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| Number | Title | Issue Date |
| 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 |
| 7118240 | Inductively powered apparatus An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe... | 10/10/2006 |
| 7084743 | Machine for automated generation of movement of chimes A machine for automated generation of movement of chimes with a base, an power source in the base electromagnetically connected to a post, chimes disposed about the post for receiving electromagnetic energy, a control circuit for generating intermittent electric pow... | 08/01/2006 |
| 7038586 | Vehicle horn actuation mechanism and method A horn actuation mechanism senses a deliberate movement of a driver's hand on a side of a steering plane distant from the driver, the steering wheel plane lying crossswise a rotational axis of the steering wheel and approximating a plane bisecting a peripheral gripp... | 05/02/2006 |
| 7023325 | Programmable electronic circuit A programmable electronic circuit is disclosed. The circuit includes a CPU, signal-generating circuitry, and RC circuitry having at least two capacitors, such that when both of the capacitors are switched into the RC circuitry by the CPU, a signal is produced from a... | 04/04/2006 |
| 7009098 | Water activated chiming device Upward flowing water through a riser from a reservoir excites a freely suspended striker displacing it from its gravitational resting position to make chaotic contact with encircling resonating elements attached to a mounting plate in order to produce tones of rando... | 03/07/2006 |
| 6995659 | Sound generating transducer A sound transducer comprises at least one sound unit based on at least one radially sound emitting diaphragm arranged in a substantially cylindrical or tubular form, the diaphragm including electromechanically converting material capable of creating sound by changin... | 02/07/2006 |
| 6768416 | Machine for automated generation of movement of chimes A machine for automated generation of movement of chimes with a base, an power source in the base electromagnetically connected to a post, chimes disposed about the post for receiving electromagnetic energy, a control circuit for generating intermittent electric pow... | 07/27/2004 |
| 6750760 | Door chime assembly and method Some embodiments of the present invention enable a user to select from different appearances and sound types by providing different door chime assembly housing covers. The housing covers can be different in shape, size, appearance, and/or acoustic property, and pref... | 06/15/2004 |
| 6559367 | Electronic windchime device The present invention offers an adjustable, versatile windless windchime activation device, which can be modified to accept and activate many different varieties of windchime assemblies. The magnetic repulsive force between an electromagnet located within... | 05/06/2003 |
| 6417763 | Machine for automated generation of movement of chimes A machine for automated generation of movement of chimes with a base, an power source in the base electromagnetically connected to a post, chimes disposed about the post for receiving electromagnetic energy, a control circuit for generating intermittent e... | 07/09/2002 |
| 5986541 | Motor driven bell A motor driven bell for producing a sound of a bell in a manner that a hammer member hits a gong through the use of a driving force of a motor. The motor driven bell comprises a supporting shaft A1 born on a front side between a pair of opposed frames, a ... | 11/16/1999 |
| 5959527 | Time triggered chime A chime activated by a clock to sound a pleasing sound every hour, by attaching a clock to an electrical controller that operates a striker mechanism. The striker mechanism, comprising a striker ball that strikes the chime elements when rotated provides a... | 09/28/1999 |
| 5831516 | Electromechanical chime The present invention relates to an electromechanical wind chime. The chime includes a disk from which a hammer assembly is suspended. Additionally, a plurality of tubular chimes are suspended from the disk and surround the hammer assembly. The hammer ass... | 11/03/1998 |
| 5764154 | Passive non-energized earthquake detector An earthquake alarm that does not require batteries or other external power supply that supplies an audio alert with sound waves that can be detected by a human being, particularly useful in a bedroom to awaken a human being to notify them of an earthquak... | 06/09/1998 |
| 5748074 | Electronic door chime A circuit for actuating a door chime has a dc power source in series with a resistor and in shunt with a capacitor. A remote push button transmits a radio signal to the circuit, to connect a solenoid in series with the power source and the resistor and in... | 05/05/1998 |
| 5668527 | Doorbell base A doorbell base is made integrally and composed of a receiving frame having a frame plate for fastening a PC board, a plurality of locating protuberances for fastening a plurality of striking devices, a plurality of receiving slots for locating batteries ... | 09/16/1997 |
| 5659286 | Doorbell base A doorbell base is made integrally and is provided with two resonators and a hollow housing located between said two resonators. Each of two resonators is provided respectively at two opposite side walls thereof with a locating projection for locating a s... | 08/19/1997 |
| 5587697 | Chime alarm apparatus A chime alarm apparatus having a housing having an axis and adapted to be suspended from rigid support. A first elongate annular member having upper and lower ends is suspended at its upper end from the housing and is substantially coaxial therewith, wher... | 12/24/1996 |
| 5561413 | Sound generator The sound generator comprises a pipe gong and a hammer device for striking the pipe gong. The hammer device comprises a leaf spring whose bottom end is fixed, a hammer head installed on the upper end of the leaf spring, and a solenoid-type hammer driving ... | 10/01/1996 |
| 5519375 | Sound generator A gong holder is secured to a resonance box. A first end of each of gong sticks is secured to the gong holder. Solenoid type hammer devices drive rod hammers that are movably disposed in a direction perpendicular to the gong sticks so that the rod hammers... | 05/21/1996 |
| 5508680 | Solderless solenoid assembly for use in an electrical signaling device A solderless solenoid assembly, preferably for use in an electrical signaling device. The solenoid assembly is formed by wrapping conductive wire around a bobbin, forming a solenoid coil. A plurality of terminal displacement slots are attached to the bobb... | 04/16/1996 |
| 5473307 | Transducer apparatus responsive to external perturbation Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (30... | 12/05/1995 |
| 5469132 | Transducer apparatus responsive to external perturbation Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (30... | 11/21/1995 |
| 5420564 | Door chime assembly Door chime assembly includes a chime base having a rear plate and at least one resonance chamber secured to said rear plate, a tone bar within the chamber and a striking means mounted on the plate for striking the tone bar. The chime base is molded in a s... | 05/30/1995 |
| 5072208 | Electromechanical chaotic chiming mechanism An electromechanical chaotic chiming mechanism, analogous to the classical wind or water powered chime, includes a body or framework suspending a series of chimes with a pendulum suspended centrally among the chimes. A drive mechanism for the pendulum inc... | 12/10/1991 |
