Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 8179149 | Electromagnetic fence A system and method can use a transmission line to remotely detect border violations. For example, the transmission line can be configured to use time domain reflectometry to determine when a person and/or object crosses a border. The border can be the border of a c... | 05/15/2012 |
| 8138768 | Sensing circuit for devices with protective coating An integrated circuit has an inhomogeneous protective layer or coating over a circuit to be protected, and a sensing circuit (80) arranged to sense a first impedance of a part of the protective coating compared to a reference impedance (CO) located on the int... | 03/20/2012 |
| 8115505 | Differential signaling system and flat panel display with the same A differential signaling system, wherein a first wiring and a second wiring are coupled between a sending end and a receiving end as a differential signal line. A termination resistor is coupled between the first wiring and the second wiring in the receiving end sid... | 02/14/2012 |
| 7791354 | Impedance monitoring system and method A system (10) for monitoring PLC impedance of a phase conductor 12.1 of a high voltage overhead power transmission line (OHTL) 12 comprises a hybrid 40 comprising a first port (40), a second port (40.2) and a third port (... | 09/07/2010 |
| 7777498 | Networked power line parameter analysis method and system A method and apparatus is disclosed for determining power line parameter of a system. Specifically, there is provided a system for determining comprising a networked device including a voltage perturbation circuit coupled to a voltage source and configured to pertur... | 08/17/2010 |
| 7714592 | System and method for determining the impedance of a medium voltage power line A system and method of detecting changes in the impedance of a segment of medium voltage power line is provided. In one embodiment, the method comprises receiving voltage data comprising data of the voltage of the power lines at locations at a plurality of different... | 05/11/2010 |
| 7379016 | Carrier phase detection system for radar sensors A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse detector triggers on a selected cycle of the detected transmit burst ... | 05/27/2008 |
| 7372287 | Semiconductor device testing apparatus and device interface board A interface board is provided with a first and second contact instruments each comprising a first and second contact terminal groups to which a first to third type semiconductor devices having different numbers of external terminals used can be connected. The first ... | 05/13/2008 |
| 7355414 | Test apparatus with low-reflection signal distribution A test apparatus includes a signal source that generates a radio-frequency test signal and is connected to the input connection of an arrangement. The arrangement simultaneously supplies an electrical radio-frequency signal to a plurality of receivers and via a plur... | 04/08/2008 |
| 7342531 | Redundant level measurement in radar level gauging system A method and system for determining a product level in a tank which determine a first level measure using emission of electromagnetic waves into the tank, detect a differential pressure, determine an observed density based on the detected differential pressure and t... | 03/11/2008 |
| 7327665 | Optical fiber probe using an electrical potential difference and an optical recorder using the same An optical fiber probe generates an electrical potential difference formed between thin metal layers coated thereon to increase a light transmission rate. The optical fiber probe includes a near-field probe having a core transmitting light incident from an external ... | 02/05/2008 |
| 7317317 | Shielded micro sensor and method for electrochemically monitoring residue in micro features The micro sensor is fabricated with a guard that shields the electrodes from the surrounding environment, thereby reducing loss of measurement signal through the parasitic capacitances to the substrate and fluid. The guards are low impedance points in the circuit th... | 01/08/2008 |
| 7307582 | Method for determining a level of material with a two-wire radar sensor comprising intermittently operating circuitry components and a two-wire radar sensor A method for determining a distance between a radar sensor and a reflection surface of a material comprising the following steps. The radar sensor is energized via a two-wire control loop which allows for data communication and an internal energy store. An echo prof... | 12/11/2007 |
| 7271574 | Evanescent microwave probe with enhanced resolution and sensitivity Novel systems of an evanescent microwave probe (EWP) are disclosed, which enable measurements of physical properties of a sample with enhanced sensitivity and resolution, simultaneously. In one embodiment, new shielding features are added to the probe (which may be ... | 09/18/2007 |
| 7208935 | Apparatus for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer Apparatus and methods are provided for measuring the potential for mutual coupling in an integrated circuit package of any type or configuration using a network analyzer in conjunction with a coaxial test probe. Simple, low-cost test fixturing and methods of testing... | 04/24/2007 |
| 7199604 | Driver circuit with low power termination mode Driver circuits and methods for operating driver circuits in automatic test equipment are provided. The driver circuit includes an output circuit operable in a dynamic mode and in a termination mode, and a mode control circuit for supplying a first current to the ou... | 04/03/2007 |
| 7148701 | Apparatus for measuring electrical impedance The present invention provides an apparatus for measuring electrical impedance comprising: two input electrodes contacted to a subject for measuring impedance; a difference amplifier to which two signals inputted to the two input electrodes are inputted; a device fo... | 12/12/2006 |
| 7145148 | Systems and methods for non-destructively detecting material abnormalities beneath a coated surface The present invention provides systems and methods for non-destructively detecting material abnormalities beneath a coated surface. A terahertz (THz) illumination unit illuminates an area of the coated surface. A detection unit detects light reflected from the illum... | 12/05/2006 |
| 7141968 | Integrated sensor system for measuring electric and/or magnetic field vector components A compact sensor system integrates electric and/or magnetic field sensors to accurately measure, with a high level of sensitivity, one or more electric and magnetic vector components of fields. The electric and magnetic field data can be utilized separately or combi... | 11/28/2006 |
| 7119547 | Testing apparatus A testing apparatus includes a first power supply unit and first and second coaxial cables. The first power supply supplies current to a device under test. The first coaxial cable includes a first internal conductor and a first external conductor. The second coaxial... | 10/10/2006 |
| 7102357 | Determination of worst case voltage in a power supply loop Various systems, methods, and programs embodied in a computer readable medium are provided for determining a worst-case impedance and worst-case voltage of a power supply loop coupled to a power input of a die. In various embodiments, the worst-case impedance of a p... | 09/05/2006 |
| 7075480 | Level measurement device having electronics and antenna in one housing Described is a radar filling level measuring device for non-contact measurement of a filling level of a filling matter in a vessel. A radar filling level measuring device including an electronics unit for generating transmission signals and for evaluating receiving ... | 07/11/2006 |
| 6987481 | Radar filling level measurement using circularly polarized waves The present invention relates to a radar filling level measuring device capable of generating and receiving an elliptically polarized wave and, as a special case, a circularly polarized wave, using a directional coupler which, according to a particular embodiment, m... | 01/17/2006 |
| 6940446 | System and methods for obtaining ground conductivity information using GPR data A method for inferring information about the conductivity of a medium from ground penetrating radar (GPR) data using a calculated effective penetration limit of the GPR system, including various methods for calculating the effective penetration limit. ... | 09/06/2005 |
| 6788244 | Inspection device for radar absorbing materials The invention is a device for inspecting an assembly including a surface coating containing magnetic radar-absorbing materials on a conductive surface. In detail, the device includes a first system for transmitting an electromagnetic signal to the assembly, which in... | 09/07/2004 |
| 6759854 | Test apparatus for testing devices under test and method for transmitting a test signal A test apparatus comprises an input for receiving a test signal from a test signal source, wherein a signal line with a predefined characteristic wave impedance can be connected to the input. The test apparatus further comprises branching means with a first and a pl... | 07/06/2004 |
| 6690176 | Low-loss tunable ferro-electric device and method of characterization A tunable ferroelectric component and a narrowband resonant circuit for measuring the loss of the ferroelectric component. The ferroelectric component may be a capacitor integrated in the resonant circuit. The testing method eliminates other sources of lo... | 02/10/2004 |
| 6650119 | Method and apparatus for measurement and automatic control of acid concentration An acid concentration continuous measuring apparatus is equipped with the combination of a body having a flow path through which pickling solution contained in a pickling tank is made to continuously pass in a single direction, a density sensor, a tempera... | 11/18/2003 |
| 6594594 | Method for unique determination of FET equivalent circuit model parameters A method of uniquely extracting both intrinsic and parasitic components from a single set of measured S-parameters is useful for extracting a single set of measured S-parameters for the development of non-linear Field Effect Transistor (FET) models. Compe... | 07/15/2003 |
| 6593753 | System and method for monitoring substances and reactions Systems, methods, and probe devices for electronic monitoring and characterization using single-ended coupling of a load-pulled oscillator to a system under test.... | 07/15/2003 |
| 6573731 | Electron density measurement and control system using plasma-induced changes in the frequency of a microwave oscillator A method and system for measuring at least one of a plasma density and an electron density (e.g., in a range of 1010 to 1012 electrons/cm-3) using plasma induced changes in the frequency of a microwave oscillator. Measurem... | 06/03/2003 |
| 6466035 | Microwave fluid sensor and a method for using same A microwave sensor (3) for measuring the relative proportions of fluids is provided. The sensor (3) includes a tube (4) having a length (9) for accommodating the fluids flowing through said tube. The length (9) of the tube (4) makes up a part of the senso... | 10/15/2002 |
| 6441695 | Methods for transmitting a waveform having a controllable attenuation and propagation velocity Methods for driving a lossy transmission media with an energy wave defined by a an exponential waveform function. The propagation delay and attenuation of the wave is a function of an exponential coefficient, and its propagation velocity is essentially co... | 08/27/2002 |
| 6396280 | Method and apparatus for measurement and automatic control of acid concentration An acid concentration continuous measuring apparatus is equipped with the combination of a body having a flow path through which pickling solution contained in a pickling tank is made to continuously pass in a single direction, a density sensor, a tempera... | 05/28/2002 |
| 6362632 | Balanced charge pump capacitive material sensor A balanced charge pump sensor circuit (switched capacitor) for measuring the capacitance of a sensor element includes a switching circuit having a charging state during which the sensing element is connected to a relatively fixed upper reference voltage s... | 03/26/2002 |
| 6307385 | Capacitance measuring circuit for a capacitive sensor The circuit and the method are for measuring a capacitance of a capacitive sensor. According to the method, a charging circuit charges the capacitive sensor with a voltage and a discharging circuit discharges the capacitive sensor. A trigger circuit trigg... | 10/23/2001 |
| 6297649 | Harmonic rejection load tuner The present invention discloses a harmonic rejection load pull tuner. The tuner of the invention has a large-band tuner having an input and an output, and a transmission line having a longitudinal axis. The transmission line has an input connected to the ... | 10/02/2001 |
| 6269318 | Method for determining transducer linear operational parameters An apparatus and method for determining a transducers principle operating parameters which utilizes two transfer functions; 1) the transfer function from the pressure response (50) to the voltage drop across the transducer (60); and 2) the transfer functi... | 07/31/2001 |
| 6218847 | Test pattern for use in measuring thickness of insulating layer and method for using the same A test pattern for use in measuring thickness of insulating layer comprising a wiring pattern provided in an insulating layer and a dummy pattern provided in the insulating layer. The wiring pattern has a electrical resistant value depending on the thickn... | 04/17/2001 |
| 6208702 | High frequency clock signal distribution utilizing CMOS negative impedance terminations A system for synchronizing circuit operation within an integrated circuit having a high frequency clock is disclosed. The system includes an oscillator for providing a clock signal, and a clock signal complement. A two conductor transmission line is utili... | 03/27/2001 |
