120 results about "Free zone" patented technology

The present disclosure is directed to systems and methods for proactively enforcing a wireless free zone over an enterprise's airspace using Open Systems Interconnect (OSI) layer one, two, and three based techniques. The systems and methods prevent wireless communications over IEEE 802.11 (WiFi), IEEE 802.16 (WiMax), and IEEE 802.15.1 (Bluetooth) networks to enable an enterprise to enforce compliance to a no-wireless policy. Smart antennas and coverage planning are included to avoid disrupting a neighbor's wireless communications. Further, the disclosed systems and methods can be combined into existing Wireless Intrusion Prevention Systems (WIPS) or in a stand-alone sensor and server configuration to offer proactive no-wireless zones.

A catalyst system to provide emission reductions under lean and stoichiometric conditions. The catalyst system comprises a forward catalyst having a first cerium-free zone including oxides of aluminum, alkali metals and alkaline earth metals and precious metals and a second zone with a lower loading of precious metals, oxides of aluminum, alkali metals or alkaline earth metals. This forward catalyst stores NOx emissions under lean conditions for subsequent reduction and converts HC, CO and NOx during stoichiometric operation. The second downstream catalyst includes precious metals, reduces emissions under stoichiometric conditions, and stores any residual NOx emitted from the first catalyst for subsequent reduction. In another embodiment, a forward catalyst has top and bottom layers designed to reduce emissions under lean conditions. In this embodiment, a second downstream catalyst is used to reduce emissions under stoichiometric conditions. In yet another catalyst, multiple zones are created within a single catalyst.

A linear generator apparatus includes first and second elongate coaxial bodies that are axially movable relative to one another with a reciprocating movement. The first body is axially and freely movable relative to the second body within a predetermined displacement range or free zone. A helical spring connecting to both first and second bodies biases the first body toward the free zone relative to the second body when outside of the free zone. An electrical power generator mounted on both first and second bodies generates power when the first and second bodies axially move relative to one another within the free zone and beyond. The invention also relates to a suspension system for motor vehicle that includes a coil spring and the apparatus in replacement of a conventional shock absorber.

Landfill compactor vehicles having wheels equipped with wedge shaped cleats tend to accumulate about the vehicle's axle trash such as cable, wire, rope and the like debris requiring daily removal to permit unobstructed axle rotation. The wheel construction of this invention provides compaction cleats of two types, contour and traction, in rows positioned across the width of the wheel with substantially no cleat free zone adjacent the wheel edges but with a row of contour teeth arranged adjacent the wheel's inner edge thus affording trash exclusion properties to the compactor wheel.

The invention discloses a manufacturing method of a high-strength, high-modulus and low-shrinkage polyester industrial yarn. The manufacturing method comprises the processes of preparation of a highly viscous melt polyester raw material, metering, spinning, cooling, oil applying, drawing, heat shaping and winding formation; the cooling comprises slow cooling, precooling, cooling in an air free zone and air blast cooling in sequence; the precooling part uses a driven hollow-out successive annular strip. Through the introduction of a precooling device, irregularity caused by tow shaking due to move-down of a curing point of a fiber is reduced, the linear density deviation is controlled within a lower range, and orientation and crystallization of an as-spun fiber are reduced, so that the high-strength, high-modulus and low-shrinkage polyester industrial yarn is obtained; and the high-strength, high-modulus and low-shrinkage polyester industrial yarn has the advantages of high breaking tenacity, high initial modulus, low linear density deviation, low breaking elongation and lower dry-heat shrinkage rate and can be used for preferably satisfying requirements on application.

System and method for creating an information-free zone (“hole”) in the content displayed in the area of the display where the finger touches it. The content previously displayed in the hole is pushed to the sides around the hole and thereby remains visible. This avoids the occlusion of the content and allows the user to place the cursor on the display accurately.

The invention concerns a method (400) and system (100) for providing an adaptive disablement zone (126). The method can include the steps of establishing (412) at least one disablement zone, selectively disabling (420) any number of wireless communications devices (114) in the disablement zone, designating (424) at least one exempt zone (128) and when at least a portion of the exempt zone is located within the disablement zone, selectively exempting (430) the selective disabling of the wireless communications devices that are within the exempt zone. The method can further include the step of maintaining (414) the disablement zone in a fixed position or moving (414) the disablement zone. The method can also include the step of maintaining (426) the exempt zone in a fixed position or moving (426) the exempt zone.

A remotely-actuated residential water supply cut-off system is disclosed. A remotely-actuated cut-off valve interposed in a residential water line downstream of a pressure-reducing valve. An electronic actuator is mounted on the cut-off valve and is remotely actuated to drive a DC motor in a clockwise or counterclockwise direction to open or close the cut-off valve in response to a received signal. The electronic actuator includes a transceiver, a microcontroller and a motor. The microcontroller drives the motor to open or close the valve in response to a wireless signal received by the transceiver. A handheld transceiver unit sends a signal to the actuator to open or close the cut-off valve, or operate in automatic mode.

A DC-to-AC inverter includes an inverter housing, a power conversion module, and an interference insulating arrangement which includes a DC inlet and an insulating member. The inverter housing has a receiving compartment defining an interference zone within which electromagnetic interference occurs, and a free zone free of electromagnetic interference. The power conversion module includes a main PCB which has a DC-AC inversion circuitry implemented thereon to convert an input DC signal into an output AC signal. The DC inlet is electrically connected to the main PCB for connecting with a DC power source to draw of a DC current as the input DC signal to the main PCB, wherein the CD inlet is located at the free zone of the receiving compartment to insulate the DC inlet from being electromagnetically interfered during a DC to AC conversion at the power conversion module.

A linerless label roll includes a web wound along a running axis, and having a series of index marks spaced longitudinally apart. A series of adhesive patches runs along the web, with differently sized adhesive-free zones therebetween in register with the index marks.

A wafer working method is provided which is capable of feeding a wafer diced by a laser dicing apparatus to a subsequent step without breaking up the wafer. The wafer working method comprises: a first machining step of grinding a reverse side of a wafer W and then polishing the reverse side of the wafer thus ground to a thickness T2 which is larger than a finally worked wafer thickness T1; a modified region forming step of irradiating laser light to a region of the wafer thus subjected to the first machining which lies inwardly of a modification-free zone measuring 0.1 mm to 10 mm from a periphery of the wafer, to form a modified region inside the wafer; and a second machining step of grinding the reverse side of the wafer thus formed with the modified region and then polishing the reverse side of the wafer thus ground to the finally worked wafer thickness T1.

A seat reclining mechanism comprises a plurality of lock gear members. One of the plurality of lock gear members has a protrusion which protrudes toward an internal gear member. The internal gear member has a first free-zone arc portion formed along a circle having a center on a rotation axis and adapted to allow the protrusion to be in contact therewith when the lock gear members are located at a position where external teeth of each of lock gear members are not in meshing engagement with internal teeth of the internal gear, and a second free-zone arc portion formed along the circle to have an arc length different from that of the first free-zone arc portion and adapted to allow the protrusion to be in contact therewith when the lock gear members are located at the position.

A medication dosage unit packaging system includes a tray for holding a blister containing a plurality of unit chambers. The blister is divided into a general access zone containing at least one general access unit chamber and a restricted access zone containing at least one restricted access unit chamber. The general access zone and the restricted access zone are separated by a chamber-free zone. A retaining cap holds the blister package in the tray. The retaining cap and the tray have therebetween a guide post fitting into a guide slot in the chamber-free zone in the blister. The guide post and the guide slot are positioned in the tray such that when a blister package is held in the tray by the retaining cap, the blister is slidable between a first position in which only the general access zone of the blister is accessible, and a second position which both the general access zone and the limited access zone of the blister are accessible. A child-resistant hinging cap is hingeably mounted into the tray, such that when the hinging cap is in a closed position, it locks the blister package in its first position, and when the hinging cap is in an opened position, it allows the blister package to be slid into its second position.

PCT No. PCT/US97/18872 Sec. 371 Date Oct. 28, 1997 Sec. 102(e) Date Oct. 28, 1997 PCT Filed Oct. 28, 1996 PCT Pub. No. WO98/18976 PCT Pub. Date May 7, 1998A dual aging treatment of aluminum-copper-lithium-scandium alloys allows preparation of alloys exhibiting superior physical properties as compared to the same alloys subjected to only a single aging. In particular, the difference between yield strength and ultimate tensile strength is markedly increased. The alloys are characterized by an array of fine T1 phase precipitates within the aluminum grain, leaving a substantially T1 phase precipitate-free zone along the grain boundaries, and an array of coarse theta ' and delta ' phase precipitates throughout the grains with little or no theta ' and delta ' phase-free zones.

Semiconductor structures and devices including strained material layers having impurity-free zones, and methods for fabricating same. Certain regions of the strained material layers are kept free of impurities that can interdiffuse from adjacent portions of the semiconductor. When impurities are present in certain regions of the strained material layers, there is degradation in device performance. By employing semiconductor structures and devices (e.g., field effect transistors or “FETs”) that have the features described, or are fabricated in accordance with the steps described, device operation is enhanced.

The present invention is directed to a single crystal Czochralski-type silicon wafer, and a process for the preparation thereof, which has a non-uniform distribution of stabilized oxygen precipitate nucleation centers therein. Specifically, the peak concentration is located in the wafer bulk and a precipitate-free zone extends inward from a surface.

System and method for creating an information-free zone (“hole”) in the content displayed in the area of the display where the finger touches it. The content previously displayed in the hole is pushed to the sides around the hole and thereby remains visible. This avoids the occlusion of the content and allows the user to place the cursor on the display accurately.

The invention relates to a high speed railway rail corrugation acoustic diagnosis method based on an IMF (Intrinsic Mode Function) energy ratio, and belongs to the technical field of high speed railway vibration noise. The method comprises the following steps that: (1) testing rail roughness; (2) carrying out ensemble empirical mode decomposition; and (3) obtaining an IMF energy ratio: according to the energy ratio of an IMF signal corresponding to fault characteristic frequency, carrying out rail corrugation fault identification, screening to obtain an IMF component corresponding to the railcorrugation, and obtaining a Hilbert marginal spectrum and instantaneous frequency through HHT (Hilbert-Huang Transform). By use of the high speed railway rail corrugation acoustic diagnosis method based on the IMF energy ratio, a direct method is adopted on an operation line to actually measure the rail roughness characteristics of a corrugation-free zone, the IMF energy ratio obtained after an acoustic signal is subjected to EEMD (Ensemble Empirical Mode Decomposition) is subjected to component screening, and IMF energy ratio distortion characteristics are used for carrying out rail corrugation identification. Compared with theoretical acoustic frequency corresponding to the rail roughness actually measured by the direct method, the invention puts forward an efficient high speed railwayrail corrugation acoustic diagnosis strategy.

A pressure difference driven heat spreader includes a chamber defined in a main body; a vaporizing section arranged in the chamber and including a plurality of first flow-guiding members spaced from one another to define first flow passages therebetween, the first flow passages each having at least one free end communicating with a free zone; a condensing section arranged in the chamber opposite to the vaporizing section and including a plurality of second flow-guiding members spaced from one another to define second flow passages therebetween; and an interconnecting section arranged between the vaporizing and condensing sections and having first and second communicating holes for communicating the vaporizing section with the condensing section. The condensing section functions as a low-pressure end, so that a pressure gradient is produced in the pressure difference driven heat spreader to drive steam-water circulation therein, and no wick structure is needed for driving the working fluid.

It is possible to set a free zone and use a greater number of pawls in a reclining device having a plurality of pawls even if an angular range where a certain pawl is out of mesh with a ratchet and an angular range where pawls adjacent to that pawl are in mesh with the ratchet overlap with each other in a plan view, by bringing the other pawls out of mesh through an operation of bringing one specific pawl out of mesh. An unlock plate holds at least one pawl in retreat from the ratchet while a stationary disc holding the pawls and a movable disc having the ratchet form a relative rotational angle within a predetermined range. By holding the other pawls out of mesh through retreat of the pawl from the ratchet, an angular range for the operation of bringing one of the pawls Out of mesh with the ratchet by means of the unlock plate, and an angular range for the operation where the adjacent pawls are brought into mesh with the ratchet are so set as to overlap with each other in a plan view.