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| Patent # | Description |
|---|---|
| US-6,084,498 |
Magnetic decoupler An improved magnetic decoupler with a magnetic field shape, strength and gradient optimized for releasing security tags, such as an antitheft device of the type... |
| US-6,084,497 |
Superconducting magnets A compact magnet is disclosed for high field, superconducting magnets for use in magnetic resonance spectroscopy. The magnet has at least a first and a second... |
| US-6,084,496 |
Magnetizing method for a permanent-magnet motor In a method of magnetizing a material of a permanent magnet portion provided in a rotor for a permanent-magnet motor, the material of the permanent magnet... |
| US-6,084,495 |
Method and apparatus for providing a spiraled radial magnetic identifier
for locating non-metallic linear objects An apparatus for radially magnetizing ceramic ferrite in a non-conductive pipe in a lengthwise pattern. The apparatus having two oppositely polarized fixed... |
| US-6,084,494 |
Shuntable magnetic mask support apparatus A mask support device including two communicating elements, a first element having ferromagnetic shunts, and a second element containing permanent magnets, and... |
| US-6,084,493 |
Electromagnetic valve with integrated non-return valve A magnet valve having a rod-like base body for insertion into a stepped bore of a hydraulic block through which a valve tappet reaches a valve closing ball and... |
| US-6,084,492 |
Magnetic actuator A bistable permanent-magnet actuator is disclosed having a tailored switching/position force characteristic, with an adequate, modifiable holding force in the... |
| US-6,084,491 |
Permanent magnetic reluctor structures and methods In the preferred embodiment, a variable magnetic reluctor structure comprng an iron yoke having two opposing "U"-shaped bodies, magnetic flux sources formed by... |
| US-6,084,490 |
Saddle shaped deflection winding having a winding space within a
predetermined angular range An deflection yoke for a color cathode ray tube includes a saddle shaped vertical deflection coil and a saddle shaped horizontal deflection coil. The horizontal... |
| US-6,084,489 |
Circuit breaker rotary contact assembly locking system The circuit breaker is characterized by separable contacts operable between a closed and an open position a contact arm having a latching surface and a latch... |
| US-6,084,488 |
Compact high current relay A compact high current relay is provided having first and second fixed contacts connected in circuit relationship with the apparatus to be controlled; an... |
| US-6,084,487 |
Helical filter with a removable tap housing A high frequency filter kit in which resonating first and second electrical circuits are enclosed between proximal and distal ends of a filter case. Partitioning... |
| US-6,084,486 |
Controllable filter and high frequency apparatus using the same A filter comprises an inductor, a first variable capacitance diode, a second variable capacitance diode having nearly identical characteristic as the first... |
| US-6,084,485 |
Broad-bandwidth balun with polyiron cones and a conductive rod in a
conductive housing The invention provides a balun capable of operation over a range including micro and millimeter wavelengths. The balun includes a set of ferrite beads, and a set... |
| US-6,084,484 |
Programmable precise frequency divider A programmable precise frequency divider cooperating with a low frequency crystal and an oscillating circuit is disclosed. The divider includes a low frequency... |
| US-6,084,483 |
Internal oscillator circuit including a ring oscillator controlled by a
voltage regulator circuit An oscillator circuit residing internally to a semiconductor device for generating a clock signal for use by digital circuits. The oscillator circuit includes a... |
| US-6,084,482 |
Oscillatory circuit having built-in test circuit for checking
oscillating signal for duty factor A C-R oscillator generates a clock signal at a predetermined frequency determined by a capacitor and a resistor, and a test circuit is connected between the C-R... |
| US-6,084,481 |
Phase locking method and apparatus using switched drive signal A phase locking method and apparatus use an applied drive signal to acquire and maintain phase lock, and to prevent false locking in the presence of spurious... |
| US-6,084,480 |
Phase locked loop circuit including voltage controlled oscillator and
low pass filter A PLL circuit of which pull-in time is reduced. The PLL circuit comprises a voltage controlled oscillator; a frequency divider which divides the frequency of the... |
| US-6,084,479 |
Circuit, architecture and method(s) of controlling a periodic signal
generating circuit or device An apparatus comprising a phase-locked loop, a select circuit and a control circuit. The phase-locked loop may be configured to generate a feedback signal (along... |
| US-6,084,478 |
Transimpedance amplifier with automatic gain control A transimpedance amplifier in an optical communication system is provided with automatic gain control (AGC) for increasing the input operating range while... |
| US-6,084,477 |
Class AB output stage for an audio power amplifier An output stage of an amplifier circuit includes a sinking bipolar circuit 22 for sinking current from an external load 12; a sourcing MOS transistor 14 for... |
| US-6,084,476 |
Operational amplifier In an operational amplifier constituted by a differential stage which receives two input signals IN- and IN+ and outputs a signal NGP corresponding to the... |
| US-6,084,475 |
Active compensating capacitive multiplier A compensated amplifier, for amplifying an input signal applied to an input node to provide an output signal at an amplifier output node. The compensated... |
| US-6,084,474 |
Auto gain controller having temperature compensation function An auto gain controller having a temperature compensation function includes a transistor having a gate terminal, a drain terminal and a source terminal, and a... |
| US-6,084,473 |
Multipoint controlled high dynamic range variable gain amplifier Variable gain amplifiers comprised of multiple variable gain stages, wherein the gain of the various stages is controlled by comparisons of a control voltage... |
| US-6,084,472 |
Multi-tanh triplet with optimal biasing A biasing scheme for a multi-tanh amplifier improves the dynamic range of the amplifier by utilizing emitter degeneration resistors to reduce uncorrelated noise... |
| US-6,084,471 |
Soft-limiting control circuit for variable gain amplifiers The input AGC and reference (REF) voltages are converted to currents and provided as differential inputs to a current amplifier. The current amplifier scales... |
| US-6,084,470 |
Filter circuit capable of setting various filter characteristics In this filter circuit, the emitter of a transistor Q1 is connected to the collector of a transistor Q2, and the base of the transistor Q2 is connected to the... |
| US-6,084,469 |
MR-preamp using collector and emitter coupling integrated capacitors A circuit and method for lowering the corner frequency of a differential preamplifier having an AC coupling circuit includes a compensation circuit to adjust the... |
| US-6,084,468 |
Method and apparatus for high efficiency wideband power amplification A method and apparatus for efficient power amplification of a wideband signal with a correspondingly wide modulation bandwidth includes an envelope detector... |
| US-6,084,467 |
Analog amplifier clipping circuit An analog clipping circuit includes: a main amplifier 20; a feedback resistor 26 coupled between a first input of the main amplifier 20 and an output of the main... |
| US-6,084,466 |
Variable gain current summing circuit with mutually independent gain and
biasing A mixing circuit for combining biasing and signals using a selectively variable signal gain which is independent of the biasing and using biasing which is... |
| US-6,084,465 |
Method for time constant tuning of gm-C filters In this invention a time constant tuning circuit is described in which a reference clock frequency is used to adjust the gm of a transconductor and as a result... |
| US-6,084,464 |
On-chip decoupling capacitor system with parallel fuse An-on-chip decoupling capacitor system for an integrated circuit comprises parallel capacitive and fusible paths between power and ground. The capacitive path... |
| US-6,084,463 |
Fuse circuit An LSI is formed with two signal I/O circuits for generating signals supplied to an internal circuit in the LSI to reduce a developing period of the LSI, and a... |
| US-6,084,462 |
Temperature sensing circuits A temperature sensing circuit suitable for integration with a power semiconductor device (MOSFET/IGBT) includes temperature-sensing p-n diode means (D1, D2, etc... |
| US-6,084,461 |
Charge sensitive amplifier with high common mode signal rejection A charge sensitive amplifier with high common mode signal rejection includes an NPN bipolar junction transistor (BJT) and a P-channel metal oxide semiconductor... |
| US-6,084,460 |
Four quadrant multiplying circuit driveable at low power supply voltage A four quadrant multiplying circuit includes a first compression circuit having a PMOS differential input structure for reducing and outputting a first input... |
| US-6,084,459 |
Voltage level shifting circuit An improved voltage level shifting circuit which is capable of increasing a level shifting speed and reducing a current consumption and layout area by decreasing... |
| US-6,084,458 |
Bi-directional transistor structure A bi-directional transistor structure is provided, which can help solve the problem of degraded performance due to hot carrier injection (HCI) effect that is... |
| US-6,084,457 |
Method and apparatus for clamping a high-speed digital signal delivered
over a transmission line A clamping circuit useful in reducing ringing on a transmission line is described. The clamping circuit includes a pair of transistors coupled between the... |
| US-6,084,456 |
Schmidt trigger circuit A schmidt trigger circuit capable of realizing stabilized output signals and a low-voltage/high-speed process includes an input unit for inverting input signals... |
| US-6,084,455 |
High-speed CMOS latch A high-speed CMOS latch includes at each storage node a pull-up P-transistor with its gate tied to a dynamic node, and a pull-down N-transistor with its gate... |
| US-6,084,454 |
Start-up circuit for write selects and equilibrates Some logic circuits preferentially reside in a particular state. Advantages are gained by a circuit that forces the circuit to the preferential state but allows... |
| US-6,084,453 |
Clock converting circuit A cycle measuring circuit 3 measures a cycle of an external clock signal, which is approximately m times a unit time. A number converting circuit 5 and a time... |
| US-6,084,452 |
Clock duty cycle control technique An apparatus adjusts the duty cycle of a single-ended clock signal. The single-ended clock signal oscillates between first and second voltages. The apparatus... |
| US-6,084,451 |
Pulse width modulation controller operational in both current and
voltage mode A pulse width modulation controller is shown which includes an error amplifier, a multiplying portion, an oscillator, a comparator, a flop-flop and a logic gate.... |
| US-6,084,450 |
PWM controller with one cycle response A new nonlinear control technique that has one cycle response, does not need a resettable integrator in the control path, and has nearly constant switching... |
| US-6,084,449 |
Phase modulator circuit An input signal and a signal obtained by delaying that input signal are compared, an output signal is produced based on the amount of the delay, and the output... |
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