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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 7285964 | Method for signal extraction in a universal sensor IC A apparatus and method for creating a universally usable and configurable sensor platform which is used in conjunction with various sensor and sensing elements to sense and measure environmental conditions which incorporates inputs from multiple sensors 6-... | 10/23/2007 |
| 7279909 | Signal coincidence detection circuit Signal coincidence detection circuits and methods implemented in such circuits are disclosed. An example signal coincidence detection circuit includes a first differential transistor pair, a second differential transistor pair coupled with the first differential tra... | 10/09/2007 |
| 7168150 | Method of making a resonant frequency tag A method of making a resonant frequency tag which resonates at a predetermined frequency. The method involves providing a first conductive pattern having an inductive element and a first land and a second conductive pattern having a second land and a third land whic... | 01/30/2007 |
| 7122983 | Rotating angle detecting apparatus and electric power steering apparatus The invention provides an electric power steering apparatus which can detect a ground fault of an angular resolver without fault. Values of a first resistance (R1), a second resistance (R2), a third resistance (R3) and a fourth resistance (R4... | 10/17/2006 |
| 7076858 | Method for controlling resonant tag frequency A method of making a resonant frequency tag having a predetermined frequency comprises forming a first conductive pattern comprising an inductive element and a first land having a first end connected to an inductive element end, and a second end spaced a predetermin... | 07/18/2006 |
| 6993812 | Method of manufacturing the piezoelectric transducer Inner individual electrodes are formed at intervals on a piezoelectric ceramic layer so as to correspond in a one-to-one relationship with ink channels, and an inner common electrode are formed on another piezoelectric ceramic layer. The required number of piezoelec... | 02/07/2006 |
| 6967488 | Double-mirror short-circuit detection The current mirror configuration includes four branches, a biasing branch, a first comparator branch, a second comparator branch and a measurement branch. The measurement branch is connected to a pad of the IC device and a measurement current is charged on to the pa... | 11/22/2005 |
| 6956383 | Method and apparatus for implementing automated electronic package transmission line characteristic impedance verification A method and apparatus are provided for implementing automated electronic package transmission line characteristic impedance verification. A sinusoidal voltage source is coupled to a transmission line test structure for generating a selected frequency. Impedance mea... | 10/18/2005 |
| 6925701 | Method of making a series of resonant frequency tags A method of making a resonant frequency tag which resonates at a predetermined frequency. The method involves providing a first conductive pattern having an inductive element and a first land and a second conductive pattern having a second land and a third land whic... | 08/09/2005 |
| 6882163 | Measured value detecting device A measured value detecting apparatus includes a measuring unit possessing a winding coil capable of generating an output signal corresponding to a measured value and independent of a direct-current component, a detecting unit possessing a receiving unit for receivin... | 04/19/2005 |
| 6882162 | System for the wireless transmission of information and/or energy between a removable vehicle seat and the vehicle body A system for the wireless transmission of information and energy between a removable vehicle seat and the vehicle body, in which the vehicle seat is detected by measuring the inductance. In this connection, the period of an oscillating circuit is determined, in whic... | 04/19/2005 |
| 6867602 | Methods and systems for capacitive balancing of relative humidity sensors having integrated signal conditioning Methods of and systems for balancing the capacitance of a common series capacitive circuit in a semiconductor-based sensor, such as a humidity sensor, are described. Relative humidity sensors can provide measurements via a series capacitive circuit including a humid... | 03/15/2005 |
| 6803773 | Method and circuit for detecting a change in inductance A method and circuit for detecting a change in inductance of a variable inductance element. An oscillating signal has a frequency that varies with inductance of the element. An intermediate voltage is produced at a level that varies according to frequency of the osc... | 10/12/2004 |
| 6782336 | Test outputs using an idle bus A test circuit receives a plurality of internal test signals and delivers a group of the plurality of internal test signals onto a bus during an idle state of the bus. The bus is coupled to output pins so that the group of internal test signals can be used in debugg... | 08/24/2004 |
| 6710594 | Method and apparatus supporting magnetic performance measurement of merged read-write heads using the write current and read current A test system and method determining performance of a merged magnetoresistive read-write head based upon operating the write inductive head of the merged read-write head, measuring the resistance of the read head under certain read current bias conditions and findin... | 03/23/2004 |
| 6688715 | Low impedance diagnostic for gun driver and method An apparatus for detecting a low impedance load on an output of a driver circuit electrically connected to a coil of a fluid dispensing gun. The driver circuit provides a plurality of output signals to the coil in response to respective drive signals. Eac... | 02/10/2004 |
| 6580262 | Method and device for measuring the position of a metal strip A method for inductively measuring the position of a metal strip is proposed, in which, at least on one side of the strip, a primary coil fed by AC voltage is arranged on one side of a strip edge and a secondary coil is arranged on the other side of the s... | 06/17/2003 |
| 6535694 | Finger actuated device having a proximity detector The present invention is a button on a device that has the ability to detect when a finger touches or is proximate to the button, especially to cause the initiation of a particular feature/function of the device. The button includes a proximity detector t... | 03/18/2003 |
| 6489787 | Gas detection circuit A circuit capable of detecting natural gas at a wide range of concentrations is disclosed. The gas detection circuit includes a catalytic Wheatstone bridge circuit and an analyzing Wheatstone bridge circuit. A circuit for detecting natural gas, which incl... | 12/03/2002 |
| 6384596 | Variable inductance transducer circuit producing an electrical current and voltage output This Inductive Displacement Transducer relates to a new and useful set of embodiments for a comparator-type relaxation oscillator circuit where the frequency is controlled by variable inductance. Each oscillation of said circuit discharges a fixed amount ... | 05/07/2002 |
| 5889406 | Inductance-change detection apparatus The inductance-change detection apparatus comprises an inductance-change converter that converts inductance-change in coils into voltage to output, a reference-voltage generator that generates and outputs a predetermined reference voltage, a frequency cha... | 03/30/1999 |
| 5608318 | Inductive sensor circuit with coil resistance compensation A sensor circuit has coils 3a, 3b whose inductances change in response to a change in a physical quantity. A drive circuit 4A applies an a.c. drive voltage to the coils. A voltage detector circuit 5 senses the voltage across each coil. A current integrati... | 03/04/1997 |
| 5589778 | Sensor drive circuit A sensor drive circuit which accurately detects the amount of variation in inductance of a coil serving as a variable sensor. A peak detector circuit detects a peak value of a difference signal between a variable-amplitude signal and an intermediate signa... | 12/31/1996 |
| 5438273 | System for testing the voice coil element of a disk drive rotary actuator A system for testing a voice coil member of a rotary actuator head stack assembly (HSA) of a disk drive includes a plurality of testing circuits, each of which selectively performs at least one predefined test on the voice coil member. During testing, the... | 08/01/1995 |
| 5394084 | Method and apparatus for reducing errors in eddy-current conductivity measurements due to lift-off by interpolating between a plurality of reference conductivity measurements An eddy-current apparatus for measuring the conductivity of a conductive material and for reducing the influence of lift-off on conductivity measurements is provided. The apparatus includes a probe for inducing an eddy-current in a conductive material and... | 02/28/1995 |
| 5332966 | Method of compensating for the temperature of inductive sensors In a method and with a circuit for compensating for the temperature of inductive sensors having at least one coil from the inductance of which an output variable is formed as measure for a physical variable to be measured, a variable which is dependent on... | 07/26/1994 |
| 5239289 | Tunable inductor A compact, wide range inductor capable of being trimmed to a desired frequency value, comprising at least two individually tunable inductive elements of different resolution, disposed upon an insulative support. The inductor is usually placed within a hyb... | 08/24/1993 |
| 5204633 | Electromagnetic contactor with closure fault indicator An electromagnetic contactor assembly with a sensing circuit for determining contactor state based upon the reluctance of the contactor coil. The coil has an electromagnetic coil and a movable contact separated from the coil by a gap when the coil is not ... | 04/20/1993 |
| 5121482 | Circuit and method for automatic input-output configuration through local area network detection The invented circuit includes an I/O driver capable of supplying current to an I/O connector, a current detection circuit that may include a current limit resistor and a differential amplifier, a comparator to compare the level of current to a predetermin... | 06/09/1992 |
| 5087884 | Open head detection circuit and method An open head detection circuit for detecting an open-circuit condition in a magnetic head connected to head contacts. The detector circuit includes a threshold source which generates a threshold voltage that is between a head contact voltage representativ... | 02/11/1992 |
| 5043557 | Load voltage detecting device for use in an apparatus for supplying a current variable with time to a load section A load voltage detecting device for use in an apparatus for supplying a current variable with time to a load section. The load voltage detecting device for an apparatus such as a pulsed are welding machine can accurately detect the load voltage from the o... | 08/27/1991 |
| 4467272 | Circuit for measuring inductance changes A Schmitt trigger circuit is caused to oscillate by a time-constant circuit including a reference inductor. The changing inductance of a variable inductor, for example, an inductive transducer for measuring mechanical movements, is switched into the same ... | 08/21/1984 |
| 4439724 | Apparatus for determining the number of turns of a magnetic coil Apparatus for determining the number of turns of a test coil wound on a magnetic core comprising a reference coil with a pre-fixed number of turns wound on a reference core and coupled to a resistive load. The test coil is linked to the reference coil by ... | 03/27/1984 |
| 4258315 | Inductance meter A direct reading inductance meter applies linearly increasing ramp current pulses to a coil under test and compares the voltage developed across the coil during occurrence of the pulses with the voltage developed across the coil while a steady state curre... | 03/24/1981 |
| 4074186 | Conductivity measuring instrument having linearization means and a digital read-out Conductivity measuring instruments are provided in which a test coil is supplied with alternating current and a detector responds to the voltage across the test coil to develop an analog voltage which is applied to a linearization circuit to develop an ou... | 02/14/1978 |
| 3932806 | Surge comparison type coil tester Low voltage pulses are applied to a pulse transformer to produce high voltage pulses, which are in turn applied through a capacitor and a diode to the coil under test and to a standard reference coil. The waveforms of the resulting surge currents through ... | 01/13/1976 |
