Abstract: An encoding apparatus having a 16-bit read-only-memory(ROM) and a general 16-bit microprocessor comprises: means for storing variable length code table data which is originally of 18 bit length in said ROM, means for processing a source code inputted from an input line in said microprocessor to convert said source code into an appropriate form for accessing said variable length code table data stored in said ROM so as to determine the length of the variable length code, and means for transmitting said variable length code of said determined length through a transmission line.

Abstract: A variable length code (VLC) decoding apparatus for decoding sequential variable length codewords includes a second barrel shifter cascaded to a first barrel shifter for providing a second table memory device with a decoding window output sequence which is directly shifted in response to a codeword length output from a first table memory device so that the first bit in the decoding window output sequence is the first bit of the next variable length codeword in a decoding window output sequence from the first barrel shifter; and the second table memory device for producing a fixed length codeword in response to each variable length codeword in the second decoding window output sequence, to thereby decode, at each clock cycle, consecutively two variable length codewords without an operational delay in an accumulator for shifting the decoding window of the first barrel shifter.

Abstract: A novel apparatus for improving the overall compression efficiency comprises: a transformer for transforming an input video signal into a plurality of subbands of transform coefficients, wherein one subband which exists in the lowest frequency band includes one or more DC coefficients, the remaining subbands contain a multiplicity of AC coefficients, respectively; a converter for converting the transform coefficients included in the plurality of subbands into a number of assembled blocks with a predetermined identical size, each of the blocks having one DC coefficient and a plurality of AC coefficients; a generator for generating a selection signal representing a class for each of the assembled blocks; first encoder for encoding the DC coefficients of the assembled blocks, to thereby generate a first encoded video signal; a second encoder, responsive to the selection signal, and for encoding the AC coefficients of each of the assembled blocks, to thereby produce a second encoded video signal; and a formatter

Abstract: An apparatus for conveying the aggregate accumulated in the course of reprocessing of residual concrete in a bin is described which has a conveyance arrangement (10) of the type of a worm conveyor. The conveyor trough of this work conveyor (10) is configured as a flexible elastic path (16). Apertures exist in this path (16) which are suited for passage of no larger than a predetermined 1magnitude of aggregate which is conveyed out by the worm conveyor.

Abstract: A karaoke apparatus evaluates a singer's performance by employing: a microphone for converting the singer's voice into a electrical voice signal; a first analogue to digital (A/D) converter for converting the electrical voice signal into a digitized voice signal; a audiovisual equipment for producing the accompanying music; a second A/D converter for digitizing the accompanying music to produce a digitized accompaniment signal; and a performance evaluator for measuring the difference between the accompanying music and the corresponding karaoke singer's voice to produce a score for the karaoke singer's singing performance.

Abstract: A blind apparatus including head box, a bracket for mounting the blind apparatus on a window, a plurality of vertically spaced parallel slats supported by ladder cords connected to a rotary drum located in a head box, a tilter device for tilting the slats and including a tilter input shaft, a tilter for transmitting the rotation of the tilter input shaft to the rotary drum, and a hollow rotating operation rod coupled to the tilter input shaft, slat lifting cords, a stopper device disposed in the head box for restraining the lifting cords from moving, and a stopper releasing cord connected at its one end to the stopper and extended through the interior of the rotating operation rod and the grip at a free end of the operation rod.

Abstract: A method of controlling thermally alterable profiles of working rolls during hot rolling of strips having different width includes providing cover shells for the working roll, determining a position of edges of the rolling strip on the working roll, determining a position of thermally isolating cover shells, which cover longitudinal portions of the working roll in a region of the strip edges for influencing a temperature gradient of the working roll, and displacing the cover shells to selectively cover a longitudinal region of the working roll in a strip edge-contact region of the working roll with the rolling strip, and a longitudinal region of the working roll which does not contact the rolling strip during strip rolling. The cover shells and a mechanism for displacing the cover shells are parts of an arrangement for effecting the method.

Abstract: A post-processing filter apparatus for use in an image signal decoding system, capable of improving the image quality of the system, comprises a memory for storing decoded image data of a current frame; a filter for filtering target pixel data in the stored decoded image data to thereby produce filtered target pixel data, wherein the target pixel data represents the value of a pixel to be filtered; a calculator for calculating an absolute difference value between an original target pixel data and the filtered target pixel data; a first circuit for selectively generating a first or a second threshold value based on the decoded image data and the target pixel data; a second circuit for updating the stored target pixel data with the filtered target pixel data if the absolute difference value is smaller than the generated threshold value; and a third circuit for sequentially updating the stored target pixel value with corrected target pixel data T times if the absolute difference value is equal to or larger than

Abstract: A rock drill includes an axially elongated shank with a chucking shank part (1) at one end, a drilling shank part (2) extending from the chucking shank part and having at least four drilled material conveying flutes (4, 5, 6, 7) disposed next to one another in a parallel manner, and a drilling head at the opposite end of the shank and formed of hard metal and having four removal flutes (8, 9, 10, 11) spaced apart about its outer circumferential surface. The removal flutes have transverse cross-section of different size and each of the transverse cross-sections of the removal flutes (8, 9, 10, 11) open into one of the conveying flutes (4, 5, 6, 7) of the drilling shank part.

Abstract: A post-processing filter apparatus for use in an image signal decoding system, capable of improving the image quality of the system, comprises a memory for storing decoded image data of a current frame; a controller for assigning each pixel value included in the stored decoded image data as a target pixel value in sequence, the target pixel value representing the value of a target pixel to be filtered, and for producing information representing the position of the target pixel; a pixel region determinator for generating a selection signal representing whether or not the target pixel belongs to a boundary region of a block in the stored decoded image data by using the position information of the target pixel, wherein the boundary region denotes a region which includes pixels placed along the boundary of the block; a filtering device for selectively filtering the target pixel value in response to the selection signal to thereby produce a filtered target pixel value; a updating circuit for updating the target pi

Abstract: A device for measuring tape tension for use in a tape recorder utilizes a guide pole having an external surface portion thereof coated with a piezoelectric material to detect the tape tension.

Abstract: Organopolysiloxanes, which terminally, laterally or both have at least one group of the formula ##STR1## well as at least one acrylate group, linked over a bridge element to this group, is obtained by hydrosilylation of organopolysiloxanes with at least one SiH group by compounds, which have at least two acrylate groups, in equimolar amounts at a temperature of 60.degree. to 130.degree. C. in presence of rhodium catalysts. The rhodium catalysts cause a 1,2 addition to take place during the addition reaction between polyacrylates and hydrogen siloxanes.

Abstract: An array of M.times.N electrodisplacive actuated mirrors for use in an optical projection system is assembled by way of: (a) preparing two identical ceramic wafers; (b) forming M identical trenches thereon; (c) interlocking and bonding together to form a ceramic block; (d) forming a composite ceramic structure from the ceramic block by polishing the top and bottom surfaces thereof: (e) providing M.times.N signal electrodes and M+1 bias electrodes on the bottom and top surfaces thereof, respectively; (f) mounting on an active matrix to thereby form an array of M.times.N actuators; (g) preparing platforms, to be formed thereon a light reflecting layer; (h) forming the light reflecting layer; (i) patterning the light reflecting layer, including the platform into an array of M.times.N mirrors; and (j) making electrical connections to thereby form the array of M.times.N electrodisplacive actuated mirrors.

Abstract: A palladium alloy plating composition comprising 4 to 20 g/l of palladium ion, 0.3 to 2.0 g/l of gold ion, 5 to 100 g/l of a conductive salt and 0.5 to 20 g/l of a complexing agent, and optionally 0.3 to 5 g/l of an alloying metal ion provides a plating with an excellent solderability and flexibility onto a substrate by an electrical plating method.

Abstract: An apparatus for mixing at least one flowable mass includes a rotatable support (2), a container carrier (1) and container (4) and a separate housing (3). The container carrier (1) and housing (3) each has a central axis inclined relative to the axis of the rotatable support (2). The container carrier (1) can be driven around its axis opposite to the rotational direction of the rotatable support (2). The apparatus is balanced by an equalizing mass (3a) in the housing (3) disposed diametrically opposite the container carrier (1).

Abstract: A multi-coordinate probe including a housing, at least one tracer pin for scanning an object and deflectable in a plurality of coordinate directions upon engagement with the object, and a support for supporting the tracer pin in the housing and formed of a plurality of multi-arm leaf springs having each at least one axially extending spring component.

Abstract: The optical pick-up system utilizing a knife edge method for a determining focusing error includes a light source, an optical detection unit, a beam splitter, an object lens, a knife edge, a pair of adders and a differential amplifier, wherein the optical detection unit further is provided with a first detector and a second detector, each of the first and the second detectors being equally divided to provide a pair of first and second photoelectric cells.

Abstract: A video cassette recorder ("VCR"), which is capable of automatically setting a television ("TV") receiver when the VCR is in a playback mode, comprises an A/V (audio/video) line connection detector for detecting whether the A/V signal output terminal of the VCR is connected to the TV receiver; a RF (radio frequency) channel detector for detecting a carrier frequency of a RF signal; a memory for storing power-on, power-off, TV mode, A/V mode, channel 3 and channel 4 key codes; a microprocessor coupled to the A/V line connection detector and the RF channel detector for reading a key code from the memory to thereby provide the key code; and an IR signal transmitter for transmitting an IR signal carrying the the key code to an IR signal receiver of the TV receiver.