A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7546889 | Guided control of a transporter A method for conducting the motion of a transporter under riderless conditions. The transporter has two laterally disposed primary wheels. In accordance with the method, an input is received via a user input disposed on the transporter and a control signal correspon... | 06/16/2009 |
| 7469760 | Hybrid electric vehicles using a stirling engine A personal vehicle for transporting a user over a surface including an external combustion engine. The vehicle includes a generator for converting the mechanical energy produced by the external combustion engine to electrical energy and an energy storage device for ... | 12/30/2008 |
| 7370713 | Personal mobility vehicles and methods A class of transportation vehicles for carrying an individual over ground having a surface that may be irregular. This embodiment has a motorized drive, mounted to the ground-contacting module that causes operation of the vehicle in an operating position that is uns... | 05/13/2008 |
| 7357202 | User input for vehicle control A user input for controlling acceleration of a vehicle. The user input has a movable member capable of deflection by a user such that a degree of deflection corresponds to a specified velocity commanded by the user. The correspondence between the degree of deflectio... | 04/15/2008 |
| 7210544 | Control of a transporter based on attitude A transporter for transporting a load over a surface. The transporter includes a support platform for supporting the load. The support platform is characterized by a fore-aft axis, a lateral axis, and an orientation with respect to the surface, the orientation refer... | 05/01/2007 |
| 7174976 | Dynamically stable transporter controlled by lean A transporter for transporting a subject over a surface that may be irregular. The transporter includes a support platform for supporting a load, the loaded support platform defining fore-aft and lateral planes and characterized by a load distribution. A plurality o... | 02/13/2007 |
| 7131706 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms. ... | 11/07/2006 |
| 7090040 | Motion control of a transporter A transporter for transporting a subject over a surface that may be irregular. The transporter includes a support platform for supporting a load, the loaded support platform defining fore-aft and lateral planes and characterized by a load distribution. A plurality o... | 08/15/2006 |
| 7023330 | Transporter oscillating alarm A vehicle capable of an extraordinary mode of motorized motion programmed to draw the attention of an operator. When one or more sensors sense a condition requiring attention of the operator, a periodic acceleration is superposed upon the motion of the ground-contac... | 04/04/2006 |
| 7017686 | Hybrid human/electric powered vehicle A personal transporter that provides both for propulsion by a user, and, at the same time, for dynamic stabilization by means of a powered actuator. A pitch variable such as pitch or time rate of change of pitch is sensed and used to determine the torque provided to... | 03/28/2006 |
| 7004271 | Dynamic balancing vehicle with a seat A device for transporting a human subject over a surface. The device is a dynamically balancing vehicle having a control loop for providing balance. The device includes a platform defining a fore-aft plane. The platform supports a payload including the human subject... | 02/28/2006 |
| 6969079 | Multiple-passenger transporter A transporter for transporting a first person and one or more riders over a surface. The transporter includes a first support platform for supporting the first person, the first support platform having left and right sides and defining a fore-aft vertical plane and ... | 11/29/2005 |
| 6966182 | Stirling engine thermal system improvements A thermal cycle engine having a heat exchanger for transferring thermal energy across the heater head from a heated external fluid to the working fluid. The heat exchanger has a set of heat transfer pins each having an axis directed away from the cylindrical wall of... | 11/22/2005 |
| 6929080 | Balancing personal vehicle A transportation vehicle for transporting an individual over ground having a surface that may be irregular. The vehicle has a support platform for supporting the subject and the support platform is coupled to a ground-contacting module at a pivot. While the ground-c... | 08/16/2005 |
| 6920947 | Exercise mode for a personal transporter device A personal transporter device and corresponding method of operation are given that utilize an exercise mode. A transporter assembly includes a platform, a ground-contacting module, and a motorized drive. The platform supports a user. The ground-contacting module is ... | 07/26/2005 |
| 6915878 | Self-balancing ladder and camera dolly A device and methods for supporting a payload, such as a user, at a variable height above the ground and for repositioning the payload in a dynamically stabilized mode of operation. The transporter device has two laterally disposed primary wheels and a payload suppo... | 07/12/2005 |
| 6862883 | Regenerator for a Stirling engine A regenerator for a thermal cycle engine and methods for its manufacture. The regenerator has a random network of fibers formed to fill a specified volume and a material for cross-linking the fibers at points of close contact between fibers of the network. A method ... | 03/08/2005 |
| 6799649 | Control of a balancing personal vehicle A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with respect to a local axis, where the local axis can be moved with respec... | 10/05/2004 |
| 6796396 | Personal transporter Improvements to a motorized balancing personal transporter are revealed in embodiments of the invention. In one embodiment of the invention, a transporter for carrying a payload includes a platform for supporting a user; a ground-contacting module, to which the plat... | 09/28/2004 |
| 6779621 | Riderless stabilization of a balancing transporter A method for stabilizing a balancing transporter under riderless conditions. The balancing transporter is characterized by a center of mass, and has two laterally disposed wheels and a region of contact with an underlying surface. In accordance with the method, the ... | 08/24/2004 |
| 6726656 | System for controlling flow through a line during intravenous drug delivery A system and method for the preparation and delivery of intravenous drugs includes a liquid inlet for connection to a liquid supply and vial receptacles. The system may also include a liquid outlet for providing the intravenous drug in mixed, liquid form to the pati... | 04/27/2004 |
| 6715845 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms. ... | 04/06/2004 |
| 6708481 | Fuel injector for a liquid fuel burner A fuel injector for a liquid fuel burner that provides for large turn-down ratios and low firing rates. The fuel injector has a fast acting valve to provide a pulsed flow of fuel from a fuel supply and a nozzle coupled to the valve for receiving and atomizing the pu... | 03/23/2004 |
| 6705081 | System and method for sensor control of the fuel-air ratio in a burner A method for controlling the fuel-air ratio of a burner having a blower responsive to a blower drive signal for injecting air into the burner. The method is based at least on the concentration of a gas in an exhaust gas product of a combustion chamber of the burner ... | 03/16/2004 |
| 6694731 | Stirling engine thermal system improvements A thermal cycle engine having a heat exchanger for transferring thermal energy across the heater head from a heated external fluid to the working fluid. The heat exchanger has a set of heat transfer pins each having an axis directed away from the cylindri... | 02/24/2004 |
| 6651766 | Personal mobility vehicles and methods A class of transportation vehicles for carrying an individual over ground having a surface that may be irregular. This embodiment has a motorized drive, mounted to the ground-contacting module that causes operation of the vehicle in an operating position ... | 11/25/2003 |
| 6651763 | Transporter oscillating alarm A vehicle capable of an extraordinary mode of motorized motion programmed to draw the attention of an operator. When one or more sensors sense a condition requiring attention of the operator, an oscillatory motion is superposed upon the motion of the grou... | 11/25/2003 |
| 6591609 | Regenerator for a Stirling Engine A regenerator for a thermal cycle engine and methods for its manufacture. The regenerator has a random network of fibers formed to fill a specified volume and a material for cross-linking the fibers at points of close contact between fibers of the network... | 07/15/2003 |
| 6581714 | Steering control of a personal transporter Improvements to a motorized balancing personal transporter. An intelligent battery has a battery container sealed against moisture and a plurality of battery blocks housed within the battery container. Additionally, the battery pack has a plurality of sen... | 06/24/2003 |
| 6571892 | Control system and method Systems and methods for controlling a device are disclosed. In one embodiment, the systems and methods allow for the control of a human transport device such that the human transport device remains in an upright position regardless of the surface being tr... | 06/03/2003 |
| 6561294 | Balancing vehicle with passive pivotable support A balancing vehicle that supports a rider on a support such as a seat in a such a manner as to allow the position of the center of gravity of the vehicle to be varied by motion of the support. Motion of the support additionally provides for control of a d... | 05/13/2003 |
| 6547026 | Safety separation system A safety mechanism for a personal vehicle that provides for separation of the motion of a body support from a ground contacting assembly of the vehicle in case of accident. In one embodiment, the body support is attached to the ground contacting module vi... | 04/15/2003 |
| 6543564 | Balancing personal vehicle A transportation vehicle for transporting an individual over ground having a surface that may be irregular. The vehicle has a support platform for supporting the subject and the support platform is coupled to a ground-contacting module at a pivot. While t... | 04/08/2003 |
| 6536207 | Auxiliary power unit An auxiliary power system for providing electrical power and heat to an indoor area includes an external combustion engine, such as a Stirling cycle engine, for generating mechanical energy and thermal energy. The external combustion engine burns a fuel w... | 03/25/2003 |
| 6513529 | Repulsive antiseptic surgical shield A method for excluding infectious agents from the site of an incision into the tissue of a patient. Air is the vicinity of the patient is filtered through an ionizing filter, such that any infectious agents in the air are electrically charged with a speci... | 02/04/2003 |
| 6464667 | Method and cassette for delivering intravenous drugs A bedside-pharmacy system for the preparation and delivery of intravenous drugs. The system includes a liquid inlet for connection to a liquid supply, vial receptacles, and a liquid outlet for providing the intravenous drug in mixed, liquid form to the pa... | 10/15/2002 |
| 6443250 | Control of a balancing personal vehicle A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with respect to a local axis, where the local axis can be moved ... | 09/03/2002 |
| 6436072 | Medical irrigation pump and system A medical irrigation pump and pump system utilize a permanent non-sterile drive motor capable of operating disposable sterile single use pump units each of which is specifically designed for a particular medical procedure. The pump units have housing whic... | 08/20/2002 |
| 6415879 | Control inputs for a balancing personal vehicle A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with respect to a local axis, where the local axis can be moved ... | 07/09/2002 |
| 6406276 | Constant-pressure fluid supply system with multiple fluid capability The invention provides a system for dispensing fluid at relatively constant pressure. In a first embodiment, the invention dispenses a fluid from a chamber of varying dimension defined by a pre-tensioned resilient membrane. In a second embodiment, the inv... | 06/18/2002 |