Abstract: There is provided a key structure of an operation section of an electronic device that can avoid an occurrence of operational errors of erroneously pressing down an operation key and can reliably secure a large area for input operations and for indicating information. The key structure of the operation section of the electronic device having a plurality of the operation keys 14, 14, . . . arranged in parallel in a manner to be adjacent to one another. The operation portion having a step height (wall surface 23) is formed in the operation key that can perform input operations by being pressed down with a finger of an operator. The operation portion of the operation key is made up of a higher step surface located in a higher level portion in a pressed-down direction and a lower step surface formed at least on an adjacent side where the operation keys are adjacent to one another in a level portion lower than the higher step surface in the pressed-down direction.

Abstract: There is provided a key structure of an operation section of an electronic device that can avoid an occurrence of operational errors of erroneously pressing down an operation key and can reliably secure a large area for input operations and for indicating information. The key structure of the operation section of the electronic device having a plurality of the operation keys 14, 14, . . . arranged in parallel in a manner to be adjacent to one another. The operation portion having a step height (wall surface 23) is formed in the operation key that can perform input operations by being pressed down with a finger of an operator. The operation portion of the operation key is made up of a higher step surface located in a higher level portion in a pressed-down direction and a lower step surface formed at least on an adjacent side where the operation keys are adjacent to one another in a level portion lower than the higher step surface in the pressed-down direction.

Abstract: Disclosed is a mobile terminal apparatus which includes: an upper housing in which a display portion having a display screen is disposed; a lower housing having an inner major surface in which an operating portion including a plurality of kinds of input keys is disposed; and a connecting portion which connects the upper housing with the lower housing such that the upper housing and the lower housing are turnable away from and toward each other to open and close the apparatus. In this apparatus, the inner major surface of the lower housing is recessed at an area where input keys of a first group that corresponds to a particular one of the kinds is disposed, so as to increase a level difference between a keytop of each of the input keys of the first group and the inner major surface.

Abstract: Disclosed is a mobile terminal apparatus which includes: an upper housing in which a display portion having a display screen is disposed; a lower housing having an inner major surface in which an operating portion including a plurality of kinds of input keys is disposed; and a connecting portion which connects the upper housing with the lower housing such that the upper housing and the lower housing are turnable away from and toward each other to open and close the apparatus. In this apparatus, the inner major surface of the lower housing is recessed at an area where input keys of a first group that corresponds to a particular one of the kinds is disposed, so as to increase a level difference between a keytop of each of the input keys of the first group and the inner major surface.

Abstract: A surface hardening method for resins and a surface hardened resin, capable of reforming the surface of a plastic disk substrate at low energy in a short time, and a production device of such a resin is disclosed. The formation of an ion-implanted layer 11 by implanting equal to or more than 1017 carbon ions per cm2 into the surface of a plastic disk substrate 10 at equal to or less than 20 KeV and the formation of a thin film 12 of high hardness on the ion-implanted layer 11 can be performed alternately or simultaneously, and the hardening rate is increased further by using a bias device.

Abstract: A apparatus for forming an image on a silver halide photosensitive material with a plurality of recording elements aligned in the form of at least a single line, each recording element is driven so as to conduct an On-Off exposure independently to obtain a light amount datum in accordance with a density of a image signal, a correction value is calculated from the light amount datum and a light amount of each recording element is corrected with the correction value.

Abstract: Y image, M image, C image and a mixed-dye image wherein Y, M and C are mixed are prepared by an image forming apparatus, analytical density for each of Y, M and C components in their complementary color wavelength regions is measured by a densitometer for each of Y image, M image and C image, then Y image, M image, C image and a mixed-dye image are read by the aforesaid image reading apparatus and spectral densities for in B, G and R wavelength regions are obtained. A conversion function for obtaining analytical density from spectral density is obtained from the spectral densities obtained by the image reading apparatus and the analytical density obtained through measurement by a densitometer.

Abstract: In a method of producing converting data, a first characteristic curve showing relationship between density value and exposure amount is obtained by forming images on a first photographic material with plural different amounts of exposure and by measuring density values of the formed images. Digital exposure amount data is determined so as to represent the exposure amount of the first characteristic curve. The first characteristic curve is modified so as to show relationship between the density value and the digital exposure amount data by changing the exposure amount to the digital exposure amount data. A second characteristic curve showing relationship between density value and digital input value for exposing means is obtaiend by forming images on a second photographic material by the exposure means based on plural different digital input values and by measuring density values of the formed images.

Abstract: In a method of obtaining a color correcting condition for a color image on an image frame, plural color component image signals are obtained for each pixel of the color image of the frame, and the frame is divided into plural blocks each of which is composed of plural pixels. A block color density value statistic is obtained for each block from the plural color component signals of the plural pixels of each block, wherein the statistic indicates a relationship between a density value and a number of pixels indicating the density value. A chroma level of each block is evaluated based on the block color density value statistic; a frame color density value statistic is obtained from the plural color component signals of the plural pixels of the plural blocks of the frame by reducing an influence of a block evaluated as a high chroma block; and the color correcting condition for the color image is determined based on the frame color density statistic.

Abstract: In a method of calculating a color correcting condition for a color image composed of plural pixels each separated into plural primary color density values, a statistic indicating a relationship between a primary color density value and a number of pixels showing the primary color density value is made for each primary color; a specific density value corresponding to a predetermined statistic value for each primary color from the statistic is calculated; an extracting condition for each primary color is determined based on the obtained specific density value; specific pixels are extracted from the plural pixels of the color image so as to satisfy the extracting condition; and the color correcting condition is determined based on the plural primary color density values of the extracted specific pixels.

Abstract: In an apparatus for supplying a solid processing agent to a processing tank of a photographic material processing apparatus, there is provide a put-back mechanism for putting a solid processing agent back into an accommodation container when the accommodation container is moved from a operating position to a maintenance position on which the accommodation container can be replaced with a new one.

Abstract: A method for manufacturing a magnetic recording medium of the invention, comprises the steps of coating a magnetic paint consisting mainly of a needle-like magnetic powder and a binder on a nonmagnetic support to form a coating film; applying a DC magnetic field of a predetermined direction obtained with a superconductive solenoid magnet to the coating film in which the needle-like magnetic powder is still mobile, thereby orienting the needle-like magnetic powder in the predetermined direction; and drying the coating film.In a magnetic tape prepared by this method, a residual magnetic flux density is improved by about 10 to about 20% over the conventional tape, and tape the sensitivity and output are significantly improved. Since only a permanent current need be flown through a superconductive wire having a substantially zero electric resistance, power loss due to heat generation may be eliminated.