Neil Brown Instruments Systems, Inc.

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Cataumet, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Band-pass amplifier filters
- Patent number 4,539,525
- Issue date Sep 3, 1985
- Neil Brown Instrument Systems, Inc.
- Neil L. Brown
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog to digital converter for precision measurements of A.C. signals
- Patent number 4,536,744
- Issue date Aug 20, 1985
- Neil Brown Instrument Systems, Inc.
- Neil L. Brown
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-power magnetometer circuit with constant current drive
- Patent number 4,277,751
- Issue date Jul 7, 1981
- Neil Brown Instruments Systems, Inc.
- Kenneth D. Lawson
- G01 - MEASURING TESTING
Information Patent Grant
Phase measuring circuit
- Patent number 4,246,497
- Issue date Jan 20, 1981
- Neil Brown Instruments Systems, Inc.
- Kenneth D. Lawson
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic current meter
- Patent number 4,221,128
- Issue date Sep 9, 1980
- Neil Brown Instruments Systems, Inc.
- Kenneth D. Lawson
- G01 - MEASURING TESTING
Information Patent Grant
Bandpass filter having low passband phase shift
- Patent number 4,189,681
- Issue date Feb 19, 1980
- Neil Brown Instruments Systems, Inc.
- Kenneth D. Lawson
- H03 - BASIC ELECTRONIC CIRCUITRY