Abstract: A beam alignment system for generating an aligned two-dimensional array of parallel light beams, comprising a beam alignment chamber including a base extending in a length direction and a plurality of reflectors mounted on the base, each having independent yaw and pitch adjustments. The beam alignment system further includes a plurality of arrays of light sources, each generating an array of light beams and being paired with a corresponding reflector, the reflectors being disposed to direct the light beams along the length of the beam alignment chamber forming an aligned two-dimensional array of parallel light beams.

Abstract: Lighting fixtures, systems, and methods of using the lighting fixtures that can achieve radically increased energy efficiency and visual effectiveness, are disclosed. The invention also offers the potential for decorative effects, supplementary background lighting, and other lighting effects. Various embodiments use light sources capable of individual focus, replacement, and control of operation. Fixtures allow mounting of the light emitting components to achieve a large effective aperture/diameter of the fixture in relation to the distance from the illuminated area, producing improved illumination. The light emitting components may be installed on parts of the fixture that may be oriented individually, thereby allowing infinite and/or incremental adjustment of the overall light emission pattern to achieve desirable illumination effects.

Abstract: An illumination device is provided that has a superior decorative effect achieving a favorable dramatic effect and atmosphere. Sub-panels (2, 3, 4, 5) having the same shape as a main panel (1) are mounted pivotally to each side of the rectangular main panel (1) via hinges (6). Surface-emitting parts (1a, 2a, 3a, 4a, 5a) formed of organic EL elements are mounted on the main panel (1) and each of the sub-panels (2, 3, 4, 5). By changing a set angle between the main panel (1) and each of the sub-panels (2, 3, 4, 5) and by independently controlling the lighting of each surface-emitting part (1a to 5a), a favorable dramatic effect and atmosphere can be created.

Abstract: An assembly of a lighting unit and a receptacle unit includes at least one receptacle unit and at least one lighting unit. The receptacle unit has an outer housing provided with at least one first connection portion and at least one second connection portion electrically connected to the first connection portion in the outer housing. The lighting unit is electrically connected to one of the first and second connection portions of the receptacle unit, so that the lighting unit and the receptacle unit can be independently rotated in relation to each other along a connection axis thereof.

Abstract: An electric lighting system for concealed lighting and track lighting installations has lamp holders spaced along a custom power cable with two finely braided high current conductors. The cable and conductors have a flattened rectangular cross section and are exceptionally pliable to facilitate cornering in tight spaces. The cable exterior is slotted for reduced height of the installed lamp holders and optimum low profile of concealed lighting installations. The lamp holders are adaptable to different types of lamps and include an optional reflector. Snap-on mounting lugs permit installation of the cable and lamp holders directly to a mounting surface. Alternatively, a low profile track holds the cable and lamp holders.

Abstract: A light source for machine vision applications includes a housing having a thermally conductive base plate which supports an array of high intensity LEDs. The LEDs are fitted with secondary lenses which are aimed such that the light beams from the LEDs illuminate fixed targets having a predetermined spatial relationship so that the light source produces a very uniform light field. After the lenses are aimed, they are secured in the desired position relative to their associated LEDs using a UV-curable adhesive.

Abstract: A spread illuminating apparatus includes a plurality (m×n pieces) of lighting units (P11 to Pmn) which are disposed in a matrix with m rows and n columns, and each of which is an edge light type principally including a light conductor plate and at least one LED disposed at one side of the light conductor plate, and the entire luminous region of the spread illuminating apparatus is divided into segment areas constituted respectively by the lighting units (P11 to Pmn) which can be turned on and off in a controlled manner independently of one another.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens has a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: An operating lamp includes a center optical system, and a plurality of side optical systems. Each of the optical systems includes a plurality of light sources. Each of the light sources includes a condensing lens and an LED. When the positions of the condensing lens with respect to the LEDs are adjusted, the operating lamp is still able to generate a light field of a substantial Gaussian distribution. Thus the light intensity corresponding to the center of the operating lamp can still be optimized even when the light field is increased or decreased.

Abstract: A lighting system comprised of a central controller, a digital communications path, and a plurality of image projection lighting devices (IPLDs) is provided. The IPLDs contain cameras that can capture both visible light and infrared light. Address signals sent from the central controller first address a particular IPLD and then command signals sent from the central controller control an infrared blocking filter to be positioned in and out of a camera optical path of the particular addressed IPLD.

Abstract: A color changer, particularly for spotlights, comprising at least one dichroic filter which is adapted to be arranged in front of a light source, a motor for moving the at least one dichroic filter which is adapted to place the dichroic filter at least partially in front of the light source, the color changer further comprising an actuator which is adapted to tilt the dichroic filter with respect to the axis of emission of the light source.

Abstract: A convertible lamp array device comprising a spine member and a first and second side panels rotatably connected to the spine member. The spine member and the first and second side panels have at least one source of light connected thereto. The first side panel and the second side panel can be rotated relative to the spine member into an open position to allow the sources of light emit light towards a target area. The first side panel and the second side panel can be rotated in a second direction relative to the spine member to arrange the device in a closed position for storage of the device. The device is free standing in the open position to allow the device to be used without any external support.

Abstract: A lighting assembly includes a base plate having a longitudinal axis and a pair of linear edges equidistantly spaced therefrom. The linear edges extend parallel to the axis and along a longitudinal length of the plate. The linear edges are provided with a flange portion formed therewith and extending along a length thereof. The flange portions terminate at a predetermined distance above a top surface of the plate. Light fixtures are adjustably positional along the plate, and each of the fixtures has an LED housed therein. Slots are formed within the plate, and each of the slots has first, second, third and fourth segments aligned along offset quadrants. A mechanism slides the light fixtures within the slots and another mechanism locks the light fixtures within corresponding ones of the slots. A mechanism under mounts the linear edges to a bottom surface of a support.

Abstract: A LED lighting lamp tube comprises a transparent tube body, lamp caps, electrode pins, pedestals mounted at the connection position of the transparent tube body and the lamp caps, a power supply converter located adjacent to the lamp caps and inside the tube body, a PCB and a plurality of LED mounted on the PCB. These LED are connected in parallel or in series, and a light-scattering plate may be disposed over these LED. A plurality of LED chips can be directly mounted on the light-scattering plate. The lamp caps and the electrode pins possess the same international standards as common lamp tubes.

Abstract: A high power LED lamp and method for retrofitting conventional traffic signal lamps. The LED lamp includes a housing, a power supply disposed in the housing, a plurality of LEDs mounted to a substantially planar mounting surface in the housing and electrically connected to the power supply for producing diverging light, and a threaded electrical connector extending from the housing. The method includes replacing a convention incandescent light bulb with the LED lamp, and installing a Fresnel lens inside the traffic signal lamp that collimates and just fills and illuminates the outer lens of the traffic signal lamp.

Abstract: A light fitting with attachment to apparatus near a work area. Flexible and extendable connections to the bulbs of the light. Strong lighting bulbs attached to flexible and soft housings. Extendable and retractable portions of the said fitting to bring focused light as close as possible to the work area. Option of sensors to avoid collision with moving bodies.

Abstract: The invention is set for connecting L.E.D., bridging rectifier and AC/DC power transformer by using series connection method, also the main purpose is for saving energy and reducing the cost of electronic components. The first apparatus is built by first bridge rectifier, first L.E.D. group and first current-limiting resistor using the series connection method. The second apparatus is built by second bridge rectifier, second L.E.D. group and second current-limiting resistor using the series connection method. Then, finally the previous two apparatus will be connected each other by using parallel connection method to the AC/DC power source.

Abstract: A flashlight includes a main member having top, a bottom, a front and a rear. The main member has a base a head and battery pack, wherein the head is pivoted on the base via a pivot to be flexed to the front. A first light source and a second light source are mounted on the head, wherein the second light source projects light that is substantially to that of the first light source. A hook is provided in a tunnel in the base to be drawn out or pushed into. The first and second light sources and the flexion of the head provide a greater illumination range and a function of adjusting the illuminating direction when it is hung.

Abstract: The objective lens assembly of an optical inspection device is surrounded coaxially of its optical axis by an illuminator housing having therein a central opening surrounded by a circular array of reflective mirror surfaces or facets that are inclined at like angles to the optical axis, and which register with the light emitting of a like circular array of LEDs mounted in the housing in radially spaced, coaxial relation to the mirror facets. Mounted coaxially beneath the illuminator housing for vertical adjustment relative thereto is a generally disc-shaped Fresnel lens. The lens is movable by drive means optionally between an uppermost position adjacent the underside of the housing and a lowermost position adjacent the work that is to be inspected.

Abstract: An LED lighting array is disclosed wherein a plurality of light emitting devices disposed in at least first and second columns are mounted on a planar mounting surface to form an emission plane. The emission axes of all the LEDs in a first column are parallel with each other and lie in a first plane. The emission axes of the LEDs in an adjacent, second column are also parallel, but a second plane containing the emission axes of the second column is disposed at a predetermined, non-zero angle with respect to the first plane. The non-zero angle is a function of the LED beam width and the distance to a lighting target. This configuration of the LEDs provides an optimum balance at a predetermined target distance between the size of the area illuminated and the brightness of the illumination of the target. In one aspect of the invention the LED lighting array includes at least first, second and third columns of LEDs.

Abstract: A lighting apparatus in which plural light emitting devices for illuminating light to an object to be illuminated from the periphery thereof are put to light control, and a control device is provided for controlling light to the light emitting devices on every segment divided isogonally with respect to the lighting center at which the light is focused by a control device, wherein the control device 6 comprises an illuminance distribution setter 7 that sets the illuminance on every segments S1 to S4 individually in accordance with the start position of a vector that represents the lighting direction to the lighting center F on the XY coordinate plane D with the lighting center F being as an origin P0, and a light controller 9 that reads out the illuminance on every segment from the illuminance distribution setter 7 in accordance with the input data from a two dimensional data input device 8 that sets the start position and controls the light.

Abstract: A night light appliance that when plugged into a standard wall electrical outlet provides a means to direct many beams of light to specific places in the room. Extending from the appliance body are bendable arms with bright light emitting diodes mounted at the end of each arm. The plastic body of each light emitting diode contains a lens that forms the light into a narrow beam. This night light is particularly suitable to a conventional bathroom where an electrical outlet is normally found high on the wall and near the sink. Unlike conventional night lights that illuminate the area near the outlet, these light beams can be directed to appropriate places like the doorway, sink, and toilet. It is also useful in a hallway by directing light beams down the length of the hall rather than lighting the area around the electrical plug.

Abstract: A method and system are described for illuminating a document, such as passports, identity documents or other types of documents, using illumination means under control of a processor to effectively control the angle and direction of light on such documents to expose optically variable devices such as holograms, intaglio printing and optically variable coating and inks contained in or on the documents and the material laminating the documents.

Abstract: An illumination system including a plurality of light source modules each including a light-emitting surface and a dome lens, an illumination target and at least one optical device disposed between at least one of the light source modules and the illumination target. Each optical device includes an alignment mechanism engaging the dome lens, and at least one optical element fixed to the alignment mechanism, the optical element having an optical axis. The alignment mechanism is releasably securable between a first position and a second position relative to the dome lens for adjusting the optical device between the first position where the optical axis passes through the light-emitting surface and the illumination target, and second position where the optical axis passes through the light-emitting surface.

Abstract: An LED lighting includes a lamp holder defining at least one receiving space having two partitions provided at two ends thereof, and at least one lamp bank including at least one LED each. The lamp bank is received in the receiving space of the lamp holder by extending two conductive metal cylindrical members located in the two partitions into through holes on two metal end plates at two ends of the lamp bank. The metal cylindrical members are electrically connected to positive and negative electrodes of a power supply, and the two metal end plates serve as two power input ends of the lamp bank. The lamp bank is rotatable about the two metal cylindrical members to adjust the LED light projecting direction while the two metal end plates are in contact with and accordingly electrically connected to the metal cylindrical members to keep the LED in an illuminating state.

Abstract: Apparatus permitting adjustment of the length of a section of an illuminated sign such as is used to provide a visual indication of a particular service provided by a given vendor, such as a vendor of service station products and services, the invention provides for fitting of a last section of a succession of sections to a particular lengthwise dimension mandated by the structure to which the illuminated sign is mounted. Illumination sources, particularly sets of light emitting diodes, cause both forwardly and rearwardly directed light to be respectively diffused through a diffuser or reflected from a surface to which the sign is mounted to provide a glow yielding the intended visual affect.

Abstract: This invention provides a high-output industrial light fixture that employs a plurality of commercially available fluorescent light sources in an array of adjustable arm assemblies each housing one or more light sources (fluorescent bulbs) in an associated reflector box or other source housing structure. By adjusting the arm assemblies, a more-precise spread of light onto the target surface can be achieved. Arm mounting brackets can be provided with one or more locking positions to facilitate multi-position angular placement of each individual arm. A plurality of arm assemblies can be provided around a center housing or hub, each directed outwardly in a radial direction from a central point or axis of the center housing/hub. Each arm's source reflector box/source housing structure can be located to project light either downwardly or upwardly and can be angled at a plurality of angular adjustment positions with respect to the center housing in each of the upward and/or downward positions.

Abstract: A strip light includes one or more light assemblies each having a transparent, flexible, and elongated member including a plurality of enclosures with LEDs enclosed therein. A base having a plurality of enlargements is fitted in bottoms of the enclosures. A wire is electrically coupled to terminals of the LEDs. A connecting member is formed at both ends of the elongated member, with each connecting member having two opposite recesses on its surface. In assembly, one connecting member of a first light assembly is cut. The other connecting member of a second light assembly is pressed onto the enclosure of the first light assembly adjacent the cut connecting member until the recesses of the other connecting member of the second light assembly are seated on the connecting elements of the first light assembly. Then, the first and second light assemblies are electrically coupled together.

Abstract: A lighting fixture includes a light housing having two housing portions transversely extended at an adjacent angle less than 180 degrees to define a front angled opening, and a reflector having two reflecting portions received in the two housing portions of the light housing respectively wherein each of the reflecting portions of the reflector has a reflecting surface formed at an inner wall of the respective housing portion of the light housing. A light source arrangement includes two light sources, which are adapted for electrically connecting to a power source, supported within the two housing portions of the light housing respectively wherein the two light sources are arranged for producing lights to reflect on the two reflecting surfaces of the reflector respectively so as to project to outside through the front angled opening of the light housing with a wide projecting angle.

Abstract: A diode light source system for stage, theatrical and architectural lighting has numerous separate flat, rigid panels for mounting light emitting diodes that emit diode light beams to a common focal area. Each panel is mounted with a group of these diodes, and each has an outer and an inner panel. A screw arrangement selectively positions the panels, with each panel oriented at a selected angle relative to an axis, and with each group of diodes emitting diode light beams transverse to each separate panel. Each inner panel portion is flexibly secured to the screw arrangement. The panels function hold the diodes and act as electrical circuit boards to transmit direct electrical current to the diodes on the panels. The screw arrangement includes an elongated, externally threaded cylinder, with opposed inner and outer ends, rotatably aligned with the axis and mounted on a corresponding internally cylindrical threaded nut.

Abstract: A fluorescent light fixture is provided for retrofitting light fixtures utilizing conventional fluorescent lamps into light fixtures utilizing energy efficient fluorescent lamps. The fluorescent light fixture is a single unit comprising a reflector, socket plates at each end, lamp sockets, ballast, ballast cover and wiring. The reflector may be slidably mounted onto the socket plates to allow the retrofit to expand and contract. The fluorescent light fixture may include a attachment which temporarily secures the fluorescent light fixture within a light fixture shell.

Abstract: The invention relates to a luminaire having a light source (2) which has at least one light emitting semiconductor, and having a, as seen from the light source (2), concave reflector (1), the light source (2) being arranged in substance in the longitudinal axis of the reflector (1). In accordance with the invention, the light source (2) is of a plurality of luminous diodes (4) arranged on a carrier surface (3) and controllable, the ratio between the carrier surface (3) and the opening of the reflector (1) being between 1:3 and 1:20.

Abstract: The present invention relates to a patterned frame of a lighting string, which includes several similar patterned frames with different dimensions. Each of the patterned frames can be independently use for connecting with the bulb of the lighting string as a decoration. Every patterned frame can be assembled as a single patterned frame for providing a various decorative display.

Abstract: A two-piece reflector has a base member with a substantially planar surface including a substantially complete reflector and a partially complete reflector projecting therefrom and integral therewith. First and second spaced apart supports are associated with the partially complete reflector and project from the base member and provide pivot points therein. A substantially concave housing is adjustably fitted to cooperate with the partially complete reflector. The concave housing has a pair of spaced apart, projecting, axially aligned nubbins, a first of these nubbins being rotationally fixed to the pivot point in the first support and a second of the nubbins being rotationally fixed to the pivot point in said second support. This allows rotational adjustment of the housing about the axis defined between the pivot points. Means are provided attached to the concave housing for fixing the same in a desired position.

Abstract: A lighting unit of a tent includes lamps, wires provided for connecting the lamps to power, and holding trenches formed along lower sides of upper rod portions of a supporting frame of the tent. Each of the holding trenches is made to have a slot narrower than a middle room thereof, and the lamps have a diameter bigger than width of the slot so as not to fall down when held in the trenches. Thus, the lamps are hidden in the holding trenches to not badly affect appearance of the tent. And, light emitting diodes can be used as the lamps to help make the tent attractive.

Abstract: A portable stack lamp includes a base supported by a supporting device, such as an extensible tripod and a plurality of rolling wheels, two or more lamp units stacked up to form a stack-up lamp body mounted on said base, and a cover which is adapted to cover a top opening of the housing of the lamp unit having a handle affixed thereon. The portable stack lamp is arranged to provide 360 degrees illumination so as to produce luminous beams in all directions while the user is able to selectively increase or decrease its luminous intensity by simply stacking up more or less lamp unit easily anytime. Therefore, the portable stack lamp can illuminate the surrounding that not only minimizes the number of work lamps to be used but also saves both the electrical energy and illumination cost.

Abstract: Disclosed is a lighting fixture that provides easy lamp replacement and blocks the view of the back wiring.

Abstract: A two-piece reflector has a base member with a substantially planar surface including a substantially complete reflector and a partially complete reflector projecting therefrom and integral therewith. First and second spaced apart supports are associated with the partially complete reflector and project from the base member and provide pivot points therein. A substantially concave housing is adjustably fitted to cooperate with the partially complete reflector. The concave housing has a pair of spaced apart, projecting, axially aligned nubbins, a first of these nubbins being rotationally fixed to the pivot point in the first support and a second of the nubbins being rotationally fixed to the pivot point in said second support. This allows rotational adjustment of the housing about the axis defined between the pivot points. Means are provided attached to the concave housing for fixing the same in a desired position.

Abstract: There is provided an adjustable device for supporting a lighting element of a lighting fixture, and which provides for adjusting the spatial configuration of the lighting fixture by adjusting, in particular, the position of a lamp-holder with respect to a supporting body; the lamp-holder is connected to the supporting body by an electric cable, and by a flexible conducting first rod secured at opposite ends to the lamp-holder and the supporting body; a flexible second rod is fixed to the lamp-holder and to the supporting body by respective attachments; and adjusting means are provided for adjusting the length of the second rod to selectively adjust the distance between the respective attachments and, therefore, the position of the lamp-holder with respect to the supporting body.

Abstract: A rail lighting system includes an adapter having contact members with elongated portions. A body having an opening for a rail receives the contacts such that the elongated portions extend adjacent the rail. A wedge includes members that engage the contacts to urge the elongated portions toward the rail. The wedge is secured to a cap that threadedly engages the body. The rail includes at least one conductor in opposite end portions of the rail with respect to its depth. The conductors of the rail may include a single conductor or, alternatively conductors on opposite sides of the rail. A lighting fixture spring clip includes sets of opposite tangs including a first set having V-shaped end portions to engage a notched lamp base and a second set having curved end portions for engaging an enclosure barrier.

Abstract: A lighting apparatus adapted for installation in a variety of configurations to provide decorative illumination is disclosed. The apparatus includes a frame formed by a spine member and a plurality of spaced elongate bendable arm members connected to the spine member. Each arm member has a plurality of electric lambs connected thereto. The arms and spine are each semi-rigid to provide a supporting frame, and are further bendable so as to enable the structure to be formed into a variety of different configurations. The lighting apparatus is specifically adapted for use in decorating trees and/or columns by aligning the apparatus with the trunk of the tree and bending opposing arms around the trunk such that the trunk is encircled with lights. Electrical connectors allow a plurality of lighting devices to be connected in series thereby forming very large illumination displays.

Abstract: The present invention is a kit or a channel system useful for the removable mounting (installation and removal) of ornamental light strings onto buildings such as houses, offices, stores, and the like. The system according to the present invention has at least one, preferably a series of, display channel pieces, or tracks, that are attached to a surface of a building, such as a house, store, office, or the like. The channel pieces are coupled together with coupling tabs. Slide mounts moveably fit within, and work with, channels within the channel pieces and are used to moveably secure ornamental light strings to the system when in use. Beveled edges located on distal ends of projections on the channel pieces allow for variable positioning of light strings using the channels system of the present invention. A slide mount guide is used to urge the mounted light string from a storage channel piece to the display channel pieces.

Abstract: A high efficient tubular light emitting cylinder is disclosed. The high efficient tubular light emitting cylinder is especially an LED tubular light emitting cylinder which can be installed and maintained easily and has a high light emitting efficiency. The tubular light emitting cylinder has a plurality of light emitting segments. The light emitting segments are connected in series. The connected light emitting segments are installed in a tubular light emitting cylinder for improving the light emitting efficiency. The light emitting segments can be taken out from the light emitting cylinder easily so that the light emitting cylinder can be installed and maintained easily and conveniently.

Abstract: A paint booth lighting fixture having a sealed enclosure that receives a plurality of light bulbs, each of the bulbs having an individually adjustable reflector movably secured adjacent thereto. The reflectors are movable to direct light in a desired direction. The reflectors are held in a desired position and include an elongated body defining a series of elongated reflective surfaces.

Abstract: An apparatus and method for compound angle illumination of items such as electronic components and features on those components that are within a field of view of a camera. Illumination assemblies are provided on opposite sides of the components, where illumination criss-crosses the component and its features. The illumination assemblies are also tilted at a vertical angle relative to the component. Light emitting diodes are used as a light source and, in one embodiment, refracting prisms are provided to refract the light from the LED's to provide the criss-cross illumination.

Abstract: There is proposed a spotlight, in particular a reading light in cabins of vehicles and craft, in particular aircraft, which has preferably white light-emitting light-emitting diodes (1) which are radially encased by a body, wherein a lens body (6) is fitted on the end light exit opening of the body, as the lighting source and a frame (9) which carries the lighting source and which is pivotable or rotatable about at least one horizontal and/or vertical axis and is adapted to be fixed in the respective selected position. The frame (9) can be received by a receiving body (13) and is supported therein pivotably or rotatably about at least a horizontal axis (14). The receiving body (13) is held in a fixing ring (21) and is rotatable about a vertical axis. The frame (9) with the receiving body (13) and/or the receiving body (13) with the fixing ring (21) are latchable respectively through a spring and in a resiliently latched manner.

Abstract: The invention relates to a lighting installation, in particular as a danger light, obstruction light or day and night marker, having at least one luminaire, with at least one lighting means (13) being arranged in a housing. According to the invention, the lighting means (13) is annular or semi-annular in design and defines a ring axis (19). Furthermore, the lighting means (13) is assigned at least one reflector surface (11) which encircles an axis of rotation (21) entirely or in part. Finally, ring axis and axis of rotation run essentially parallel or even coaxial to one another.

Abstract: A paint booth lighting fixture having a sealed enclosure that receives a plurality of light bulbs, each of the bulbs having an individually adjustable reflector movably secured adjacent thereto. The reflectors are movable to direct light in a desired direction. The reflectors are held in a desired position and include an elongated body defining a series of elongated reflective surfaces.

Abstract: A lamp bulb having a core column and a plurality of internally stretching miniature lamp beads therein, wherein the lamp bulb has on one end thereof a metallic cap. The core column is connected with an elastic frame by means of guide posts; the elastic frame can be elastically stretched as per its own nature and can be in any of various types. The miniature lamp beads are arranged on the elastic frame. The elastic frame can be bent to make its width reduced to be able to place into the lamp bulb via the opening thereof, the elastic frame and the miniature lamp beads can be stretched into a predetermined shape in the lamp bulb. Thereby, limitation of opening of a glass lamp bulb as before can be gotten rid off, the space in the lamp bulb can be used as far as it can be to construct a more attractive decoration effect with many light spots.

Abstract: An adaptive variable-length coding/decoding method performs an optimal variable-length coding and decoding depending on an intra mode/inter mode condition, quantization step size and a current zigzag scanning position, such that a plurality of variable-length coding tables having different patterns of a regular region and an escape region according to statistical characteristics of the run level data are set. One of the variable-length coding tables is selected according to mode, quantization step size and scanning position, and the orthogonal transform coefficients according to the selected variable-length coding table are variable-length-coded.