Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8030813 | Servo motor A servo motor is equipped with a rotary shaft, a rotor rotated integrally with the rotary shaft, a stator that is separated a predetermined distance from and disposed in confronting relation to the rotor, and an angle detecting device that detects an angle of rotati... | 10/04/2011 |
| 7409784 | Electricity-producing shoe An electricity-producing shoe comprises a shoe body including an electricity-producing module and an electricity generator mounted therein. The electricity-producing module includes a rack, first and second gears, and a spring buffer that mounts between the first an... | 08/12/2008 |
| 7314399 | Floating sportsman's blind An improved float tube arrangement for outdoor water-related activities, particularly hunting and fishing. The float can be deployed as a blind for partially concealing and camouflaging a user, who sits in the circular middle of the float upon an adjustable seat sup... | 01/01/2008 |
| 7276805 | Manual-powered generator and assemblies therewith The invention provides a manually-powered electrical assembly. In one aspect, the manually-powered electrical assembly can be a light assembly that comprises a light source, an electrical generator, and a manual actuator assembly. The electrical generator is electri... | 10/02/2007 |
| 6914340 | Handheld generator The invention concerns a handheld power generator for generating electrical power for a consumer device, the generator comprising a main casing housing an input gear for driving an alternator via at least one intermediate gear so as to provide a step-up drive ratio ... | 07/05/2005 |
| 6822357 | Luminous device capable of automatically generating power A luminous device capable of automatically generating power includes a set of induction coils with one end connecting to a luminous element and placed inside a light conductor which is fastened onto a steel wire of a wheel via a fastening structure; one or more than... | 11/23/2004 |
| 6603228 | Driving unit of a welding equipment There is provided a driving unit of a welding equipment capable of reducing the size of the driving unit, of reducing the moment of inertia, and of being compact and having an excellent operability. The driving unit of a welding equipment provided with a ... | 08/05/2003 |
| 6483276 | Electronic device with variable chopping signal and duty ratio selection for strong braking An electronic device capable of increasing the braking torque applied to an electric power generator without causing a significant reduction in electric power generated by the electric power generator. The electronic device, which may be embodied in an el... | 11/19/2002 |
| 6407526 | Safety switching systems for preventing serious misalignment of adjustable control pedals in automotive vehicles Some automobiles have mechanisms for adjusting the height of accelerator and brake pedals, and any clutch pedal, so that drivers large and small can adjust the pedals to the best height. All pedals are adjusted by a single reversible electric motor having... | 06/18/2002 |
| 6333574 | Emitter and power drive system for an electronic lock A self powered lock is powered by a manually driven generator. The data input to the lock is entered by rotating the dial and stopping and waiting a predetermined amount of time when a desired number is displayed on the lock display. The drive of the powe... | 12/25/2001 |
| 6288463 | Generator A generating apparatus includes an AC generator (11) having a stator (38) arranged around a rotary shaft (32) and a rotor (35) secured to the rotary shaft (32) and provided with an annular portion surrounding the outer peripheral portion of the stator (38... | 09/11/2001 |
| 6239501 | Footwear with hydroelectric generator assembly A hydroelectirc generator assembly for use in footwear includes a pair of fluid filled sacs contained in the sole of the footwear. The sacs are connected by conduits whereby, when the footwear is used for walking, fluid is transferred between the sacs, vi... | 05/29/2001 |
| 6201314 | Shoe sole with liquid-powered electrical generator Various embodiments are described of a liquid-powered dynamometric generator built into a shoe, which has at least two layers as part of its sole. The first or lower layer of the sole is a pad formed of an elastomeric material which contains a liquid with... | 03/13/2001 |
| 6140723 | Vibration generating device and oral hygiene device using same An oral hygiene device comprises a rotating body 22 mounted to a rotating shaft 21 of an electric motor 14, an output shaft 11 resiliently supported via a resonance pin 25 to be swingable finely, a drive magnetic body 23 provided on the rotating body 22, ... | 10/31/2000 |
| 6107714 | Drive unit for a hoist A drive unit for a hoist, an elevator in particular, with a motor (6), a transmission (2), a breaking means (4) and a housing (8) is characterized in that said motor (6) and said breaking means are together arranged in said housing (8). Furthermore, at le... | 08/22/2000 |
| 6034492 | Motor-generator A D.C. motor-generator and an electric double layer capacitor are fixedly connected directly to each other and a rotary shaft of the motor-generator is rotated in one direction by an external force to generate D.C. electric energy which is stored in the e... | 03/07/2000 |
| 5872413 | Pedal activated motor attachment for a hand operated food grinder A pedal activated motor attachment for a hand operated food grinder for allowing a user to convert a hand operated machine into a pedal driven machine. The inventive device includes a motor positioned within a housing. The motor powers a series of gears i... | 02/16/1999 |
| 5712518 | Electric motor drive unit for surgical tools An electric motor drive unit for surgical tools, in which a drive consisting of a motor or motor gear unit is connected to, and electrically insulated from a clutch for the tool by a shaft, and in which the drive as well as current-carrying components are... | 01/27/1998 |
| 5684345 | Single phase induction motor as the drive of a high pressure cleaning device A single phase induction motor for driving a high pressure cleaning device. The induction motor has a stator (1) with a drive shaft (2) and a rotor (4) which is located on the shaft (2). High pressure pump (3) of the high pressure cleaning device is drive... | 11/04/1997 |
| 5353655 | Gyroscopic device and process of generating electricity thereby A gyroscopic rotor has a shaft with opposite ends rotatably supported in a housing on a first or spin axis and capable of rotating around the housing at right angles to the spin axis, comprising a second axis. The support of the shaft in the housing is a ... | 10/11/1994 |
| 4746806 | Manually operated electrical generator apparatus A portable manually cranked electrical generator apparatus has a stirrup separated from the generator by a rigid support member. The support member may be adjusted vertically or angularly to accommodate differences in operator size and height while the st... | 05/24/1988 |
| 4636670 | Control gear for a dynamo connected to a hub A hub and dynamo arrangement includes a wheel hub rotatable about the axis of a fixed shaft; a dynamo having an annular stator carried by the hub, an annular armature disposed radially inwardly of the stator and a current collector fixed to the armature f... | 01/13/1987 |
| 4452445 | Loading device for physiological examinations Physiological loading device having a central pedal drive shaft 5 which drives via a freewheel a drum-shaped wheel 21 with inner gearing to which are advantageously coupled three follower gears. These drive, via gearing, an inner shaft 10 which is arrange... | 06/05/1984 |
| 4227092 | Hand cranked electrical power source A hand-cranked power source intended for use in emergency situations to grate electrical energy. The power source features a lightweight construction as well as the ability to generate a reasonable amount of power. The preferred embodiment couples an inp... | 10/07/1980 |
| 4220907 | Electromagnetic power generator An electromagnetic power generator for installation in the interior of a vehicular tire, working on the principle of deriving energy from the fact that a portion of the tire becomes flattened once every revolution, causing a change in the length of the co... | 09/02/1980 |
| 4105314 | Hand crank generator-powered rotary slide projector A hand crank generator-powered slide projector is provided in which the hand cranking both powers a projection lamp to illuminate a transparency and causes automatic film frame advance of the transparencies after a preset number of cranks to provide a sta... | 08/08/1978 |
| 4084810 | Energy absorbing unit for physical exercising devices An energy absorbing unit for physical exercising devices is arranged as an asynchronous motor the stator of which has windings to be connected to an AC supply and cooperates with the rotor of ferromagnetic material having a circular circumference, and an ... | 04/18/1978 |