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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7418862 | Electromechanical force-magnitude, force-angle sensor An electromechanical force sensor uses a rotating element that aligns with the force and may carry a force magnitude sensor simplifying and providing more accurate measurement of force-angle and force-magnitude. The ability to detect simply force-angle and force-mag... | 09/02/2008 |
| 7399259 | Elevating exercise bicycle An Elevating Exercise Bicycle for fitness and amusement ride in one having occupant-seating station with frame attached to a support base frame through an articulating member providing angular rotation about lower pivot pins to create constant pitching angle and ver... | 07/15/2008 |
| 7094184 | Self-sourcing exercise bike with a linear digital control magnetic resistance braking apparatus A self-sourcing exercise bike with a linear digital control magnetic resistance braking apparatus comprises a generator, a power converter, a digital control system, a magnetic braking resistance and a LED control panel. This apparatus uses a linear control method t... | 08/22/2006 |
| 7066292 | Pedalling power generation health machine An apparatus of foot pedal working type for health maintenance equipped with a DC generator wherein electric current generated by the DC generator adapted to be driven by foot pedal working force is supplied to an electric device via a DC/DC converter, characterized... | 06/27/2006 |
| 6724299 | Bicycle data communication method and apparatus A method of communicating data in a bicycle data processing system comprises the steps of communicating first information from a transmitter to a receiver, wherein the first information has a first rate of change; and communicating second information from the transm... | 04/20/2004 |
| 5591908 | Torque monitor for training bicyclists The invention is a torque monitor which attaches to the crank arm of a bicycle pedaling mechanism. A drive link is pivotally attached at one end thereof to a mounting assembly which is rigidly attached to the bicycle crank arm. The end of the drive link o... | 01/07/1997 |
| 5257540 | Portable apparatus for measuring force and power supplied to a pedal-driven cycle An instrumentation system for measuring the instantaneous pedal force and power exerted by the rider of a cycle is described. Being small and lightweight, it is intended to be mounted on the cycle and to operate while the cycle is ridden. The pedal crank ... | 11/02/1993 |
| 5240417 | System and method for bicycle riding simulation A system for simulating bicycle riding which incorporates a conventionally-appearing bicycle physically maneuverable by a system user. Front and rear bicycle wheels are provided solely for visual authenticity. The simulating system provides electrical com... | 08/31/1993 |
| 5067710 | Computerized exercise machine A computerized exercise cycle is disclosed. The exercise cycle presents an exercise structure having a pair of pedals operable by a user against resistance provided by an adjustable resistance means. The resistance means is controlled by a computer which ... | 11/26/1991 |
| 5031455 | Bicycle power meter A bicycle power meter having components which replace the rear axle hub assembly of a conventional chain driven bicycle. Inner and outer hubs are coupled to the usual freewheel chain drive cluster and to the rear wheel, respectively. The hubs are intercon... | 07/16/1991 |
| 5018726 | Method and apparatus for determining anaerobic capacity A method and apparatus for defining and determining a value for an anaerobic capacity parameter is disclosed. The anaerobic capacity parameter is defined as the time required to completely deplete the subject's anaerobic capacity given maximum mechanical ... | 05/28/1991 |
| 4957286 | Seat with weight measuring capabilities A weight indicating seat for an exercise device having a pneumatic system associated therewith comprising a pneumatic bladder located in the seat which is connected to a gauge calibrated to indicate weight proportional to the pressure within the bladder. ... | 09/18/1990 |
| 4938474 | Exercise apparatus and method which simulate stair climbing An exercise apparatus is disclosed which simulates a stair climber, and which determines the amount of user exercise by the speed of rotation of a flywheel. The speed of the flywheel is controlled to maintain the desired speed of stair climbing by a frict... | 07/03/1990 |
| 4832332 | Digital indicating instrument for a physical training device A digital indicating instrument for a physical training device, in particular a rowing device, includes a sensor fixed rigidly to a basic frame of the training device and sensor trip element fixed to an operating part, in particular to a sliding seat of t... | 05/23/1989 |
| 4791813 | Apparatus for the measurement of the energy expenditure at an operating member An apparatus for the measurement of the energy expenditure at an operating member, which for example is to be attached to the pedal of a bicycle or similar article. This device is particularly precise so that as small as desired flexing movements of an ac... | 12/20/1988 |
| 4770411 | Exercise apparatus ergometer An ergometer (28) is employed on an exercise cycle (10) having a flywheel (20) rotated by pedals (16). A selectively tensionable endless belt (26) extends around the perimeter of flywheel (20) and a separate strap (160) is attached to the endless belt (26... | 09/13/1988 |
| 4647036 | Energy measurement enabling apparatus A device for enabling testing of a person's physical condition, by enabling easurement of the energy expended by the person to be tested thereby, in manually maintaining rotation of a flywheel in a stationary bicycle, against resistance applied to the flyw... | 03/03/1987 |
| 4630818 | Torque metering device for a bicycle-type ergometer The invention relates to a torque metering device for a bicycle-type ergometer, in which ergometer the braking force is steplessly adjustable and in which the rotating movement is compensated by means of a flywheel. The rotating movement of the flywheel c... | 12/23/1986 |
| 4625551 | Device for detecting the developed power in home pedalling apparatus for bicycles The power detecting or sensing device to be applied to room pedalling apparatus or bicycles essentially comprises in a common envelope a tachometer and a revolving drum, thereon a colored pattern is defined controlled by a dynamometric braking caliper ass... | 12/02/1986 |
| 4512566 | Audio-visual device for gymnastic implements An audio-visual device for exercising machines including a picture projector fixed on the machine at such a position that the pictures or images can be seen by the user; and optionally, a sound system built in the projector; a picture feeding device, a cu... | 04/23/1985 |
| 4463433 | Pedalling efficiency indicator A pedalling efficiency indicator measures the forces acting on the crank arm of a pedacycle to compute pedalling efficiency as a function of these forces. Generally, pedalling efficiency is computed as the ratio of the normal component of force acting on ... | 07/31/1984 |
| 4423630 | Cyclic power monitor A cyclic power monitor measures a cyclically applied force applied by animal muscle power to a device and calculates the work done by the application of the force. The time between cyclic applications of the force is calculated to produce a value which ma... | 01/03/1984 |
| 4419890 | Bicycle ergometer A bicycle ergometer, where with the aid of a spring balance the braking effect of a band brake on the rim of a flywheel is measured and the braking effect may be regulated. The band, spring and indicator are normally fastened to a ball-bearing fork in the... | 12/13/1983 |
| 4378111 | Physical exercise appliance This invention discloses a physical exercise appliance comprising an indicator device for selectively indicating exercise data or heart-pulse frequency data of the user or exerciser during the application of his physical energy. A circuit is provided for ... | 03/29/1983 |
| 4358105 | Programmed exerciser apparatus and method An exerciser is disclosed, of the type providing automatically controlled variations of effort levels, wherein "random" variations of effort level are included which are not predictable by the operator. The effort levels [steps] are provided in a sequence... | 11/09/1982 |
| 4244021 | Ergometric exerciser An ergometric exerciser of the constant work type using a mechanical to electrical transducer as its basis is described. The exerciser is controlled by a single chip microcomputer and associated electronic interfacing means to perform a multiplicity of se... | 01/06/1981 |
| 4141248 | Ergometers An improved ergometer having a driving machine for producing a rotational movement and set in motion by the user is disclosed. The ergometer includes a load device comprising a generator connected to the driving machine, a load connected to the generator ... | 02/27/1979 |
| 4060239 | Ergometer with automatic load control system An ergometer including a generator, a cooling fan for the generator, and an electronic circuit control for compensating for the mechanical losses thereof whereby the electrical load of the generator can be maintained within pre-set values.... | 11/29/1977 |
| 3995491 | Ergometer An ergometer apparatus such as a bicycle-type exerciser including a flywheel driven by a drive sprocket and chain. The flywheel includes a pair of permanent magnets moving past a pickup coil mounted on the frame of the ergometer as the flywheel is rotated... | 12/07/1976 |
| 3984666 | Calorie metering exerciser An exerciser combined with means for converting the output energy to measurable form and adjusting the indicated energy output by the exerciser to a quantity of exercise desired and means for measuring the energy output of the exerciser in calories.... | 10/05/1976 |
| 3940989 | Brake power controlling device A device for controlling the braking power in a brake equipment of a bicycle exerciser is capable of keeping the brake power of this equipment constant or giving it a programmed variation. The device comprises a non-electronic comparing means, which compa... | 03/02/1976 |
| 3939932 | Exercise apparatus A combination pedal and motor powered bicycle "moped" having a chain tension sensor attached to the throttle so that the rider can control the power output of the motor by the degree of force he exerts in pedalling.... | 02/24/1976 |
