Ernst Schwefel

Person

Traunreut, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Angle measuring arrangement
- Patent number 5,001,340
- Issue date Mar 19, 1991
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G01 - MEASURING TESTING
Information Patent Grant
Process and apparatus for the synchronization of square signals
- Patent number 4,760,280
- Issue date Jul 26, 1988
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G01 - MEASURING TESTING
Information Patent Grant
Method for restarting a tool onto a workpiece contour
- Patent number 4,575,791
- Issue date Mar 11, 1986
- Johannes Heidenhain GmbH
- Ernst Schwefel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Numerical control system for determining tool withdrawal direction
- Patent number 4,564,912
- Issue date Jan 14, 1986
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Numerical control device
- Patent number 4,521,845
- Issue date Jun 4, 1985
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Integrated bit processor/word processor control system
- Patent number 4,517,657
- Issue date May 14, 1985
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method of interval interpolation
- Patent number 4,462,083
- Issue date Jul 24, 1984
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G01 - MEASURING TESTING
Information Patent Grant
Digital electrical length or angle measuring device
- Patent number 4,412,206
- Issue date Oct 25, 1983
- Johannes Heidenhain GmbH
- Ernst Schwefel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Correction selection device
- Patent number 4,330,831
- Issue date May 18, 1982
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Interpolation utilization apparatus
- Patent number 4,306,220
- Issue date Dec 15, 1981
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G01 - MEASURING TESTING
Information Patent Grant
Electronic counter for incremental measuring device
- Patent number 4,229,646
- Issue date Oct 21, 1980
- Johannes Heidenhain GmbH
- Horst Burkhardt
- G01 - MEASURING TESTING
Information Patent Grant
Interpolation apparatus for digital electronic position measuring i...
- Patent number 4,225,931
- Issue date Sep 30, 1980
- Dr. Johannes Heidenhain GmbH
- Ernst Schwefel
- G06 - COMPUTING CALCULATING COUNTING

Ernst Schwefel

Person

Patents Grantslast 30 patents

Angle measuring arrangement

Process and apparatus for the synchronization of square signals

Method for restarting a tool onto a workpiece contour

Numerical control system for determining tool withdrawal direction

Numerical control device

Integrated bit processor/word processor control system

Method of interval interpolation

Digital electrical length or angle measuring device

Correction selection device

Interpolation utilization apparatus

Electronic counter for incremental measuring device

Interpolation apparatus for digital electronic position measuring i...