Abstract: A control apparatus includes an RAM capable of rewriting data; a data writing unit that writes a predetermined length of data output to the RAM in an arbitrary area of the RAM on the basis of an address signal for designating an address of the RAM and an effective area definition signal for defining an area effective in writing the predetermined length of data into the RAM; a judgment unit that judges whether the writing of the predetermined length of data into the RAM by the data writing unit is to be prohibited or not; and a rewriting prohibition unit that changes the effective area definition signal to a signal invalidating the writing of the whole predetermined length of data when the judgment unit makes a decision that the writing is to be prohibited.

Abstract: The present invention provides a vacuum insulating double vessel having transparent slits and a method for manufacturing the same which can form transparent slits safely and simply without using any particular equipment and particular chemical and which can be mass-produced at a low cost. This vacuum insulating double vessel includes a vacuum insulating layer provided between an inner vessel and an outer vessel of the double vessel made of a transparent material, and metal films applied to the outer surface of the inner vessel and the inner surface of the outer vessel which face the vacuum insulating layer, and the vacuum insulating double vessel comprises strip-shaped metal film unapplied portions in a vessel height direction in the metal film applied portions, and a plurality of opening vestiges, on the outer vessel, which result from sealing a plurality of openings used for injecting and discharging chemical solutions for applying the metal films, and used as air passages.

Abstract: An arithmetic processing section is designed to repeatedly execute product-sum arithmetic processing a number of times equal to the number of samples corresponding to each of the frequencies, in which a value obtained by subtracting a product-sum arithmetic value two sampling periods before from an input signal and a value obtained by multiplying a product-sum arithmetic value one sampling period before by a coefficient corresponding to a reference frequency contained in a DTMF signal are added. A comparator extracts an output value equal to or larger than a predetermined threshold value from the product-sum arithmetic values obtained by the arithmetic processing section. A matrix section determines the type of DTMF signal on the basis of at least two output values extracted by the comparator.

Abstract: The inner container and outer container which are formed from a transparent material are integrally formed leaving a space section therebetween, a thermally insulating layer is formed in the space section, and a radiation prevention film is formed on at least one of an outer surface of the inner container and an inner surface of the outer container. The radiation prevention film has a radiation prevention film omission section having a surface area which is 30% or less of the surface of the container on which the radiation prevention film is formed.

Abstract: The inner container and outer container which are formed from a transparent material are integrally formed leaving a space section therebetween, a thermally insulating layer is formed in the space section, and a radiation prevention film is formed on at least one of an outer surface of the inner container and an inner surface of the outer container. The radiation prevention film has a radiation prevention film omission section having a surface area which is 30% or less of the surface of the container on which the radiation prevention film is formed.

Abstract: A heat insulating container having its outer surface formed of a synthetic resin such as a vacuum bottle, a cooler box, an ice box, a heat insulating cup, a heat retaining lunch box, and a heat insulating and retaining storage container capable of preventing problems such as a small available volume compared with a relatively large outer size so as to provide an increased insulating effect, corrosion of metallic containers, and inefficient washing of synthetic resin containers because the containers float in a water bath when washing; the heat insulating container having a metallic inner wall member 2 and a metallic outer wall member 3 disposed with a space portion 4 between them, the opening end portions 2a, 3a of these wall bodies being formed integrally with each other, and at least one of the inner and outer surfaces of a heat insulating layer body 1 formed by evacuating the space part 4 being covered by a synthetic resin inside container part 11 or an outside container part 12 and formed integrally with

Abstract: A liquid inlet located in the lower position of a liquid passage is sealed with the valve guide of a valve body. The lever pushes the valve guide of the valve body to open up the liquid inlet. A pair of fixing arms is provided on the edge of the lever. An insertion hole of the pivot installed in a protruding manner or two sidewalls of the liquid passage is formed on each fixing arm. When moving the lever in the direction opposite to operation around each fixing arm, the boss member is abutted on sidewalls to widen the gap between each fixing arm to remove the insertion hole from the pivot. This makes it easy to take apart and assemble the structured parts of the plug and makes it washable in every nook and corner inside the plug structure.

Abstract: A liquid inlet located in the lower position of a liquid passage is sealed with the valve guide of a valve body. The lever pushes the valve guide of the valve body to open up the liquid inlet. A pair of fixing arms is provided on the edge of the lever. An insertion hole of the pivot installed in a protruding manner on two sidewalls of the liquid passage is formed on each fixing arm. When moving the lever in the direction opposite to operation around each fixing arm, the boss member is abutted on sidewalls to widen the gap between each fixing arm to remove the insertion hole from the pivot. This makes it easy to take apart and assemble the structured parts of the plug and makes it washable in every nook and corner inside the plug structure.

Abstract: A lens barrel constructed of a cam slot, a lens cylinder, a memory means, a detecting means, a motor driving means and a control means. The cam slot has a discontinuous area formed in a portion corresponding to a parting line of a molding die used for molding. The lens cylinder ass a cam follower engaging with this cam slot. The memory means stores information indicating where the discontinuous area exists in the cam slot. The detecting means detects where the cam follower is positioned in the cam slot. The motor driving means makes the lens cylinder progress and retreat in the optical-axis direction by relatively driving the cam slot and the lens cylinder. The control means controls the motor driving means to drive the lens cylinder up to a position deviating from the discontinuous area when the cam follower is in the discontinuous area by comparing memory information of the memory mens with detection information of the detecting means.

Abstract: A metallic vacuum double-walled container and manufacturing method therein is provided in which an inner container and outer container are both formed from a metal. From among the aforementioned, at least the outer container possesses a body which is formed by rolling a steel plate with a Vickers hardness of 250.about.600. The outer container is then shaped into a cylindrical body, and joined to a processed inner container at their mouth portions to form a metallic double-walled container. This metallic double-walled container is then heat treated at a temperature of 200.degree..about.600.degree. C. under a vacuum, and the space between the two walls of the metallic double-walled container is vacuum sealed to form the final product.

Abstract: A lens barrel constructed of a cam slot, a lens cylinder, a memory, a detector, a motor drive and a controller. The cam slot has a discontinuous area formed in a portion corresponding to a parting line of a molding die used for molding. The lens cylinder has a cam follower slidably engaging the cam slot. The memory stores information indicating where the discontinuous area exists in the cam slot. The detector detects where the cam follower is positioned in the cam slot. The motor drive makes the lens cylinder progress and retreat in the optical-axis direction by driving one of the cam slot and the lens cylinder relative to the other. The controller controls the motor drive to drive the lens cylinder up to a position deviating from the discontinuous area when the cam follower is in the discontinuous area by comparing memory information of the memory with detection information of the detector.

Abstract: A metallic vacuum double-walled container is provided in which an inner container and outer container are both formed from a metal. From among the aforementioned, at least the outer container possesses a body which is formed by rolling a steel plate with a Vickers hardness of 250.about.600.

Abstract: A lens barrel according to the invention comprises a fixed tube fixedly mounted on a camera body, a drive tube fitted with respect to the fixed tube, a data projector fixedly mounted on the camera body for radiating a projecting luminous flux toward a film surface from respective outer peripheries of the fixed tube and the drive tube, to project photographing information, a through bore formed through a portion of the fixed tube through which the projecting luminous flux of the data projecting means passes, and a cut-out provided in a portion of the drive tube which is overlapped with the through bore in the fixed tube upon photographing. Upon non-photographing, a portion of the drive tube having no cut-out shields the through bore in the fixed tube.

Abstract: A clock extractor which generates a clock signal for sampling of a data of a data signal received from a digital line on the basis of a separation clock having a period corresponding to a data communication rate of a data to be separated from the received data signal. The clock extractor always generates a plurality of clock signals which have respectively an identical period corresponding to a data communication rate of the received data signal and which phases are slightly shifted mutually, and each time selects one of the plurality of clock signals as a clock signal for sampling of the received data signal. In the selecting operation of the clock extractor, a change in the logical level of the separation clock to a specific level is detected with resolution power corresponding to the slightly mutually shifted phases of the plurality of clock signals, and any one of the plurality of clock signals is specified according to the detection timing.

Abstract: A reaction apparatus for corrosive material includes a heat exchanger that is coupled to a header. A first inlet is provided for fluid raw material and a second inlet is provided for introducing a non-corrosive material. There is also an outlet for reaction products. A tube baffle is positioned across the interior of the heat exchanger in order to define an inner space therein and an inner member which substantially conforms to the configuration of the inner space is positioned therein in closely spaced relationship with the inside surface of the header. A first plurality of tubes are attached to opening formed in the baffle and a second plurality of tubes are attached to the inner member and are positioned correspondingly to the first tubes in spaced relation thereto and in fluid communication therewith.

Abstract: A urea synthesis process for converting ammonia and carbon dioxide to urea is improved by providing an easy means of maintaining the urea synthesis zone in the process at a constant temperature. In the process the starting CO.sub.2 and up to and including 100 percent of the starting NH.sub.3 are reacted in a heat-recovery zone maintained at a urea synthesis pressure. Some of the heat of reaction is removed. The molar ratio of NH.sub.3 to CO.sub.2 which is fed into the heat-recovery zone is less than 4. The reaction mixture and the rest of the starting NH.sub.3 are fed into a urea synthesis zone maintained at urea synthesis pressure to produce urea. The improvement involves adjusting the amount of starting ammonia which is fed into the urea synthesis zone in response to any change in the temperature in the urea synthesis zone so that the urea synthesis zone is maintained at a substantially fixed temperature.