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Personal ip toll-free number
In an internet telephony system, toll-free service and the calls that are accepted and paid for can be specified by the IP telephony system user to be limited according to the calling party's identity, time of day, day of week or other criteria. Data that is used to screen or filter...

Dc capacitor-less power converters
Three resonance-based universal power converter topologies are disclosed. One includes a partially resonant parallel L-C link and incorporates intermediate cross-over switching circuits between the link stage and each of the input and output stages (which are constructed using unidirectional switches), thereby permitting the partially resonant circuit to be operated bi-directionally. A...

Input device with luminous patterns
The present invention discloses an input device with luminous patterns including an input interface and a backlight module. The backlight module includes a light source and a light guide plate. The input interface has a predetermined light shading rate and at least one pattern formed on the light guide plate. When...

Input device with luminous patterns
The present invention discloses an input device with luminous patterns including an input interface and a backlight module. The backlight module includes a light source and a light guide plate. The light guide plate has a predetermined shading rate and at least one pattern formed on the bottom surface of the...

Liquid transporting device, detecting apparatus and method thereof
A liquid transporting device using electrowetting on dielectric technique is provided. A sampling liquid is accurately transported on a substrate in a channel-free manner. The sampling liquid is spun off the substrate by a centrifugal force after the sampling liquid has been detected. The liquid transporting device can be applied to...

Remote keyless entry relay module and system
A system and in-vehicle communication module for relaying a remote keyless entry command from a cellular network to a vehicle keyless entry receiver. The module include a cellular network receiver configured to receive a remote keyless entry command from a cellular network; and a keyless entry transmitter located in the vehicle...

Integrated pneumatic spray device
An integrated pneumatic spray gun includes a gun body and a paint tank installed on the gun body. A feeding port of the paint tank is communicated with a chute in the gun body. The gun body is further provided with an integrated electric air pump. An air opening of the...

Compact case built-in with hinge unit and method of manufacturing compact case built-in with hinge unit
[Solving Means] A compact case with a lid body connected, in an openable and closable manner, via a hinge using at least one or more hinge unit , to a back end of a flat box shaped container body , the compact case includes a frame body of...

Cyclic radio frequency stimulation
Production of heavy oil and bitumen from a reservoir is enhanced by cyclic radio frequency (RF) radiation of the well. The invention utilizes RF radiation to introduce energy to the hydrocarbon reservoir in cycles in order to heat the reservoir directly, yet conserves energy over the prior art processes that more...

Geothermal heating and cooling ventilation system
A system designed to introduce fresh air ventilation into the living space, eliminate contaminants, and add fresh air to augment a building's HVAC system. This is done in order to save energy, and the costs associated with heat loss in a building. The system employs the use of geothermal energy conferred...

Solar battery cell, solar battery module and method of making solar battery module
A solar battery cell and related methodology are provided which enable a TAB wire to be accurately connected to an intended position, thus allowing a possible increase in manufacturing costs to be suppressed. The solar battery cell can include a substrate, a plurality of finger electrodes formed on a light receiving...

Cigar shaped smoking device
A cigar shaped pipe, ideally made from premium materials such as briar, yet designed to be low cost to manufacture. The device uses a comparatively thin-walled combustion chamber, which both keeps material costs to a minimum, and also enables a comparatively simple and easy to manufacture design. In a preferred embodiment,...

Active eco pedal apparatus
An active eco pedal apparatus with an the actuator which includes a VCM having a pair of first and second coils through which a current flows in opposite directions, and a pair of first and second magnets interacting with the electric field generated by the pair of the first and second...

Charge equalization apparatus and method
The present invention relates, in general, to a battery voltage equalization apparatus and method, and, more particularly, to a charge equalization apparatus and method, which decrease the withstand voltages of semiconductor switching elements while maintaining charge equalization performance, thus making it easy to implement the secondary windings of transformers while reducing...

Surface roughening agent for aluminum, and surface roughening method using said surface roughening agent
Provided are a surface roughening agent for aluminum and a surface roughening method using said surface roughening agent wherein it is possible to easily reduce costs for the surface roughening step and to improve the adhesiveness between aluminum and a resin. Specifically, provided is a surface roughening agent for aluminum comprising...

Methods for manufacturing implants having integration surfaces
A method of producing an interbody spinal implant. The method includes the steps of obtaining a blank having a top surface, bottom surface, opposing lateral sides, and opposing anterior and posterior portions, and applying a subtractive process (e.g., masked acid etching) to the top surface, the bottom surface, or both surfaces...

Double clutch for vehicle compressor
The present invention relates to a double clutch for a vehicle compressor for driving a compressor using the power of an engine when a vehicle is being driven, and using the power of a motor when the vehicle is stopped. More specifically, the double clutch for a vehicle compressor, comprises: a...

Enhanced hydrocarbon recovery through gas production control for noncondensable solvents or gases in sagd or es-sagd operations
Methods are provided for enhancing hydrocarbon recovery through gas production control for noncondensable gases in SAGD or ES-SAGD operations. Steam may be injected into one or more injection wells to heat the hydrocarbons and reduce their viscosity to more easily produce the hydrocarbons. A noncondensable gas may be injected into the...

Modular pre-fabricated island for vehicular refueling
A modular pre-cast concrete station (for gasoline, natural gas and/or other fuels) uses culverts that are assembled quickly and conveniently at the building site and, if desired, in the future, disassembled just as quickly and conveniently, thereby saving substantial costs, and thereby providing an entirely new (and potentially huge) market for...

Air mattress, air mattress manufacturing device and method
Disclosed are an air mattress and an air mattress manufacturing device and method, which can reduce manufacturing costs, enhance the rigidity of the bottom plate, and shorten and automate the manufacturing process. The air mattress of the present invention comprises: a cushion portion, which has multiple air sacs, and which is...

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