PURPOSE:To obtain a sequence approximate vector quantizer which does not reproduce an unnatural picture when the picture changes rapidly by using tree search vector quantization for a vector quantization part and by controlling variably the number of steps. CONSTITUTION:By controlling variably the number of tree search vector quantization steps by a feedback control signal 45, a quantizer performs...

PURPOSE:To obtain a compact, low-cost lens barrel at low cost by providing the frame of a moving lens with an engaging element which engages a nonlinear screw formed in a rod type rotating body which extends in the direction of the optical axis. CONSTITUTION:The engaging element 7 is provided to the frame 1 of the lens which is freely slidable in the lens barrel which is not shown in a figure in t...

PURPOSE:To produce a high-strength cold-rolled steel sheet having baking hardenability and press formability in the stage of producing a low carbon steel sheet by performing an annealing treatment after hot rolling and cold rolling of a steel slab under specific conditions. CONSTITUTION:A steel slab contg. 0.02-0.10% C, <0.07% Si, 0.05-0.5% Mn, 0.03-0.20% P, 0.02-0.15% Al and 0.003-0.008% N is hot...

A stick-shaped cosmetic material comprising a hydroxypropyl-etherified glycolipid ester represented by the general formula, wherein R1 represents a methyl group or a hydrogen atom, R2 represents a saturated or unsaturated hydrocarbon group having carbon atoms of 11 to 15 when R1 is a methyl group, or R2 represents a saturated or unsaturated hydrocarbon group having carbon atoms of 12 t...

PURPOSE:To produce a polyethylene bag having an arbitrary size from a thermoweldable film such as a wide tubular polyethylene film, etc., by allowing heat generating, cutting and welding means to be adjustably moved laterally of the thermoweldable film. CONSTITUTION:Heat generating, cutting and welding means is positioned on the same level as that of a severable and weldable film 1 and can be adju...

An absorbent structure of loosely compacted cellulosic fibers substantially rectangular in shape having increasing gradient densities from the central portion to each transverse end and methods for making the structure.

PURPOSE:To form a liquid jet recorder which has an interchangeability with a recording head used for other recorder by penetrating a connecting passage for connecting to a recovery pump through a ceiling plate to each liquid chamber of a liquid reservoir, thereby freely setting the position of one end of the passage in response to the desired liquid level. CONSTITUTION:A ceiling plate 13 of a liqu...

PURPOSE:To perform the effective cleaning and capping of a head nozzle and the cleaning of a capping rubber by achieving an eccentric motion in a guide shaft which supports the rightward and leftward movements of a print head. CONSTITUTION:Rotational shafts 8 provided at both ends of a guide shaft 7 are eccentrically displaced, and when a head nozzle is cleaned, a nozzle face 2 and a cleaning tape...

PURPOSE:To obtain a large vibration and an amplitude with a low voltage by laminating piezoelectric elements and applying an alternating voltage to the upper and lower surfaces and the bonding surface. CONSTITUTION:Piezoelectric elements 1 are bonded from both side surfaces with a horizontally long rod-shaped vibrator 2, and a high frequency power source 4 is applied thereto to drive a dynamic uni...

PURPOSE:To enhance sensitivity and to reduce fog by using silver halide gains formed in the presence of a specified compd. to form an emulsion layer. CONSTITUTION:At least one silver halide (AgX) emulsion layer contains AgX formed in the presence of a compd. represented by the formula in which R<1>, R<2> are each alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or a heterocyclic, and each optionally sub...

PURPOSE:To increase the accuracy in optical axis adjustment by having the 1st detecting mechanism which detects the position of the optical axis and detects roughly the direction where said light is irradiated and the 2nd detecting mechanism which detects the relative positions on the movable side and stationary side of an angle-adjusting cable. CONSTITUTION:The 1st detecting mechanism 6 for rough...

PURPOSE:To facilitate a changeover connection among optical fiber cores and supply gas to a low-order side cable in switching operation while gas maintenance is possible by storing a high-order and a low-order core, a held core, and an excessive-length core in an airtight housing, and providing a gas distributor. CONSTITUTION:The core 8a of the high-order side cable 9 of an optical fiber cable is ...

PURPOSE:Thioxanthene derivatives of formula I [X,Y are same or different H, halogen, trifluororomethyl;the dotted line in ring A indicates the place where double bond may be formed;Z is radical of formula II, III(R<1> is H, halogen), etc.], and their salts, e.g. 2'-chloro-4-[2-hydroxyethyl)-1-piperazinyl]spiro [2-cyclohexane-1,9'-thioxanthene]malate.

PURPOSE:N<1>-(3,2'-Bitetrahydrofuran-2-yl)-5-fluorouracil of formula I.

PURPOSE:Epoxysuccinic monoester derivative of formula I (R is benzyl having 1-3 substituents, 1-naphthylmethyl having 0-2 substituents 3-phenyl2-propenyl, furfuryl, thenyl), for example, mono-p-chlorobenzyl epoxysuccinate.