72results about How to "Improve wearing experience" patented technology

The utility model discloses an ankle joint fixator capable of massaging, which comprises a sole supporting part and a leg supporting part, and belongs to the technical field of medical auxiliary treatment equipment. According to the utility model, the massage device is arranged on the leg supporting part, so that the legs of a patient can be heated and massaged, and blood circulation is promoted; a plurality of air holes are formed in the leg supporting part, so that air circulation can be increased, and local ventilation and dryness are kept; the foot sole supporting part and the leg supporting part are movably connected, the angle between the foot sole supporting part and the leg supporting part can be controlled by adjusting the length of the telescopic rod during wearing, and a patient is better helped to play a fixing and supporting role.

The utility model discloses an elastic nylon fabric which comprises a fabric layer, the fabric layer is formed by interweaving warp yarns and weft yarns in a plain weave mode, the warp yarns are of a ZS double wrap yarn structure formed by wrapping spandex with low-denier nylon, the twisting mode is that Z twisting and S twisting are conducted at the same time, and the twisting degree ranges from 1800 twists to 2000 twists. According to the elastic nylon fabric, a ZS double-wrapping structure is adopted in the warp direction of the elastic nylon fabric, the overall tension of wrapping yarn is ensured, and the elasticity and stability of the fabric are improved. Meanwhile, by adjusting the density in the warp direction and the weft direction, the fabric not only has an excellent cool feeling effect, but also has good anti-ultraviolet performance, and the air permeability is optimized.

The invention relates to a high-strength intelligent wearable device which comprises a bracelet host with an embedded display part, bracelet belts are arranged on the two sides of the bracelet host, a fixing plate is arranged on one side of the bracelet host, a protective cover is buckled on the other side of the bracelet host, a connecting column embedded in the fixing plate is arranged at one end of the protective cover, and the connecting column is connected with the bracelet host. A mounting opening corresponding to the display part is formed in the top wall of the protective cover, a circle of notch is formed in the edge of the top of the mounting opening in a surrounding mode, a metal frame is arranged in the notch, a rotating shaft embedded into the side wall of the notch is arranged at one end of the metal frame, and a magnifying lens is arranged in the opening of the metal frame; a buffering cavity is formed in the bottom wall of the protective cover, communicating openings communicating with the outer side of the protective cover are formed in the two ends of the buffering cavity, a circle of auxiliary belt is arranged below the protective cover, the auxiliary belt sequentially penetrates through the two communicating openings and an inner opening of the buffering cavity, and the auxiliary belt is formed by splicing a warm keeping belt and a sweat absorbing belt. The device is simple in structure and convenient to use.

This application relates to the field of exoskeleton technology, disclosing a leg support structure and an exoskeleton device. The leg support structure includes a first leg support and a second leg support forming a ring structure. The first leg support includes a support frame and a flexible binding member. The flexible binding member is disposed on the inner side of the support frame facing the second leg support and is used to contact the user's leg. One end of the flexible binding member is fixed relative to the support frame, and the other end of the flexible binding member is adjustablely fixed to the support frame via an adjustment component. The adjustment component is also connected between the first and second leg supports to adjust the circumferential dimension of the ring structure. The distance between the other end of the flexible binding member and the side of the second leg support connected to the adjustment component, and the change in the circumferential dimension of the ring structure achieved by the adjustment component, are positively correlated. This leg support structure can simultaneously achieve its own size adjustment and the fit adjustment of the flexible binding member, thereby improving the user's wearing experience.

This utility model provides a temple connection structure and eyeglasses, relating to the field of eyeglasses. It solves the problem that fixing the temples to the frame with screws is prone to loosening and wear, leading to a decrease in fixing force. The temple connection structure includes a receiving shaft, a plug-in shaft, and a rubber gasket. One of the temples and the frame has a single hinge plate fixed to it, while the other has a mating groove. The single hinge plate extends into the mating groove and has a first hole. The rubber gasket is located on one side or opposite sides of the single hinge plate, with a portion of the gasket extending into the first hole. The receiving shaft passes through the groove wall of the mating groove and the first hole. The plug-in shaft is inserted into the receiving shaft with an interference fit, thereby rotatably connecting the temples to the frame. The rubber gasket is clamped between the groove wall of the mating groove and the single hinge plate. The plug-in shaft, inserted into the receiving shaft with an interference fit, forms a solid whole, achieving a hinged connection between the temples and the frame. The rubber gasket provides smooth and uniform damping for opening and closing the temples.

This invention discloses a smart clothing design method based on multi-signal collaborative monitoring using flexible strain sensing yarn. The method includes a self-locking sewing technique integrating flexible sensing yarn into clothing, smart clothing design, and a sensor signal acquisition, transmission, and display system. This invention develops a self-locking sewing technique that efficiently transmits human movement through clothing fabric to flexible sensing yarn. A lining is sewn into the inner side of the garment to form a wiring channel, and an elastic band is embedded on the outer side, with an internal pocket. The flexible sensing yarn is sewn into the lining fabric at locations such as the elbows, abdomen, wrists, and chest using the aforementioned sewing technique. Flexible conductive yarn is threaded through the wiring channel to connect the flexible sensing yarn to the interface of a multi-channel signal collector in the pocket. The multi-channel signal collector simultaneously acquires and processes signals from multiple flexible sensing yarns and wirelessly transmits them to a smart terminal. This method realizes a smart clothing design that collaboratively monitors human movement and physiological data.

The application relates to a switching control method and system of a wireless earphone and the wireless earphone. The wireless earphone comprises an off-ear microphone, a transparent transmission module and an active noise reduction module. The switching control method comprises the following steps: acquiring an off-ear audio signal collected by the off-ear microphone; performing keyword recognition and / or speaker identity recognition on voice content in the off-ear audio signal; and based on the recognition result, enabling the wireless earphone to switch to turn on the transparent transmission module or the active noise reduction module. Through the switching control method, when a user wears an earphone with an active noise reduction function, the user can not miss useful information such as greetings from others and speeches associated with the user around the user, thereby improving the earphone wearing experience of the user.

This utility model belongs to the field of fabric technology, specifically relating to a multi-layered jacquard breathable and visible floating yarn woven fabric and shoe upper. It includes a fabric body comprising a breathable zone, a jacquard zone, and a support zone. The support zone is at a higher level than the jacquard zone, and the jacquard zone is at a higher level than the breathable zone. The fabric body is woven from a first yarn, a second yarn, and a third yarn. The first and second yarns are multifilament yarns, and the first and second yarns are different colors. In this utility model, by setting breathable zones on the fabric and forming a support structure in the breathable zones using interlaced multifilament yarns, the fabric achieves both good breathability and support, enhancing the wearing experience.

This utility model relates to the field of camera equipment technology, specifically a wearable smart camera. The camera includes a shoulder strap mechanism for supporting a camera body; a camera body mounted on the shoulder strap mechanism, comprising a base with a support plate on the base, and a camera body mounted at the end of the support plate away from the base, with microphones at both ends of the camera body; a diagonal sling mechanism connected to the shoulder strap mechanism, comprising a back strap and a chest strap, each connected to one end of the shoulder strap mechanism, and the back strap having two elastic bands; and an armpit strap mechanism connected to the diagonal sling mechanism and located at the end of the diagonal sling mechanism away from the shoulder strap mechanism, comprising an armpit strap body. This utility model has the advantages of simple structure, reasonable design, high wearing comfort, and easy quick and easy on / off, making it worthy of widespread promotion and application.

The utility model discloses a watch arm ring with a quick locking and unloading function, which comprises a mechanical arm and a mechanical part, the mechanical arm and the mechanical part are rotatably connected and are adjusted through a gear structure so as to debug the adaptability of the mechanical arm, the mechanical part and a wrist, one end of the mechanical arm (1) is provided with a rotating seat (7), and the mechanical part (5) is provided with a rotating shaft (8); the rotating shaft (8) of the mechanical part (5) is connected with the rotating seat (7) of the mechanical arm (1) through a fixing rod (4), and the mechanical part (5) rotates around the fixing rod (4). The wrist strap has the functions of being fast to disassemble and assemble and adjusting the wrist adaptation degree, a user can conveniently wear and clean the wrist strap, and the wearing experience is improved.

The utility model relates to female metal glasses with adjustable nose pads, which comprise a glasses frame, glasses legs and support blades, the support blades are arranged on the glasses frame through an adjusting assembly, the adjusting assembly comprises a connecting pile, an adjusting rod and a connecting seat, the connecting pile is fixedly connected to the glasses frame, and a sliding cavity penetrating through the connecting pile towards the end part is formed in the connecting pile; the adjusting rod is in an L shape, a cylindrical limiting block stretching into the sliding cavity is formed at the end of the transverse flat portion of the adjusting rod, a plurality of limiting teeth are formed on the circumferential face of the limiting block, a plurality of limiting grooves matched with the limiting teeth are formed in the inner wall of the bottom of the sliding cavity, and a limiting spring abutting against the limiting block is arranged in the sliding cavity. The limiting block slides towards the bottom of the sliding cavity under the action of the limiting spring so that the limiting teeth can be inserted into the limiting grooves, the connecting base is fixedly connected to the end of the vertical portion of the adjusting rod, and the support blade is connected to the connecting base. According to the female metal glasses with the adjustable nose pads, the distance between the two nose pads can be more conveniently adjusted to be matched with the nose bridges of different wearers, and the use is more convenient.

The utility model relates to the technical field of vision correction, and discloses a vision correction optical instrument. The vision correction optical instrument comprises a first mirror body and a second mirror body, one end of the first mirror body is rotationally connected with a rotating shaft, one side of the rotating shaft is rotationally connected with the second mirror body, one end of the first mirror body is rotationally connected with a first mirror frame, and one end of the second mirror body is rotationally connected with a second mirror frame. An elastic head band is fixedly connected between the first spectacle frame and the second spectacle frame, a soft plate is in close contact with the skin of a wearer, extrusion to the skin of the human body is reduced through the plasticity of the soft plate and close contact with the skin of the wearer, the wearing experience of the wearer is improved, meanwhile, the correction range can be changed by rotating and adjusting the sight glass, and the correction effect is improved. Different correction values are represented by adjusting the scales on the sight glass, and meanwhile, stimulation of strong light to eyes of a wearer is reduced by protecting the lenses, so that the wearing experience of the wearer is improved, and the correction effect is improved.

The utility model provides a mask with a knob adjusting structure. The mask comprises an outer shell, an inner shell and the knob adjusting structure. The inner shell is movably connected with the outer shell and can move on a preset path relative to the outer shell; the knob adjusting structure comprises an adjusting knob and an adjusting screw rod, the adjusting knob is arranged on the outer shell, the adjusting screw rod is rotationally arranged on the outer shell, the adjusting screw rod extends along a preset path and is in threaded fit with the inner shell, and the adjusting knob is in driving connection with the inner shell through the adjusting screw rod. According to the mask with the knob adjusting structure, the distance between the inner shell and the outer shell can be adjusted by adjusting the knob, then the distance between a soft part installed on the outer shell and a VR head-mounted display assembled on the inner shell can be adjusted, and the distance between an image display part of the VR head-mounted display and human eyes can be adjusted; the design of the adjusting screw rod can realize stepless adjustment, so that the inner shell can stop at any position, the wearing experience of a user is improved, the overall structure is simple, and the design is ingenious.

The utility model discloses a kind of pupil distance adjusting device and head-mounted display equipment, it is related to head-mounted display equipment technical field, and the pupil distance adjusting device in it includes support, two lens modules slidingly disposed on support, human eye detection module is arranged on two lens modules, first magnetic adjusting mechanism and second magnetic adjusting mechanism are arranged between support and two lens modules, and control unit is electrically connected with human eye detection module and second magnetic adjusting mechanism;First magnetic adjusting mechanism is used to drive two lens modules to move towards each other, second magnetic adjusting mechanism is used to drive two lens modules to move away from each other, human eye detection module is used to detect whether human eye is in the center of lens module and corresponding detection signal is transmitted to control unit, and control unit is used to control second magnetic adjusting mechanism action.The utility model not only can realize the adjustment of pupil distance, and strong stability, no noise, improve the wearing experience of user.

The invention discloses a glasses frame and intelligent glasses. The glasses frame comprises a nose bridge and two glasses frames, the two glasses frames are arranged in a spaced mode in the first direction and connected to the nose bridge, and at least parts of the glasses frames can slide in the first direction. According to the technical scheme, the interpupillary distance of the intelligent glasses can be adjusted so as to adapt to different facial forms and interpupillary distances of consumers, and the wearing experience of a user is improved.

The utility model provides a forming seamless face mask which comprises a mask body, the mask body comprises a mouth part, a protruding nose part and a protruding jaw part are arranged above and below the mouth part respectively, the two sides of the mouth part are connected with ear parts, ear holes are formed in the ear parts, the tail end of the right ear part is connected with a protective belt, and the tail end of the protective belt is connected with a connecting part. The tail end of the left ear part is connected with the fixing part; when wearing the mask, the protective belt surrounds the afterbrain of a user to connect the connecting part with the fixing part to fix the mask; the mask is composed of an outer layer, a skin-friendly layer and a middle layer. A Bluetooth component is hidden in the middle layer of the right ear part of the mask; according to the utility model, the Bluetooth assembly hidden in the middle layer, the Bluetooth mainboard and the microphone are arranged in the middle layer, the Bluetooth earphone passes through the middle layer to the earholes, and the hidden Bluetooth assembly is small in size, so that the wearing burden of a user is reduced, and the appearance of the mask is kept complete; the protective belt is arranged to be matched with the connecting part to fix the mask and prevent the mask from falling off accidentally.

This utility model relates to the field of denim fabric technology, and more particularly to a sporty triacetate denim fabric, which is woven from warp and weft yarns. The minimum weave cycle consists of six rows of warp yarns and six rows of weft yarns. The warp yarns include a first warp yarn and a second warp yarn, which are arranged alternately in a 1:1 ratio from left to right. The weft yarns include a first weft yarn and a second weft yarn, which are arranged alternately in a 1:1 ratio from top to bottom. The first warp yarns and the first weft yarns interweave to form the surface layer of the fabric, and the second warp yarns and the second weft yarns interweave to form the bottom layer of the fabric. The first warp yarn is plain yarn, the second warp yarn is slub yarn, the first weft yarn is cotton yarn, and the second weft yarn is triacetate yarn. By combining the natural softness of the cotton yarn in the surface layer with the delicate texture of the plain yarn, the natural breathability and antibacterial properties of the slub yarn in the bottom layer with the moisture-wicking and quick-drying properties of the triacetate yarn, the overall wearing comfort is improved, making it suitable for daily wear or outdoor activities.

The invention discloses a multi-station intelligent top fly pressing machine, and belongs to the technical field of garment processing equipment. The device mainly comprises a rack, a suspension assembly is located above the central axis of the rack and is fixedly provided with a slip ring device, the slip ring device is rotationally connected to the center of the rack, the slip ring device comprises a rotating frame, and three station supports are integrally formed on the side wall of the rotating frame; a clothes placing device used for placing clothes is installed on the top faces of the ends of the three station supports through lifting devices, the clothes placing device is rotationally connected to the top face of the rack through a sliding ring device, and a pressing device used for ironing the clothes is installed on the bottom face of the hanging assembly; a cooling device used for cooling clothes is fixedly installed at the end of the hanging assembly, the tensioned clothes are ironed through the pressing device, the clothes are made to reach the needed shape preliminarily, a water cooling system of the cooling device is used for rapidly cooling the ironed clothes, clothes fibers are rapidly fixed to the ironed shape, and accurate shaping is achieved.

The utility model relates to the technical field of diving material sheets, in particular to a high-buffering composite diving material sheet. According to the technical scheme, the composite material comprises a bonding layer, a lower diving material sheet and an upper diving material sheet, a plurality of buffering grooves are evenly formed in the upper surface of the lower diving material sheet and the lower surface of the upper diving material sheet, and communicating grooves are formed in the positions, between every two adjacent buffering grooves, of the upper surface of the lower diving material sheet and the lower surface of the upper diving material sheet. Every two adjacent buffering grooves are communicated through a communicating groove, and the lower surface of the lower diving material sheet and the lower surface of the upper diving material sheet are fixedly connected through a bonding layer. According to the diving material, the buffering performance of the diving material sheet can be improved, and a better protection effect is provided for a diver.

This utility model discloses a comfortable medical protective mask, including a mask body, a mask surface, and ear loops. The mask body includes a mask surface and two plastic frames symmetrically arranged on both sides of the mask surface. A face support strip, fixedly connected to the mask surface, is arranged parallel to the inner side of both plastic frames. An ear loop is provided on one side of each plastic frame via a mating protrusion, and an adjustment block is installed on the ear loop. A first strap and a second strap are respectively provided at the top of the two ear loops. A buckle is provided at the top of the first strap, and a fixing strip matching the buckle is provided at the top of the second strap. This utility model, by symmetrically arranging two plastic frames on both sides of the mask surface and providing a face support strip fixedly connected to the mask surface parallel to their inner sides, creates a three-dimensional space inside the mask surface when unfolded, providing a more comfortable breathing experience when worn.

The invention discloses an in-shoe heating control method, which comprises the following steps: transmitting electric energy to a signal receiving end in response to the signal receiving end detected in a preset range; preset type information is collected, and a heating signal is generated according to the preset type information; sending the heating signal to a signal receiving end to drive the signal receiving end to execute a corresponding heating process according to the heating signal; judging whether the temperature in the shoe after the heating process reaches a preset temperature threshold value or not; and if yes, driving the signal receiving end to stop executing the heating process. The short-distance wireless connection with the signal receiving end is established, the electric energy and the heating signal are transmitted to the signal receiving end in a non-contact mode, and heating is stopped when the preset temperature threshold value is automatically judged, so that a traditional power supply mode of a surface-mounted battery is replaced, and the power supply efficiency is improved. The technical problems of low power supply efficiency, high battery loss rate and poor comfort are solved, and the technical effects of continuous and stable power supply, intelligence and good wearing experience are achieved.

The application relates to the technical field of exoskeletons, and discloses a waist wearing device and an exoskeleton device. The waist wearing device comprises a support, the support comprising a back rod and two waist rods, one end of each waist rod being in sliding connection with one end of the back rod to be telescopic relative to the back rod, and the two waist rods and the back rod cooperating to form a half-enclosing structure; a support body assembly, the support body assembly being installed on the inner side of the support, the support body assembly comprising two telescopic support bodies, each telescopic support body being installed on a waist rod to be driven by the waist rod; a flexible contact assembly, the flexible contact assembly being installed on the inner side of the support body assembly to be attached to the waist of a human body; and the flexible contact assembly comprising two contact pieces, part of each contact piece being fixed to a telescopic support body. The waist wearing device can simplify the adjusting steps and improve the wearing experience by optimizing the structure thereof.

The utility model discloses a kind of anti-skid stable type glasses frame of temple structure, including mirror frame main body, the front side of mirror frame main body is close to both sides Place is movably installed with extension frame, the inner cavity of extension frame is movably connected with temple, the outer periphery of temple is provided with anti-skid component, and adjusting component is provided between extension frame and adjacent temple. The utility model has the following advantages and effects: the present scheme utilizes new mechanical structure, when the length of temple needs to be adjusted, by adjusting component, pressing limit block to the other side, limit block can be retracted into the inner cavity of dovetail groove. Then, pull temple to adjust its length, to adapt to the needs of different users, expand the use range of device, improve the wearing experience of user, by setting anti-skid sleeve, the hard contact of temple and user's skin can be avoided, to improve the use experience of user, and simultaneously, a plurality of bosses are set on anti-skid sleeve, to prevent temple from falling off during use.

This utility model relates to the field of cardiovascular monitoring technology and discloses a wearable cardiovascular monitoring device, including a monitoring device and a wearing ring, with the monitoring device fixedly mounted on the wearing ring. It includes a positioning component, a fixing component, and a buffer component. The positioning component is fixedly mounted on the wearing ring, the fixing component is located at the end of the wearing ring, and the buffer component is located inside the wearing ring. This utility model proposes that by setting up a positioning component, utilizing the engagement of a magnetic block and a second magnetic block, and the sliding engagement of a second engagement groove and a second engagement protrusion, the two ends of the wearing ring can be accurately positioned, ensuring stable wear of the monitoring device. In the fixing component, a fixing head is fitted with a spring and engages with the positioning hole, facilitating adjustment of the wearing ring's fixation. The buffer ring and buffer protrusion within the buffer component are located inside the wearing ring, effectively relieving pressure between the wrist and the device, solving the problem of wrist discomfort caused by prolonged wear due to the lack of a buffer component in existing technologies, and improving the user's wearing experience.

The utility model discloses a kind of flame-retardant environment-friendly EVA foamed shoe sole, including composite shoe sole structure;The utility model is sequentially provided with reinforcing lower bottom, heat-insulating middle bottom and elastic upper bottom by being set in shoe sole cavity from bottom to top, wherein reinforcing lower bottom has the characteristics of high strength, high temperature resistance, by reinforcing lower bottom prevents composite shoe sole structure from being easily burnt from bottom, pierced, heat-insulating middle bottom can effectively insulate heat conduction, protect foot from being easily burned, elastic upper bottom uses the same EVA foamed material with shoe sole main body, with good resilience, ensure wearing comfort, and flame-retardant layer is set in the bottom of shoe sole main body, to greatly improve the flame-retardant performance of the bottom of shoe sole main body, so that composite shoe sole structure can be quickly extinguished after leaving fire source, protect foot from being burned, can provide effective protection for user.

The invention provides a folding Bluetooth earphone and combined equipment, the folding Bluetooth earphone comprises an earphone support, an earphone body and a clamping assembly, the clamping assembly comprises two L-shaped clamping arms, namely a first clamping arm and a second clamping arm, one end of the first clamping arm is hinged to one end of the second clamping arm, and the other end of the first clamping arm is hinged to the other end of the second clamping arm; the earphone body is hinged to the end, away from the second clamping arm, of the first clamping arm, the earphone support is hinged to the end, away from the first clamping arm, of the second clamping arm, the clamping assembly has a storage state and a use state, and the first clamping arm and the second clamping arm are located on the same straight line in the storage state and jointly form a containing space; when the earphone is in use, the first clamping arm and the second clamping arm are not located on the same straight line, so that the earphone body is arranged at the ear of a human body, and the earphone is compact in structure and attractive in appearance when in the storage state, and can be suitable for the ears of different consumers when in the wearing mode.

This utility model relates to the field of assistive walking robot technology and discloses an intelligent assistive walking exoskeleton robot, including an adjustable waist wearing device, thighs, joints, and lower legs. The adjustable waist wearing device has two axially symmetrically distributed thighs at its bottom. The two thighs are rotatably connected to the side wall of the adjustable waist wearing device. The bottom of the thighs is provided with joints, and the bottom of the joints is provided with lower legs. The top of the lower legs is rotatably connected to the joints. This exoskeleton robot has a simple structure, is easy to adjust, and can greatly improve the wearing experience, improve wearing comfort, and improve the walking assistance effect.

The application discloses a kind of early warning intervention system and method based on multi-source physiological signal joint acquisition, belong to wearable medical electronics, brain-computer interface and neural regulation technical field.System contains first acquisition terminal and second intervention terminal, which are independent and wirelessly connected, double-terminal is without physical wire, and data is unidirectional transmission;Fusion recognition unit supports single physiological signal anomaly, two physiological signal simultaneous anomaly two kinds of determination logic and can trigger intervention.This system integrates disconnect protection, mode switching function, supports automatic intervention, external instruction triggering intervention two kinds of working modes, equipped with multi-stage anti-interference structure simultaneously, signal acquisition is stable, identification logic is comprehensive, and flexible to use.The whole architecture of the application is strong in universality, high in operation reliability, can be adapted to all-weather wearing for patients with epilepsy, has good clinical value and civilian popularization prospect.

The utility model relates to the technical field of glasses, and discloses a track type bayonet screw-free elastic glasses hinge structure, which comprises an end piece, a glasses leg and an end piece inner frame, the end piece and the glasses leg are made of titanium metal, the end piece inner frame is made of phosphor copper metal, and the end piece, the glasses leg and the end piece inner frame are in screw-free connection through a track structure. The bottom of the end piece and the bottom of the end piece inner frame are provided with notches corresponding in position, the necks of the glasses legs on the side faces of the glasses legs are vertically installed from the bottoms to complete connection, and the hidden track grooves with the radian in the top of the end piece inner frame and the convex grooves with the radian in the front ends of the glasses legs can be tightly combined to ensure that the glasses legs are stably opened and closed in the end piece. The top of each glasses leg is provided with a through forked position, so that the glasses legs have an opening and closing elastic function, can elastically expand outwards by 12 degrees in a 0-degree state, improve the wearing comfort and prevent falling off, the forked positions are tightly closed to form a small square to enhance the stability when swinging to 45 degrees, and the forked positions are opened to return to a state of being matched with a large square track in an end piece when swinging to 90 degrees to form a 90-degree elastic effect.