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| Patent # | Description |
|---|---|
| US-5,278,491 |
Constant voltage circuit This invention discloses a constant voltage circuit including a bandgap circuit connected between a ground voltage and a source voltage, a transistor, the... |
| US-5,278,490 |
One-cycle controlled switching circuit A switching circuit constructed according to the invention includes an input node, an output node, a reference node, a switch, and a feedback control circuit for... |
| US-5,278,489 |
Multi-phase switching power supply A switching power supply converts DC to DC voltages. The switching power supply has multiple phase time delayed voltage generating circuits and a single... |
| US-5,278,488 |
Process for improving the charge state of a battery arrangement in a
motor vehicle A process for improving the charge state of a motor vehicle battery arrangement having at least one battery and a generator driven by an internal combustion... |
| US-5,278,487 |
Battery conditioning system having communication with battery parameter
memory means in conjunction with... In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data... |
| US-5,278,486 |
Method of operating slip angular velocity of induction motor The present invention relates to an induction motor, and a method of adjusting slip angular velocity of an induction motor, based on the voltage, current and... |
| US-5,278,485 |
Control circuit for induction motor A control circuit for an induction motor calculates the d-axis current and q-axis current of a rotor in the motor and estimates the variation of the flux and... |
| US-5,278,484 |
Procedure and apparatus for braking a squirrel-cage elevator motor fed
by a frequency converter in fault situations A procedure and apparatus are provided for braking a squirrelcage elevator motor fed by a frequency convertor in fault situations using a direct current supplied... |
| US-5,278,483 |
Motor brake with single free wheeling diode connected in parallel with
only one partial coil of brake magnet coil A brake for a motor, particularly an alternating current motor with an electromagnetic brake is proposed for improving dynamic characteristics without increasing... |
| US-5,278,482 |
Three-phase reluctance type motor The present invention relates to a three-phase reluctance type motor with a large output torque which can be used as a driving source of various industrial... |
| US-5,278,481 |
Control of stepping motors A control circuit for a stepping motor (20) comprises a transistorised drive circuit (122) having a plurality of switching positions in each of which the drive... |
| US-5,278,480 |
Door opener control with adaptive limits and method therefor A garage door operator has a microcomputer based control which is programmed to measure door position from full open position by counting motor revolutions and... |
| US-5,278,479 |
Tool path drawing method A tool path drawing method which facilitates confirmation of the movement of a tool associated with three-dimensional machining, comprising steps of drawing, for... |
| US-5,278,478 |
Programmable PD servo-compensator A programmable PD servo compensator has the transfer function of the combination of a standard PD compensator in tandem with a second order low pass filter. The... |
| US-5,278,477 |
Drive system for a printing machine with several printing units A drive system for a printing machine with a plurality of printing units connected to one another via a gear train into which power is fed at different points by... |
| US-5,278,476 |
Display device including a black level setting circuit One of the problems in display devices is that the black level is different for each type of display tube and is also dependent on temperature and ageing. The... |
| US-5,278,475 |
Cathodoluminescent display apparatus and method for realization using
diamond crystallites Cathodoluminescent display apparatus employing an electron source including a plurality of diamond crystallites. Image display apparatus employing an array of... |
| US-5,278,474 |
Discharge tube A discharge tube having a pair of opposite electrode assemblies disposed in a discharge space defined by a peripheral wall and charged with gas, and an a.c.... |
| US-5,278,473 |
Method of despensing mercury into arc dishcharge lamp having capsule
coated with low ionization energy material A method of dispensing mercury into an arc discharge lamp containing a mercury capsule adjacent one of the coil electrodes is disclosed. The method includes the... |
| US-5,278,472 |
Electronic device employing field emission devices with dis-similar
electron emission characteristics and... An electronic device including a plurality of field emission devices exhibiting dis-similar electron emission characteristics wherein an aperture radius... |
| US-5,278,471 |
Piezoelectric ceramic transformer A piezoelectric ceramic transformer includes a high impedance portion having internal electrode layers which are opposite each other in a thickness direction in... |
| US-5,278,470 |
Homopolar machine which acts as a direct current (DC) high voltage
generator or motor A homopolar machine for producing high voltage, direct current. The machine comprises a stator which supports the homopolar machine, a plurality of excitation... |
| US-5,278,469 |
Endshield cover assembly for a motor An endshield/endshield cover assembly for an electric motor includes and endshield having a base, a circumferential wall extending upwardly from the base, and a... |
| US-5,278,468 |
Structure for a DC motor with an electronic commutation The structure for a motor having a rotor (R) and a stator (S) comprises a support hub (10) with branches (11), a sleeve (12) and if desired a cover (13), a... |
| US-5,278,467 |
Self-biasing input stage for high-speed low-voltage communication A circuit that includes a self-biased differential amplifier a level restore circuit. The output of the differential amplifier is coupled to the source pins of a... |
| US-5,278,466 |
Integrated circuit with reduced clock skew Integrated circuits in which a phase difference between the external and internal clocks can be reduced by decreasing transistor stages from the input of an... |
| US-5,278,465 |
Semiconductor integrated circuit device having ECL gate group circuits
and gate voltage control circuits A semiconductor integrated circuit device includes a plurality of ECL gate groups. Each gate group includes a plurality of ECL gates each having a constant... |
| US-5,278,464 |
Using delay to obtain high speed current driver circuit A current driver circuit (10) sources current to an output node (N4) in response to an input signal (VI) being a logic high. The current driver circuit (10)... |
| US-5,278,463 |
Bi-CMOS logic circuit with inverter feedback for high speed It is purposed to ensure both high speed operation and low power consumption in an output section of a Bi-CMOS type TTL logic circuit. For this purpose,... |
| US-5,278,462 |
Threshold crossover detector with improved digital noise rejection The detector applies an analog input signal through respectively positive and negative offset voltages to the inputs of two comparators, one of which produces a... |
| US-5,278,461 |
Integrated transistor circuit The invention relates to an integrated transistor circuit comprising a transistor (Q1) of which the collector is connected to an input of a circuit (S) and... |
| US-5,278,460 |
Voltage compensating CMOS input buffer The CMOS voltage compensating input buffer circuit of the present invention provides a means to stabilize input level trip points and is comprised of a voltage... |
| US-5,278,459 |
Static semiconductor memory using thin film FET According to this invention, there is provided a semiconductor static data memorizing apparatus including, a first power supply terminal, a second power supply... |
| US-5,278,458 |
Threshold/voltage detection circuit One aspect of the present invention includes a circuit for detecting when an input voltage exceeds a predetermined threshold. The circuit for detecting includes... |
| US-5,278,457 |
Method and apparatus for adjusting clock signal of electronic apparatus The invention relates to method and apparatus for adjusting a clock signal which is supplied to an electronic apparatus. After the turn-on of a power source of... |
| US-5,278,456 |
Process independent digital clock signal shaping network A process independent digital clock shaping network is described for generating an internal clock signal having preset high state (T.sub.on) and low state... |
| US-5,278,455 |
Spa and pool pump and heater control A control for a spa and swimming pool pump and heater assembly with diverter valves, includes a selectively actuable pump and spa heater actuator or relay having... |
| US-5,278,454 |
Emergency capacitive energy source and circuit for damper motors and
actuator motors The emergency, fail safe capacitive energy source and circuit is used in conjunction with an air damper actuator or a valve actuator. In particular, the... |
| US-5,278,453 |
Constant-voltage supply system with several constant-voltage sources A voltage supply system with a plurality of voltage outputs is supplied by at least two constant-voltage sources. One voltage output can be supplied ... |
| US-5,278,452 |
Lighting apparatus for vehicular discharge lamp Disclosed is a lighting apparatus for a vehicular discharge lamp which prevents the occurrence of an electric shock when the status of a vehicle is changed while... |
| US-5,278,451 |
Semiconductor device sealed with mold resin A semiconductor device sealed with mold resin is disclosed. The device includes a semiconductor substrate having a main surface and an element formed on the main... |
| US-5,278,450 |
Semiconductor contact with discontinuous noble metal A semiconductor device with a monocrystalline silicon body (1) is provided with a dielectric layer (2) with contact holes (3) through which the silicon body (1)... |
| US-5,278,449 |
Semiconductor memory device In this semiconductor device, contact holes extending from a lower interconnection layer containing diffusion layers at the surface of a Si substrate to an... |
| US-5,278,448 |
Semiconductor device and method of fabricating the same A semiconductor device has a multilayered metalization including a CVD tungsten film, a thin buffer layer deposited on the CVD tungsten film by sputtering, and... |
| US-5,278,447 |
Semiconductor device assembly carrier Damage to the package body and external leads of a leaded semiconductor device assembly is prevented by a carrier assembly. The carrier assembly includes a rigid... |
| US-5,278,446 |
Reduced stress plastic package A plastic package (10) with a heat sink (11, 27, 28, 32) has a stress relief wall (18, 21, 33) formed on its upper surface. A semiconductor die (12) is mounted... |
| US-5,278,445 |
Semiconductor device card having a plurality of self-locking pawls A semiconductor device card includes an electric circuit board, at least one panel having self-locking pawls formed at several places along the edge thereof, and... |
| US-5,278,444 |
Planar varactor frequency multiplier devices with blocking barrier A planar frequency tripler comprised of two semiconductor diode structures connected back-to-back by an n.sup.+ doped layer (N.sup.+) of semiconductor material... |
| US-5,278,443 |
Composite semiconductor device with Schottky and pn junctions A semiconductor device includes a diode having a Schottky barrier and a MOS transistor integrally formed in one and the same semiconductor substrate in which the... |
| US-5,278,442 |
Electronic packages and smart structures formed by thermal spray
deposition A smart structure or an electronic package is formed by thermal spraying utilizing a plurality of masks positioned and removed over a work surface in accordance... |
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