P

Inventor

FRANZ ANDREAS

DE37 patents
⚠️ This page may combine multiple inventors who share the name “FRANZ ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEIDENHAIN GMBH DR JOHANNES

12 patents
US5631736AMay 20, 1997

Absolute interferometer measuring process and apparatus having a measuring interferometer, control interferometer and tunable laser

HEIDENHAIN GMBH DR JOHANNES103 citations97
US5396328AMar 7, 1995

Waveguide type displacement interferometer having two reference paths

HEIDENHAIN GMBH DR JOHANNES114 citations96
US5576537ANov 19, 1996

Photoelectric position measuring system using gratings having specified dimensions to suppress harmonics

HEIDENHAIN GMBH DR JOHANNES43 citations93
US6472658B2Oct 29, 2002

Photoelectric position measuring system that optimizes modulation of a scanning device and the intensity of a reference mark signal

HEIDENHAIN GMBH DR JOHANNES31 citations92
US5786931AJul 28, 1998

Phase grating and method of producing phase grating

HEIDENHAIN GMBH DR JOHANNES32 citations92
US5574560ANov 12, 1996

Dual-beam interferometer with a phase grating

HEIDENHAIN GMBH DR JOHANNES34 citations92
US5696584ADec 9, 1997

Phase grating having an unprotected relief structure with a grating structure that causes destructive interference of reflections

HEIDENHAIN GMBH DR JOHANNES17 citations74
US5583798ADec 10, 1996

Position measuring method and apparatus for generating periodic signals free of harmonics

HEIDENHAIN GMBH DR JOHANNES16 citations74
US5162869ANov 10, 1992

Apparatus and method having at least one waveguide coupler to create at least two signals having a mutual phase shift not equal to 180 degrees

HEIDENHAIN GMBH DR JOHANNES9 citations74
US5113066AMay 12, 1992

Integrated optical sensor arrangement with detecting means, and means for controlling the optical emission wavelength of the light beam source

HEIDENHAIN GMBH DR JOHANNES13 citations74
US5271078ADec 14, 1993

Device for coupling and/or decoupling beams of light, with an integrated optical component

HEIDENHAIN GMBH DR JOHANNES19 citations70
US5173601ADec 22, 1992

Angle measuring device with correction grid

HEIDENHAIN GMBH DR JOHANNES4 citations63

MANN & HUMMEL GMBH

12 patents

(unassigned)

2 patents

MANN & HUMMEL FILTER

1 patent

KRUP POLYSIUS AG

1 patent

BOSCH GMBH ROBERT

1 patent

QUALCOMM INC

1 patent

KIEDAISCH STEFFI

1 patent

SNAPTRACK INC

1 patent

TALMON-GROS DIETMAR

1 patent

GERLACH KARIN

1 patent

KNICKMANN KAI

1 patent

LINHART JOCHEN

1 patent

FRANZ ANDREAS

1 patent