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92results about How to "Mitigate and obviate disadvantage" patented technology

Identifying a distributed denial of service (DDoS) attack within a network and defending against such an attack

The invention provides methods, apparatus and systems for detecting distributed denial of service (DDoS) attacks within the Internet by sampling packets at a point or points in Internet backbone connections to determine a packet metric parameter. The packet metric parameter which might comprise the volume of packets received is analysed over selected time intervals with respect to specified geographical locations in which the hosts transmitting the packets are located. The expected behaviour can be employed to identify traffic distortions revealing a DDoS attack. In a complementary aspect, the invention provides a method of authenticating packets at routers in order to elevate the QoS of authenticated packets. This method can be used to block or filter packets and can be used in conjunction with the DDoS attack detection system to defend against DDoS attacks within the Internet in a distributed manner.
Owner:IBM CORP

Foldable bicycle

A foldable bicycle includes a front fork, a head tube, a support tube, an adjusting member, two support levers, a rear fork, and a hydraulic cylinder. Thus, when the foldable bicycle is folded, the rear wheel is in parallel with the front wheel, so that the user can simultaneously draw the rear wheel and the front wheel to move easily and conveniently, thereby facilitating the user moving the folded bicycle. In addition, the foldable bicycle is folded easily and conveniently, thereby facilitating the user folding the bicycle.
Owner:CHANG WEN PIN

Gardening shears having two pruning effects

A pair of gardening shears include a blade assembly including two blades, and a handle assembly pivotally mounted on the blade assembly and including a first handle and a second handle. Thus, the gardening shears have two blades each having two cutting portions having different shapes to perform different cutting functions, so that the gardening shears provide two different pruning actions so as to satisfy the user's practical requirements, thereby enhancing the versatility of the gardening shears.
Owner:ZENG MIN ZHENG

Ratchet wrench operated conveniently

A ratchet wrench includes a handle, a drive head, a ratchet wheel, a pawl member, a control knob, a positioning plate, and an urging spring. Thus, the ratchet wrench includes a positioning plate to push the pawl member, thereby reducing the volume of the ratchet wrench efficiently. In addition, the urging spring is supported and guided by the guide shaft of the positioning plate, so that the positioning plate is not easily deformed, thereby facilitating movement of the urging spring in the positioning plate.
Owner:STANLEY CHIRO INT

Organic light emitting diode (oled) with contrast enhancement features

An organic electroluminescent device is provided having emitting layers with materials and thicknesses that provide constructive optical interference of emitted light. The device includes additional layers that provide contrast enhancement through destructive optical interference of ambient light entering the device.
Owner:LUXELL TECH

Pedal structure for a bicycle

A pedal structure for a bicycle includes a pedal body, and an elastic clamping device. The elastic clamping device is mounted on each of the two opposite sides of the pedal body and includes a front binding plate, a rear binding plate, a pivot shaft, at least one torsion spring, an urging plate, and an adjusting bolt. Thus, the cleat can be mounted on and detached from the pedal body easily and conveniently, and can be clamped on the pedal body rigidly and stably by the elastic clamping force of the front binding plate and the rear binding plate.
Owner:HSIAO CHIN HE +1

Dusting brush

A dusting brush includes a brush holder, a sliding sleeve slidably mounted on the brush holder, two symmetrical ornament shells mounted on the sliding sleeve to move therewith, and a plurality of bristles mounted on the brush holder. Thus, the dusting brush can be operated easily and conveniently, thereby facilitating the user operating the dusting brush. In addition, the bristles are fully hidden in the sliding sleeve when not in use, thereby enhancing the aesthetic quality of the dusting brush.
Owner:LIN CHIA HAO

Waste bin structure

A waste bin structure includes an inner barrel, an outer barrel, and a barrel lid. The lid cover includes an inner cover, an outer cover, and a locking portion. The inner cover is provided with a touch portion that may be pressed to pivot the inner cover upward independently. The outer barrel has a connecting portion defining a hanging recess, and the inner barrel is provided with a hanging hook portion secured in the hanging recess. The outer barrel is provided with a hood to form a handle portion of the outer barrel, so that the outer barrel is portable. The lid cover of the waste bin structure can be opened by a triggering action, and alternatively by a stepping action of a foot.
Owner:LIN TSONG YOW

Circular saw having saw arm angle adjusting device

A circular saw includes a base, a saw arm, and an angle adjusting device. The angle adjusting device includes a rod unit, a first gear unit, a second gear unit, and a positioning unit. The rod unit includes an outer rod, and an inner rod. The first gear unit includes a first drive gear and a first driven gear. The second gear unit includes a second drive gear and a second driven gear. The positioning unit includes a mounting tube, and a positioning bolt. Thus, the inclined angle of the saw arm can be adjusted by the angle adjusting device easily and conveniently, thereby facilitating the user operating the circular saw.
Owner:REXON

Suspension rack for screwdriver

A suspension rack includes a main board, at least one support seat detachably mounted on the main board and having a first plate formed with a plurality of limit slots and a second plate formed with a plurality of passages, and a plurality of screwdrivers each having a handle supported by the first plate, a reduced neck limited in a respective limit slot and a shank extended through a respective passage. Thus, the reduced neck of each of the screwdrivers is limited between the respective limit slot and the respective passage, so that each of the screwdrivers is limited by the support seat, thereby preventing each of the screwdrivers from being detached from the support seat freely so as to achieve a temporary anti-theft effect.
Owner:YIH CHENG FACTORY

Ratchet wrench operated conveniently

A ratchet wrench includes a handle, a drive head, a ratchet wheel, a pawl member, a control knob, a positioning plate, and an urging spring. Thus, the ratchet wrench includes a positioning plate to push the pawl member, thereby reducing the volume of the ratchet wrench efficiently. In addition, the urging spring is supported and guided by the guide shaft of the positioning plate, so that the positioning plate is not easily deformed, thereby facilitating movement of the urging spring in the positioning plate.
Owner:STANLEY CHIRO INT

Connection device for signal wire

A connection device for a signal wire includes at least one electrically conducting plate, at least one first holding member mounted on a first side of the electrically conducting plate, at least one second holding member mounted on a second side of the electrically conducting plate, and at least one locking member extended through the first holding member, the electrically conducting plate and the second holding member to clamp the electrically conducting plate between the first holding member and the second holding member. Thus, the first holding member and the second holding member are mounted on and removed from the signal wire by tightening or loosening the locking member, so that the connection device is attached to and detached from the signal wire easily and rapidly.
Owner:HUANG CHAO CHUN

Knife assembly having quick release blade magazine

A knife assembly includes a handle, a blade magazine detachably mounted in the handle, and a plurality of blades mounted in the blade magazine. Thus, the blade magazine is released from the handle easily and rapidly, thereby facilitating a user replacing the blades contained in the blade magazine. In addition, the blade magazine is mounted to the handle easily and conveniently, thereby facilitating the user mounting the blade magazine. Further, the blade magazine contains a plurality of blades, thereby facilitating the user carrying the blades.
Owner:CHEN YI YING +1

Sand-belt finishing machine having dust clearing function

A sand-belt finishing machine includes two opposite grinding devices arranged in parallel with each other and each including two opposite rollers and a sand belt reeved around the two rollers, and a dust clearing device mounted between the two grinding devices. Thus, the wooden board is placed on a single main frame and is processed by a single working procedure to synchronously obtain a double surface treatment, including the rough working treatment and the finishing treatment, thereby greatly simplifying the working process.
Owner:WANG WANG TIEN

Portable heat exchanging device

A heat exchanging device is detachably mounted on a container or a cover. The cover is mounted on the container, thereby forming a closed space between the cover and the container. The heat exchanging device containing a temperature regulating medium is mounted in the closed space between the cover and the container. Thus, the heat exchanging device can be replaced easily and conveniently when being inoperative without having to move the food, thereby facilitating the user using the heat exchanging device, and thereby achieving the sanitary purpose.
Owner:LIN AMOS

Ratchet wrench structure

A ratchet wrench structure includes a wrench body, a ratchet wheel, and a socket. The ratchet wheel has a center formed with a combination hole which has an inner periphery formed with a plurality of insertion ribs. Each of the insertion ribs of the ratchet wheel includes two first insertion faces located on the two opposite sides thereof, and a second insertion face located between the two first insertion faces. Thus, the ratchet wrench structure is available for sockets with sector-shaped and arcuate-shaped insertion recesses.
Owner:CHEN YU TANG
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