the interior of the vehicle by the emitted visible light coming out from the housing through the light transmittable part, and a radar unit installed in the housing and configured to emit radar wave and configured to detect a presence of a person in the interior of the vehicle by the radar wave transmitted from the radar-wave-transmittable portion.

Abstract: The present invention provides an infrared-transmitting glass that is a chalcogenide glass, has a reduced Ge content, can sufficiently cover atmospheric windows, is free from highly toxic elements, such as Se and As, and is suitable for mold forming. Specifically, the present invention provides an infrared-transmitting glass suitable for mold forming, comprising, in terms of molar concentration: 0 to 2% of Ge, 3 to 30% of Ga, 10 to 40% of Sb, 45 to 70% of S, 3 to 30% of at least one member selected from the group consisting of Sn, Ag, Cu, Te, and Cs, and 0 to 30% of at least one member selected from the group consisting of Cl, Br, and I.

Abstract: The present invention provides an infrared-transmitting glass that is a chalcogenide glass, has a reduced Ge content, can sufficiently cover atmospheric windows, is free from highly toxic elements, such as Se and As, and is suitable for mold forming. Specifically, the present invention provides an infrared-transmitting glass suitable for mold forming, comprising, in terms of molar concentration: 0 to 2% of Ge, 3 to 30% of Ga, 10 to 40% of Sb, 45 to 70% of S, 3 to 30% of at least one member selected from the group consisting of Sn, Ag, Cu, Te, and Cs, and 0 to 30% of at least one member selected from the group consisting of Cl, Br, and I.

Abstract: A vehicle-interior illumination device for illuminating a cabin of a vehicle (1) includes a plurality of seat lamps (21-31) individually illuminating seats (3-11) in the cabin and operating units (21a-31a) for each seat arranged in the cabin so as to respectively correspond with the seat lamps (21-31). Each of the operating units (21a-31a) for each seat is provided with an area that is touchable by an occupant on corresponding seat and with another area that is touchable by occupants on adjacent seats, so as to turn on or off the corresponding seat lamp by touching the areas.

Abstract: An illuminating unit includes an electronic component that emits illumination light, a busbar that includes a electric connecting part which electrically connects the electric component and the outside of the electronic component, and a locking part which has elasticity and sandwiches and holds the electronic component, a housing that accommodates the busbar, and a cover that is assembled to the housing and includes an opening part through which the illumination light passes. The locking part includes a contact part and a pressing part. The contact part abuts with a fringe of the opening part when the cover is assembled to the housing. The pressing part follows the contact part and presses the electronic component by being deformed in a state where the cover is assembled to the housing.

Abstract: A vehicle interior lighting to be attached into a lamp attaching hole formed in a door trim of a vehicle has a design portion placed on a passenger compartment side of the door trim and a function portion that is placed on an outdoor side of the door trim and that is to be attached into the lamp attaching hole. The function portion has a housing that has an opening opened to the passenger compartment side, and a light source accommodation portion for accommodating and holding a bulb and a light source protective portion that provided with the housing so as to cover the opening and has a light passing aperture of size to prevent the light source from contacting an external member.

Abstract: A navigation apparatus is disclosed comprising update functions to update nationwide updated version map data using route-specific update data, and to update the nationwide updated version map data to the next nationwide updated version map data using nationwide update data. A map update processing portion of this navigation apparatus performs updates of map data in the background of navigation control, gives priority to update processing using the route-specific update data over update processing using the nationwide update data, and, if map files to be updated using route-specific update files included in the route-specific update data have not been updated using the nationwide update data, performs updates using the nationwide update data, and then performs updates using route-specific update files.

Abstract: The connector includes a connector housing having two terminal fittings and terminal receiving chambers for receiving the terminal fittings, and a spacer 4 to be inserted into the connector housing through an opening. A receptacle for inserting an unlocking jig is formed on the spacer. The receptacle is opened at an outer wall of the spacer and a boundary wall to the connector housing 3. The receptacle is disposed in a manner not to spread across two terminal-receiving chambers. The receptacle communicates with one of the terminal-receiving chambers. A block of a main body of the spacer blocks a path between the receptacle and the other terminal-receiving chamber.

Abstract: A navigation apparatus is disclosed comprising update functions to update nationwide updated version map data using route-specific update data, and to update the nationwide updated version map data to the next nationwide updated version map data using nationwide update data. A map update processing portion of this navigation apparatus performs updates of map data in the background of navigation control, gives priority to update processing using the route-specific update data over update processing using the nationwide update data, and, if map files to be updated using route-specific update files included in the route-specific update data have not been updated using the nationwide update data, performs updates using the nationwide update data, and then performs updates using route-specific update files.

Abstract: In a process for preparing p-dichlorobenzene by nuclear chlorination of benzene and/or chlorobenzene as the starting material with chlorine molecules, chlorination is carried out using aluminum chloride in an amount of 0.1–3 millimols per mol of the starting material and phenothiazines such as 10H-phenothiazine-10-carboxylic acid phenyl ester in an amount of 0.1–0.9 mols per mol of aluminum chloride so as to be a chlorination degree in a range of 1.2–2.5, by which p-dichlorobenzene can be obtained in a high para-selectivity and a short reaction time.

Abstract: The connector includes a connector housing having two terminal fittings and terminal receiving chambers for receiving the terminal fittings, and a spacer 4 to be inserted into the connector housing through an opening. A receptacle for inserting an unlocking jig is formed on the spacer. The receptacle is opened at an outer wall of the spacer and a boundary wall to the connector housing 3. The receptacle is disposed in a manner not to spread across two terminal-receiving chambers. The receptacle communicates with one of the terminal-receiving chambers. A block of a main body of the spacer blocks a path between the receptacle and the other terminal-receiving chamber.

Abstract: In a process for preparing p-dichlorobenzene by nuclear chlorination of benzene and/or chlorobenzene as the starting material with chlorine molecules, chlorination is carried out using aluminum chloride in an amount of 0.1-3 millimols per mol of the starting material and phenothiazines such as 10H-phenothiazine-10-carboxylic acid phenyl ester in an amount of 0.1-0.9 mols per mol of aluminum chloride so as to be a chlorination degree in a range of 1.2-2.5, by which p-dichlorobenzene can be obtained in a high para-selectivity and a short reaction time.

Abstract: This invention relates to methods for substitution of an amino group of a heterocyclic primary amine by a chlorine atom and synthesis of 2-chloro-5-methylthiazole and its derivatives by application thereof.Typically, a heterocyclic primary amine and sodium nitrite are caused to react in the presence of hydrochloric acid, followed by heating the formed diazonium base at 30.degree.-100.degree. C. in the presence of an equimolar or more of hydrochloric acid to substitute the amino group by the chlorine atom. Further, 2-amino-5-methylthiazole and sodium nitrite are caused to react in the presence of hydrochloric acid, followed by heating the formed diazonium base at 30.degree.-100.degree. C. in the presence of an equimolar or over of hydrochloric acid to give 2-chloro-5-methylthiazole. Then, the resultant 2-chloro-5-methylthiazole is caused to react with a chlorinating agent to give 2-chloro-5-chloro-methylthiazole.

Abstract: A method for producing high purity chloroaldehyde monomers at a high yield by depolymerization of a chloroaldehyde cyclic trimer represented by the following formula, ##STR1## wherein R is a hydrogen atom, methyl group, or an ethyl group. The depolymerization reaction can be carried out in the presence of activated clay. Said chloroaldehyde cyclic trimer can be stored in a stable manner and chloroaldehyde monomers obtained by the depolymerization can be used as are as a raw material for the synthetic reaction of chloroaldehyde derivatives.

Abstract: A process for producing dichloroacetaldehyde hydrate together with chloral from acetaldehyde or para-aldehyde. The process comprises a step of chlorinating acetaldehyde or para-aldehyde to obtain a chlorinated solution containing dichloroacetaldehyde as a major component, a step of distilling this chlorinated solution to obtain a distillate having a boiling point of 90.degree.-100.degree. C. and containing 50% or more of dichloroacetaldehyde, a step of adding water to this distillate, crystallizing dichloroacetaldehyde hydrate, and separating the crystals, and a step of chlorinating the remaining aldehyde components into chloral. The process enables dichloroacetaldehyde hydrate to be separated at a high purity and the raw materials to be utilized efficiently.

Abstract: A process for manufacturing a trimer of a low aliphatic aldehyde having 2-5 carbon atoms and the chlorinated 2-position is disclosed. The process comprises cyclically trimerizing said aliphatic aldehyde with chlorinated 2-position in the presence of a catalyst selected from the group consisting of metallic tin, metallic zinc, zeolite, and Lewis acids. It ensures easy separation of the catalyst from the target trimer and a high yield of the trimer. In addition, the unreacted raw material can be easily recovered.

Abstract: A process for manufacturing monochloroacetaldehyde trimer and chloral together by effectively utilizing a raw material acetaldehyde or para-aldehyde. The process comprises a step of chlorinating acetaldehyde or para-aldehyde to produce a chlorinated liquid of which the major component is monochloroacetaldehyde, a step comprising adding chloral to said chlorinated liquid and distilling the mixture to obtain a fraction of which the major components are monochloroacetaldehyde and chloral, a step of trimerizing monochloroacetaldehyde by reacting said fraction in the presence of a trimerization catalyst and separating the MCA trimer by filtration, and a step of chlorinating other fractions from said distillation step and the filtrate from said trimerization step to produce chloral. According to this process all raw material aldehydes and components derived from aldehydes which have not been consumed for the production of MCA trimer can be easily converted into chloral which is useful as an industrial chemical.

Abstract: A novel compound, a 2-chloropropionaldehyde trimer and a process of producing a 2-chloropropionaldehyde trimer by adding concentrated sulfuric acid to an organic solvent containing 2-chloropropionaldehyde and stirring the mixture at a temperature of from -5.degree. C. to 15.degree. C. to carry out the reaction.

Abstract: A process of producing a high-pure dichloroacetaldehyde trimer with high yield by cyclodehydrating dichloroacetaldehyde hydrate in the presence of concentrated sulfuric acid.

Abstract: A process for producing a hydrazone derivative represented by the following formula at a high purity at a high yield by decomposing monochloroacetaldehyde trimer into monochloroacetaldehyde monomer and then reacting the monomer with an alkyl carbazate in an organic solvent:Cl--CH.sub.2 --CH.dbd.N--NH--COOR(R represents an alkyl group).