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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 7369391 | Drive circuit of direct-current voltage-driven magnetic contactor and power converter In a direct-current voltage-driven magnetic contactor, a main contact is in an open circuit condition in an attraction period of an initial period of excitation by an operating coil, and in a closed circuit condition in a subsequent holding period, and a drive circu... | 05/06/2008 |
| 7348689 | Switching circuit and a method of operation thereof This invention relates to the operation of a switching circuit, such as a bridge circuit. The invention provides a method of generating pulsed first and second switching signals for switching first and second switches of a switching circuit further comprising an out... | 03/25/2008 |
| 7349193 | Solenoid driver with high-voltage boost and reverse current capability Prior to the operation of a solenoid type of fuel injector, a DC voltage is applied across the injector to create a current through the injector that is below the activation current of the injector. A capacitor is then placed in series with the injector and the flyb... | 03/25/2008 |
| 7349192 | Method of operating a device for controlling electric actuators with optimum actuation current distribution There is described a method of operating a device (1) controlling electric actuators (3), and having a pair of input terminals (4, 5) connected to an electric energy source (6, 10); a number of pairs of output terminals (7, 8), bet... | 03/25/2008 |
| 7331265 | Electromagnetic punch presses with feedback device An electromagnetically driven punch press is described. The punch press has an engine plate and a die set and a ram between the engine plate and die set. The engine plate has an assembly fixed thereto having a solenoid with windings that create a magnetic field when... | 02/19/2008 |
| 7295417 | Electromagnetic valve actuation with series connected electromagnet coils Systems and methods for valve actuation use series-connected coils of upper and lower electromagnets acting as electromagnetic generators that attempt to maintain a constant magnetic flux, while their forces are essentially independent. A valve controller initiates ... | 11/13/2007 |
| 7248453 | Circuit and method for controlling current flow through a solenoid A solenoid control circuit that includes two switching networks that are selectively opened and closed in a current limit cycle to control the magnitude of the current flowing through the solenoid. The configuration of the switching networks is such that current flo... | 07/24/2007 |
| 7188591 | Power supply method for electrical equipment A power supply method an apparatus for powering electrical equipment, the electrical equipment operated by using current peaks. The electrical equipment may be connected via at least one capacitive element to a voltage converter which may be connected to a storage b... | 03/13/2007 |
| 7154729 | Solenoid drive apparatus In a solenoid driving device of the type in which energy stored in a capacitor is used for re-driving of the solenoid, the generation of heat in a current back-flow preventing circuit preventing the back-flow of current to a power supply terminal is suppressed, and ... | 12/26/2006 |
| 7144053 | Electric strike assembly An electric strike includes a housing and a two-position mode selector for selecting a mode of the electric strike. Specifically, the two-position mode selector is operable from outside the housing, and the two-position mode selector is configured to allow the elect... | 12/05/2006 |
| 7090526 | Lead-through terminal Lead-through terminal with a terminal casing (1) made of insulating material, at least one metallic outer conductor connecting element (3) arranged in the terminal casing (1) or protruding out of the terminal casing (1) and at least one m... | 08/15/2006 |
| 7068134 | Electromagnetic work coil An improved electromagnetic work coil for use with an electromagnetic force machine that produces a pulling (tension) force on a conductive panel work piece. The electromagnetic work coil comprises a coil with insulated conductor windings passing through a clamped s... | 06/27/2006 |
| 7057870 | Inductive load driver circuit and system A circuit and system is disclosed for driving one or more inductive loads, or one or more electrical loads including one or more inductive components. A control computer is configured to selectively supply a boost voltage to the one or more inductive loads, and to c... | 06/06/2006 |
| 7057871 | Actuation circuit for an electromagnetic actuator The actuation circuit for an actuator (10) includes an energy store (11) arranged near the actuator (10). The energy store (11) is configured such that it instantaneously discharges in response to a trigger signal, wherein the discharge c... | 06/06/2006 |
| 6995984 | Method for producing a large-mass ohmic resistor for protecting electronic assemblies from surges, and an electronic assembly The invention relates to an electronic assembly, in particular for low power consumption electric switching devices such as low power contactors, time relays or the like. In order to provide protection against input current pulses, an ohmic resistor (6) is pr... | 02/07/2006 |
| 6970065 | Transformer and transformer unit having the same It is an object to decrease an occupied space in a printed board to carry out space saving and to reduce the size of a unit without sacrificing the performance of a transformer and increasing a cost. A transformer 11 is constituted by a bobbin 13 | 11/29/2005 |
| 6966760 | Reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 11/22/2005 |
| 6932064 | Capacitor discharge ignition A capacitor discharge ignition (CDI) system includes a trigger circuit that generates a trigger signal in synchronism with operation of an engine for discharging an ignition capacitor. A timing circuit is connected to the trigger circuit for controlling the timing o... | 08/23/2005 |
| 6924965 | Electro magnetically-operated device, and a method of operating the same An electromagnetically operated device has an electromagnet including a magnetic guide having a movable armature and at least one air gap, a magnetizing coil provided on the magnetic guide, the magnetic guide having at least a part formed as an insert of a magnetica... | 08/02/2005 |
| 6900973 | Electromagnetic load drive apparatus A drive apparatus supplies electric power to a solenoid of an inductive load from a battery and a capacitor to improve response of the load. The drive apparatus comprises switches for switching between a first state where a negative side of the battery is connected ... | 05/31/2005 |
| 6850139 | System for writing magnetic scales The invention relates to a system for pulse magnetizing high-precision magnetic scales. The system comprises a shaped current conductor (1) and a pulse current source (2) that is composed of a capacitor bank (3), a transfer switch (4) and... | 02/01/2005 |
| 6657845 | Circuit for driving a solenoid A series circuit including a diode for refluxing and a capacitor is connected in parallel to a solenoid coil, and a light-emitting diode is connected in parallel to the capacitor. A negative voltage appearing across the solenoid coil because of an induced... | 12/02/2003 |
| 6657846 | Electromagnetic injection valve An electromagnetic injection valve is proposed. The electromagnetic valve includes two magnetic coils that are wound in opposite directions and have the same characteristics on the same magnetic circuit, causing the forces of the magnetic coils to cancel ... | 12/02/2003 |
| 6635994 | Method and apparatus for demagnetizing color CRT By passing electric current through a degaussing coil within a vertical retrace period, a displayed image is prevented from disturbance and yet color blurs on the way of degaussing process are made indiscernible. In the process of discharging charges fill... | 10/21/2003 |
| 6577488 | Inductive load driver utilizing energy recovery An inductive load driver having an inductive load and a bridge circuit connected in parallel with the inductive load, wherein the bridge circuit generates a current to the inductive load that rapidly rises.... | 06/10/2003 |
| 6542348 | Method and system for driving a magnetizing fixture A method and system for driving a magnetizing fixture. A driving circuit produces in the conductor of a magnetizing fixture a first current whose magnitude increases substantially linearly with time, then produces a substantially constant current in the s... | 04/01/2003 |
| 6510036 | Method and apparatus to eliminate inadvertent horn activation A horn activation system, which activates a switch for driving a horn, the horn activation system includes a discriminating device that discriminates between the forces being applied to the switch. The discrimination device connects the switch to a power ... | 01/21/2003 |
| 6407593 | Electromagnetic load control apparatus having variable drive-starting energy supply In an electromagnetic injector control apparatus for an engine, a capacitor is connected to a power supply and a solenoid of an injector for accumulating electric charge at a voltage higher than that of the power supply. A driving circuit controls transis... | 06/18/2002 |
| 6371801 | Arrangement for fastening a plug, and a plug The invention relates to an arrangement for fastening a plug into the edges of an opening of a case. In the arrangement of the inventions the plug includes, in connection therewith, fastening portions and grooves of varying depths for fastening the plug i... | 04/16/2002 |
| 6363895 | Device for controlling a regulator An actuator comprises a gas exchange valve and an electromagnetic actuating drive, having at least one electromagnet which has a coil, having an armature, whose armature plate can move between a first bearing surface on the electromagnet and a second bear... | 04/02/2002 |
| 6285151 | Method of compensation for flux control of an electromechanical actuator A method of controlling velocity of an armature of an electromagnetic actuator as the armature moves from a first position towards a second position is provided. The electromagnetic actuator includes a coil and a core at the second position. The coil gene... | 09/04/2001 |
| 6218831 | Low power fluxgate circuit with current balance The present invention is a system for cyclically driving an electrical current through at least one non-linear (i.e., saturable) inductor in alternating directions so as to produce a substantially periodic current waveform, and for producing an output sig... | 04/17/2001 |
| 6205012 | Apparatus for altering the magnetic state of a permanent magnet An apparatus (10) for altering the magnetic state of a permanent magnet comprises a coil inductor (26) for generating and applying an induced magnetic field to the permanent magnet. The coil inductor (26) is provided in circuit between two charge storage ... | 03/20/2001 |
| 6123058 | Injector drive circuit An injector drive circuit capable of driving an injector of an internal combustion engine without using a DC-DC converter expensive. The injector drive circuit includes a power circuit for converting a voltage outputted from a magneto mounted on the engin... | 09/26/2000 |
| 6061226 | Relay circuit with cyclical controlled capacitor There is proposed a circuit for operation of at least one relay having an OFF-position and an ON-position, wherein the relay assumes the OFF-position in the event of a component failure of any element of the circuit. In the ON-position of the relay a capa... | 05/09/2000 |
| 6057750 | Magnet device with double fixing positions for changing the magnetic circuit A magnet device with double fixing positions for changing the magnetic circuit is provided, and includes an external housing whose inner edge is fitted with a coil The inside of the external housing includes a space for the axial movement of an iron core.... | 05/02/2000 |
| 6021038 | Control circuit for an electric door strike using a latching solenoid A control circuit for a latching solenoid incorporated in an electric door strike, the latching solenoid permitting the use of low power control pulses and the control circuit insuring reliable fail safe or fail secure operation with ready conversion betw... | 02/01/2000 |
| 5994929 | Driver for display panel A capacitive load drive is provided, which can perform faster and more efficient operation than an energy recovery circuit for effectively reducing ineffective energy of pulses applied to a capacitive load. An energy recovery circuit is connected to a fir... | 11/30/1999 |
| 5959826 | Control device for an electromechanical contactor-circuit breaker type device with separable power contacts A control device for an electromechanical circuit breaker device. The device includes a bistable type electromagnet to deliberately control power contacts and a monostable trip electromagnet to open the contacts in case of a fault. The bistable electromag... | 09/28/1999 |
| 5952738 | Switching circuit for an inductive load In a circuit, switch (1) switches a current from a reference voltage terminal through an inductive element (3). The energy stored in the magnetic field associated with the inductive element when a current is flowing is transferred on interruption of the c... | 09/14/1999 |
