211results about How to "Minimize limitation" patented technology

Systems and methods for content delivery are disclosed. A content delivery system in accordance with one or more embodiments of the present invention comprises a plurality of content delivery networks, and at least one network selector, wherein the at least one network selector analyzes a content delivery request, determines which content delivery networks in the plurality of content delivery networks are suitable for fulfilling the content delivery request, and selects one of the suitable content delivery networks to fulfill the content delivery request.

A charging station expander (expander) for receiving electrical power from an existing charging station and distributing the electrical power received to at least one PEV is described. The expander increases usability of the existing charging station by permitting the existing charging station to be effectively coupled to two or more PEVs for charging according to methods described herein. The expander may comprise a female port, a switch relay, power distribution cables, a controller, and a housing. The housing may house the switch relay, the controller, portions of the female port, and portions of the power distribution cables. The female port removably couples with a male connector of the existing charging station. The power distribution cables removably couple with the two or more PEVs. The controller controls both an order of how the two or more PEVs may be charged and how a given PEV presently receiving charging may be charged.

In an MCM communication system in which one frame includes at least one pilot symbol of a predetermined length and at least one data symbol of the predetermined length, to transmit the pilot symbol for time synchronization and frequency synchronization, a first pilot sequence of a length shorter than the predetermined length is generated, and a second pilot sequence of a length shorter than the predetermined length is generated. Here, the second pilot sequence is different from the first pilot sequence. The first and second pilot sequences are repeated a predetermined number of times. The pilot symbol is generated by combining the repeated first and second pilot sequences, and then transmitted.

A method and device for detecting a line-of-sight of a subject and a three-dimensional view-point measurement device are provided. The method for detecting a line-of-sight uses a first camera 10, 11 that measure the position of a pupil relative to a coordinate system, a second camera 12 having a light source arranged at a known position in the coordinate system and forming a corneal reflection center to obtain data of a size of vector r from the corneal reflection center to the pupil center and an angle φ of the vector r relative to a coordinate axis of the coordinate system, and a calculation means for calculating a line-of-sight direction based on information from each of the cameras. In a stage of determining a relational formula, a subject is made to gaze at a known point to perform measurement and a relational formula is determined. In a stage of determining a line-of-sight, the subject is measured again to determine the line-of-sight using the relational formula. Further, a three-dimensional view-point measurement device can be configured so as to simultaneously measure the line-of-sights of both eyes with two cameras and two light sources.

Loss modulated silicon evanescent lasers are disclosed. A loss-modulated semiconductor laser device in accordance with one or more embodiments of the present invention comprises a semiconductor-on-insulator (SOI) structure resident on a first substrate, the SOI structure comprising a waveguide in a semiconductor layer of the SOI structure, and a semiconductor structure bonded to the semiconductor layer of the SOI structure, wherein at least one region in the semiconductor layer of the SOI structure controls a photon lifetime in the semiconductor laser device.

Photodetectors and integrated circuits including photodetectors are disclosed. A photodetector in accordance with the present invention comprises a silicon-on-insulator (SOI) structure resident on a first substrate, the SOI structure comprising a passive waveguide, and a III-V structure bonded to the SOI structure, the III-V structure comprising a quantum well region, a hybrid waveguide, coupled to the quantum well region and the SOI structure adjacent to the passive waveguide, and a mesa, coupled to the quantum well region, wherein when light passes through the hybrid waveguide, the quantum well region detects the light and generates current based on the light detected.

Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises scrambling a first frame using a first scrambling code, attaching a first header to the first frame to create the first signal, scrambling a second frame using a second scrambling code, attaching a second header to the second frame to create the second signal, and transmitting the first signal and the second signal over different channels of the communication system.

Cantilever beam electrostatic actuators are disclosed. A cantilever beam electrostatic actuator in accordance with the present invention comprises an actuator beam having a first width at a support anchor point and a second width at a distal end of the actuator, wherein the first width is narrower than the second width. Another actuator in accordance with the present invention comprises an actuator region, having a first width, a beam, having a second width, coupled between an edge of the actuator region and a pivot point, the beam being approximately centered on the actuator region, wherein the second width is narrower than the first width, and at least one auxiliary actuator flap, coupled to the actuator region, the at least one auxiliary actuator flap coupled to the actuator region along the edge of the actuator region, the at least one auxiliary actuator flap being farther away from a centerline of the actuator than the beam.

Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises scrambling a first header of the first signal using a first scrambling code, scrambling a second header of the second signal using a second scrambling code, and transmitting the first signal and the second signal with the scrambled first header and the scrambled second header over different channels of the communication system.

An in-vehicle display for audio-video distribution. The in-vehicle display may comprise a mounting arrangement and an entertainment system, wherein the entertainment system may further comprise: a housing, at least one display screen, a communication tool, and one or more connection modules. The mounting arrangement is generally configured to mount the entertainment system to a roof or headrest of a vehicle. The communication tool may be electrically connected to the display screen and may be configured to communicate with an external electronic device of a user via the connection modules, such that the communication tool links the display screen with the external electronic device in order to establish an interaction between the display screen and the external electronic device. Thus, user may be able to operate and control a digital content on the display screen through the external electronic device.

The present invention discloses and describes 3D printers that print 3D objects with acceptable precision and accuracy. Such 3D printers may comprise one or more of: an extrusion core with particularized temperature controls; an extrusion core with particularized filament pathway geometry; an extrusion core with a nozzle that is integral with a heating block; an extrusion core with nozzles of variable orifice-openings; a filament feeding system using smooth-faced-rollers; a build plate with an adhesion-layer for wetting between the extrudate and the adhesion-layer; an alignment-plane for anchoring axis positioning systems to a common plane to minimize tolerance stacking problems; and a single z-axis guide, a mono-rail, for guiding movement of a build plate in the z-axis direction; which may permit use of minimal mechanical fit tolerances between the mono-rail and a complimentary receiving sleeve.

Multiple systems for delivering satellite signals are described. An embodiment in accordance with the present invention comprises a receive antenna, including at least one low noise block amplifier (LNB), and a module, coupled to and proximate the receive antenna, the module comprising a multiswitch, coupled to the LNB, for directing the satellite signals received by the LNB to a plurality of outputs of the multiswitch, a plurality of tuners, respectively coupled to the outputs of the multiswitch, for tuning to a plurality of specific portions of the satellite signals in a respective fashion, the specific portions of the satellite signals selected based on commands received from a plurality of receivers, and an interface for delivering the specific portions of the satellite signals to the plurality of receivers, wherein the specific portions of the satellite signals are combined into a single combined signal and delivered to the plurality of receivers on a single output of the interface.

Composition of matter for the production of simulated stone, masonry, and brick textured products. Exemplary embodiments of panels, wall structures, and other products may have contoured and textured surfaces and may simulate the appearances of conventional building or construction materials including, but not limited to, stone, bricks, masonry, concrete, stucco, wood, or other conventional building materials, and combinations of any of these materials are disclosed. The disclosed invention is not limited to products in the building or construction industries and may be applied in the manufacture of a wide variety of products in other industries.

Package-receiving-lockers (PRLs) may have a collapsible-locker portion and door-attachment-structure. PRLs may exist in a substantially collapsed configuration for storing the given PRL or for otherwise minimizing a footprint of the given PRL; and these PRLs may exist in a substantially deployed (expanded) configuration for acting as a secure object storage location. Regardless of configuration (deployed or collapsed), PRLs may be removably attached to side-hinged-doors with the door-attachment-structure, in such a way so as not to impair operation of the given door. The PRLs may have various electronics for facilitating access (e.g., locking and unlocking the collapsible-locker), delivery confirmation, and mitigating theft. These electronics, along with specialized software, may allow an intended recipient (e.g., a buyer), a shipper / delivery person (or shipping / deliver robot), and / or a seller / vendor to access the PRL in a controlled and documented manner. At least some of these electronics may be in wireless communications with other electronic devices.

Provided is a medical X-ray CT imaging apparatus including: a base (22); a support part (30) including a support arm part (30) that supports an X-ray source (36) and an X-ray detector (37) so as to be opposed to each other, and a rotation support part that supports the support arm part (32) in a rotatable manner with respect to the base (22); and a rotary drive part that rotatively drives the support part (30). At least one of the base (22) and the rotary support part (40) includes a cavity (48) forming a space around a rotation axis (A). The cavity (48) is provided with a cylindrical body (60) disposed in a rotatable state with respect to the support part (30).

In a method of performing an anisotropic etch on a substrate in an inductively coupled plasma etch chamber, at least three cycles of a procedure consisting essentially of the four following steps are performed:a. depositing a protective polymer on a patterned substrate;b. performing a first low pressure etch to partially remove the deposited protective polymer at a pressure less than 40 mTorr;c. performing a high pressure etch at a pressure between between 40 mT and 1000 mT to form a portion of a trench in the substrate; andd. performing a second low pressure etch at a pressure less than 40 MTorr to reduce surface roughness.This method permits the fabrication of deep trenches with reduced surface roughness.

PWM methods and apparatus are provided for loss minimized control of AC motors taking into consideration inverter non-linear limitations. The method comprises providing a voltage to the AC motor based on a switching cycle, adding a duty cycle of a zero vector to each phase leg of the switching cycle when a duty cycle of a first phase leg of the switching cycle is less than a minimum duty cycle, and subtracting the duty cycle of the zero vector from each phase leg of the switching cycle when a second duty cycle of a second phase leg is greater than a maximum duty cycle. The minimum duty cycle and maximum duty cycle indicate distortion regions.

Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises shifting a characteristic of the first signal with respect to a like characteristic of the second signal to mitigate co-channel interference, and transmitting the first signal and the second signal over different channels of the communication system.

A trimmer head for cutting vegetation is adaptable to operate in blade trimming mode and in monofilament trimming mode, and requires minimal time and effort to change between the two modes. The device comprises a bottom plate and a top plate. The top and bottom plate are urged together, thereby locking the blades in place. When the top and bottom plate are separated and rotated relative to one another, a blade may be inserted or removed from the blade posts by a gap formed between the top of the blade post and the top plate. The top plate includes a surface having a plurality of trimmer blade posts adaptable to pivotally mount at least one trimmer blade. The top plate further comprises a plurality of monofilament holes for receiving a monofilament line therethrough.

The invention involves a childproof box that suitable for medicinal items such as tablets, medication or other consumables that may be desirably restricted from children. The childproof mechanism that restricts access to the contents of the box may employ a base shell that slides in and out of a cover shell, which respectively conceals and exposes a storage cavity. Both shells have corresponding tracks and corresponding protrusions configured to engage with each other in a manner so that the base shell may only be accessed (or slid open) when a user presses and pushes on a top surface of the cover shell. The structural elements of each of the shells are such that a user may operate the childproof box with a single hand. In exemplary embodiments, the childproof box comprises of flat surfaces that form a generally rectangular box, which is easy to carry, manipulate and store.

To provide a small-size engine having a forced air cooling system, wherein the amount of protrusion of the air intake system outwardly from the engine body can be minimized and the limitation on the space required for installation of the engine to the various work units can be alleviated, the engine includes a cooling fan (9) mounted on one end of a crankshaft (4) and has a longitudinal axis (S) of a cylinder block (5) inclined relative to a horizontal direction and also to a vertical direction. A fan housing (17) for guiding a cooling air (W) from the cooling fan (9) towards a cylinder block (5) and a cylinder head (6) is formed with a cutout (22) through which a float chamber (23) of a carburetor (15) is positioned inside the fan housing (17).

Composition of matter for the production of simulated stone, masonry, and brick textured products. Exemplary embodiments of panels, wall structures, and other products may have contoured and textured surfaces and may simulate the appearances of conventional building or construction materials including, but not limited to, stone, bricks, masonry, concrete, stucco, wood, or other conventional building materials, and combinations of any of these materials are disclosed. The disclosed invention is not limited to products in the building or construction industries and may be applied in the manufacture of a wide variety of products in other industries.

Methods and apparatuses for determining scrambling codes for minimizing co-channel interference in a communication system. A method in accordance with the present invention comprises defining at least one initial default sequence, generating a scrambling code, scrambling a signal using the generated scrambling code, comparing the scrambled signal with all other scrambled signals meeting a specified criterion, and saving the scrambling code word if the comparison determines that the signal scrambled with the scrambling code also meets the specified criterion. The scrambling codes can be compared with each other for cross-correlation purposes to determine whether they meet the specified criterion based on laboratory testing.

Decoding signals represented by a trellis of block length N divided into windows of length L includes a step of decoding a forward recursion from a point P1 that is before the beginning of a window up to the beginning of the window and decoding a backward recursion from a point P2 that is after the end of a window back to the end of the window to define known states at the beginning and end of the window. A next step includes decoding the window using backward recursion from the known state at the end of the window back to the beginning of the window to define a set of backward recursion state metrics. A next step includes decoding using forward recursion starting from a known state at the beginning of the window and moving forward to the end of the window to define a set of forward recursion state metrics. A next step includes calculating a soft output at each stage of the window using the forward and backward recursion state metrics, and branch metrics at each stage, and outputting the soft output for that stage.

A vehicle data gathering apparatus that implements a vehicle data gathering method includes: a bus use rate detection means connected to an in-vehicle network for detecting a bus use rate in the in-vehicle network; a selection setting means for selecting and setting a plurality of data request signals to be transmitted to at least one of a plurality of ECUs; a transmission interval setting means for setting a uniform transmission interval for each data request signal in a predetermined period on the basis of the number of the data request signals set by the selection setting means; and a request signal transmission means for transmitting each data request signal at the set uniform interval when it is determined that the bus use rate is lower than a first threshold value.

A process for forming a trench gate power MOS transistor includes forming an epitaxial layer having a first type of conductivity on a semiconductor substrate, and forming a body region having a second type of conductivity on the epitaxial layer. A gate trench is formed in the body region and in the epitaxial layer. The process further includes countersinking upper portions of the gate trench, and forming a gate dielectric layer on surfaces of the gate trench including the upper portions thereof. A gate conducting layer is formed on surfaces of the gate dielectric layer for defining a gate electrode. The gate conducting layer has a thickness that is insufficient for completely filling the gate trench so that a residual cavity remains therein. The residual cavity is filled with a filler layer. The gate conducting layer is removed from an upper surface of the body region while using the filler layer as a self-aligned mask. The edge surfaces of the gate conducting layer are oxidized. Source regions are formed by implanting dopants in the body region while using the oxidized edge surfaces as a self-aligned mask, and the implanted dopants are diffused in the body region.

Method and device for detecting a line-of-sight of a subject and a three-dimensional view-point measurement device. The method uses a first camera, that measures the position of a pupil relative to a coordinate system, a second camera having a light source arranged at a known position in the coordinate system, and forming a corneal reflection center to obtain data of a size of vector r from the corneal reflection center to the pupil center and an angle φ of the vector r relative to a coordinate axis of the coordinate system, and a calculation means for calculating a line-of-sight direction based on information from each camera. In determining a relational formula, a subject is made to gaze at a known point to perform measurement and a relational formula is determined. In a line-of-sight determining stage, the subject is measured again using the relational formula. A three-dimensional view-point measurement device can be configured so as to simultaneously measure the lines-of-sights of both eyes with two cameras and two light sources.

Provided is a gimbal for 360-degree video and picture shooting including: a camera mounting unit having a body and a cavity formed in a center of the body, with a plurality of cameras being mounted on an outer peripheral surface of the body to take a 360-degree image or picture; a multi-axis driving unit provided in the cavity of the camera mounting unit and fixed to one side of the camera mounting unit to calibrate shaking of the camera mounting unit; and a support unit to which the other side of the multi-axis driving unit is fixed. Since the multi-axis driving unit is not exposed to the outside when the gimbal takes the 360-degree image and picture, it is possible to minimize the restriction of the area to be filmed when taking the surrounding image and picture.