Halder Mathis

Person

Baar, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Phase detector for mark/space modulated signals
- Patent number 5,072,173
- Issue date Dec 10, 1991
- Landis & Gyr Betriebs AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Arrangement for measuring an electrical power or energy
- Patent number 5,032,785
- Issue date Jul 16, 1991
- Landis & Gyr Betriebs AG
- Halder Mathis
- G01 - MEASURING TESTING
Information Patent Grant
Measuring transformer to measure the current flowing in an electric...
- Patent number 4,864,223
- Issue date Sep 5, 1989
- LGZ Landis & Gyr Zug AG
- Andreas Joder
- G01 - MEASURING TESTING
Information Patent Grant
Circuit arrangement comprising multiplier circuits to find the sum...
- Patent number 4,853,620
- Issue date Aug 1, 1989
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Circuit arrangement for a meter for measuring two electrical quanti...
- Patent number 4,749,941
- Issue date Jun 7, 1988
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
System for the display and scanning of the contents of a counter eq...
- Patent number 4,685,138
- Issue date Aug 4, 1987
- LGZ Landis & Gyr Zug AG
- Gregor Antes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Precision measurement voltage transducer
- Patent number 4,628,251
- Issue date Dec 9, 1986
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mark-space amplitude modulator for measuring reactive power consump...
- Patent number 4,594,547
- Issue date Jun 10, 1986
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Current transformer for measuring instruments
- Patent number 4,513,274
- Issue date Apr 23, 1985
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Current divider for current measurement in conjunction with a measu...
- Patent number 4,496,932
- Issue date Jan 29, 1985
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Circuit for supervising an electronic electricity meter
- Patent number 4,434,400
- Issue date Feb 28, 1984
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G01 - MEASURING TESTING
Information Patent Grant
Current- and voltage-measurement transducer
- Patent number 4,362,990
- Issue date Dec 7, 1982
- LGZ Landis & Gyr Zug AG
- Gernot Schneider
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pulse-width modulator circuit
- Patent number 4,337,438
- Issue date Jun 29, 1982
- LGZ Landis & Gyr Zug AG
- Walter Guggenbuhl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit arrangement for a keyboard
- Patent number 4,234,872
- Issue date Nov 18, 1980
- LGZ Landis & Gyr Zug AG
- Mathis Halder
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Halder Mathis

Person

Patents Grantslast 30 patents

Phase detector for mark/space modulated signals

Arrangement for measuring an electrical power or energy

Measuring transformer to measure the current flowing in an electric...

Circuit arrangement comprising multiplier circuits to find the sum...

Circuit arrangement for a meter for measuring two electrical quanti...

System for the display and scanning of the contents of a counter eq...

Precision measurement voltage transducer

Mark-space amplitude modulator for measuring reactive power consump...

Current transformer for measuring instruments

Current divider for current measurement in conjunction with a measu...

Circuit for supervising an electronic electricity meter

Current- and voltage-measurement transducer

Pulse-width modulator circuit

Circuit arrangement for a keyboard