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| Patent # | Description |
|---|---|
| US-5,574,349 |
Servo motor control circuit A servo motor control circuit for a video signal playback apparatus including a wave-shaping circuit, a speed error detector, a first filtering circuit for... |
| US-5,574,348 |
Tool support A tool-receiving system 14 displaceable in one, two or three dimensions is mounted on a tool support 6 displaceable in two or three dimensions relative to the... |
| US-5,574,347 |
Apparatus for locomotion in enclosed spaces An apparatus having a highly autonomously, self-moving system which reacts flexibly to impediments in the environment. It must be specifically noted in this... |
| US-5,574,346 |
On and off state fault detection circuit for a multi-phase brushed or
brushless DC motor A fault detection circuit monitors voltage drops associated with phase windings of a brushed or brushless reversible multi-phase motor and compares them with... |
| US-5,574,345 |
Power supply circuit for magnetic bearing system AC input voltage is lowered at a transformer, rectified at a rectifying circuit, then smoothed at a smoothing circuit, and thus produced DC voltage is supplied... |
| US-5,574,344 |
Power steering apparatus for performing feedback control of
motor-driving current A power steering apparatus for use in association with an electric motor, includes a switch circuit driven by a PWM wave signal which switches between one... |
| US-5,574,343 |
Control of activators in motor vehicle doors A system for controlling actuating members in the doors of motor vehicles has at least one electromotive actuating drive and at least one actuating element... |
| US-5,574,342 |
Brushless motor A brushless motor comprises a stator having a drive coil and a stator core, and a rotor. The stator has a plurality of main teeth and a plurality of auxiliary... |
| US-5,574,341 |
Compound motor limiting control circuit for controllable shunt field
winding by means A control circuit for controlling the excitation current in a compound motor includes a limiting switch connected in series with the shunt field winding of the... |
| US-5,574,340 |
Electrical and electromagnetic rotary motor apparatus and method
utilizing self-generated secondary electrical... A rotary motor including the combination of an electromagnetically powered first motor and an electrically powered second motor. The first motor and the second... |
| US-5,574,339 |
Drive for rocking furniture A piece of furniture has a frame and a part capable of rocking on the frame at a natural rocking frequency. A drive has a sensor for detecting movement of the... |
| US-5,574,338 |
Control circuit for gas discharge lamps, which has a transformer with
start and run windings A control circuit for a gas discharge lamp according to the present invention includes a transformer having a primary run winding, a primary start winding and a... |
| US-5,574,337 |
Single touch flash charger control An electronic flash device including a self-oscillating charging circuit, a momentary trigger for initiating oscillations of the circuit to charge a flash... |
| US-5,574,336 |
Flourescent lamp circuit employing a reset transistor coupled to a
start-up circuit that in turn controls a... A circuit for powering a fluorescent lamp has a direct current power supply (10). An inverter (12) is coupled to the direct current power supply (10) and... |
| US-5,574,335 |
Ballast containing protection circuit for detecting rectification of arc
discharge lamp A ballast includes an inverter for providing an AC voltage to a discharge lamp. As the lamp approaches end-of-life, a DC voltage component develops across the... |
| US-5,574,334 |
Submerged lamp with self grounding sleeve A conductive sleeve is located around each of the filament supports of an incandescent lamp enclosed in a glass bulb. The sleeve is spaced from the support by an... |
| US-5,574,333 |
Method for manufacturing a cathode for fluorescent display screens of
the microtip-type A method for manufacturing a fluorescent display screen cathode including microtips, comprises a supporting plate bearing cathode conductors in meshed columns, a... |
| US-5,574,332 |
Luminescent screen The invention relates to a luminescent screen and to a low pressure mercury discharge lamp comprising such a luminescent screen. According to the invention the... |
| US-5,574,331 |
In-line electron gun for a color picture tube An in-line electron gun for a color picture tube has an accelerating electrode portion separated into two or three electrodes in a triode, in which a voltage... |
| US-5,574,330 |
Electron gun and method of assembling it There is provided an electron gun which has an assembly precision improved by the reduction of deformation of an electrode during assembly as well as good... |
| US-5,574,329 |
Spark plug and a method of making the same for an internal combustion
engine A spark plug including a tubular insulator supported within a metallic shell, and a center electrode provided to axially extend within the insulator. An outer... |
| US-5,574,328 |
Light source apparatus An automobile headlamp apparatus comprising a direct current driven discharge lamp surrounded by a concave main mirror which confronts a concave spheroidal sub... |
| US-5,574,327 |
Microlamp incorporating light collection and display functions A microlamp structure and method of making the same is set forth having light collection and light directing features. The microlamp structure is of a... |
| US-5,574,326 |
Vibration actuator A vibration actuator includes a substantially rod-shape vibration member, and an electro-mechanical energy conversion element for vibrating the vibration member.... |
| US-5,574,325 |
Impregnatable configuration of a carrier body and winding elements A configuration, which may be part of a heavy-duty dynamoelectric machine, in particular a stator, being impregnated with a filler such as a cured epoxy resin,... |
| US-5,574,324 |
Rotor structure of alternating current generator for use in vehicle Plural thin plate projecting portions are integrally and projectingly provided on an outer peripheral portion of a side plate member of a bobbin. Each of the... |
| US-5,574,323 |
Electronically commutated electric motor for driving a feed pump An electronically commutated electric motor for driving fuel feed assemblies for internal combustion engines, that is connected axially flush with a feed pump... |
| US-5,574,322 |
Motor, a printer having such a motor and a disk drive system having such
a motor A motor has a rotor mounted on a stator to rotate about a rotation axis. The rotor is driven due to the interaction of a drive coil on the stator and a permanent... |
| US-5,574,321 |
Integral refrigerator motor fan blades A dynamoelectric machine in the preferred form of a permanent magnet motor has an integral blade assembly associated with the rotor for the motor. The motor... |
| US-5,574,320 |
Load drive circuit The invention relates to a load drive circuit which is able to detect an "on" fault of a switch element for controlling power to a load, and reliably interrupt... |
| US-5,574,319 |
Switching devices Plug-in electrical switching devices which allow a load device to be electrically connected to and disconnected from an electrical power source at either: (a) a... |
| US-5,574,318 |
Multi-port joystick switchbox A switching device for connecting four input devices and two auxiliary devices to a common output device is disclosed. A first 4-position 15-pole switch connects... |
| US-5,574,317 |
Device for compensation of an alternating voltage which occurs between a
medium and a metallic pipeline... In a metallic pipeline (1) disposed in the ground, alternating voltages may be induced from adjacent transmission lines and cause corrosion. To reduce the risk... |
| US-5,574,316 |
Vehicle battery disabling apparatus A vehicle battery disabling apparatus for disconnecting a battery of a vehicle including a solenoid having a retracted orientation when electrically energized... |
| US-5,574,315 |
Method and apparatus enabling emergency activated control of
electrically operated door lock and window... In event of a collision accident involving a motor vehicle having electric window regulators and power door locks, automatic and immediate door unlocking and... |
| US-5,574,314 |
Packaged semiconductor device including shielded inner walls A semiconductor device including a metal base; a first ceramic frame bonded to the metal base; a metallization layer for I/O terminals disposed on the first... |
| US-5,574,313 |
Hermetically sealed microwave integrated circuit package with ground
plane fused to package frame A hermetically sealed microwave integrated circuit (MIC) includes a motherboard with a ground plane of aluminum-silicon alloy, a plastic/ceramic composite... |
| US-5,574,312 |
Low-inductance power semiconductor module In the case of a power semiconductor module (1) according to the invention, substrates (8) having a power semiconductor assembly (2) are fitted on both sides of... |
| US-5,574,311 |
Device having pins formed of hardened mixture of conductive metal
particle and resin An electrode-pin forming mask is used to form electrode pins on the semiconductor chip. The electrode-pin forming mask has electrode-pin forming holes matching... |
| US-5,574,310 |
Semiconductor package for surface mounting with reinforcing members on
support legs A semiconductor device having a package of a single in-line type includes a semiconductor chip, a package body that accommodates the semiconductor chip therein... |
| US-5,574,309 |
Integrated circuit card comprising means for the protection of the
integrated circuit A system for protecting integrated circuits on smart cards is described. The circuit (103) is placed in a cavity (102) in a ceramic package (101). Standard... |
| US-5,574,308 |
Semiconductor device and its manufacturing method A selective growth mask having a plurality of openings is formed on a semiconductor substrate. Desired epitaxially grown regions are formed on the openings by... |
| US-5,574,307 |
Semiconductor device and method of producing the same A semiconductor apparatus has a silicon substrate sliced off from a silicon ingot produced by the pulling method or floating zone method, wherein the ... |
| US-5,574,306 |
Lateral bipolar transistor and FET A lateral bipolar transistor and method of making the transistor are disclosed. The device is made by etching a trench around a central region of a semiconductor... |
| US-5,574,305 |
Walled-emitter transistor An embodiment of the present invention is a process for semiconductor device having a silicon substrate. The process comprises positioning at least one field... |
| US-5,574,304 |
Superluminescent diode with offset current injection regions A superluminescent diode includes a semiconductor substrate of a first conductivity type. A lower cladding layer of the first conductivity type is provided on... |
| US-5,574,303 |
Semiconductor voltage sensing device The present invention provides a semiconductor device which is excellent in voltage sense characteristic and simple in manufacturing process. P diffusion regions... |
| US-5,574,302 |
Field effect transistor structure of a diving channel device This invention describes a diving channel device structure and a method of forming the diving channel device structure using deep vertical trenches formed in a... |
| US-5,574,301 |
Vertical switched-emitter structure with improved lateral isolation A vertical switched-emitter device structure in which the body of a vertical-current-flow MOS device is formed in a P-type surface epi region, and dielectric... |
| US-5,574,299 |
Semiconductor device having vertical conduction transistors and
cylindrical cell gates A semiconductor device, e.g., a DRAM, having vertical conduction transistors and cylindrical cell gates, which includes a plurality of spaced-apart trench... |
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