William F. N. Stephens

Person

Glos, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Opto-electronic scale reading apparatus
- Patent number 5,184,014
- Issue date Feb 2, 1993
- Renishaw plc
- William F. N. Stephens
- G01 - MEASURING TESTING
Information Patent Grant
Opto-electronic scale-reading apparatus wherein phase-separated sec...
- Patent number 5,064,290
- Issue date Nov 12, 1991
- Renishaw plc
- David R. McMurtry
- G01 - MEASURING TESTING
Information Patent Grant
Scale for use with opto-electronic scale reading apparatus
- Patent number 5,033,817
- Issue date Jul 23, 1991
- Renishaw plc
- William F. N. Stephens
- G02 - OPTICS
Information Patent Grant
Opto electronic scale reading apparatus wherein each of a plurality...
- Patent number 4,983,828
- Issue date Jan 8, 1991
- Renishaw plc
- William F. N. Stephens
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Opto-electronic scale-reading apparatus
- Patent number 4,975,571
- Issue date Dec 4, 1990
- Renishaw plc
- David R. McMurtry
- G01 - MEASURING TESTING
Information Patent Grant
Optical scale reading apparatus
- Patent number 4,966,429
- Issue date Oct 30, 1990
- Renishaw plc
- William F. N. Stephens
- G02 - OPTICS
Information Patent Grant
Opto-electronic scale-reading apparatus
- Patent number 4,959,542
- Issue date Sep 25, 1990
- Renishaw plc
- William F. N. Stephens
- G01 - MEASURING TESTING
Information Patent Grant
Opto-electronic scale-reading apparatus having spatial filter for w...
- Patent number 4,879,462
- Issue date Nov 7, 1989
- Renishaw plc
- William F. N. Stephens
- G01 - MEASURING TESTING

William F. N. Stephens

Person

Patents Grantslast 30 patents

Opto-electronic scale reading apparatus

Opto-electronic scale-reading apparatus wherein phase-separated sec...

Scale for use with opto-electronic scale reading apparatus

Opto electronic scale reading apparatus wherein each of a plurality...

Opto-electronic scale-reading apparatus

Optical scale reading apparatus

Opto-electronic scale-reading apparatus

Opto-electronic scale-reading apparatus having spatial filter for w...