P

Inventor

SCHMITT WALTER

DE33 patents
⚠️ This page may combine multiple inventors who share the name “SCHMITT WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEIDENHAIN GMBH DR JOHANNES

24 patents
US4990767AFeb 5, 1991

Position measuring apparatus with multiple scanning locations

HEIDENHAIN GMBH DR JOHANNES67 citations96
US4628201ADec 9, 1986

Scanning signal balancing circuit

HEIDENHAIN GMBH DR JOHANNES116 citations96
US4385836AMay 31, 1983

Photoelectric digital position measuring system

HEIDENHAIN GMBH DR JOHANNES56 citations96
US4982508AJan 8, 1991

Position measuring device

HEIDENHAIN GMBH DR JOHANNES39 citations92
US4701615AOct 20, 1987

Measuring scale coding system for length or angle measuring instruments

HEIDENHAIN GMBH DR JOHANNES44 citations92
US4654527AMar 31, 1987

Reference mark identification system for measuring instrument

HEIDENHAIN GMBH DR JOHANNES28 citations92
US4519140AMay 28, 1985

System for identifying reference marks in a path measuring device

HEIDENHAIN GMBH DR JOHANNES40 citations92
US4363964ADec 14, 1982

Incremental measuring system with selectively designated reference marks

HEIDENHAIN GMBH DR JOHANNES32 citations92
US5109223AApr 28, 1992

Apparatus for inductive signal transfer in sensing heads

HEIDENHAIN GMBH DR JOHANNES48 citations91
US4423958AJan 3, 1984

Test apparatus for digital photoelectric length or angle measuring instrument

HEIDENHAIN GMBH DR JOHANNES20 citations82
US4739197AApr 19, 1988

Process and arrangement for regulating the keying ratio of at least one electrical signal

HEIDENHAIN GMBH DR JOHANNES7 citations74
US4688019AAug 18, 1987

Signal transmission system

HEIDENHAIN GMBH DR JOHANNES8 citations74
US4678948AJul 7, 1987

Measuring device error monitoring system

HEIDENHAIN GMBH DR JOHANNES7 citations74
US4618940AOct 21, 1986

Error correction system for digital length or angle measuring instrument

HEIDENHAIN GMBH DR JOHANNES16 citations74
US4594538AJun 10, 1986

Monitoring circuit for positioning device

HEIDENHAIN GMBH DR JOHANNES16 citations74
US4594579AJun 10, 1986

Apparatus for digitally subdividing analog periodic signals

HEIDENHAIN GMBH DR JOHANNES8 citations72
US4645925AFeb 24, 1987

Reference mark coding system

HEIDENHAIN GMBH DR JOHANNES6 citations63
US4512083AApr 23, 1985

Measuring apparatus

HEIDENHAIN GMBH DR JOHANNES5 citations63
US4469958ASep 4, 1984

Electrical circuit for absolute position measuring device

HEIDENHAIN GMBH DR JOHANNES6 citations63
US4469940ASep 4, 1984

Switching apparatus for absolute position measuring device

HEIDENHAIN GMBH DR JOHANNES2 citations63
US4369366AJan 18, 1983

Photoelectric digital measuring instrument balancing circuit

HEIDENHAIN GMBH DR JOHANNES3 citations63
US4253020AFeb 24, 1981

Apparatus for measuring projectile velocity

HEIDENHAIN GMBH DR JOHANNES5 citations63
US4420699ADec 13, 1983

Frequency to voltage converter for a digital tachometer

HEIDENHAIN GMBH DR JOHANNES1 citations52
US4302668ANov 24, 1981

Variably biased photoelectric circuit

HEIDENHAIN GMBH DR JOHANNES0 citations42

BAYER TECHNOLOGY SERVICES GMBH

3 patents

BAYER AG

2 patents

TEODUR NV

1 patent

WILLMANN STEFAN

1 patent

HEINZ HANS DETLEF

1 patent

OBERENDER MIKE

1 patent