Abstract: The process of the present invention uses an aminoaldehyde polycondensate as capsule-wall and a hydrophobic core material dispersed in an aqueous acidic solution containing an anionic water-soluble colloidal substance, wherein it is characterized in that the anionic water-soluble colloidal substance comprises a mixture of an anionic water-soluble substance having a high viscosity and that having a low viscosity.The process of the present invention provides a slight viscosity rise in the encapsulation, a capsule slurry with a high concentration, low viscosity, and a slight smudging in the application as a pressure-sensitive recording sheet and the like, compared with the conventional processes.

Abstract: A driving system for a stepping motor wherein the stepping motor is rotated by a predetermined angle for each driving step. The system counts the time between two successive driving triggers, and changes at least one of the phase energization current and the phase energization time at the start of the driving of the stepping motor in response to the time count.

Abstract: An image processing apparatus such as a digital printer or digital facsimile apparatus for half tone processing input image data has: an input device to input image data indicative of a concentration of an image; a discriminating circuit to discriminate whether the input image data is smaller than a threshold value or not; a binarizing circuit to binarize the input image data into binary data of high and low levels; and a setting circuit to set the binary output of the image data to the low (0) level irrespective of the result of the binarization by the binarizing circuit when the input image data is determined to be smaller than the threshold value. The input device includes a reading circuit to read the original image and a generator to generate image data indicative of the original image concentration.

Abstract: According to the present invention, when image data are subjected to quantization processing using an error diffusion method, the generation of a striped pattern which is a cause for deterioration of picture quality in the error diffusion method is prevented. In the present invention, an original image is read and image data are generated. The image data obtained by reading the original image are quantized using an error diffusion method, and the quantized image data can be output and recorded by a thermal-head printer.Furthermore, according to the present invention, an error between the density of an input image and the density of an output image after being subjected to a quantization processing using an error diffusion method is perfectly preserved.

Abstract: An image processing apparatus has a reader for photoelectrically reading an image, a reference member of a reference density, a memory for storing the status of change of the output signals obtained by reading the reference member using the reader, and a binary encoder for binary encoding the output signals of the reader according to the stored content of memory.

Abstract: A breathing apparatus includes: a vessel member having a mouth piece and internal influx chamber; a tubular communication member having opposite ends connected respectively to the intake and outgo ports of the vessel member in such a manner that the vessel member and the communication member define a circular passage for a respirable gas; an oxygen-supplying mechanism for supplying the circular passage with the respirable gas; a pair of check valves, disposed respectively at the intake and outgo ports of the vessel member, for limiting the flow of the respirable gas in the circular passage to a single direction so that, when the person breathes into the influx chamber, the respirable gas in the influx chamber is introduced into the communication member through the outgo port and, when the person inhales through the mouth piece, the respirable gas in the communication member is recycled into the influx chamber through the intake port; and an outlet port for discharging excess respirable gas out of the circular

Abstract: This specification discloses a driving method for a stepping motor is provided with a time detecting step of detecting the time interval to between the generation of two a sheet conveyance commands, a rate setting step of setting a pulse rate in conformity with the time interval detected by the time detecting step, and the driving step of driving the stepping motor at the pulse rate set by the rate setting step. The specification also discloses a sheet conveying apparatus using such driving method.

Abstract: There is an image processing apparatus for use in a facsimile, electronic file, reader, digital copier, or the like. This apparatus has an image discriminating function and a high operating speed and comprises a pixel data input circuit and a circuit for processing the pixel data inputed from input circuit, in which the processing circuit has a discriminating circuit for detecting an amount of change in density level of the input pixel data for every pixel and discriminating the content of the image of the objective pixel data and a selector for selecting the processing mode of the projective pixel data in accordance with the result of the discrimination. Either half-tone processing mode or the non-half-tone processing mode is selected by the selector on the basis of the result of the discrimination. The non-half-tone processing mode is continuously selected for a determined period of time irrespective of the result of the discrimination.

Abstract: A data communication apparatus includes a data communication section for preforming data communication according to full duplex communication, a testing section for performing a communication test prior to the data communication, and a transmission controller for determining whether full duplex communication can be performed during a period of the communication test performed by the testing section. The testing section includes a backward signal generator, a backward signal detector, and a control signal analyzer. The backward signal generator and the backward signal detector may be replaced with an echo canceller.

Abstract: An image transmission apparatus including a storage unit for storing an image signal; a conversion unit for converting the number of dots of one line image signal in the storage unit; and a transmission unit for selectively transmitting the output of the conversion unit or an image signal in the storage unit.

Abstract: There is disclosed an image reader capable of detecting a state unsuitable for image reading. The image reader is capable of generating information for compensating for the unevenness of the output of image sensor, and image signals obtained by reading a reference plate with the image sensor are corrected based on this information and are used for identifying an abnormal state of image reading.

Abstract: There is disclosed an image reader capable of releasing constant output regardless of fluctuation in circumferential factors. Output of the image sensor is amplified by an amplifier, of which the factor of amplification is regulated to provide a predetermined level when the image sensor reads a reference image.

Abstract: A data transmission apparatus includes; comprising: a transmission data generating unit, a storage unit for storing the transmission data; and a unit for transmitting the transmission data in the storage unit; wherein the storage unit stores, together with the transmission data, time and date when the transmission data was stored.

Abstract: An image readout apparatus includes a readout unit for reading an original image; a storage unit for storing a signal obtained by the readout unit while reading an image having a predetermined reflectance; a hold unit for holding the maximum value of reflectance of the original image while the readout unit reads the original image; and a quantization unit for controlling an output signal level of the storage unit in accordance with the maximum value and quantizing a readout signal of the original image in accordance with the output signal level.

Abstract: The process for producing microcapsules comprises forming capsules having a wall film composed of an amine-aldehyde polycondensate in a system in which a hydrophobic core substance is dispersed or emulsified in an acid aqueous solution containing an anionic colloidal substance, said anionic colloidal substance being an anionic water-soluble copolymer composed of acrylic acid, styrenesulfonic acid, and alkyl acrylate or alkyl methacrylate. The present invention decreases the large particles present in the capsule slurry, and provides microcapsule which are excellent in emulsification power, emulsification stability, particle size distribution, impermeability of capsule-wall film and workability.

Abstract: An image transmission method includes the steps of: obtaining an image signal by reading an original image; compression-encoding the obtained image signal; temporarily storing the encoded image data into a temporary storage memory; presuming the empty capacity of a buffer memory for temporarily storing the received image data at a receiving side; and transmitting the encoded image data in accordance with the presumed empty capacity.

Abstract: There is an image processing apparatus for use in a facsimile, electronic file, reader, digital copier, or the like. This apparatus has an image discriminating function and a high operating speed and comprises a pixel data input circuit and a circuit for processing the pixel data inputed from input circuit, in which the processing circuit has a discriminating circuit for detecting an amount of change in density level of the input pixel data for every pixel and discriminating the content of the image of the objective pixel data and a selector for selecting the processing mode of the projective pixel data in accordance with the result of the discrimination. Either half-tone processing mode or the non-half-tone processing mode is selected by the selector on the basis of the result of the discrimination. The non-half-tone processing mode is continuously selected for a predetermined period of time irrespective of the result of the discrimination.

Abstract: This invention intends to reduce a variation in scanning line density by synchronously performing the storage of an image signal that should be outputted and the movement of an original. The timing for synchronization of the storage of the image signal with the movement of the original is stabilized by use of a reading request pulse.

Abstract: An image reader comprises a readout device for storing charges in a predetermined period to read an image of an original sheet and outputting the stored charges in a following period, an image signal processing device for processing the output image signal of the readout device, and disabling device for disabling the image signal processing device for an image signal output period immediately following a read request signal to the readout device.

Abstract: A granular fixed molded article of an enzyme or microorganism strain is prepared by adding dropwise a liquid composition, composed of (a) a hydrophilic photocurable resin having at least two ethylenically unsaturated bonds per molecule, (b) a photopolymerization initiator, (c) a water-soluble high-molecular-weight polysaccharide having the ability to become a gel upon contact with at least one polyvalent metal ion and (d) an enzyme or microorganism strain, to an aqueous medium containing a polyvalent metal ion to gel the composition in a granular form, and then irradiating actinic light on the resulting granular gel to cure the photocurable resin in the granular gel.