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This page is updated frequently with new Amper-related patent applications. Subscribe to the Amper RSS feed to automatically get the update: related Amper RSS feeds. RSS updates for this page: Amper RSS RSS


Quantum cascade laser manufacturing method

"le four en brique" - the first brick oven designed for your oven

Thrust bearing and combo bearing

Date/App# patent app List of recent Amper-related patents
07/17/14
20140201852
 Systems and methods for detecting and mitigating programmable logic device tampering patent thumbnailSystems and methods for detecting and mitigating programmable logic device tampering
Systems and methods are disclosed for preventing tampering of a programmable integrated circuit device. Generally, programmable devices, such as fpgas, have two stages of operation; a configuration stage and a user mode stage.
07/17/14
20140199798
 Quantum cascade laser manufacturing method patent thumbnailQuantum cascade laser manufacturing method
A quantum cascade laser manufacturing method includes: a step of pressing a mother stamper against a resin film having flexibility to make a resin stamper 201 having a second groove pattern p2; a step of making a wafer with an active layer formed on a semiconductor substrate; a step of forming a resist film 304 on a surface on the active layer side of the wafer; a step of pressing the resin stamper against the resist film 304 by air pressure to form a third groove pattern p3 on the resist film 304; and a step of etching the wafer with the resist film 304 serving as a mask to form a diffraction grating on a surface of the wafer.. .
07/17/14
20140199458
 "le four en brique" - the first brick oven designed for your oven
An apparatus and method to temporarily convert an oven into a brick oven comprising a dome with a ventilation aperture governed by a damper to control the accumulation of hot air within the dome, and a plate placed within the dome possessing a diameter less than the diameter dome to permit heat to rise up from within the oven into the dome. A handle is secured to the dome to facilitate handling of the dome..
07/17/14
20140199006
 Thrust bearing and combo bearing patent thumbnailThrust bearing and combo bearing
The present disclosure provides a thrust bearing that includes: a damper body including a body part and protrusions axially protruding at predetermined areas on the body part with flat tops; and thrust top foils each having a contact portion that is in surface contact with the tops of the protrusions. The present disclosure provides a combo bearing that includes: a damper body including a body part having a through-hole at the center through which a rotary shaft passes, and protrusions axially protruding at predetermined areas on the body part with flat tops; thrust top foils each having a contact portion that is in surface contact with the tops of the protrusions; and a radial top foil covering the rotary shaft and disposed along the inner side of the through-hole of the damper body..
07/17/14
20140197764
 Device for stable subsea electric power transmission to run subsea high speed dc motors or other subsea dc loads patent thumbnailDevice for stable subsea electric power transmission to run subsea high speed dc motors or other subsea dc loads
Device for operative connection between a subsea step out cabie far end and subsea toads such as pumps, compressors and control systems, distinctive in that the device is a subsea dc provider (sdcp), and it comprises: a sdcp unit for altering alternating current power received from the step out cable to direct current power for delivery to said loads, a gas and/or liquid filled vessel into which said unit is arranged, and the device is a sdcp for subsea location at a far end of a subsea step out cable connected to at least one ac power source at the step out cable near end, and the step out length is long, which means long enough to cause, stability problems at frequency and power levels feasible for subsea pump and compressor motors, and where the device via the step out cable receives input electrical power at a low enough frequency to have stable transmission and the device, operativesy connected to the subsea motors, delivers a dc output electrical amperage and voltage feasible for operation of connected pump and compressor motors. System for subsea pressure boosting of hydrocarbon fluid or other fluid, comprising the device..
07/17/14
20140197655
 Vehicle with rotating slide-out room patent thumbnailVehicle with rotating slide-out room
The present disclosure relates to systems and methods a rotatable slide-out room for a motor homes, recreational vehicles, campers, or trailers. The slide-out room is configured to rotate about a rotational axis into and out an aperture in the sidewall of the vehicle.
07/17/14
20140197627
 Vibration damper for vacuum pumps patent thumbnailVibration damper for vacuum pumps
In a vibration damper of a turbomolecular vacuum pump, a vacuum tightness function and a vibration damping function are both performed by one ore more toroidal rings made of an elastic material. The elastic rings assume a resting configuration while the vacuum pump is not operating and the damper is at atmospheric pressure, and they assume a compressed configuration while the vacuum pump is operating and the damper is under vacuum conditions.
07/17/14
20140197615
 Directional damper for heavy-duty vehicle axle/suspension systems patent thumbnailDirectional damper for heavy-duty vehicle axle/suspension systems
A directional damper for heavy-duty vehicle axle/suspension systems includes damping means disposed at least between the vehicle and a suspension assembly of the vehicle. The damping means provides directional damping to the suspension assembly with respect to a selected datum, such as the beam or the main member of the vehicle..
07/17/14
20140197259
 Stationary disc, rotating disc and mill assembly for reducing machines patent thumbnailStationary disc, rotating disc and mill assembly for reducing machines
A reducing machine having an air cooled cutting discs is disclosed. The air cooled discs have cutting surfaces on both sides.
07/17/14
20140197243
 Hydronic air heater patent thumbnailHydronic air heater
A hydronic air heater includes a frame assembly defining an enclosure, an inlet air damper formed in a wall of the enclosure and providing a means of ingress for ambient air, a closed heat transfer loop disposed within the enclosure, and a blower assembly disposed within the enclosure. The heat transfer loop includes a boiler for heating a fluid, a pump for circulating the fluid within the loop and a heating coil for receiving the heated fluid from the boiler.
07/17/14
20140197242
Precious metal authentication system and method
Structures, systems, and methods verify the authenticity of a precious metal unit. A “ping bar” is designed to have a distinctive sound only if authentic and unadulterated.
07/17/14
20140197190
Anti-tamper container
An anti-tamper container for preventing incorrect opening includes a box body, an abutting flanged portion, a cover and at least one opening preventing device. When a force is applied to the cover to rotarily open it upwards, the front inclined surface of the tilting extension sheet presses the pre-dislocated rib to disengage it from the box body so as to prevent reconnection.
07/17/14
20140197041
Amperometric biosensor and detecting method using the same
An amperometric biosensor is adapted for detecting concentration of a target analyte, and includes a detector and a plurality of sensing members connected electrically to form an input of the detector. Each sensing member includes an electrode unit including a working electrode with a biorecognition element disposed thereon for reaction with the target analyte, and a reference electrode.
07/17/14
20140196999
Temperature-independent vibration damper
A temperature-compensating damping element, which is suitable for the temperature-independent reduction of vibrations, which has a fixed, non-elastic outer part and a fixed, non-elastic inner part, which is either inserted fully or partly into a mating cut-out or opening of the outer part. The outer and inner parts have contact surfaces which are connected to one another by an elastic layer which comprises an elastomer material and which is, or can be, pre-tensioned with respect to a desired frequency by a tensioning element.
07/17/14
20140196995
Resetting semi-passive stiffness damper and methods of use thereof
A resetting semi-passive stiffness damper (rspsd) for use in damping movement. Embodiments of such a rspsd include, for example, a pistoned cylinder connected to a grooved rack, and a spring-loaded lever arranged between the rack and a slotted channel above the rack.
07/17/14
20140196979
Pulsation damper
A pulsation damper (1) for damping pressure pulsations of a fluid is insertable into the fluid line as intermediate piece by forming an axial flow channel (3), and the pulsation damper (1) featuring a housing (2). The pulsation damper (1) is characterized by the fact that the housing (2) has at least one hollow space (23) communicating with the flow channel (3) and in which at least one attenuator (4) is disposed movably in axial direction..
07/17/14
20140196636
Safe weapon container for securely releasing a defense weapon
Some embodiments of the invention provide a safe weapon container for securely holding a defense weapon that is only accessible to an authorized user upon one or more successful biometric inputs that authenticate the identity of the authorized user. The safe weapon container includes a safe, a surveillance camera, an audio intercom, a biometric input device, a door status contact device, a tamper switch, a delay release lock, and an internet protocol (ip) module..
07/17/14
20140196594
Electric stringed musical instrument and method of designing the same
An electric stringed musical instrument includes: a string which vibrates by a performance operation; a body which supports the string via a bridge; a pickup sensor mounted on a portion which vibrates by a vibration of the string, the pickup sensor being configured to detect a vibration having propagated from the string and output an electric signal; a supporter having a spring structure which supports the bridge with respect to the body; and a damper mounted on a portion which vibrates by a vibration of the string, the damper being configured to damp a vibration of the bridge.. .
07/10/14
20140195676
Network adapter based zoning enforcement
Embodiments of the present invention are directed to enforcing zoning at a network adapter of an end point device. Thus, a network adapter can monitor the communications that are sent and/or received by the adapter and discard communications that are prohibited based on the zoning rules applicable to the adapter.
07/10/14
20140195287
Gesture based electronic signature
A business process management application provides a gesture based signature, and approval mechanism that associates a reply or assent from a remote device with the business process that sent it, thus providing assurances that the resulting approval or disapproval was properly obtained and records the reply for future accountability. A context identifier indicative of the business process that initiated the interactive request for action (action typically being approval, disapproval or acknowledgment) is generated, encoded to discourage tampering, and appended to the interactive request sent to the remote device.
07/10/14
20140194822
Catheter sheath introducer with directional retention damper
A catheter sheath introducer comprises a hub and a tubular sheath having an inner lining with one or more dampers to improve retention of medical devices received or passed through the sheath without significantly increasing the force required to advance the medical device through the sheath. The dampers are made of a friction inducing material, for example, rubber-based materials, and configured as fingers, bumps or flaps that are unidirectional by means of an asymmetrical shape relative to a longitudinal axis of the sheath..
07/10/14
20140194713
Contact lenses having two-electrode electrochemical sensors
Apparatus, systems and methods employing contact lenses with two-electrode electrochemical sensors are provided. In some aspects, the contact lens includes: a substrate that forms at least part of a body of the contact lens; and a circuit, disposed on or within the substrate, and including a two-electrode electrochemical sensor.
07/10/14
20140194455
Oxidation-stabilized tamper-resistant dosage form
A polyalkylene oxide (c) having a weight average molecular weight mw of at least 200,000 g/mol.. .
07/10/14
20140194237
Belt pulley for a crankshaft in a vehicle
A belt pulley is provided for a crankshaft in a vehicle. The belt pulley can be mounted on an end of the crankshaft projecting from an engine block.
07/10/14
20140193762
Heat treatment furnace
A heat treatment furnace, also referred to as a multi-chamber furnace, that includes a plurality of treatment chambers, each having heating and cooling dampers and being controllable to adjust a flow rate into the treatment chamber, the dampers of each treatment chamber being selectively and independently adjustable with respect to one another so as to allow simultaneous heat processing of a plurality of products in different treatment chambers at different respective heat treatment states depending on the amount of heating and cooling flow rates allowed to enter in each treatment chamber via the dampers.. .
07/10/14
20140193280
High-pressure fuel supply pump
The damper mechanism used for a high-pressure fuel supply pump system is configured so that an outer circumferential surface of a cover in regard to the thickness direction of the base material of the cover engages with the inner circumference of an open end part of a bottomed tubular concave part formed in a damper housing or in a pump housing of the high-pressure fuel supply pump. The total height of the damper as a low-pressure pulsation reducing mechanism can be reduced and the dimensions of the damper in the radial directions can also be reduced.
07/10/14
20140193194
Preventing noise from mating spline teeth
A mechanical connection includes first and second components supported for rotation, the first component formed with first spline teeth, the second component formed with second spline teeth meshing with the first spline teeth, and a damper fitted in a groove formed in one of the first and second components, including an extension secured to the damper, contacting and extending between at least some of the first and second spline teeth.. .
07/10/14
20140192523
Flashlight tamper-proof structure
A flashlight tamper-proof structure for preventing a lamp cover fastened to an end of a flashlight from being unfastened manually is characterized in that: an appropriate section of an opening of a body of the flashlight forms a dented area having an internally threaded hole; an end of an opening of the lamp cover extends to form a carrying section, such that a connection element fits tightly inside the carrying section; an end of the connection element extends to form a rod section; a protruding portion having an inward-penetrating hole is formed at an end of the rod section, such that the protruding portion at the end of the rod section is positioned at the dented area on one side of the body; afterward, a screw is inserted into the hole at the end of the rod section and screwed to the internally threaded hole of the dented area.. .
07/10/14
20140192522
Flashlight tamper-proof structure
A flashlight tamper-proof structure for preventing a lamp cover fastened to an end of a flashlight from being unfastened manually is characterized in that: an appropriate section of an end of an opening of a body of the flashlight extends to form a carrying portion; an internal thread section penetrates a front end of the carrying portion; a hole is formed at a corresponding point of a rear end of the carrying portion, to allow a screw to be inserted into the carrying portion, such that the screw is screwed to the internal thread section with a tool; concave indentations are formed at the periphery of the opening of the lamp cover fastened to the end of the opening of the body of the flashlight; and the screw screwed to the internal thread section is moved forward with the tool to reach the concave indentations.. .
07/10/14
20140192191
Public view monitor with tamper deterrent and security
The present invention provides a device, comprising one or more embedded tamper deterrent and security systems that trigger an alarm if the device is tampered.. .
07/10/14
20140191067
Mineral material processing plant and method
A mineral material processing plant includes a frame having two or more upper support surfaces and a jaw crusher including a crusher body having at least two bottom support surfaces at a distance from each other. The processing plant further includes at least one damper to be arranged in between the bottom and upper support surfaces which damper includes a first counter surface for the bottom support surface and a second counter surface for the upper support surface and an elastic material layer between the counter surfaces and preferably a slide joint between the first counter surface and the bottom or upper support surface.
07/10/14
20140190970
Tamper-evident container
A tamper-evident container is disclosed. The tamper-evident container includes a containing base, a lid, and a release structure.
07/10/14
20140190969
Tamper-evident container
A tamper-evident container is disclosed. The tamper-evident container includes a containing base, a lid, and a release structure.
07/10/14
20140190968
Closure with folded-up tamper evident band
A closure (10,30) attachable to a container having an opening. The closure (10,30) comprising a top portion (11) and a skirt portion (12) depending from the top portion (11).
07/10/14
20140190858
Spill resistant tamper evident treat container
The present invention is a spill resistant tamper evident treat collection container apparatus. Because of the unique shape, size, and functioning of the apparatus, the apparatus prevents spills of contained treats regardless of the orientation of the apparatus.
07/10/14
20140190839
Contact lenses having two-electrode electrochemical sensors
Apparatus, systems and methods employing contact lenses with two-electrode electrochemical sensors are provided. In some aspects, the contact lens includes: a substrate that forms at least part of a body of the contact lens; and a circuit, disposed on or within the substrate, and including a two-electrode electrochemical sensor.
07/10/14
20140190778
Inerting damper with regressive characteristics
Apparatus and methods for damping a vehicle suspension. Various embodiments of dampers in hydraulic flowpaths are adapted and configured to provide shock absorber reactive forces resulting more from the pressure drop needed to overcome the inertia of the hydraulic fluid.
07/10/14
20140190512
Brake system having an electromagnetic track brake device
A brake control device for a brake system, wherein the brake system has at least one electromagnetic track brake device, which can be supplied with current at variable amperage according to the brake control device to create a braking force, and wherein the brake control device is designed to actuate the at least one electromagnetic track brake device at a cleaning amperage during travel in order to clean a rail. Also disclosed is a brake system having such a brake control device, a rail vehicle, and a method for cleaning a rail by means of an electromagnetic track brake device..
07/10/14
20140190301
Power take off gear with a hydraulic impact damper
A power take off (pto) gear including: an input flange including an outwardly extending protrusion; a ring gear; and a piston including an inwardly extending protrusion and a circumferential end. The pto gear includes first and second cover plates fixedly secured to the ring gear; at least one elastic element engaged with the flange and the first and second cover plates; and a chamber bounded by the circumferential end of the piston and material forming the ring gear and sealed in first and second axial directions by the first and second cover plates, respectively.
07/10/14
20140190283
Friction controlled damper for a torque transmission device
A flange forming an input for the device and including a damper stop tab extending radially outward; a plate including first and second curved slots; and a curved friction assembly including a first end disposed in the first curved slot, a second end disposed in the second curved slot, at least one curved engagement plate including an engagement tab extending radially inward, at least one curved friction plate rotationally fixed to the plate, and a resilient element urging the at least one curved engagement plate and the at least one curved friction plate into contact. The device includes at least one elastic element engaged with the flange..
07/10/14
20140190142
Apparatus comprising rake with integrated tamper
An exemplary aspect comprises an apparatus, comprising: a handle component comprising a first end and a second end; a collar slidably attached to the handle component; a tamper component affixed to the first end of the handle component; and a tines component affixed to the collar comprising individual tines extending through tine guides of the tamper component.. .
07/10/14
20140189947
Damper locking mechanism for toilet seat
A toilet includes a seat, a bowl and a damper locking mechanism that allows the seat to rotate relative to the bowl with an influenced inertia. The damper locking mechanism includes a hinge base having a biasing member and an interior surface that defines a bore and a damper having an exterior surface that engages the interior surface.
07/03/14
20140189879
Method for identifying file type and apparatus for identifying file type
A method for identifying a file type and an apparatus for identifying a file type, so as to solve a problem in the prior art that a file type cannot be effectively identified when a sender tampers with a file being transmitted. The method includes: acquiring, from a transmitted data packet, a file header of a file to be identified, and determining whether a magic number can be obtained from the file header; if the magic number can be obtained, searching for the file type that corresponds to the magic number; determining whether data of the file to be identified complies with a data structure feature of the file type; if yes, determining that a file type of the file to be identified is the file type that corresponds to the magic number; and if not, determining that a file type of the file is an abnormal type..
07/03/14
20140188336
Vibration damping for a convertible vehicle
Methods and apparatus are provided for attenuating vibrations in the header of a convertible vehicle. The apparatus includes a fluid damper configured to be coupled to a header of a convertible vehicle and an accelerometer for sensing vibrations in the header and providing a signal to adjust the fluid damper thereby attenuating the vibrations.
07/03/14
20140188279
Method for controlling gait of robot
A method includes: forming an imaginary wall at a position spaced apart and outward from feet of the robot when the robot is in a double-leg-support state; kinetically calculating a variation in a distance between a body of the robot and the imaginary wall and a variation in a speed of the body of the robot relative to the imaginary wall using an angle of a joint and lengths of links of the robot; applying the variation in the distance and the variation in the speed to an imaginary spring-damper model formed between the body of the robot and the imaginary wall, and calculating an imaginary reaction force required by the body of the robot; and converting the calculated reaction force into a drive torque required by the body of the robot using a jacobian transposed matrix.. .
07/03/14
20140188079
Apparatus and method for controlling visibility and access to central venous access devices
A device for controlling visibility and access to central venous access devices is comprised of a two-sided body fitted around the torso of a patient. The device has an interior surface and an exterior surface.
07/03/14
20140185974
Squeeze film damper
A squeeze film damper is provided, which includes a bearing cartridge (6), a housing (4), in which the bearing cartridge (6) is accommodated, and a squeeze film in a gap (22) between the housing (4) and the bearing cartridge (6) for producing a damping force directed opposite a circulating radial exciter force, which is generated by an imbalance retained in the bearing cartridge (6). In the squeeze film damper, an arrangement (28) for attenuating the damping force according to the circumferential position are provided around the bearing cartridge (6)..
07/03/14
20140185333
Active clamp circuits for flyback power converters
An active clamp circuit for a flyback power converter is provided. The active clamp circuit includes a power transistor, a capacitor, a high-side transistor driver, a charge-pump circuit, and a controller.
07/03/14
20140185237
Opacity baffle to prevent viewing of internal structures in secure electronic equipment
An opacity baffle is disclosed that can be permanently secured to the back face of an electronic apparatus to cover ventilation openings or other openings that render the apparatus visually unsecure. The opacity baffle in one example comprises a grill and ventilation material that are secured together at their edges resulting in a rigid structure.
07/03/14
20140185209
Container data center with server cabinet assembly
A container data center includes a container and a number of server cabinets received in the container. The container includes two opposite side plates.
07/03/14
20140184415
Electronic device with tamper resistant enclosure
A tampering resistant device has housing, a circuit board fitted with electronic components, and a key pad for command input. A security wrap is disposed between the circuit board and the key pad.
07/03/14
20140184411
Alarm condition processing in network element
Techniques for alarm condition processing in communication networks. In one example, a method comprises the following steps.
07/03/14
20140183997
Gear motor
A gear motor is provided with a motor, a decelerator, an output shaft of the decelerator coupled to a driven shaft of a driven machine, and a torque arm for preventing rotation of the gear motor around the driven shaft. One end of the torque arm is fixed to the gear motor and the other end is fixed to an installation seat.
07/03/14
20140183911
Motorized vehicle saddle apparatus and method
A seating system for motorized vehicles is adapted to saddles on which riders travel for extended periods of time, such as motorcycles, all-terrain vehicles, and the like. The saddle includes an isolator with a disconnect for lateral vibrations, and a damper for lateral and vertical absorption and isolation of shocks and vibration.
07/03/14
20140183196
Non-removable tamper resistant lid
The present invention relates to a tamper resistant lid (10) for a container (1). The lid (10) exhibits a centre axis (x) and comprises an outer and an inner member (20, 40).
07/03/14
20140183195
Tamper-evident closure
A tamper-evident closure for a container is provided. The closure comprises a first portion including inner and outer parts, and a second portion.
07/03/14
20140183077
Security packaging
A security packaging (10) provides multi-layer laminate structure for providing evidence of package tampering. The packaging may include a first panel (12) having an opening (18) therein in planar contact with an insert member (16) and a film layer (20).
07/03/14
20140182988
Sleeve damper assembly
A damper for a linear element of a motor vehicle drivetrain such as a cable, a transmission oil fill tube or an engine oil dipstick tube constitutes a loose fitting sleeve or annulus disposed about the linear component. The damper may be positioned on a substantially vertical tube by a stop which may be any device such as a sleeve of material having an outside diameter larger than the inside diameter of the damper that is clamped or secured to the tube.
07/03/14
20140182986
Variable damping force damper
Provided is a solenoid-type variable damping force damper that improves the strength of the piston and prevents wire break in the electromagnetic coil. A piston includes a piston main body, an expansion-side valve plate, a contraction-side valve plate, an electromagnetic coil, and a bolt.
07/03/14
20140182959
Acoustic noise damping for a vehicle
Methods and apparatus are provided for attenuating vibrations in the header of a vehicle to reduce acoustic noise. The apparatus includes a fluid damper configured to be coupled to a header of a vehicle and an accelerometer for sensing vibrations in the header and providing a signal to adjust the fluid damper thereby attenuating the vibrations.
07/03/14
20140182696
Damping valve arrangement for a semiactive vibration damper
A damping valve arrangement is provided for controlling a pilot pressure that exerts influence on a control chamber of a damping device of a vibration damper through a control fluid, with an armature that is displaceable by the activity of an electrically energizable coil and provided in a housing, which armature includes a guide pin on which a first spring washer is provided and braces the guide pin. The first spring washer is designed for changing the area of a flow-through opening of the damping valve arrangement through which a control fluid is able to flow..
07/03/14
20140182642
Force absorbing device
A force absorbing device is provided for use with a walking aid having proximal and distal tubes arranged in a telescoping configuration for relative movement therebetween along a longitudinal axis. A proximal end member is affixed within a hollow bore of the proximal tube with no relative movement between the proximal tube and the proximal end member.
06/26/14
20140181528
File tamper detection
This disclosure relates generally to methods and systems for determining when a file has changed. According to one aspect of the present disclosure, a method of determining if contents of a file have changed can include determining if a digital signature created as a function of contents of the file has changed, and when the digital signature has changed, overlaying the contents of the file with a first mark that indicates the contents have changed and blocks a view of the contents of the file..
06/26/14
20140180285
Surgical fasteners including nanomaterial coating for applying pulsed current
The present disclosure relates to a surgical fastener including a backspan with a first and second legs depending from each opposed end of the backspan and at least one pulse generating layer coupled to a portion of the fastener. The pulse generating layer may be coupled to a portion of the first and second legs, a portion of the backspan of the fastener, or the entire surgical fastener.
06/26/14
20140179342
Signal blocking detection in offender monitoring systems
An electronic monitoring device for monitoring an individual and detecting signal blocking. The electronic monitoring device may be equipped with gps and/or rf communication technology that may be interrupted intentionally or unintentionally.
06/26/14
20140178550
Methods and devices for ingredient preparation
An ingredient preparation device (100, 200) is disclosed and may include one or more of an openable ring (110), a non-openable ring (210), a removable panel (10), and an optional tamper (190). One or more optional shaped inserts (180) may be used within the ring.
06/26/14
20140176330
Inexpensive safety alerting devices for munitions and a detector for same
The beam of a specific radio frequency is reflected back to the detector, mounted on a building, or carried by a law enforcer. When the reflected signal from the antenna bands reaches the detector, an output signal is produced in the detector, which is used to alert safety personnel or electronic alarms, that a gun is nearby.
06/26/14
20140176273
Tap changer having a vacuum interrupter assembly with an improved damper
An on-load tap changer is provided having a vacuum interrupter that is actuated by a shaft of an actuation assembly. A damper dampens the movement of the shaft.


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Amper topics: Longitudinal Axis, Gas Turbine Engine, Gas Turbine

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This listing is a sample listing of patent applications related to Amper for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Amper with additional patents listed. Browse our RSS directory or Search for other possible listings.
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