U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

Newsletter  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.

 

Class 336/119 - Coil and core movable as a unit


Subclass of Class 336 - Inductor devices
Definition: Subject matter wherein a core and a coil which are fixed
No. of patents: 20
Last issue date: 09/18/2007


NumberTitleIssue Date
7271582Linear variable differential transformers for high precision position measurements
A linear variable transformer (LVDT) for use in a transducer. The LVDT has a non-ferromagnetic core which may eliminate Barkhausen noise and thereby improve the sensitivity of the resulting measurements. In one aspect, this system may be used in an atomic force micr...
09/18/2007
7161348Inductive sensor unit
An inductive sensor unit for detecting the position of a vehicle seat or for a gate-shifting unit of an automatic transmission, is described. The inductive sensor unit has a plurality of sensor coils that are disposed in planar fashion on a printed circuit board. A ...
01/09/2007
6950633Rotary non-contact connector and non-rotary non-contact connector
A rotary non-contact connector and a non-rotary non-contact connector enable data transmission in a non-contact mode by radio transmitters-receivers by combining rotary transformers or stationary transformers and radio transmitters-receivers, and providing power sys...
09/27/2005
6950005Adjustable coilform for variable inductance
Methods and apparatus are disclosed for a tunable inductor. A coil of electrically conducting material is wrapped around a coilform, preferably generally cylindrical in shape. The coilform is constructed having a threaded portion of screw-like ridges with troughs be...
09/27/2005
6922051Displacement and/or angle sensor with a meander-shaped measuring winding
An inductive sensor for determining a position of a body moveable on a fixed housing includes an inductive transmission element in the body, the transmission element being operative for generating an alternating magnetic field flux. The body is movably arranged such...
07/26/2005
6437673Transformer assembling method, transformer, transformer-mounted substrate, power supply unit having transformer-mounted substrate, and recording apparatus including power supply unit
A transformer including a bobbin formed by uniting a winding member, which has a primary winding and secondary winding and a bore formed thereon and therein, with a primary winding fixture and secondary winding fixture adjoining the openings of the bore, ...
08/20/2002
6218924Arrangement for the contactless transmission of an air-bag release signal
The arrangement includes a transformer whose primary winding and secondary winding are in separate pot cores which can rotate in opposite directions about the axis of rotation of the steering wheel. To prevent these transformers from transferring energy t...
04/17/2001
6008547Arrangement for contactless transmission of signals between vehicle parts movable linearly with respect to one another
An arrangement for contactless transmission of signals, e.g., between at least one circuit unit installed on the vehicle body and at least one circuit unit in a vehicle seat mounted displaceably on rails is described. This arrangement is free of wear and ...
12/28/1999
5329268Transformer variable power
A transformer with a primary and a secondary core. The primary core is rectangular in shape with guide slots on the inside in the center of opposite legs and windings wound in opposition on the other two sides. The secondary core is rectangular in shape c...
07/12/1994
5293308Inductive power distribution system
A contactless inductive power distribution system operating at 10 KHz has a self tuning resonant power supply connected to a resonant primary conductive path comprising a pair of parallel litz wire conductors each encapsulated within an insulated sheath a...
03/08/1994
5055814Displacement detector
The disclosed displacement detector uses a printed circuit board extending through a comparatively uniformly magnetized gap of a core. The core is essentially a closed loop of magnetic material enclosing a hollow space, and a magnetic material leg extends...
10/08/1991
4800978Magnetic object detecting system for automated guided vehicle system
An improved magnetic object detecting system having high sensitivity and noise immunity is disclosed. The detection system is of the type having a stimulation coil for generating a magnetic field and a pair of magnetic field detection coils, and the stimu...
01/31/1989
4725805Electric current control type variable inductor
The construction of cores in an electric-current-controlled type variable inductor used in radio receivers is disclosed. The inductors have three or four cores. In the case of the variable inductors of the type having three cores, the winding portion of a...
02/16/1988
4705971Linear resolver
A linear resolver wherein a stator is made of a magnetic material and is toothed at equal pitches along the direction of measurement, and a movable element is an electromagnet made of an E type or C type core around which a primary single phase winding W
11/10/1987
4612527Electric power transfer system
An electric power transfer system in the form of a transformer comprises a first core portion 12 with two or more regions 14, and a second core portion 34 movable relative to the first core portion 12 and providing a low reluctance flux path between the r...
09/16/1986
4425511Planar coil apparatus employing a stationary and a movable board
A planar coil apparatus is disclosed for providing an output signal indicative of a movement between at least a first and a second position. A first stationary planar member has disposed on a surface, a first flat coil configuration which is emplaced ther...
01/10/1984
4231150Method of tuning a flyback transformer for minimum ringing
The method of tuning a flyback transformer in a cathode ray tube control system, for minimum ringing, which comprises the steps of adjusting the lateral position of the center plane of the high voltage or secondary coil, with respect to the center plane o...
11/04/1980
4086552High-voltage transformer comprising a foil winding
The low-voltage winding of a line transformer consists of a foil winding. In order to tune the line transformer to the third or the fifth harmonic, the coupling factor is adjusted by sliding the high-voltage winding with respect to the low-voltage winding...
04/25/1978
4005396Digital displacement sensor with zigzag coils
A digital displacement sensor includes a plurality of zigzag coils provided with projecting or convex portions having different pitches and arranged on the surface of a flat plate. A magnetic head consisting of a magnetic body and a coil is wound around p...
01/25/1977
3953816Position detecting system
A position detecting system includes a sending unit in the form of a continuous conductor describing a Greek key pattern surrounded by a return-path conductor arrangement. The return-path conductor is so arranged as to provide additional legs of the patte...
04/27/1976
 
Sign InRegister
Username  
Password   
forgot password?