Inventor

SPIES ALFONS

DE22 patents

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

SPIES ALFONS

HEIDENHAIN GMBH DR JOHANNES

Position measuring method and apparatus

Multiturn rotary encoder with multiple code carriers coupled by a reduction gear

Position measuring system

Arrangement and method for the automatic correction of error-containing scanning signals of incremental position-measuring devices

Magnetic position measuring device using Hall elements as sensors and method for its operation

Position measuring device having a sensor for sensing the distance between a scanning unit and a scale

Photoelectric position-measuring arrangement having a plurality of shiftable grids

Magnetic length or angle measuring system having improved magnetic sensor arrangement

Position measuring instrument

Photoelectric angle measuring device

Planar measuring instrument

Magnetic measuring system having a particularly oriented auxiliary field

Two piece measurement representation with magnetic elements magnetized with the same orientation

Position measuring device employing primary and auxiliary magnetic fields

Device for measuring feed movement

Error correction system for position measuring instruments

Gas bearing

Gas bearing for rapidly rotating parts

Spinning-ring bearing and support

Resilient support for spinning-ring or twisting-ring bearing

Photoelectric device for position measuring

JOHANNES HEIDENHAIM GMBH DR

Position measuring apparatus utilizing two-beam interferences to create phase displaced signals