Marconi Instruments Limited

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Patents Grantslast 30 patents

Information Patent Grant
Signal generator for testing radio frequency components
- Patent number 5,974,362
- Issue date Oct 26, 1999
- Marconi Instruments Limited
- David P Owen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Equipment for testing electronic circuitry
- Patent number 5,790,411
- Issue date Aug 4, 1998
- Marconi Instruments Limited
- Alan John Nelson
- G01 - MEASURING TESTING
Information Patent Grant
Frequency synthesizer
- Patent number 5,781,600
- Issue date Jul 14, 1998
- Marconi Instruments Limited
- John Michael Reeve
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of and apparatus for reducing the size of a display while su...
- Patent number 5,526,473
- Issue date Jun 11, 1996
- Marconi Instruments Limited
- Naran L. V. Patel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Instrument for measuring the frequency and power of a microwave signal
- Patent number 5,463,310
- Issue date Oct 31, 1995
- Marconi Instruments Limited
- Timothy J. Pegg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of testing continuity of a connection between an integrated...
- Patent number 5,399,975
- Issue date Mar 21, 1995
- Marconi Instruments Limited
- Mark A. Laing
- G01 - MEASURING TESTING
Information Patent Grant
Waveform generators using digitally generator superimposed waveforms
- Patent number 5,375,065
- Issue date Dec 20, 1994
- Marconi Instruments Limited
- David P. Owen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Single device under test (DUT) port common reference/matching imped...
- Patent number 5,363,049
- Issue date Nov 8, 1994
- Marconi Instruments Limited
- Andrew G. Bullock
- G01 - MEASURING TESTING
Information Patent Grant
Microwave frequency synthesizer having selectable oscillator source...
- Patent number 5,237,291
- Issue date Aug 17, 1993
- Marconi Instruments Limited
- George Hjipieris
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus for synthesizing a composite RF signal suitable for use a...
- Patent number 5,170,486
- Issue date Dec 8, 1992
- Marconi Instruments Limited
- Neil E. Thomas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable frequency signal generator
- Patent number 5,079,522
- Issue date Jan 7, 1992
- Marconi Instruments Limited
- David P. Owen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Attenuator switchably coupled to transmission path and means for sw...
- Patent number 5,061,909
- Issue date Oct 29, 1991
- Marconi Instruments Limited
- George Hjipieris
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency counter
- Patent number 4,984,254
- Issue date Jan 8, 1991
- Marconi Instruments Limited
- Neil E. Thomas
- G01 - MEASURING TESTING
Information Patent Grant
Connector
- Patent number 4,955,826
- Issue date Sep 11, 1990
- Marconi Instruments Limited
- Christopher M. Potter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency synthesizer
- Patent number 4,914,405
- Issue date Apr 3, 1990
- Marconi Instruments Limited
- John N. Wells
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency or phase modulation
- Patent number 4,870,384
- Issue date Sep 26, 1989
- Marconi Instruments Limited
- Neil E. Thomas
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase detector
- Patent number 4,868,512
- Issue date Sep 19, 1989
- Marconi Instruments Limited
- Roger F. Bridgman
- G01 - MEASURING TESTING
Information Patent Grant
Phase comparators
- Patent number 4,851,784
- Issue date Jul 25, 1989
- Marconi Instruments Limited
- John N. Wells
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for dry testing water-immersible acoustic tran...
- Patent number 4,838,070
- Issue date Jun 13, 1989
- Marconi Instruments Limited
- Liam P. Bradley
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Measuring adjacent channel power
- Patent number 4,810,960
- Issue date Mar 7, 1989
- Marconi Instruments Ltd.
- David P. Owen
- G01 - MEASURING TESTING
Information Patent Grant
Six-port reflectometer test arrangement and method including calibr...
- Patent number 4,808,912
- Issue date Feb 28, 1989
- Marconi Instruments Limited
- Christopher M. Potter
- G01 - MEASURING TESTING
Information Patent Grant
Signal measurement
- Patent number 4,807,035
- Issue date Feb 21, 1989
- Marconi Instruments Limited
- Leigh S. Sayliss
- G01 - MEASURING TESTING
Information Patent Grant
Electrical apparatus
- Patent number 4,795,970
- Issue date Jan 3, 1989
- Marconi Instruments Limited
- David P. Owen
- G01 - MEASURING TESTING
Information Patent Grant
Electrical interface arrangement
- Patent number 4,780,086
- Issue date Oct 25, 1988
- Marconi Instruments Limited
- Frank H. Jenner
- G01 - MEASURING TESTING
Information Patent Grant
Test arrangement
- Patent number 4,777,429
- Issue date Oct 11, 1988
- Marconi Instruments Limited
- Christopher M. Potter
- G01 - MEASURING TESTING
Information Patent Grant
Electrical apparatus
- Patent number 4,771,442
- Issue date Sep 13, 1988
- Marconi Instruments Limited
- Damer E. O. Waddington
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Six-port reflectometer test arrangement
- Patent number 4,769,592
- Issue date Sep 6, 1988
- Marconi Instruments Limited
- Christopher M. Potter
- G01 - MEASURING TESTING
Information Patent Grant
Microwave power sensors
- Patent number 4,733,170
- Issue date Mar 22, 1988
- Marconi Instruments Limited
- Paul A. McAllister
- G01 - MEASURING TESTING
Information Patent Grant
Attenuators
- Patent number 4,672,336
- Issue date Jun 9, 1987
- Marconi Instruments Limited
- Neil E. Thomas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency counting arrangement
- Patent number 4,651,089
- Issue date Mar 17, 1987
- Marconi Instruments Limited
- James E. Haigh
- G01 - MEASURING TESTING

Marconi Instruments Limited

Organization

Patents Grantslast 30 patents

Signal generator for testing radio frequency components

Equipment for testing electronic circuitry

Frequency synthesizer

Method of and apparatus for reducing the size of a display while su...

Instrument for measuring the frequency and power of a microwave signal

Method of testing continuity of a connection between an integrated...

Waveform generators using digitally generator superimposed waveforms

Single device under test (DUT) port common reference/matching imped...

Microwave frequency synthesizer having selectable oscillator source...

Apparatus for synthesizing a composite RF signal suitable for use a...

Variable frequency signal generator

Attenuator switchably coupled to transmission path and means for sw...

Frequency counter

Connector

Frequency synthesizer

Frequency or phase modulation

Phase detector

Phase comparators

Method and apparatus for dry testing water-immersible acoustic tran...

Measuring adjacent channel power

Six-port reflectometer test arrangement and method including calibr...

Signal measurement

Electrical apparatus

Electrical interface arrangement

Test arrangement

Electrical apparatus

Six-port reflectometer test arrangement

Microwave power sensors

Attenuators

Frequency counting arrangement