by heterodyning or by beat-frequency comparison with the harmonic of an oscillator

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CPC
G01R23/145

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GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R23/00Arrangements for measuring frequencies Arrangements for analysing frequency spectra

Current Industry

G01R23/145by heterodyning or by beat-frequency comparison with the harmonic of an oscillator

Industries

Patents Grantslast 30 patents

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Making determination of inductance-change immune to changes in envi...
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- Agency for Defense Development
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- Issue date Jul 2, 2019
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- Issue date Jul 2, 2019
- Horst Siedle GmbH & Co. KG
- Fabian Lurz
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Apparatus for measuring frequency change of an oscillator
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- Issue date Jan 13, 2015
- Keysight Technologioes, Inc.
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Ventricular shunt system and method
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- Issue date Oct 28, 2014
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- Issue date Aug 7, 2012
- Cardiomems, Inc.
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Preventing a false lock in a phase lock loop
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- Issue date Apr 26, 2011
- Cardiomems, Inc.
- Michael Ellis
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Communicating with an implanted wireless sensor
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- Cardiomems, Inc.
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Communicating with an implanted wireless sensor
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Information Patent Grant
Communicating with an implanted wireless sensor
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- Issue date Jun 23, 2009
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Information Patent Grant
Communicating with an implanted wireless sensor
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Information Patent Grant
Communicating with an implanted wireless sensor
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- Issue date Oct 21, 2008
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Information Patent Grant
Communicating with implanted wireless sensor
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- Issue date Jul 17, 2007
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Information Patent Grant
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Information Patent Grant
Very fast swept spectrum analyzer
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- Issue date Mar 2, 2004
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Information Patent Grant
Method for instantaneous frequency measurement
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- Issue date Aug 13, 2002
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Information Patent Grant
Frequency measurement receiver with means to resolve two folding fr...
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- Issue date Jun 21, 1994
- The United States of America as represented by the Secretary of the Air Force
- David B. Choate
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Information Patent Grant
Signal processing system
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- Issue date Feb 14, 1989
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- Paul F. Mahoney
- G01 - MEASURING TESTING
Information Patent Grant
Band discriminating method in a receiver
- Patent number 4,709,407
- Issue date Nov 24, 1987
- Uniden Corporation
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Patents Applicationslast 30 patents

Information Patent Application
MAKING DETERMINATION OF INDUCTANCE-CHANGE IMMUNE TO CHANGES IN ENVI...
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- Augusto Manuel Marques
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Information Patent Application
ANOMALY DETECTION APPARATUS, METHOD AND COMPUTER-READABLE MEDIUM
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APPARATUS AND METHOD FOR MEASURING FREQUENCY OF SIGNAL
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- Publication date Jan 14, 2021
- AGENCY FOR DEFENSE DEVELOPMENT
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- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEMS AND METHODS FOR MEASURING THE FREQUENCY OF SIGNALS GENERATE...
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- Covidien LP
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ELECTRICAL MEASURING SYSTEM AND METHOD FOR OPERATING THE SYSTEM
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Communicating with an Implanted Wireless Sensor
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- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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VENTRICULAR SHUNT SYSTEM AND METHOD
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Preventing a False Lock in a Phase Lock Loop
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- Publication number 20090115396
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Communicating with an Implanted Wireless Sensor
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High-frequency detection method and high-frequency detection circuit
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Very fast swept spectrum analyzer
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by heterodyning or by beat-frequency comparison with the harmonic of an oscillator

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Making determination of inductance-change immune to changes in envi...

Apparatus and method for measuring frequency of signal

Systems and methods for measuring the frequency of signals generate...

Electrical measuring system and method for operating the system

Apparatus for measuring frequency change of an oscillator

Ventricular shunt system and method

Communicating with an implanted wireless sensor

Preventing a false lock in a phase lock loop

Communicating with an implanted wireless sensor

Communicating with an implanted wireless sensor

Communicating with an implanted wireless sensor

Communicating with an implanted wireless sensor

Communicating with an implanted wireless sensor

Communicating with implanted wireless sensor

High-frequency detection method and high-frequency detection circuit

Very fast swept spectrum analyzer

Method for instantaneous frequency measurement

Frequency measurement receiver with means to resolve two folding fr...

Signal processing system

Band discriminating method in a receiver

Patents Applicationslast 30 patents

MAKING DETERMINATION OF INDUCTANCE-CHANGE IMMUNE TO CHANGES IN ENVI...

ANOMALY DETECTION APPARATUS, METHOD AND COMPUTER-READABLE MEDIUM

APPARATUS AND METHOD FOR MEASURING FREQUENCY OF SIGNAL

SYSTEMS AND METHODS FOR MEASURING THE FREQUENCY OF SIGNALS GENERATE...

ELECTRICAL MEASURING SYSTEM AND METHOD FOR OPERATING THE SYSTEM

Communicating with an Implanted Wireless Sensor

VENTRICULAR SHUNT SYSTEM AND METHOD

Communicating With an Implanted Wireless Sensor

Preventing a False Lock in a Phase Lock Loop

Communicating with an Implanted Wireless Sensor

Communicating with an Implanted Wireless Sensor

Communicating with an Implanted Wireless Sensor

Communicating with an Implanted Wireless Sensor

High-frequency detection method and high-frequency detection circuit

Very fast swept spectrum analyzer