Abstract: A vibration motor comprises a first member for receiving an external vibration, a second member set to be brought into collision with the first member as a result of the receipt of the external vibration, and a converting mechanism provided at the first member and/or the second member and having an asymmetric configuration for establishing a relative movement of the second member upon collision of the first member thereto.

Abstract: This invention provides polymerizable silica sols in which at least one monomer containing double bond is used as its dispersion medium, especially a silica sol in which the monomer containing double bond is a monomer containing double bond and OH group or is a monomer having an adamantane structure. This invention also provides compositions which comprise these silica sols as composing elements, cured resins that are obtained by polymerizing these silica sols alone or together with other copolymerizable components, and new adamantane derivatives for use in these silica sols.

Abstract: An industrially useful process for the production of an aromatic hydroxy compound which comprises reacting an aromatic sulfonic acid alkali metal salt and/or an aromatic sulfonic acid with an alkali metal hydroxide in the presence of a surface active agent, wherein the reaction is effected by uniformly dispersing these-materials in a reaction medium selected from aliphatic, alicyclic and aromatic hydrocarbons. By employing this process, the product can be obtained with high purity, high yield and high selectivity using a minimum amount of the alkali metal hydroxide.

Abstract: Copolymer of maleic anhydride and the polymerizable component of naphtha oil chiefly composed of indene and aromatic hydrocarbons having a reactive double bond, a resin modifier containing said copolymer as an effective ingredient, a dispersant containing a salt of the sulfonation product of said copolymer, an esterified product of said copolymer, and preferred processes for producing these products.

Abstract: The novel imidated copolymer of indene or the polymerizable component of naphtha oil and maleimide and, if necessary, maleic anhydride is useful as a resin improver and a compatibilizing agent for the purpose of improving heat resistance and mechanical properties.Another novel imidated copolymer prepared by applying copolymerization of other polymerizable component to the polymerization process is useful as a resin improver and a compatibilizing agent in which, in addition to the above characteristic properties, melting temperature can be designed to a given level.

Abstract: An actuator is comprised of a main body, an inner space filled with an amount of thermally expansive gas and having a first portion in the form of a shallow configuration with an opening oriented toward one side of the main body, a second portion and a bottleneck passage located therebetween, a membrane in the form of a thin film connected to the side of the main body for closing the opening of the first portion of the inner space, a substance for converting the light into heat, and a guide device for guiding light into the second portion of the inner space. Upon an unexpected application of an external force on the thin film, the deformation of the thin film is limited at minimum by being supported by the bottom surface of the first portion. This ensures the prevention of the breakage of the thin film.

Abstract: An actuator includes a closed space defined by a deformable member in which an amount of thermally expansible gas is filled. In the closed space, there is also a substance which changes the light into the heat. A control device is set to establish the supply of the light into the closed space. Upon turning-on of the control device, the substance changes the supplied light into the heat, resulting in that the resultant heat brings the expansion of the gas. Thus, the member is brought into deformed condition. The deformation can be used as a force for operating a specific element.

Abstract: An actuator is comprised of a main body having an opening at its one side, an inner space defined within the main body and filled with an amount of thermally expansive gas, a substance for converting the light into the heat which is accommodated in the inner space, a guide device for guiding light into the second portion of the inner space, and a membrane connected to the side of the main body for closing the opening and deflected previously toward the inner space so as to establish a snap action toward outward of the main body when the inner pressure exceed a set value.

Abstract: Copolymer of maleic anhydride and the polymerizable component of naphtha oil chiefly composed of indene and aromatic hydrocarbons having a reactive double bond, a resin modifier containing said copolymer as an effective ingredient, a dispersant containing a salt of the sulfonation product of said copolymer, an esterified product of said copolymer, and preferred processes for producing these products.

Abstract: The dispersant composed of a water-soluble salt of either a copolymer of a component in naphtha oil and maleic anhydride or a partial esterification product of said copolymer has improved dispersing ability and the dispersion containing this dispersant will experience only small changes with time.The cement admixture which is a salt of a copolymer of a component in naphtha oil and an unsaturated dicarboxylic acid anhydride or which has further contains a salt of the product of condensation between formaldehyde and a sulfonated aromatic hydrocarbon containing oil is an effective plasticizer and the cement mix incorporating this admixture has a satisfactory initial flow and will experience only small decrease in flowability over time.

Abstract: A free piston Stirling engine includes a displacer fitted in a cylinder so as to be able to reciprocate and defining an expansion chamber and a compression chamber in the cylinder, an operational sealing area leading from the expansion chamber to the compression chamber and interposed a heater, a regenerator and a cooler in order, a free piston disposed so as to be able to reciprocate toward a direction which crosses a direction of the reciprocation of the displacer and defining an operational chamber which is communicated with the compression chamber and a buffer chamber at its both ends and a linear generator disposed around the free piston and connected with a storage battery at its output terminal via an AC/DC converter having one or more transformation ratios. According to this constitution, even though the load is larger than the output of the linear generator transitionary, it is possible to supply stable electric power by use of the storage battery.

Abstract: An actuator is comprised of a plurality of three-dimensionally arranged containers each of which is constructed into deformable configuration and each of which is set to accommodate therein an amount of expandable fluid in response to the increase of the temperature, a heat supply device for supplying the heat to the fluid in each of the containers, a cooling device for cooling the fluid in each of the containers and a control device for controlling the heat supply device and the cooling device.

Abstract: Copolymer of maleic anhydride and the polymerizable component of naphtha oil chiefly composed of indene and aromatic hydrocarbons having a reactive double bond, a resin modifier containing said copolymer as an effective ingredient, a dispersant containing a salt of the sulfonation product of said copolymer, an esterified product of said copolymer, and preferred processes for producing these products.

Abstract: A secret communication control apparatus used to effect secret communication with communication equipment, for example, facsimile equipment, which transmits picture information by use of public communication lines. When a communication control code that is utilized to set a communication mode is to be transmitted, the intervention of the secret communication control apparatus in the communication is suspended by switching a change-over switch, so that the main body of the local communication equipment and the remote communication equipment perform direct transmission of the communication control code therebetween without passing it through the secret communication control apparatus. It is therefore possible to transmit the signal in the minimized time, that is, in the same way as in the case of ordinary, nonsecret communication.

Abstract: A catalyst comprising an inert support that carries on it vanadium oxide, sodium oxide and molybdenum oxide in predetermined amounts, at least one additional component in a predetermined amount which is selected from among chromium oxide, manganese oxide, niobium oxide and titanium oxide is capable of producing pyromellitic dianhydride in high yield from inexpensive durene over a broad optimal temperature range while suppressing the generation of heat in the catalyst bed.

Abstract: A data encripting transfer system includes a scanner for scanning an object to output an image signal, a data encripting device for encripting the image signal, and a data decoder for decoding the encripted image signal. The system further includes a card having the data encripting device and the data decoder, and a receiving device for receiving the card. The received card enables the data encripting device and the data decoder.

Abstract: Encoder/decoders are associated with conventional local and far-end communications equipment such as facsimile machines. Information to be faxed is encoded at one end, transmitted to the other end, and decoded, without affecting normal communications protocol or requiring other specialized equipment at either end. A secure information processing device is provided at each end, between the equipment and the communications line, and either encodes outgoing information or decodes incoming information, in accordance with a randomly generated key code, depending on whether the equipment at a particular end is transmitting or receiving a communication.

Abstract: In a real time image recognition circuit, an image signal amplifier recognizes mouth or eye movement by which different functions within an automobile, including operation of a radio, air conditioner, cruise control, door locks, sun roof, windows, wipers, lighter, headlights, and defroster may be controlled. Improved focusing on pertinent portions of a human head, such as eyes and mouth, lessens the need to compensate for contrast in ambient light conditions, and thus enhances recognizability.

Abstract: A catalyst comprising an inert support that carries on it vanadium oxide, sodium oxide and molybdenum oxide in predetermined amounts, at least one additional component in a predetermined amount which is selected from among chromium oxide, manganese oxide, niobium oxide and titanium oxide is capable of producing pyromellitic dianhydride in high yield from inexpensive durene over a broad optimal temperature range while suppressing the generation of heat in the catalyst bed.

Abstract: A cis-isomer of perhydroacenaphthene is selectively prepared through hydrogenation of acenaphthene by effecting hydrogenation of 80.degree. to 200.degree. C. in the presence of a Ru and/or Rh based catalyst. A cis-isomer having the highest boiling point is obtained as a major product.