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Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.
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| Number | Title | Issue Date |
| 7221558 | Galvanically isolated delivery of power to high voltage circuits parts A high voltage switching apparatus delivers kV pulses to a load such as a magnetron. The switching apparatus comprises a switching stack surrounded by capacitors and both arranged within a housing. Lt power is supplied to the stack, e.g. for control electronics, by ... | 05/22/2007 |
| 7180248 | Inductively coupled ballast circuit A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal... | 02/20/2007 |
| 7153178 | Method of manufacturing a lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in series with the lamp an... | 12/26/2006 |
| 7071838 | Coupling signals via a coupling arrangement A power supply controller has two control units for coupling to primary and secondary sides of controlled power supplies, the units being coupled via a transformer which couples signals between the units, a power supply voltage for the secondary-side unit being deri... | 07/04/2006 |
| 6943532 | Voltage control apparatus for vehicle generator having a light emitting diode A voltage control apparatus 1 for a vehicle generator 2 has an input terminal L for inputting the voltage of a battery 5 through an ignition switch 3 and a light emitting element (light emitting diode 4) connected in series with th... | 09/13/2005 |
| 6917163 | Inductively powered lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The inductively powered lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in ser... | 07/12/2005 |
| 6911746 | Signal and power transformer coupling arrangements An isolating coupling arrangement couples signals in both directions via a transformer between first and second (or more) units each having differential signal transmit buffers and receivers. A diode bridge and capacitor produce an isolated power supply voltage for ... | 06/28/2005 |
| 6906495 | Contact-less power transfer A system and method for transferring power does not require direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar surface having at least one conductor that generates an electromagnetic field when a... | 06/14/2005 |
| 6188144 | Power supply unit for pulsed laser using magnetic switch A plurality of series circuits of saturable reactors and transferring capacitors are connected in parallel to a peaking capacitor, the plurality of saturable reactors are magnetically coupled, and saturable reactors for finely adjusting a transfer initiat... | 02/13/2001 |
| 6111731 | Motor controller for preventing excessive battery discharging A motor controller for a battery-powered electric motor automatically disables the motor when the battery voltage (1) remains below a first, higher level for a longer time when the motor is off, or (2) remains below a second, lower level for a longer time... | 08/29/2000 |
| 6069413 | Apparatus for generating an alternating magnetic field An apparatus for producing an alternating magnetic field by arraying a plurality of charged storage elements e.g. capacitors and a plurality of connecting elements e.g. transistors spatially around a physical area of magnetic field generation and in such ... | 05/30/2000 |
| 5949155 | Non-contact electric power transmission device A non-contact electric power transmission device comprising a feeding member which includes an induction coil to which electric power is applied and the non-contact electric power transmission device further comprising a plurality of fed members which eac... | 09/07/1999 |
| 5895983 | Flash charging circuit A flash charging circuit has first and second transistors (TR1, TR2) which are connected to opposite terminals of a primary coil of a transformer, a battery is connected to a center tap provided in a middle portion of the primary coil, and first and secon... | 04/20/1999 |
| 5734544 | Solid-state pulse generating apparatus and method particularly adapted for ion implantation A relatively wide d.c. pulse generating system providing rise times normally attainable only with much narrower pulse width generation, comprising a plurality of sequentially operated groups of d.c. pulse generating modules achieving the combination of ze... | 03/31/1998 |
| 5537044 | Surge voltage generator for pulsing grounded and ungrounded electrical equipment A coupling circuit receives a high voltage surge wave and injects it into e or more power lines of a single-phase or three-phase power supply circuit, either line-to-line or line-to-ground. The coupling circuit may have a surge coupler including a series ... | 07/16/1996 |
| 5495209 | Switched-inverter modulator for producing modulated high voltage pulses A switched-inverter modulator for use in driving a load that comprises master and slave high voltage power supplies for providing output pulses that directly drive the load. A synchronized pulse generator provides pulse width tinting and synchronized ampl... | 02/27/1996 |
| 5412254 | High voltage pulse generator A high voltage pulse generator for providing a high voltage pulse across a dielectric switch comprises a main high voltage pulse generator, an energy storing pulse forming line connected at one end to the main pulse generator and connected at the other en... | 05/02/1995 |
| 5399913 | Gate-drive circuit A gate-drive circuit (10) is an interface between a clock (12) and control circuit (14) and a circuit (16) comprising an isolated gate bipolar transistor (IGBT) devices. The clock (12) provides two complementary clock signals (CLK1, CLK2) to the gate-driv... | 03/21/1995 |
| 5399910 | High voltage/current pulse generator using spark gaps A high voltage/high current electric pulse generator. Spark gap switches (E1, E2, E3) having a trigger electrode are connected to a trigger control circuit (CD). Switch (E1) is connected between the outer conductor of cable (C2) and an inner conductor of ... | 03/21/1995 |
| 5157272 | Pulse forming networks In a pulse forming electrical circuit suitable for use with a gas discharge laser having continuously falling impedance, there is provided a saturable inductor operable to cause the output impedance of the circuitry to vary with the current drawn by the l... | 10/20/1992 |
| 5006725 | Pulse generator for use in an integrated circuit A pulse generating unit including a delay unit for delaying an input signal of the pulse generating unit and a comparator unit for comparing an output signal of the delay unit with the above mentioned input signal, wherein the delay unit comprises one inv... | 04/09/1991 |
| 4928020 | Saturable inductor and transformer structures for magnetic pulse compression Saturable inductor and transformer for magnetic compression of an electronic pulse, using a continuous electrical conductor looped several times around a tightly packed core of saturable inductor material.... | 05/22/1990 |
| 4908524 | High voltage pulse power converter A high voltage pulse power converter comprises a modified type E pulse charging network (74) in series with a nonlinear magnetic switch (76). The network comprises a ladder of charging elements (78) each of which comprises a shunt section of a pulse charg... | 03/13/1990 |
| 4881039 | Transducer and related circuitry In this transducer, for converting an analog input signal into an analog output signal whose level corresponds to the level of the analog input signal, there are included: an A/D converter for converting the analog input signal into a digital signal; an i... | 11/14/1989 |
| 4868505 | High voltage impulse wave generator for testing equipment A generator for subjecting an electrical apparatus to a surge voltage. The generator includes a surge voltage generator, a line isolation surge filter, wave shaping circuits and a rectifier coupling network for coupling the surge voltages in shunt with th... | 09/19/1989 |
| 4859868 | Electric fence energizer This invention relates to an electric fence energizer, including: two or more transformers, the primary windings of said transformers being connected to the main circuitry of the energizer and the secondary windings of the transformers being connected to ... | 08/22/1989 |
| 4837456 | Pulse generator A pulse generator having a plunger for actuating several contacts. The plunger is guided in a housing and is slidable in the direction of and rotatable about its longitudinal axis against the action of a spring and is provided with at least one actuating ... | 06/06/1989 |
| 4823020 | High voltage pulse top clipper with precise regulation of clipping level A high voltage pulse clipper for stabilizing the amplitude of successive pulses applied, for example, as modulator pulses to a microwave transmitter. A source of such pulses has its output connected across a capacitor through a series diode whereby the ca... | 04/18/1989 |
| 4812673 | Print pulse control circuit for electrostatic fluid jet applicator A print pulse control and driver circuit for an electrostatic fluid jet applicator is provided which promotes enhanced image quality by adjustably controlling the rising and falling edge duration of print pulses that are applied to the applicator's charge... | 03/14/1989 |
| 4803378 | Pulse generator A pulse generator comprises a capacitor, means for periodically discharging the capacitor to generate pulses of electricity and means for recharging the capacitor between pulses. Means is included for sensing a residual reverse polarity charge on the capa... | 02/07/1989 |
| 4782242 | Circuit arrangement for generating high voltage pulses A circuit arrangement for generating high voltage pulses from DC voltage. The circuit includes a transformer comprising at least two primary windings and secondary windings, in which the primary windings are serial connected with at least one diode, a swi... | 11/01/1988 |
| 4777382 | Pulse width logic/power isolation circuit A circuit is disclosed which provides power isolation between the initializing and driven circuit, allowing the logic of a wide pulse width signal to be effectively transmitted across pulse transformers and faithfully reproduced.... | 10/11/1988 |
| 4767999 | Method of and apparatus for radio-frequency generation in resonator tank circuits excited by sequential pulses of alternately opposite polarity A method of and apparatus for exciting harmonic generation of radio frequency in a tank resonant circuit by bipolar spaced, half-cycle pulses, wherein the period of the tank resonant frequency oscillations is 1/N the period between successive pulses of si... | 08/30/1988 |
| 4766328 | Programmable pulse generator The present invention discloses a programmable pulse generator comprising a digital information processing system generating first and second program-controlled signals; a first digital-to-analog converter coupled to the digital information processing sys... | 08/23/1988 |
| 4733102 | Phase angle regulated rectifier and pulse producing system An impulse high voltage generator includes a step-up transformer for stepping up a voltage from an AC power source, a thyristor connected with a primary winding of the transformer for controlling the AC voltage from the AC power source by a firing angle, ... | 03/22/1988 |
| 4721863 | Circuit for providing DC isolation between a pulse generator and a load A circuit for providing a DC isolation between a pulse generator (E) and a load (CH) of the kind comprising a primary circuit (2), a secondary circuit (4) and at least one magnetization current elimination circuit (12) on the secondary side, characterized... | 01/26/1988 |
| 4684821 | Reset circuit in a magnetic modulator In a magnetic modulator circuit (13) for a radar system, a switching reactor arrangement comprising a switching reactor (17) including input and output coils (respectively 16 and 36), the low side (16') of the input coil (16) being electrically connected ... | 08/04/1987 |
| 4622474 | Alternating-current filter circuit arrangement In this three-phase filter circuit system for static converter systems and particularly high-voltage direct-current short ties, at least two high-pass filters are provided which are connected in parallel. Each high-pass filter consists of a choke connecte... | 11/11/1986 |
| 4614878 | Pulse generator An apparatus and method is disclosed that produces a high powered sub-microsecond pulse. The present invention utilizes a set of parallel high speed switches and drivers to switch a Darlington Pulse forming network that is charged by a resonant charging c... | 09/30/1986 |
| 4477746 | Microwave-triggered laser switch A high-repetition rate switch for delivering short duration, high-power electrical pulses from a pulsed-charged dc power supply. The present invention utilizes a microwave-generating device such as a magnetron that is capable of producing high-power pulse... | 10/16/1984 |