Abstract: A method is disclosed for cooking food in an oven cavity, where airis the cooking medium. Using a predetermined cooking algorithm, a temperature of the oven cavity is adjusted in a plurality of temperature and/or time regulated cooking stages. An initial pre-heat stage targets a first target temperature including a user-selected oven cavity temperature plus a first offset. A subsequent post-heat stage targets a second target temperature including the user-selected temperature plus a second offset different from the first offset. Two or more heating elements and a fan are operated during the post-heat stage according to a duty cycle controlled via a hysteresis temperature control algorithm or a PID temperature control algorithm.

Abstract: An air fryer comprises a main body and a lid assembly. The lid assembly is removable from the main body for placement on a countertop, and comprises a hot air assembly, an outer lid shell covering the hot air assembly, and a support member downwardly extending from the outer lid shell. Upon placing the lid assembly on the countertop, the support member elevates the lid assembly so that the hot air assembly is elevated at a height from the countertop, thereby avoiding burns on the countertop. Upon removal of the lid assembly from the main body, the lid assembly can be supported to the countertop by using a support leg portion of the support member, allowing convenient placement of the lid assembly. The support leg portion elevates the hot air assembly at a predetermined height from the countertop thereby protecting the countertop from burns.

Abstract: A steam temperature regulator and auxiliary cook basket for barbeque smoking and a barbeque including the steam temperature regulator and auxiliary cook basket are disclosed. The steam temperature regulator comprises a liquid reservoir, wherein the liquid reservoir provides a liquid barrier between a heat source and a cooking chamber, a channel through the liquid reservoir, wherein the channel provides a path for heat and/or smoke to enter the cooking chamber, and a damper positioned within the channel to adjust the amount of heat and/or smoke allowed to enter the cooking chamber. The auxiliary cook basket utilizes exhausting heat/smoke to cook and flavor small items.

Abstract: A device utilizes charcoal for cooking food, and is adapted for lighting the charcoal by placement on a conventional gas grill. The device includes a food-receiving plate/grill, a charcoal platform, and an ash platform/tray. The device is adapted so that, with the ash tray removed and the device resting on the gas grill, heat from the gas flames ignites the charcoal resting on the charcoal platform. Upon the ignition of the charcoal, the gas grill may be turned off, the ash tray may be inserted into the device underneath the charcoal platform to catch the charcoal ash, and the device may remain on the gas grill or be moved to another table/surface as the charcoal-only cooking proceeds. The charcoal platform may be stationary in one location, or movable to multiple locations, between the bottom extremity of the device and the food-receiving grill member(s) at the top of the device.

Abstract: A handle assembly includes a metal handle and a grip. The metal handle includes two lateral sections extending from the middle section. The grip includes two shells. The first shell includes two minor portions extending from a major portion, thereby providing a space. The second shell includes two secondary portions formed at two ends of the primary portion. The shell is shaped in compliance with the space. The middle section is entirely inserted in the space. Each of the lateral sections is partially inserted in the space. The second shell is entirely inserted in the space. The middle section is sandwiched by the major portion and the primary portion. A portion of each of the lateral sections is sandwiched between a one of the minor portions and a one of the secondary portions. Thus, the metal handle is kept in position relative to and between the first and second shells.

Abstract: An infrared temperature equalizing device and a grill thereof having a first vertical plate, a first folded plate, a second vertical plate, and a second folded plate. The first folded plate is connected with the second folded plate to form a cover. The first vertical plate and the second vertical plate form a wall. The wall and the cover form a heat aggregation chamber for hot air aggregation and circulation, which has a closed top and a bottom opening with a longitudinal depth. The temperature equalizing device achieves heat aggregation, temperature rising, and temperature equalizing. Through infrared and convection heating, the grill can heat food evenly and roast the food quickly.

Abstract: A food delivery container including a plurality of insulated walls that form a food chamber, and a climate control system. The climate control system includes an air flow pathway and a heating and/or cooling element positioned within the air flow pathway. A fan is in air flow communication with the food chamber through a first inlet opening and a first outlet opening in the one of the plurality of insulated walls. The fan is configured to draw in air from the food chamber through the first inlet opening and push air into the food chamber through the first outlet opening such that air travels through the air flow pathway and over the cooling and/or heating element to circulate heated/cooled air within the food delivery container. The climate control system also includes a power supply configured to supply electrical power to the fan and the cooling/heating element.

Abstract: A product preparation system and method wherein a single-use product container assembly, including a cup body and a cup closure, the cup closure including a rotatable blade, and a container processor including a container support and an electric motor including a drive shaft are employed to process contents of the container assembly.

Abstract: A blender or food processor having electronics associated therewith including at least one controller, at least one current sensor and at least one speed sensor, the controller controls the operation of the blender motor based upon the contents being blended inside the blender jar and compares measured current and speed values and measured changes in the current and speed values to predetermined values stored in memory in order to (1) determine the load size placed in the blender jar, (2) determine if cavitation exists in the blender jar, and (3) determine the final consistency associated with the output of the product placed within the blender jar as selected by the user.

Abstract: The present system provides an enclosure which engages a blender base via friction fit created by one or more engagement members, so that a rotation of the enclosure and blender base relative to one another secures the enclosure to the blender base with an audible or tactile confirmation. A centering pad is attached to the system. The centering pad prevents the enclosure from rotating and becoming unlocked from the blender base due to operation of a motor.

Abstract: Some embodiments of the present disclosure provide a cup with a juicing function and a cup with a milk frothing function. Each of the two cups includes a cup body, a cup base, a motor, and a control assembly. There is accommodated space between a base body of the cup base and a bottom cover. The motor and the control assembly are disposed inside the accommodated space. An annular groove is disposed in an upper surface of the base body. A first through-hole is disposed at the bottom of the annular groove. A first seal ring is disposed inside the annular groove. An output shaft of the motor passes upwards through the base body and is connected to a blade or a milk froth stirring head. The output shaft of the motor is in sealed connection with the base body through a second seal ring.

Abstract: A method for cooking fowl and/or other unitary food articles utilizing multiple immersions into hot cooking fluid includes cooking central portions of fowl, or other unitary food articles, for longer durations than one or both end portions of the fowl or unitary food articles by cooking central portions twice and cooking one or both end portions only once.

Abstract: A two-part, fold-up vegetable and fruit washing device with a removable lid. The bottom and lid take the form of a standard plastic, or other material, lidded container. The middle part is a pop-out strainer that holds the vegetable or fruit being washed or rinsed. The strainer in the middle part can pop out to strain, or can pop into a folded, flat configuration for storage. In the folded configuration, the middle part is placed in the bottom part, and the lid is put in place. The folded device takes up no more room than a normal plastic lidded container typically found in kitchens.

Abstract: A container and lid storage device is provided. The container and lid storage device includes a telescopic spine connected to a planar base, wherein the telescopic spine provides a plurality of support arms movable between a collapsed condition and an extended condition. A support hand is provided along a distal end of each support arm, each support hand dimensioned and adapted for supporting a plurality of containers, wherein each support hand is adapted to support a predetermined size different than that of an adjacent support hand. As a result, in the collapsed condition the support hand nests in downwardly adjacent containers.

Abstract: An extendable shower seat. The extendable shower seat includes a chair having a back portion and a seat portion, wherein the back portion is perpendicularly affixed to a rear side of the seat portion. A frame is affixed to the lower side of the seat portion and a plurality of legs are affixed to the frame. A pair of sidewalls are each pivotally affixed to opposing lateral sides of the seat portion about a hinge, wherein the pair of sidewalls can pivot about the hinge when a button disposed on the hinge is actuated, and remain locked in the selected position when the button is released.

Abstract: Apparatus and methods for constructing a shower pan. The shower pan is constructed from wedge panels having a foam core and facers on major surfaces of the wedge panels. The wedge panels are cut into portions that fit regions of the shower pan area. The wedge panel portions are placed in the regions such that the sloped upper surfaces of the wedge panel portions collectively form a continuous surface that at all locations slopes downward toward the drain of the shower. Pans for a wide variety of shower shapes and sizes can be constructed. The shower pan may be efficiently constructed on-site, often using common tools and techniques.

Abstract: A dispenser is provided for dispensing a hygiene product. The dispenser includes; a time-of-flight sensor for measuring a position of an object relative to the dispenser; and a controller configured to selectively operate at least one function of the dispenser based on the measured position of the object relative to the dispenser. A method of operating at least one function of a dispenser for dispensing a hygiene product is also provided. The method includes measuring with a time-of-flight sensor a position of an object relative to the dispenser; and using a controller to selectively operate the at least one function of the dispenser based on the measured position of the object relative to the dispenser.

Abstract: The Soap'r-Saver is a very simple device; simply designed, simply made, and simple to use. A Consumer bath item utilizing ones favorite bar soaps that have been used until they're worn down to a piece too small to effectively use in the bath. The small pieces of soap are Saved in the Soap'r-S aver preventing the need to buy a new bar of soap, keeping the soap pieces out of landfills, Saving the Consumer Money and Saving the environment. Soft nylon mesh fabric closed on three sides, forming a pouch, measuring 6? along the bottom length, 4? on each end/side height, to the top closed with a soft plastic zipper, non-corrosive and smooth on the skin when you finally use your Soap'r-Saver in the bath, gently scrubbing, lathering, enjoying. Weighing only one ounce when empty, only ½? thick/wide, but capacity to hold a lot of pieces of soap of all sizes.

Abstract: Devices, apparatus and systems for preventing towels from slipping off a towel holder are disclosed. The apparatus, devices and systems may include a surface that provides a frictional interface between the towel and towel holder. Two opposing edges of such a device may each include at least one raised or enlarged attachment formation which, when the device is moved from an unraveled condition to an engaged condition, may be aligned and connected to effectively connect the edges to each other. Such a device may further include a plurality of friction formations configured to face and contact a towel and a plurality of ridges configured to face and contact a towel holder when the device is in an engaged condition, surrounding a towel holder and supporting a towel.

Abstract: A wet wipe device is disclosed to include a water tight outer shell that includes two endcaps, at least one moisture inlet and an overlapping longitudinal paper egress defined in the outer shell. A hollow tube disposed radially within the outer shell, the hollow tube configured to enable the roll of paper to rotate thereon while the outer shell is stationary. The overlapping longitudinal paper egress includes a first edge having a first radius and a second edge having a radius less than the first radius to form an overlapping seal around the paper egress. The at least one moisture inlet includes one moisture inlet for a toilet paper roll shell and at least two moisture inlets for a paper towel shell. The toilet paper or paper towel may be premoistened and premedicated or moistened in use and be perforated or cut to length via a disclosed strip paper cutter.

Abstract: In one aspect, the present disclosure is directed to a sheet material dispenser. The dispenser can include support for supporting a supply of the sheet material, and a feed roller arranged along a feed path of the sheet material downstream from the supply of sheet material that is operable to pull the sheet material from the supply of sheet material for feeding thereof. Additionally, the dispenser can include a controller that is in communication with the feed roller and includes programming for monitoring rotation of the feed roller during a dispensing cycle for feeding a selected length of the sheet material from the supply of sheet material. A material supply monitoring system further can be in communication with the controller, and operative to detect a number of rotations or an angle of rotation of the supply sheet material during at least a series of dispensing cycles.

Abstract: An electric blower includes a motor, a first rotor blade provided on one end side of the motor in an axial direction, a second rotor blade provided on another side of the motor opposite to the first rotor blade in the axial direction, and a first stator blade provided to face the first rotor blade.

Abstract: Embodiments of the disclosure relate to a robot cleaner and a controlling method thereof, and more particularly, to a robot cleaner and a traveling algorithm of a robot cleaner having an improved structure. A robot cleaner of the disclosure includes a brush unit having a suction flow path, a body unit configured to have a driving device, and be coupled to the brush unit to be rotatable with respect to the brush unit and a redirection device configured to rotate the body unit relative to the brush unit, and the redirection device includes a rotation guide extending along an inner circumferential surface of the brush unit, a rotation driving source disposed in the body unit and generating power, and a power transmission member which moves along the rotation guide by the power transmitted from the rotation driving source and rotates the body unit with respect to the brush unit.

Abstract: A device, for trapping an item in an intake hose of a vacuum before the item reaches a collection bin of the vacuum, includes a body and a screen. The body has a chamber, an entrance, and an exit. The chamber is configured such that when the chamber is coupled to an intake hose of a vacuum and the vacuum draws fluid into the intake hose, the fluid flows through the chamber. The entrance is couplable with an intake hose of a vacuum and configured such that when fluid flows through the body's chamber, the fluid enters the chamber through the entrance. The exit is coupleable with the intake hose of a vacuum and configured such that when fluid flows through the body's chamber, the fluid leaves the chamber through the exit. The screen of the device is disposed inside the body's chamber, and sized and configured to allow fluid that the vacuum draws in to flow through the body's chamber while preventing large objects suspended in the fluid from flowing through the body's chamber.

Abstract: A surface cleaning apparatus comprises a cyclone with a cleaning member axially moveable in the cyclone chamber and a drive handle exterior to the cyclone chamber.

Abstract: A surface cleaning apparatus comprises an air treatment member having an air treatment chamber. A moveable member is positioned in the air treatment chamber.

Abstract: A surface cleaning apparatus comprises an air treatment member having an air treatment chamber. A moveable member is positioned in the air treatment chamber. A driving assembly is drivingly connected to the moveable member wherein the driving assembly is reconfigurable between a stored position and an operable position in which the driving assembly is operable to longitudinally translate the moveable member through at least a portion of the chamber.

Abstract: A surface cleaning apparatus comprises a cyclone with an external dirt collection chamber and a vertically extending member is provided in the dirt collection chamber.

Abstract: A robot cleaner is provided. The robot cleaner includes a main body, a suction motor provided in the main body to generate a suction force, and a dust collector removably coupled to the main body to collect dust contained in air suctioned by the suction motor. The dust collector includes a first chamber to which the air, which is suctioned into the main body by the suction motor, is introduced, the first chamber including a filter to filter out dust in the suctioned air, and a second chamber arranged side by side with the first chamber, the second chamber including a connection port to which air, which is filtered b the filter in the first chamber, is introduced, and a cyclone dust separator to separate dust from the introduced air.

Abstract: A robotic device comprising: an energy storage device; and a controller configured to determine whether a quantity of energy stored in the energy storage device is below a predetermined energy level, wherein: the robotic device is configured to perform a cleaning task if the determined quantity of energy is not below the predetermined energy level; if the determined quantity of energy is below the predetermined energy level: the controller is configured to estimate a likelihood of the robotic device being capable of locating a recharging base station; and in dependence on the estimated likelihood, the robotic device is configured to seek the recharging base station or perform the cleaning task.

Abstract: The invention pertains to a system consisting of a first floor treatment apparatus that is exclusively guided manually within an environment by a user and a second floor treatment apparatus that is exclusively operated automatically, wherein the second floor treatment apparatus is designed for orienting and localizing itself within an environment. The first floor treatment apparatus is designed for detecting a movement path of the first floor treatment apparatus during a movement of the first floor treatment apparatus that is manually guided by a user, as well as for transmitting information on the detected movement path to the second floor treatment apparatus by wireless communication. The second floor treatment apparatus is designed for receiving the information and for autonomously traveling along the movement path within the environment based on the received information.

Abstract: A handheld dust-removing device, including a main body to remove at least one particle of dust disposed on a surface of an air conditioning filter, and a handle at least partially disposed within at least a portion of the main body to allow a user to move the main body across the surface of an air conditioning filter to remove the at least one particle of dust.

Abstract: A method and apparatus for illuminating a broom or mop, the method includes providing a mount. The mount has a first adjustable rod clamp, the adjustable rod clamp having an opening sufficiently large to hold a broom or mop handle, the first adjustable rod clamp attached to a second rod clamp by an articulating joint. The articulating joint allowing at least rotation between the first rod clamp and the second rod clamp. The second rod clamp has an opening sufficiently large to hold a flashlight. The method further includes mounting the first adjustable rod clamp on a broom or mop and mounting a flashlight on the second rod clamp.

Abstract: A squeeze flat mop cleaning tool having an adjustable squeeze opening is provided. The squeeze flat mop cleaning tool comprises a mop bucket and a flat mop; the flat mop comprises a mop stick and a flat mop head, and a wiper is provided on the flat mop head; the mop bucket has an independent squeezing area and an independent cleaning area, and a squeeze device is mounted on the mop bucket; the squeeze device comprises a scraper plate and a support member, and a squeeze opening is formed between the scraper plate and the support member. The scraper plate is rotatably provided on the mop bucket, and the size of the squeeze opening can be changed by the rotation of the scraper plate.

Abstract: The rotor of the invention has two legs fastened to a rotary base, wherein the legs are provided with asymmetrically arranged boreholes facing upwards and boreholes facing downwards, wherein the boreholes facing upwards have the shape of an ellipse, while the boreholes facing downwards have a circular shape. The boreholes facing upwards and the boreholes facing downwards are formed, such that the jets from the boreholes facing upwards act vertically upwards and the jets from the boreholes facing downwards act vertically downwards, i.e., in a direction 90° with respect to the axis of the legs.

Abstract: A liquid distributor for a liquid-transfer system of a conveyor dishwasher has first, second and third connections. The liquid sprayed in at least one final-rinse zone of the conveyor dishwasher can be fed to the liquid distributor via the first connection, wherein some of the liquid fed to the liquid distributor can be discharged, via the second connection, to a line system which can be connected to the second connection, and wherein the rest of the liquid fed to the liquid distributor can be discharged, via the third connection, to at least one line system which can be connected to the third connection. The liquid distributor has an interchangeable aperture component, which defines the fraction of liquid which is fed to the liquid distributor via its first connection and is to be discharged, via the second connection, to the line system which can be connected to the second connection.

Abstract: The present disclosure provides a sliding structure, a basket and a dish washer. The sliding structure is configured to enable the basket to move. The sliding structure has a connecting member connected to the basket. The sliding structure also has at least one support member connected to the connecting member. The support member has an engaging groove and an accommodating groove spaced from the engaging groove. One end of the connecting member is engaged in the engaging groove. The sliding structure further has a guiding rail connected to the support member and received in the accommodating groove.

Abstract: A drying rack for collecting water from one or more pieces of dishware includes a frame and a support shelf removably positioned on the frame. The support shelf is configured for supporting the one or more pieces of dishware. The drying rack also includes a drip tray removably supported by the frame below the support shelf. The drip tray includes a guide surface and defines a drain opening, wherein the guide surface is angled toward the drain opening to guide water toward the drain opening. The drying rack also includes a drip pan bracket supported by the frame. The drip pan bracket includes a pair of pan rails configured to removably receive and position a drip pan below the drain opening to collect the water guided by the guide surface through the drain opening.

Abstract: The present disclosure is directed to an apparatus, system and method for efficiently and rapidly cleaning the bottom of a shoe. The system includes a base having a plurality of alternating, complementary shaped cleansing portions separated by grooves. The configuration of the cleansing portions provides for a sturdy and efficient device for cleaning the bottom of a shoe.

Abstract: A processing device includes: a processor including hardware, the processor being configured to acquire image data; determine, for each pixel of an image corresponding to the acquired image data, whether a pixel value of the pixel is equal to or less than a preset threshold as a dark level; accumulate, for a predetermined number of frames, the pixel value that has been determined to be equal to or less than the preset threshold and positional information regarding a position of the pixel whose pixel value has been determined to be equal to or less than the preset threshold, on the image sensor; calculate a statistical value of the accumulated pixel values for each pixel; determine, for each pixel, whether the statistical value falls outside a preset range; and correct a pixel value of the pixel whose statistical value has been determined to fall outside the preset range.

Abstract: Systems and methods for supporting image-guided procedures include an elongate device including a steerable distal end and a shape sensor located along a length of the elongate device and one or more processors coupled to the elongate device. While the elongate device is being traversed through one or more passageways of a patient, the one or more processors are configured to detect a data collection event, and capture, in response to detecting the data collection event, a plurality of points along the length of the elongate device using the shape sensor. In some embodiments, an insertion depth of the elongate device is monitored. In some embodiments, the data collection event is detected when the insertion depth is beyond a threshold insertion depth, no change of the insertion depth is detected for longer than a threshold period of time, or the insertion depth is beyond a threshold retraction distance.

Abstract: An endoscope (1) having a handle with a handle housing (2) and an insertion tube (3) extending from said handle (2) and terminating in a tip part (4) at the distal end of the endoscope (1). A working channel and having a distal end and a proximal end extends within the insertion tube (3). The endoscope further comprises motion transfer means (53, 54) extending within said working channel and adapted to operate a tool (55) at the exit port of the tip part (4) in response to the activation of an operating member (22). The working channel comprises a generally tubular working channel wall. The distal working channel end comprises an exit port at the tip part (4) at the distal end of the endoscope (1). The proximal working channel end comprises an end sealing means accommodated within the handle housing (2). An entry port is provided between the distal working channel end and the proximal working channel end.

Abstract: An endoscope includes an insertion portion, a ball, a controller, a wire, one end of which is connected to a bending portion and the other end of which is connected to a rotating body, and a groove formed so as to wind up, around the rotating body along with rotation, an intermediate portion of the wire corresponding to a direction of the wire in which the rotating body rotates.

Abstract: There are provided an endoscope, an endoscope system, a method of determining the leakage of an endoscope, and a non-transitory computer readable recording medium storing a leakage determination program for an endoscope that can detect the occurrence of leakage with high accuracy. An endoscope includes an enclosed space, a pressure sensor that detects pressure inside the enclosed space, and a storage unit that stores reference pressure, which is detected by the pressure sensor at a first timing in a state where pressure is applied to the enclosed space with respect to the atmospheric pressure by a pump, in association with detection time information. The leakage of the enclosed space is determined on the basis of pressure that is detected by the pressure sensor at a second timing after the first timing, detection time information about the pressure, the reference pressure, and the detection time information.

Abstract: A system for controlling movement of a remotely controlled steerable instrument may comprise a flexible instrument comprising a steerable portion configured to articulate to change a shape of the steerable portion. The system may also comprise a shape sensing device comprising a first resistance-changing flexible sensor. The first resistance-changing flexible sensor may be configured to generate a signal indicative of a first bend change in the steerable portion. The system may also comprise a controller in signal communication with the first resistance-changing flexible sensor. The controller may be logically coupled to the flexible instrument and is configured to output a control signal to articulate the steerable portion of the flexible instrument in response to receiving at least the signal from the first resistance-changing flexible sensor.

Abstract: A handle for an endoscope has a handle housing, an operating member (7) accommodated in said handle, at least one pull wire (17) attached to said operating member (7), and at least one guide tube (16) surrounding and supporting said at least one pull wire (17). The guide tube (16) is fixed with respect to said handle housing at at least a first location. A direction guide (24) adapted for directing the free end of the pull wire (17) in a desired direction during assembly of the endoscope is provided at said first location.

Abstract: An optical system for a stereo video endoscope including: first and second lens system channels each having optical elements in identical configurations, the optical elements being arranged in a same position along first and second optical axes, respectively, an optical axis of first and second optical elements coincide with the first and second optical axes, respectively, first and second cross-sectional areas of the first and second optical elements are inscribed in first and second circumferential circles, respectively, centers of first and second circumferential circles each coincide with the first and second optical axes, respectively, to define a maximum radius of the first optical element and the second optical element, the first and second circumferential circles overlap one another, and circumferential shapes of the first and second optical elements deviate from the first and second circumferential circles circumscribing them such that the first and second optical elements do not contact.

Abstract: According to some embodiments of the invention there is provided a colon cleaning system comprising: a working channel, a vacuum source, a separate vacuum pipe provided alongside the working channel, and a sensor positioned at a conduit connected externally to the working channel, the sensor configured for providing an indication related to pressure within at least a segment of the working channel. In some embodiments, the system comprises a controller configured for controlling one or more parameters of a vacuum induced in the separate vacuum pipe, the parameter determined according to the pressure related indication provided by the sensor.

Abstract: A medical capsule is equipped with a sensor device having light emitting and light receiving elements. The sensor device can detect blood on the basis of light absorption properties of the blood. The capsule has a casing forming a recess or gap at its outer surface. The recess has a pre-selected width which represents a fixed measuring track between the light emitting and light receiving elements being arranged at opposing sides of the recess or gap when seen in its width direction. The medical capsule also has a shielding plate/layer/membrane arranged at least at or near the bottom of the recess or gap and extending along the width direction of the recess or gap preferably to exceed the recess at both sides into its width direction to prohibit emitted light from bypassing the recess via the casing material of the capsule.

Abstract: An endoscope apparatus includes a processor. The processor performs controlling a focus position of an objective optical system, acquiring images sequentially captured by an image sensor, and combining the images in N frames thus captured into a depth of field extended image in one frame. The processor controls the focus position such that focus positions at timings when the respective images in N frames are captured differ from each other. The processor combines the images in N frames that have been controlled to receive a constant quantity of light emission of illumination light or the images in N frames that have undergone a correction process to make image brightness constant, into the depth of field extended image.