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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 |
| 7804311 | Electronic machine, connected machine identifying method for electronic machine and control system An electronic machine connectable to a different apparatus is disclosed. The electronic machine includes a resistance, a connector to be connected to the different apparatus, and a detecting section that detects one state from multiple states based on the resistance... | 09/28/2010 |
| 7550981 | Circuit and method for determining potentiometer wiper resistance A circuit and method for determining the wiper resistance of a potentiometer that includes the step of electrically coupling a sense resistor having a substantially constant sense resistance to the potentiometer third terminal. The potentiometer is electrically ener... | 06/23/2009 |
| 7514939 | Method for evaluating a potentiometer and circuit arrangement having a potentiometer A potentiometer (PT1, PT2) has a first terminal (A1), a second terminal (A2) and an intermediate tap (ZA), a resistor being between the first terminal (A1) and the second terminal (A2) irrespective of the position of the pot... | 04/07/2009 |
| 7394263 | Sensor arrangement with a plurality of potentiometric sensors The sensor arrangement includes: a least two sample chambers; at least two potentiometric FET-sensors, especially ISFET-sensors or ChemFET-sensors, having, in each case, a sensitive surface section, wherein each sensitive surface section lies in flow connection with... | 07/01/2008 |
| 7358747 | Rotary potentiometer with selectable operating section A transducer in the form of a potentiometer provides an output signal indicative of a position of a component. The potentiometer comprises a body, a member moveable relative to the body and having an end portion for coupling to the component, and a resistor mounted ... | 04/15/2008 |
| 7304241 | Swivel connector, cable, and assembly An assembly having a connector capable of rotating up to about +/−170 degrees; and a plurality of conductors, sized in the range of gauge 22 to gauge 26. ... | 12/04/2007 |
| 7209028 | Position sensor with resistive element A position sensor comprises a resistive element positionable on a first surface. A pair of leads are on the resistive element, the pair of leads adapted to supply a first voltage, such as by being grounded. An intermediate lead is positioned on the resistive element... | 04/24/2007 |
| 7100455 | System and method for pressure measurement A system and method for pressure measurement may include the ability to readily produce a pressure measurement system. In one general aspect, pressure measurement may include a signal-converting circuit that includes a coupler, a signal biaser, and a signal span adj... | 09/05/2006 |
| 7055498 | Throttle assembly for internal combustion engine, and throttle sensor In a throttle body there are provided a throttle valve for controlling the flow of intake air in an internal combustion engine, an electrically-driven actuator for actuating the throttle valve, and a reduction gear mechanism for the actuator, and a receptacle portio... | 06/06/2006 |
| 7043386 | Potentiometer providing a high resolution A high resolution potentiometer implemented using at least two digital potentiometers connected in parallel. Each digital potentiometer is controlled to provide a corresponding resistance value, and a desired resistance value is attained by such control. The resolut... | 05/09/2006 |
| 7005859 | Circuit arrangement and method for monitoring a current circuit A circuit arrangement and a method are described with which a current circuit can be monitored for correct function. A first and a second current sensor are provided in the current circuit. In a test phase, the second current sensor is switched to the current circui... | 02/28/2006 |
| 6973731 | Encoder Disclosed is an encoder including a rotary member and a fixed member. The fixed member is provided with an electrode having A-channel, B-channel and C-channel patterns, the rotary member is provided with contacts which are to be opposed to the electrode. A-C state s... | 12/13/2005 |
| 6956384 | Linear displacement transducer with improved accuracy The present invention relates to a linear displacement transducer with improved accuracy, in which stable contact is achieved by forming contacts coming into contact with resistors in a elastic linear contact type, rather than a conventional point contact type, usin... | 10/18/2005 |
| 6937033 | Position sensor with resistive element A position sensor includes a resistive element positionable on a first surface. A pair of leads are on the resistive element, the pair of leads adapted to supply a first voltage, such as by being grounded. An intermediate lead is positioned on the resistive element ... | 08/30/2005 |
| 6933735 | Ramp arrangement and method for measuring the position of an actuator in a rotating media data storage device Ramp arrangements and methods in accordance with the present invention can provide the position or velocity of an actuator assembly in a rotating media data storage device while loading or unloading a head connected with the actuator assembly from a disk. One such a... | 08/23/2005 |
| 6809531 | Digital potentiometer device A digital potentiometer device has a potentiometer, coupled to a reference voltage, that generates a voltage that can be varied. A programmable scaling function scales the reference voltage and the potentiometer's wiper voltage depending on stored user variables. An... | 10/26/2004 |
| 6753684 | Inspection apparatus and method adapted to a scanning technique employing a rolling wire probe An inspection apparatus and method of electrode patterns using rolling wire probes, which includes a rolling wire rotating for performing a rolling contact sliplessly across the electrode patterns, and a control unit for controlling operations of the inspection appa... | 06/22/2004 |
| 6737877 | Method and circuit for reading a potentiometer Embodiments of the invention describe a method and apparatus used to determine the position of a wiper on a potentiometer without the need for an external ADC. Two capacitors are each connected to an end of a potentiometer, and then are charged or discharged simulta... | 05/18/2004 |
| 6724201 | Resistance type liquid level measuring apparatus A resistance-type liquid level measuring apparatus which suppresses a detection voltage error due to silver sulfide within a permissible range in practical use and enables measurement indication with accuracy, and comprises a resistance-type sensor including a float... | 04/20/2004 |
| 6512383 | System for measuring the alternating current equivalent series resistance of a conductor A system and method for measuring the alternating current series resistance of a conductor when transporting large currents on the order of several thousand amperes. The system comprises a current sensor, a current/voltage converter, a voltage divider, a ... | 01/28/2003 |
| 6509148 | Method for fabricating biosensors using hydrophilic polyurethane Disclosed is a method for fabricating biosensors, using hydrophilic polyurethane. Bio-active reagents, including enzymes, antibodies, antigens, cells and receptors, are mixed with hydrophilic polyurethane and the mixture is directly coated over a signal t... | 01/21/2003 |
| 6486684 | Device for measuring the position of an object that can be moved forward and backward along a fixed path The invention relates to a device for measuring the position of an object that can be moved forward and backward along a fixed path, such as a closure element of an open roof construction for a vehicle. The device includes a driving unit for the object an... | 11/26/2002 |
| 6469527 | Method of calibrating a potentiometer A method for calibrating a potentiometer that determines the actual resistance of the potentiometer throughout its range of motion. The potentiometer is rotated in a forward direction from its first stop position to its second stop position while resistan... | 10/22/2002 |
| 6459281 | Head for the linear dimension checking A head for the linear dimension checking of pieces in machine tools or measuring machines with a support structure (1), a movable arm-set (4) including an arm (6) carrying a feeler (8) for contacting the piece (37) to be checked, a spring (17) arranged be... | 10/01/2002 |
| 6441626 | Rotary position sensor The present invention is directed to a rotary position sensor which includes a housing, connector terminals mounted in the housing, whose connecting portions are exposed inside of the housing, a base plate mounted in the housing, on which a detection circ... | 08/27/2002 |
| 6396283 | Device for detecting abnormality of sensor, and control device for vehicle A main sensor 101a and a subsensor 101b are two sensors adapted to operate in the same direction. A voltage of the same polarity is applied to both the sensors 101a and 101b from a common power supply of a voltage application 100. Then, an offset 103 caus... | 05/28/2002 |
| 6228237 | Automatic measuring device for the concentration of a developing agent A device for automatically measuring a concentration of a developing agent in a developing bath includes a voltage generator capable of generating at least one voltage ramp provided to feed a three-electrode cell; a potentiostat provided to maintain a con... | 05/08/2001 |
| 6075371 | Linear position sensor A linear position sensor has first and second output signal generators each of which outputs an output signal in accordance with the position of a detection object. As the detection object moves from an initial position, the output signal of the first out... | 06/13/2000 |
| 5841290 | Method for sensing the presence and absence of an object A sensing device and a method for sensing the presence and absence of an object in a machine using the sensing device. The sensing device generally including a sensing mechanism, a resistive element, and a control mechanism communicatively coupled to the ... | 11/24/1998 |
| 5796262 | Method and apparatus for diagnosing bearing insulation impedance of a rotating electrical apparatus A system diagnoses the operability of a rotating electrical apparatus such as a reactor coolant pump (RCP) motor. The RCP motor includes a rotatable shaft, a stator, a bearing assembly and a bearing insulator. The bearing assembly electrically contacts th... | 08/18/1998 |
| 5790038 | System for the remote measuring of the protection ground A system for the remote measurement of the protection ground associated with an electrical system, and which employs a telephone line for the transmission of the control signals and the results of the measurement. The system includes a centralized ground ... | 08/04/1998 |
| 5712574 | Apparatus for position detection and verification thereof using pulse patterns having sequentially unique properties An apparatus for position detection using signal patterns created by use of a fixed disk having three conductive patterns disposed thereon. The first and second patterns are annular conductive paths which are concentric with respect to one another and the... | 01/27/1998 |
| 5691647 | Object sensing device and method for using same A sensing device and a method for sensing the presence and absence of an object in a machine using the sensing device. The sensing device generally including a sensing mechanism, a resistive element, and a control mechanism communicatively coupled to the ... | 11/25/1997 |
| 5684407 | Electronic circuit packaged with a position sensor A voltage follower is incorporated within a molded electrical connector interface of a position sensor in a way that does not detract from the dimensions or the performance of the finished sensor. The incorporation of the voltage follower into the housing... | 11/04/1997 |
| 5589779 | Potentiometer circuit providing identifiable open wiper signals A circuit is provided for generating a voltage signal corresponding to a wiper position in a linear or circular potentiometer having an open wiper position or an open wiper angle, respectively. The voltage signal circuit includes provisions for determinin... | 12/31/1996 |
| 5565785 | Potentiometer calibration method A calibration method for a potentiometer which provides indicia reflecting an accurate indication of actual electrical resistance throughout the resistive range of a particular potentiometer. The indicia includes a number of graduation marks or symbols ha... | 10/15/1996 |
| 5481201 | Circuit for generating a current linearly proportional to displacement of a movable member A circuit for generating a linear current proportional to the displacement of the movable member of a transducer receives an undetermined supply voltage from a monitoring circuit which has a relatively high internal resistance. The circuit is provided wit... | 01/02/1996 |
| 5423257 | Device for detecting the position of an actuator on a printing press Device for detecting a position of an actuator on a printing press includes two potentiometers having respective wipers connected to the actuator and driven with mutually different transmission ratios, the two potentiometers being serially connected in a ... | 06/13/1995 |
| 5399981 | Closed continuous resistive track angular position sensor and measurement method An angular position sensor having at least one resistive track which is circular, for example, and at least one cursor. The cursor is adapted to move while in electric contact with the track. The track is closed and continuous and has at least two electri... | 03/21/1995 |
| 5343142 | Sheet size detection device A sheet size detection device for detecting a size of sheets which are held in a cassette body comprises a first guide member for defining the position of the sheets which are held in the body of the cassette, in a first direction of the sheets, the first... | 08/30/1994 |
