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1863results about "Live contact access prevention" patented technology

Method and apparatus including altimeter and accelerometers for determining work performed by an individual

Method and calculations determine an individual's, or several individuals' simultaneous rates of oxygen consumption, maximum rates of oxygen consumption, heart rates, calorie expenditures, and METS (multiples of metabolic resting rate) in order to determine the amounts of work that is performed by the individual's body. A heart monitor measures the heart rate, and an accelerometer measures the acceleration of the body along one or more axes. An altimeter measures change in altitude, a glucose monitor measures glucose in tissue and blood, and thermometers, thermistors, or thermocouples measure body temperature. Data including body fat and blood pressure measurements are stored locally and transferred to a processor for calculation of the rate of physiological energy expenditure. Certain cardiovascular parameters are mathematically determined. Comparison of each axis response to the individual's moment can be used to identify the type of activity performed and the information may be used to accurately calculate total energy expenditure for each physical activity. Energy expenditure may be calculated by assigning a separate proportionality coefficient to each axis and tabulating the resulting filtered dynamic acceleration over time, or by comparison with previously predetermined expenditures for each activity type. A comparison of total energy expenditure from the current activity is compared with expenditure from a previous activity, or with a baseline expenditure rate to assess the level of current expenditure. A measure of the individual's cardio-vascular health may be obtained by monitoring the heart's responses to various types of activity and to total energy expended.
Owner:TELECOM MEDICAL

GFCI receptacle having blocking means

Located within a GFCI device having a receptacle is a movable contact bearing arm which is held in either a closed or open position with a fixed contact by a latching member that is connected to the spring loaded reset button. The reset button assumes a first or a second position which is determined by the conductive state of the GFCI. When the GFC is in a conducting state, the reset button is substantially fully depressed within the housing of the GFCI. When the GFCI is in a non-conductive state, the reset button projects outward beyond the top surface of the housing of the GCFI. Thus, the movable contact bearing arm, acting through a latching member, determines the position of the reset button. A blocking member located within the body of the GFCI is positioned by the reset button to allow free access of the prongs of a plug into the openings of the receptacle when the reset button is depressed or to block at least one opening of the receptacle to prevent a plug from entering the openings of the receptacle when the reset button projects out beyond the surface of the housing. Thus, when the GFCI is in a conducting state, the reset button is recessed within the GFCI housing and positions the blocking member to the first position to allow the prongs of a plug to be inserted into the receptacle openings. When the GFCI is in a non-conducting state, the reset button protrudes outward from the housing of the GFCI to position the blocking member to the second position to block at least one opening of the receptacle to prevent the prongs of a plug from entering the receptacle. GFCI's normally have two separate sets of internally located contacts known as bridge contacts where one set is used to connect a load to the source of electricity and the second set is used to connect a user accessible load to the source of electricity. The bridge contacts provide isolation between the conductors to the load and the conductors to the contacts of the GFCI receptacle when the GFCI is in a fault state. In the GFCI here disclosed, the blocking member prevents the prongs of a plug from entering the receptacle when the GFCI is in a fault state and, therefore, can eliminate the need for the bridge contacts.
Owner:LEVITON MFG

Safety power connection device

A safety power connection device comprises a fixed base fixed to the wall and a power connector connected to electrical equipment. The fixed base has a slide cavity inside. A slot communicated with the outside is arranged in the front end wall of the slide cavity. A slide frame capable of sliding back and forth is installed in the slide cavity. The slide frame is provided with an access slot which has an opening facing the front end and is through up and down. Long and narrow slots with openings facing the front end are symmetrically arranged on the left and right sides inside the slide frame. Shielding plates are fixedly arranged on the rear side of the front end wall of the slide chamber in bilateral symmetry. Power supply slots are arranged in the rear side of the front end wall of the slide chamber in bilateral symmetry. Conductive heads matching the power supply slots are arranged at the front end of the slide frame in bilateral symmetry. Driven racks are arranged on the two sidewalls of the access slot. Gears meshed with the driven racks are installed in bilateral symmetry in the slide cavity through a rotating shaft. A transverse plate is fixedly installed in the access slot. Through slots are arranged in bilateral symmetry in the transverse plate. Conductive elastic pieces are installed in the through slots.
Owner:ANHUI LIXIN RUBBER TECH CO LTD

Electric shock prevention power supply device in fixed plugging connection

ActiveCN106911050AAchieving operational stabilityRealize automatic locking matingCouplings bases/casesTwo-part coupling devicesEngineeringDrive motor
The invention discloses an electric shock prevention power supply device in fixed plugging connection, and the device comprises a socket part and a plug part. The internal bottom of the socket part is provided with an accommodation cavity, and the internal top of the accommodation cavity are provided with first slide grooves which are in left-right symmetry. An isolating block which extends downwards is disposed between the two first slide grooves, and the isolating block extends downwards to enter the accommodation cavity. One side, which departs from the isolating block and is located in the socket part, of each slide groove is provided with a first operation cavity, and the first operation cavity of each first operation cavity is provided with a steering shaft. The interior of each first slide groove is provided with a first spiral rod, and each first spiral rod is in threaded connection with a push block. The inner side of each first spiral rod is connected with a drive motor, and each steering shaft is fixedly provided with a first tooth-shaped wheel, wherein the upper end of the first tooth-shaped wheel is connected with a second tooth-shaped wheel. The interior, at the upper end of each first operation cavity, of the socket part is provided with a second operation cavity, and the inner side of each second operation cavity is provided with a second slide groove.
Owner:JIANGSU XIYI HIGH NEW DISTRICT TECH DEV CO LTD

Press/Push Universal Serial Bus (USB) Flash Drive with Deploying and Retracting Functionalities with Elasticity Material and Fingerprint Verification Capability

Briefly, an embodiment of the present invention includes a portable flash memory drive with a simplified mechanism, based upon the resilient properties of the material used to create the parts, for reliable extension and retraction of the device's interface plug. The portable flash memory drive is comprised of a metal housing (or case), a printed circuit board (PCB) assembly, PCB support, PCB assembly end cap, an upper, and lower housing, and in some embodiments a fingerprint sensor and/or key ring assembly. The press/push switch mechanism is located on either the side of the portable flash memory device, or the top; and relies upon the resilient properties of the material used to create the metal housing or end cap, to create a smooth, locking mechanism for the extension or retraction of the interface (i.e., USB or firewire) plug. The switching/locking mechanism relies upon grooves or notches within the material of the upper and/or lower housing for tracking and locking, coupled with protrusion tabs on the sliding components of the end cap or metal housing. Alternatively, in some embodiments of the present invention, a fingerprint sensor is also extended or retracted contemporaneously with the interface plug, and allows the end user to secure and unlock the data contained, in whole or in part, therein.
Owner:SUPER TALENT TECH CORP
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