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84results about How to "Constant density" patented technology

Device dynamic total RF power compensation

A system and method may dynamically control the total RF power emissions of a mobile device. The method may include determining the local RF operating situation of the mobile device; setting a maximum power limit according to the local RF operating situation; and / or adjusting an active transmitted power of the mobile device within the maximum power limit. The local RF operating situation may be determined based upon (1) the measuring of a matching of the mobile device's radio antenna(s); (2) currently active application(s); (3) the number / type of active radios; (4) frequency or wavelength of transmissions; (5) network, relay, or node RF operating or exposure conditions; and / or (6) a power control process. The mobile device may be hand-held device, HomeNodeB, or other device capable of RF communications. The local RF operation situation and / or available headroom may be communicated to a network base station or node to facilitate enhanced mobile device performance.
Owner:BLACKBERRY LTD

Powder fine quantitative storage and transportation delivery device and method thereof

ActiveCN106829227ASynchronous change of mass flow rateRealize homogeneous spiral flow conveying technologyLarge containersBulk conveyorsEngineeringNegative feedback
The invention relates to a powder fine quantitative storage and transportation delivery device and a method thereof. The powder fine quantitative storage and transportation delivery device comprises a large storage powder hopper, a small powder hopper, a metering screw pump, a negative-pressure air-powder mixing tube, wherein the large storage powder hopper is provided with a box neck; a fine pattern screw is in threaded connection with a plug and the fine-thread screw and the plug are arranged inside of the large storage powder hopper; the upper end of the fine-thread screw is connected with a rotary drive device; the coarse-thread screw and the fine-thread screw are coaxially arranged, and the coarse-screw rod is positioned in the drive powder section; the large storage powder hopper outlet is connected with the inlet of the small powder hopper; a negative feedback degree measurement and control device is install on the upper end of the small powder hopper and measuring rods of the negative feedback degree measurement and control device extend into the small powder hopper; the outlet of the small powder hopper is connected with the inlet of metering screw pump and the outlet of the metering screw pump is connected to the middle necking of the negative-pressure air-powder mixing tube; the outlet of air-power mixing tube is connected with an air and powder mixed delivery pipe. The powder fine quantitative storage transportation delivery device guarantees the synchronous change of the powder volume flow and the mass flow through the screw plug pump and the equal volume movement principle.
Owner:凭祥市友福中医药科技有限公司

Process for improved adhesive application

The present invention relates to a method of applying molten hot melt adhesives, which comprise volatile material, at a constant adhesive mass flow rate. According to the method of the present invention the molten hot melt adhesive containing volatile material is applied under raised pressure. Specifically, the present invention is useful in the field of producing absorbent articles for personal hygiene.
Owner:THE PROCTER & GAMBNE CO
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