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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 6647751 | Lock for a motor vehicle steering column A motor vehicle steering column lock includes a locking element that is movable reciprocally by a rotatable control element between a locked and an unlocked position. The control element extends around the locking element and includes two inner bevel surf... | 11/18/2003 |
| 6647752 | Electronic key for motor vehicle The present invention relates to an electronic key (10) for an automotive vehicle, said key being of generally flat parallelepipedal shape and comprising: a housing (12) for an electronic card, said card being adapted to control electronically a locki... | 11/18/2003 |
| 6647753 | Lock with an electromechanical coupling device A lock with an electromechanical coupling device, which only consumes little electrical power, comprises an operating handle which constantly is in operative connection with a drive member of an electromechanical coupling device and upon recognition of an... | 11/18/2003 |
| 6647754 | Variable width roll forming apparatus A variable width roll forming apparatus forms a web and includes a first side plate extending substantially an entire length of the roll forming apparatus and a second side plate extending substantially an entire length of the roll forming apparatus, the ... | 11/18/2003 |
| 6647755 | Method for manufacturing small diameter medical devices An apparatus and method for manufacturing small diameter ultrasonic probes capable of vibrating in a transverse mode that can be used in ultrasonic tissue ablation. The apparatus includes a die, a style puller which is used to engage a functional end of t... | 11/18/2003 |
| 6647756 | Draw die shoes An apparatus for stamping sheet metal is disclosed. The apparatus has a lower bolster having a number of air pins disposed at predetermined locations. A first die set having first and second die shoes and a stamping ring and cap are disposed on the lower ... | 11/18/2003 |
| 6647757 | Method for recognition of signal errors The invention relates to a method for detecting rpm signal errors, in which pulses (t0, t2, t4, t6, t8 and t10) and pulse intervals (t1, t3, t5, t7, t... | 11/18/2003 |
| 6647758 | Method and apparatus for verifying integrity of cascade impactors An impactor assembly comprises a base for supporting a plurality of cups that form impactor plates, and a nozzle above each of the cups through which a flow passes for classification. The cover is removable, and a test cover can be put into position for m... | 11/18/2003 |
| 6647759 | Sensor micro-machined with electrolytic welding and method for making same A sensor of physical quantities, such as a pressure sensor or an acceleration sensor, and more specifically to the mounting of the active part of the sensor on a base bearing connection pins. An active part of the sensor includes, for example, micro-machi... | 11/18/2003 |
| 6647760 | Vibration pickup with pressure sleeve A vibration pickup has a pressure sleeve which is placeable on a component causing vibrations, a sensor element which detects the vibration, a seismic mass which is placeable outside of the sleeve on a support surface of the sensor element with an axial p... | 11/18/2003 |
| 6647761 | Hand held flexible mount leak detector A hand held refrigeration fluid leak detector for observing and detecting optical fluorescence resulting from optical excitation of the leaking refrigeration fluid provides single hand operation for a user while holding the main body of the detector with ... | 11/18/2003 |
| 6647762 | Detecting leaks in pipes An apparatus for permanently or semi-permanently fitting to an underground water pipe 15, 16 for detecting leaks therein, comprises a hydrophone 26 mounted to acoustically monitor water flowing along the pipe 15, 16 and means 29 for analysing a parameter ... | 11/18/2003 |
| 6647763 | Optical vacuum leak detection device and method The present invention comprises a device and a method for determining if a system with multiple seals has a leak and, if so, which of the multiple seals is causing said leak. The device and method employ a change in the optical reflectivity of a transpare... | 11/18/2003 |
| 6647764 | Quartz crystal microbalance with feedback loop for automatic gain control An analytical apparatus, such as a quartz crystal microbalance, comprising a piezoelectric sensor and an oscillator circuit, coupled to the sensor, to oscillate at a frequency substantially determined by a resonant frequency of the sensor, and to provide ... | 11/18/2003 |
| 6647765 | Apparatus and method for a cleaning detection device The present invention 10 discloses a cleaning device having a base portion 14 with a peel and stick adhesive 20 underside and a clear permeable topside 22 having a color reactive substance 24 contained therein wherein the base portion 14 further includes ... | 11/18/2003 |
| 6647766 | Device for contacting and/or modifying a surface having a cantilever and a method for production of said cantilever A device for contacting and/or modifying a surface having a cantilever connected to an almost plane carrier element staying apart from said surface, said cantilever having a tip at its loose end being in close contact to said surface. It is proposed that ... | 11/18/2003 |
| 6647767 | Apparatus for measuring the movements of an axle housing in a vehicle drive train system An apparatus for measuring the movements of a component in a drive train assembly, such as an axle housing in a vehicular drive train assembly, includes a motion transfer member having a first end that is connected to the axle assembly for movement therew... | 11/18/2003 |
| 6647768 | Intake negative pressure detection apparatus for multi-cylinder internal combustion engine An intake negative pressure detection apparatus for detecting an intake negative pressure of all cylinders of a multi-cylinder internal combustion engine by using negative pressure sensors, the number of which is fewer than the number of cylinders and eac... | 11/18/2003 |
| 6647769 | Failure diagnostic system for engine A diagnostic system is provided for aiding a technician or engineer in verifying that a fuel injector in a fuel injected engine is operating properly. The diagnostic system comprises a controller operatively coupled to an actuator for the fuel injector an... | 11/18/2003 |
| 6647770 | Apparatus and method for testing internal combustion engine valves An apparatus for testing internal combustion engine valves is provided. The apparatus includes a housing with a bore for receiving a seat fixture. The seat fixture, in turn, receives a seat insert. A valve is inserted into the apparatus so the valve head ... | 11/18/2003 |
| 6647771 | External pressure display for vehicle tires A magnetically coupled pressure display system particularly adapted for pneumatic tires of motor vehicles includes pressure transducer coupled for rotating a magnet field source within the tire and an external magneto-optical liquid crystal display attach... | 11/18/2003 |
| 6647772 | Transmitter of tire condition monitoring apparatus and method for manufacturing transmitter of tire condition monitoring apparatus A transmitter of a tire condition monitoring apparatus that has a superior moisture resistant characteristic, enables reduction in size, and facilitates manufacturing. The transmitter includes a casing formed from resin. An electric circuit unit is arrang... | 11/18/2003 |
| 6647773 | System and method for integrated tire pressure monitoring and passive entry A system and method for remote monitoring of vehicle tire pressure include monitors in each tire to transmit signals representative of tire pressure and receive control signals for use in regulating transmission of the tire pressure signals. A vehicle rec... | 11/18/2003 |
| 6647774 | Aircraft wind indicator Wind direction relative to an aircraft, wind speed and left/right wind correction angle data are derived and serially transmitted to an instrument panel indicator which simultaneously displays such data in a graphic visual format. A simple 2-wire interfac... | 11/18/2003 |
| 6647775 | Device for measuring at least one parameter of a flowing medium In devices for measuring the mass of aspirated air of an internal combustion engine, for instance, via a line, it is already known to provide a tubular body inside this line and to provide a temperature-dependent measuring element inside the tubular body.... | 11/18/2003 |
| 6647776 | Split-flow flowmeter with a profusion facing the detection element A split-flow-type flowmeter includes a detection element 2 disposed to face a flow path thereof and a venturi structure 4 formed within a flow path 1 in the vicinity of the detection element 2 and adapted to throttle a flow directed toward the detection e... | 11/18/2003 |
| 6647777 | Flow rate sensor, flow meter, and discharge rate control apparatus for liquid discharge machines A pipe line for fluid to be detected is formed so that heat from a flow rate detector in which a thin-film heating element and a thin-film temperature sensing element are laminated on a first surface of a substrate through an insulating layer is transferr... | 11/18/2003 |
| 6647778 | Integrated microtube sensing device A sensing device that comprises a micromachined tube on a substrate for resonant sensing of mass flow and density of a fluid flowing through the tube. The sensing device further incorporates on the same substrate at least a second micromachined tube confi... | 11/18/2003 |
| 6647779 | Temperature sensing resistance element and thermal flow sensor using same A temperature sensing resistance element includes a substrate made of an insulating material, a temperature sensing resistor formed on at least a part of the outer peripheral surface of the substrate to connect both ends of the substrate, a cap-shaped con... | 11/18/2003 |
| 6647780 | Slow wave structure sensor with zero-based frequency output An oscillating circuit is disclosed which is responsive to frequency variations caused by parameter changes in an associated slow wave structure sensitive element. A local oscillator and mixer circuit is used to subtract an offset frequency output to rese... | 11/18/2003 |
| 6647781 | Bubble water depth measuring method and system thereof A water depth measuring method comprises steps of making a bundle of reference water column pressure measuring tubes of a U character form of the number of nࣙ2 at a same length with a water depth measuring tube in order to compensate for a total error o... | 11/18/2003 |
| 6647782 | Capacitive humidity sensor A humidity sensor has two detection electrodes located on a semiconductor substrate and a humidity sensitive film. The capacitance of the film changes in response to humidity. The sensor includes a reference capacitor and a feedback capacitor. An electrod... | 11/18/2003 |
| 6647783 | Vent plug for environmentally controlled housing for gas monitoring system A monitoring system, such as used to monitor the presence and/or concentration of gases or other such fluids, includes a housing through which fluid is permitted to pass and which includes a heater element. The housing includes one or more vent hole/vent ... | 11/18/2003 |
| 6647784 | Balance adjusted wheel and manufacturing method The object of the invention is to provide a balance adjusted wheel and its manufacturing method utilizing a cutting surface, for which cutting is performed by setting a point as a rotation center offset by a given distance from the central axis of a wheel... | 11/18/2003 |
| 6647785 | Nuclear radiation hard high accuracy rotation sensor system A rotation sensing system includes a rotation sensor that produces a signal in response to an input rotation about a sensing axis. A servo system is arranged to rotate the rotation sensor at an angle about the sensing axis to null the signal from the rota... | 11/18/2003 |
| 6647786 | Tuning-fork type vibration gyro and electrode trimming method therefor A tuning-fork type vibration gyro enables to suppress pyroelectric noise caused by temperature change and to obtain sensor output having high signal-to-noise ratio. The tuning-fork type vibration gyro includes a tuning-fork type vibration body having two ... | 11/18/2003 |
| 6647787 | Acceleration recorder The acceleration recorder provides a three dimensional mechanical record of the acceleration sustained in a collision or impact. The recorder converts impact into a rotational movement of an internal weight about three orthoganl axes. Mechanical indicator... | 11/18/2003 |
| 6647788 | Acceleration detecting device An acceleration detecting device comprising a movable weight, a movable electric contact disposed on the weight, a fixed electric contact, an resilient member, and a friction creating mechanism. The movable electric contact slides on the fixed electric co... | 11/18/2003 |
| 6647790 | Fixed-bandwidth correlation window method and system for a self-balancing rotatable apparatus A method and system for dynamically balancing a rotating system or rotating device utilizing data collection and correlation techniques to extract balance measures from sensor data is disclosed. Sensor data from the rotating system, containing information... | 11/18/2003 |
| 6647791 | Device for contactlessly gripping and positioning components A mechanism for the contactless gripping and positioning of a component having a planar peripheral edge region, including a sound producing device producing a pattern of levitation sound waves for keeping the component in suspension at a selected position... | 11/18/2003 |
