Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
PatentStorm News
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 |
| 7194104 | Universal audio speaker connection block A speaker interconnection block with two voice coils to be driven with separate amplifiers, or to use one amplifier to drive the two voice coils in series or parallel without having to reinterconnect the voice coils. This is achieved by locating the negative voice c... | 03/20/2007 |
| 7164338 | Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components An energy transfer element having an energy transfer element input winding and an energy transfer element output winding. In one aspect, the energy transfer element input winding is capacitively coupled to the energy transfer element output winding. The energy trans... | 01/16/2007 |
| 7119647 | Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings An energy transfer element having an energy transfer element input winding and an energy transfer element output winding. In one aspect, the energy transfer element input winding is capacitively coupled to the energy transfer element output winding. The energy trans... | 10/10/2006 |
| 6977573 | Laminated coil array A laminated coil array includes a laminate including a plurality of ceramic layers and a plurality of internal conductors disposed one on top of another, at least three coil conductors defined by electrically connecting internal conductors of the plurality of intern... | 12/20/2005 |
| 6950006 | Composite inductor element A composite inductor includes a block made of resin or rubber having a magnetic material dispersed therein. Spirally wound coils are buried in the block so that the coil axes of the coils are arranged in the same direction. The end portions of the coils are electric... | 09/27/2005 |
| 6158109 | Coil manufacturing method using ring shaped spacer A spacer for mounting around the outer peripheral surface of a bobbin. The spacer has first and second edge surfaces formed in a circular arc shape. Subsequent to the formation of a first coil by winding wire around the bobbin, the wire is continuously cu... | 12/12/2000 |
| 5578981 | Laminated inductor A laminated inductor which is adopted in an electronic circuit. The laminated inductor has a plurality of coil sections which are composed by laminating insulating layers and coil conductors alternately. The two adjacent coil sections are staggered at lea... | 11/26/1996 |
| 4973930 | Twin coil A coil arrangement comprising two coils on a single coil former, termed a twin coil, is characterized in that the two coils (W1, W2 and, respectively, W3A), with any respective individual magnetic core (10 or, respectively, 9) required, are mounted with a... | 11/27/1990 |
| 4746891 | High saturation three coil current transformer A high saturation three coil current transformer for use with electrical apparatus having a U-shaped conductor portion. The current transformer has a ferromagnetic core surrounding one leg of the U-shaped conductor. The core is formed from two U-shaped co... | 05/24/1988 |
| 4473811 | Single bobbin transformer having multiple delink windings and method of making same A symmetrically wound signal transformer having a first primary coil portion wound in one groove on a bobbin and a first secondary coil portion wound in an adjacent groove on the bobbin. A second primary coil portion, of shorter length than the first prim... | 09/25/1984 |
| 4419814 | Method of making a bobbin construction for autotransformer ballast A method of fabricating an autotransformer ballast and the unique ballast resulting therefrom are disclosed; the method comprising forming a single bobbin for accommodating a main primary winding and a main secondary winding, each having a large number of... | 12/13/1983 |
| 4172244 | High voltage resistant signal transmission device with isolating transformer The isolating transformer has two windings galvanically separated from each other and each connected to a respective point, which points are set at various high voltage potentials. At least one additional transformer is provided in series with the isolati... | 10/23/1979 |
| 4109223 | Multiple choke assembly A multiple choke assembly comprises individual chokes assembled side by side and in close proximity, mutual inductance phenomena occurring between adjacent chokes being minimized by alternating the lay of adjacent chokes. The disclosure also includes a de... | 08/22/1978 |
| 4084615 | Dyeing and printing of materials A compact arrangement of electromagnetically operated valves utilized for controlling the flow of deflecting air in a dye jet printing apparatus, and wherein the valves are mounted on a plurality of supporting cards and are positioned in a geometric latti... | 04/18/1978 |
| 4063207 | Coil structure A cylindrical coil form, for magnetic coupling with an irradiated nuclear magnetic resonance gas sample, is provided with peripheral and longitudinal grooves. The peripheral grooves are not helical in form, but are perpendicular to the axis of the coil fo... | 12/13/1977 |
| 4034584 | Dyeing and printing of materials A compact arrangement of electromagnetically operated valves utilized for controlling the flow of deflecting air in a dye jet printing apparatus, and wherein the valves are mounted on a plurality of supporting cards and are positioned in a geometric latti... | 07/12/1977 |
| 3990030 | Pincushion correction transformer For use in the deflection circuitry of a cathode ray tube, such as with a television receiver picture tube, a single pincushion correction transformer providing both vertical and horizontal correction. The transformer includes an E core having a control w... | 11/02/1976 |
