Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7778529 | Method for supplying electrical power to a DC motor which can be commutated electronically via a semiconductor power output stage A method is proposed for supplying electrical power to a DC motor (16) which can be commutated electronically via a semiconductor power output stage (28), preferably a three-phase DC motor, through which a control unit (22) passes current in blo... | 08/17/2010 |
| 7370508 | Rotor position detection in an electrical machine An electrical machine has a rotor position transducer which provides output signals to a control system. The output signals contain errors due to component shortcomings and manufacturing imperfections. An apparatus is disclosed which is able to determine the errors ... | 05/13/2008 |
| 7369378 | Electric motor driving apparatus A surge protective circuit and a noise filter circuit are provided in a power-supplying line, the surge protective circuit is adapted for protecting a switching device from surge voltage generated during operation of an electric motor and the noise filter circuit is... | 05/06/2008 |
| 7368891 | Charge control method of capacitor in thyristor converter Charging time of a capacitor is shortened while avoiding erroneous firing due to distortion of a power supply voltage and sustaining an inrush current at a constant level. In the charge control method of a capacitor in a thyristor converter comprising a thyristor fo... | 05/06/2008 |
| 7298967 | Electromagnetic sensor direct communication algorithm to a digital microprocessor A method of interfacing an electromagnetic sensor with a controller in a motor control system, the method including: applying an excitation signal to the electromagnetic sensor; receiving a first electromagnetic sensor output signal based on the excitation signal, t... | 11/20/2007 |
| 7265516 | Linear electric motor controller and system for providing linear control The invention relates to a method of, and system for, linear speed control for an electric motor, in which a digital to analog converter means is used for converting an 8-bit digital signal to an analog voltage for setting voltage across a motor, a digital state mac... | 09/04/2007 |
| 7260319 | Abnormality monitoring device for motor control system An abnormality monitoring device monitors a PWM driving signal output from a driving section of an associated motor control system to judge whether the driving section is operating abnormally. By monitoring the output of the driving section, the monitoring device ca... | 08/21/2007 |
| 7190137 | Method to control an electronically commutated motor and motor controller The invention relates to a method to control an electronically commutated motor in which the motor current is influenced as a function of an operating parameter of the motor. According to the invention, the motor current is adaptively switched as a function of the o... | 03/13/2007 |
| 7180256 | Electronically controlled power steering system for vehicles and method and system for motor control A power steering device capable of obtaining a high rotary speed in the medium low torque range of an electric motor without incurring a drastic increase in manufacturing cost. The power steering device generates an auxiliary steering power by oil pressure that is g... | 02/20/2007 |
| 7102314 | Brushless motor control apparatus having overheat protecting function A brushless motor control apparatus detects a phase current flowing in a brushless motor, converts the phase current to a vector current including a d-axis current of a magnetic flux direction component and a q-axis current of a torque direction component orthogonal... | 09/05/2006 |
| 7095952 | Method for optimizing the efficiency of a motor operated under a load The invention relates to a method to optimize the efficiency of a motor operated under a load having an essentially quadratic characteristic curve, the motor being connected to a motor control with whose aid at least one free motor parameter w can be changed to infl... | 08/22/2006 |
| 7084594 | Motor drive control apparatus and method having motor current limit function upon motor lock A direct current motor for an engine throttle control is driven with a motor current of 100% duty ratio, when a throttle valve is to be moved from one throttle position to another or when the movement of the throttle valve is to be braked. The motor current is limit... | 08/01/2006 |
| 7062160 | Monitoring current in a motor during acceleration to verify motor frequency lock Method and apparatus for accelerating a motor from an intermediate velocity to a final operational velocity. The motor is accelerated from rest to the intermediate velocity through application of fixed duration drive pulses to the spindle motor. Once the motor reach... | 06/13/2006 |
| 7030583 | Method for the commutation of brushless direct current motor A method for the commutation of a brushless direct current motor having at least one motor winding in which the position of the rotor with respect to the stator is determined, a commutation signal is generated from the position, and the motor winding is energized by... | 04/18/2006 |
| 7019473 | Noiseless driving circuit for DC motor A noiseless driving circuit for direct current (DC) motor is disclosed. The driving circuit uses a magnetic-field sensing circuit with a Hall sensor to sense the corresponding position of the permanent magnet rotor. According to the corresponding position of the per... | 03/28/2006 |
| 6995534 | Method of controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method A method is disclosed for controlling the commutation in an electronically commutated motor (20) which comprises a stator having at least one phase (24, 26), and a permanent-magnet rotor (22), and with which a current limiter (36, 58) and... | 02/07/2006 |
| 6972534 | Delay compensation for stable current regulation when using variable-delay random PWM switching A control system for an electric machine having a rotor position sensor that generates a rotor position signal, a velocity module that generates an electric angular velocity value based on the rotor position signal, a random pulse width modulation module that genera... | 12/06/2005 |
| RE38486 | Electric motor control circuit An electric motor control circuit that prevents lowering of a motor's rotation speed when a load is applied in the case where a rotation speed is adjusted within a range that doesn't exceed a predetermined upper limit of rotation speed. When a base current of a tran... | 04/06/2004 |
| 6697570 | Rotary electrical hand-tool device and startup safety routine An electrical hand-tool device and start-up safety routine protecting against start-up blockages, in which an electrical motor is connected, for a short time span (T0), with the current supply at a determinable resistance. At least one of a lim... | 02/24/2004 |
| 6646408 | Method for controlling operating of switched reluctance motor (SRM) A method for controlling driving of a Switched Reluctance Motor (SRM) is capable of operating the SRM normally according to a phase under the normal state in case a noise is inputted to a position sensor in the SRM. In order to achieve the advantage, the ... | 11/11/2003 |
| 6380702 | Commutator motor control system The invention relates to a control system for a commutator motor which is operated by phase-fired control. Allocation of a first and second control device in a single operating state without transition makes it possible to obtain constant jolting rotation... | 04/30/2002 |
| 6252362 | Method and apparatus for synchronizing PWM sinusoidal drive to a DC motor A method and circuit for operating a polyphase dc motor in which discontinuous sinusoidal drive voltages are applied to the windings of the motor in predetermined phases. The discontinuous portion of the sinusoid is timed with the bemf zero crossings. Bem... | 06/26/2001 |
| 6060850 | Electric motor control circuit An electric motor control circuit that prevents lowering of a motor's rotation speed when a load is applied in the case where a rotation speed is adjusted within a range that doesn't exceed a predetermined upper limit of rotation speed. When a base curren... | 05/09/2000 |
| 6031966 | Motor speed control device The motor speed control device of the present invention is provided with an FG sensor and a waveform shaping circuit for obtaining N pulse signals (Nࣙ1 where N is an integer) in one rotation of a motor so as to control the rotation speed of the motor in... | 02/29/2000 |
| 6006008 | Motor drive system controlled by a phase accumulator and method therefor A high resolution speed control for a DC or BLDC phase-locked-loop (PLL) motor is provided. A phase accumulator sends a time varying frequency reference to the PLL input, where the average frequency sets the motor speed with a high degree of accuracy. A p... | 12/21/1999 |
| 5900709 | Rotation control device In a rotation detection apparatus, a magnetism pattern section provided with plural magnetic poles and a FG (frequency generating) pattern section provided with plural toothed wire circuits are located so as to face each other. When either one of the magn... | 05/04/1999 |
| 5859511 | Motor with input-controlled high side driver A circuit for operating a polyphase DC motor, such as the type having a plurality of "Y" connected stator coils, has circuitry for charging the coils at a rate which will reduce EMI and other noise, while maintaining an acceptable charge rate. The gate of... | 01/12/1999 |
| 5847524 | Constant speed control for a motor A motor having a power switching circuit adapted to be connected between a power source and its winding for selectively energizing the winding to generate a magnetic field which causes a rotating assembly to rotate. A position sensing circuit provides a p... | 12/08/1998 |
| 5774626 | Programmable dual-phase digital motor control with sliding proportionality A digital motor control is described which is programmable and has dual digital phase with sliding proportionality such that the motor control adaptively alters a speed of a motor by both changing sign and altering motor speed proportionally to an amount ... | 06/30/1998 |
| 5739651 | Apparatus and method for driving and controlling brushless motor A brushless dc motor having 3-phase stator windings and a permanent-magnet rotor is driven on a dc voltage through a 3-phase electronic switching circuit. Back emf voltages across the stator windings are individually phase-delayed and the phase-delayed vo... | 04/14/1998 |
| 5656908 | Negative coefficient filter for use with AC motors A method and apparatus to be used with the motor controller for reducing phase shift between the feedback signal and the correction signal. Wherein the feedback signal is compared by the controller to a reference signal to provide the correction signal us... | 08/12/1997 |
| 5655054 | Motor speed detecting device A device for detecting the speed of a plural-phase motor in which a speed deviation occurring every m periods is eliminated, to provide a speed detection signal high in accuracy at low cost. The motor speed detecting device in which, among drive signals d... | 08/05/1997 |
| 5646497 | Switching arrangement for controlling the rpm of electric motors A switching arrangement for controlling the rpm constancy between idling and full power of universal motors in electric tools has a phase-shift control (IC) which, for setting the set value, is connected at an output via an adjusting resistor with a tap o... | 07/08/1997 |
| 5642461 | Economical wide range speed control system A speed control system is disclosed wherein a brushless DC motor and a magneto resistive encoder are able to rotate a motor at arbitrarily low speeds. The motor is able to rotate at low speeds by having a filtered signal generated by an encoder applied to... | 06/24/1997 |
| 5572099 | Motor speed control with current limit A phase-locked loop (or frequency-locked loop) based circuit for controlling the drive applied to a DC polyphase motor is disclosed. The disclosed circuit includes a clamp circuit, connected to the input of the motor drive amplifier, for limiting the curr... | 11/05/1996 |
| 5521481 | Speed estimation observer applied to speed control system for motor A speed estimation observer for a motor control system outputs a motor speed estimate in a motor speed control system upon receiving a torque command and an averaged motor speed value. The speed estimation observer includes a time lag correction value cal... | 05/28/1996 |
| 5510683 | Motor speed control device A motor speed control device, preferably for use in a camera, controls a motor to rotate at a constant speed in accordance with a pulsed signal output from a motor speed detector, such as a photointerrupter. To overcome the control problems that occur whe... | 04/23/1996 |
| 5375186 | Device for speed stabilization of a motor employing phase comparison An apparatus for stabilizing the speed of a motor has a phase comparator that identifies a phase difference between a reference signal and a speed signal. The apparatus acquires the speed of the motor and generates an output signal proportional to the ide... | 12/20/1994 |
| 5345532 | Rotation drive device A rotation drive device for driving a rotator is disclosed, comprising an electric motor for driving the rotator, a phase detecting circuit for detecting the phase of rotation of the rotator, a reference signal source for forming a reference signal of a c... | 09/06/1994 |
| 5335189 | Rotation phase control device In a rotation phase control device which forms phase control information by carrying out at least an integrating process on phase error information obtained according to a phase difference between a rotation phase detection signal indicating the rotation ... | 08/02/1994 |