Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-5,870,004 |
Temperature compensated frequency generating circuit The frequency of an integrated oscillator is held constant by using temperature compensation to compensate for the component variations due to temperature... |
| US-5,870,003 |
High frequency phase-locked loop circuit having reduced jitter A phase-locked loop circuit for providing external clock signals to a processor is disclosed. The phase-locked loop circuit includes a phase/frequency detector,... |
| US-5,870,002 |
Phase-frequency lock detector A method and circuitry for detecting when a PLL achieves phase and frequency-lock to a reference frequency with minimal hardware and power dissipation are... |
| US-5,870,001 |
Apparatus, and associated method, for calibrating a device Apparatus, and an associated method, for calibrating a device responsive to values of a reference signal. The reference signal may be subject to short-term... |
| US-5,870,000 |
Oscillation circuit and PLL circuit using same An oscillation circuit for producing an output whose frequency accords with an input voltage value, comprises a first constant current source whose current has a... |
| US-5,869,999 |
Open loop pre-amplifier for an electronic measuring system A fast, open-loop amplifier for an electronic measuring system is formed by a folded, differential, open-loop amplifier. This amplifier includes a differential... |
| US-5,869,998 |
Amplifier circuit having independent gain and response time adjustments An amplifier circuit (20) having independent gain and response time adjustments includes an amplifier (22), a response time resistor (30), a variable gain... |
| US-5,869,997 |
Intermediate potential generating circuit In an intermediate potential generating circuit provided in a DRAM, a reference potential generating circuit includes two combinations of a resistor element... |
| US-5,869,996 |
Semiconductor composite element, and method of detecting abnormal
conditions in an inverter device having the... A semiconductor composite element in which abnormal conditions of overcurrent, control supply voltage reduction and overheat are detected, and different... |
| US-5,869,995 |
Output stage having a high disabled output impedance and a low power
integrated back buffer to provide disabled... A high impedance node of a transimpedance stage drives the input of a unity-gain forward buffer. A unity-gain integrated back-buffer is enabled to drive the... |
| US-5,869,994 |
Level converter circuit converting input level into ECL-level against
variation in power supply voltage A level converter circuit includes a differential amplifier 20 having a load resistor 8 supplied at its one end with a voltage which is stabilized against the... |
| US-5,869,993 |
Distortion compensation for a capacitively loaded follower The odd harmonic distortion components in the output signal of a capacitively loaded follower transistor is reduced by means of an additional transistor inserted... |
| US-5,869,992 |
Delay time control circuit A delay time control circuit controls delay times without a significant increase of power consumption or circuit components. The delay time control circuit for... |
| US-5,869,991 |
Automatic runaway detector and reset circuit A circuit prevents continuation of a runaway condition in a micro-controller. When the output terminal in a C-MOS push-pull structure of the micro-controller... |
| US-5,869,990 |
Self-timed semiconductor integrated circuit device A semiconductor integrated circuit device is provided which includes at least one first functional circuit block which receives an input signal and executes a... |
| US-5,869,989 |
Amplifying electronic circuit with stable idling current The semiconductor types of first and second semiconductor type transistors are different from one another and the two transistors are connected in series. An... |
| US-5,869,988 |
High speed write driver for inductive heads A write driver for an inductive head of a magnetic storage medium that induces a faster write current switch across an inductive head element of a magnetic... |
| US-5,869,987 |
Fast response comparator A comparator with output that responds quickly to changes in input. The comparator is made up of three stages, an input sampling network, a first amplifier... |
| US-5,869,986 |
Power level sense circuit A power level sense circuit which is substantially immune to variations in integrated circuit processing and operating temperature. The sense circuit uses a... |
| US-5,869,985 |
Low voltage input buffer A differential input buffer operable at power supply voltages below 3.0 V comprises first and second field effect transistors connected between a power supply... |
| US-5,869,984 |
Output buffer circuit utilizing FETS for lowering output resistance of a
circuit block An output buffer circuit includes a portion for receiving an input signal in which a level thereof is changed from a high level to a low level and vice versa,... |
| US-5,869,983 |
Method and apparatus for controlling compensated buffers A method and an apparatus for controlling compensated buffer circuits. In one embodiment, a compensation buffer control circuit includes a compensation unit with... |
| US-5,869,982 |
Programmable I/O cell with data conversion capability A programmable I/O cell with a multiplicity of configurations and data conversion options implemented through the use of antifuses. Increased logic utilization... |
| US-5,869,981 |
High density programmable logic device Each programmable logic device in at least two families of high density segmented programmable array logic device utilizes a programmable switch interconnection... |
| US-5,869,980 |
Programming programmable transistor devices using state machines An integrated circuit with programmable transistors is programmed via a state machine on the integrated circuit. For example, the integrated circuit may be a... |
| US-5,869,979 |
Technique for preconditioning I/Os during reconfiguration A technique for configuring programmable integrated circuits. The technique involves preconditioning or predefining the outputs and I/Os of a programmable... |
| US-5,869,978 |
Circuit for removing noise components of oscillator Disclosed is a circuit for removing noise components included in a signal which an oscillator generates by using an integrator and hysteresis characteristic. The... |
| US-5,869,977 |
Defect insertion testability mode for IDDQ testing methods A Defect Insertion Testability Mode for IDDQ Testing to detect defects in a semiconductor device and for accuracy correction during testing. In one embodiment of... |
| US-5,869,976 |
Fine alignment IC handler and method for assembling same The apparatus of the present invention includes a frame for attaching the clamp of a hand test socket to a workpress assembly of a high-speed IC handler. The... |
| US-5,869,975 |
System for evaluating probing networks that have multiple probing ends An interconnect assembly for evaluating a probe measurement network includes a base, respective first, second and third device-probing areas arranged on an upper... |
| US-5,869,974 |
Micromachined probe card having compliant contact members for testing
semiconductor wafers A probe card for testing semiconductor dice contained on a wafer and a method for fabricating the probe card are provided. The probe card includes a substrate... |
| US-5,869,973 |
Time-domain dielectric spectroscopy method and apparatus A time-domain dielectric spectroscopy device and method are described wherein measurements are taken of the absorption and dielectric response function of a... |
| US-5,869,972 |
Testing device using a thermochromic display and method of using same A testing device for qualitatively or quantitatively sensing an electrochemical or analogous reaction at the surface of a test strip (46), the current flowing or... |
| US-5,869,971 |
Method and apparatus for ratiometric measurement of hematocrit A method and apparatus for measuring resistance of a blood sample in order to determine the hematocrit of that blood sample. The present invention makes a direct... |
| US-5,869,970 |
Power management system for an implantable device A power management system for an implantable device is disclosed. One application is an implantable cardioverter/defibrillator. Charging circuits for implantable... |
| US-5,869,969 |
Battery charger/rectifier voltage temperature compensation circuit
including protection and diagnostic scheme A temperature compensation module for use with battery charger/rectifier units. The compensation module is used to vary the battery charger output voltage as a... |
| US-5,869,968 |
Method and apparatus for avoiding mutual coupling between receivers in
measurement while drilling An arrangement of two closely spaced transmitters and two spaced apart receivers symmetrically disposed about the transmitters in a measurement while drilling... |
| US-5,869,967 |
Device for the detection of objects, especially explosive objects, lying
in the earth There is described a device for the detection of objects lying in the earth which, irrespective of topography, soil structure and state of the terrain, permits... |
| US-5,869,966 |
Radio frequency coil switching In Magnetic Resonance Imaging Apparatus, it is necessary to switch the radio frequency electric coils which are positioned around the patient in the imaging... |
| US-5,869,965 |
Correction of artifacts caused by Maxwell terms in MR echo-planar images A method for correcting Maxwell field induced distortion, ghosting, and blurring artifacts in non-axially oriented EPI images is disclosed. In one embodiment... |
| US-5,869,964 |
Magnetic resonance imaging apparatus in which gradient echo signals are
acquired at a time distant from the... A magnetic resonance imaging apparatus capable of obtaining a brain functional image without spending much time and of facillitating to distinguish a vein... |
| US-5,869,963 |
Magnetoresistive sensor and head PtMn films are used as antiferromagnetic layers of a dual spin-valve type magnetoresistive sensor. An exchange anisotropic magnetic field is achieved regardless... |
| US-5,869,962 |
Magnetic detection apparatus for detecting movement of an object having
a nonuniform system of teeth A magnetic detection apparatus detects movement of an object having a nonuniform system of teeth by means of magneto-electric conversion devices, wherein... |
| US-5,869,961 |
Smart IC-test receptacle having holes adapted for mounting capacitors
arranged adjacent to pin positions A method for customizing a printed circuit board comprises steps of registering a template to the PCB, the template having an opening in registration defining a... |
| US-5,869,960 |
Digital power consumption meter for displaying instantaneous and
consumed electric power of an electrical device A portable power meter is provided for measuring and displaying the real instantaneous power and consumed power of a portable or permanently mounted electrical... |
| US-5,869,959 |
Spectrum analyzer A spectrum analyzer includes a synchronizing signal input terminal (27A) and a sweep control signal generator (32) inserted between the synchronizing signal... |
| US-5,869,958 |
Method of and apparatus for determining a response characteristic A method of determining a response characteristic of a microwave device includes coupling a microwave resonator to the device, loading the resonator with... |
| US-5,869,957 |
Voltage divider circuit, differential amplifier circuit and
semiconductor integrated circuit device A voltage divider circuit comprises first and second transistor pairs 1 and 2 connected in series between a first standard voltage terminal VD and a second... |
| US-5,869,956 |
Solar power generation apparatus and power control device therefor In order to extract maximum power from a solar cell, maximum power point tracking (MPPT) control is performed under ordinary circumstances. If the output current... |
| US-5,869,955 |
Apparatus and method for displacing noise on a signal from the detection
threshold of an electronic controller An adapter designed to connect a dc to dc power converter between a dc power supply and an electronic sensor that provides inputs to an electronic controller.... |
Copyright 2008−2012 Patents.com
