| 5450501 |
Apparatus for the point-by-point scanning of an object |
— |
1995-09-12 |
| 5095476 |
Scanning apparatus with integrated beam separating and beam-splitting element for scanning a magneto-optical record carrier |
Peter Greve |
1992-03-10 |
| 5071237 |
Zoom lens for an electronic camera |
Josephus J. M. Braat |
1991-12-10 |
| 4861982 |
Scanning optical microscope with position detection grating |
Antonius Hermanus Maria Akkermans, Jozef Petrus Henricus Benschop, Cornelis J. P. M. Rooyackers |
1989-08-29 |
| RE32988 |
Single collimator lens having one aspherical surface |
— |
1989-07-18 |
| 4747647 |
Optical scanning device |
Peter De Zoeten |
1988-05-31 |
| 4738516 |
Optical element having an aspheric surface |
Johannes M. G. Verhoeven, Herman M. A. Amendt |
1988-04-19 |
| 4712205 |
Opto-electronic focussing-error detection system with a compound wedge beam splitter |
Peter Greve, Hendrik t Lam |
1987-12-08 |
| 4668056 |
Single lens having one aspherical surface |
Josephus J. M. Braat |
1987-05-26 |
| 4623496 |
Method of manufacturing an optical element having an aspheric surface |
Johannes M. G. Verhoeven, Herman M. A. Amendt |
1986-11-18 |
| 4592627 |
Single collimator lens having one aspherical surface |
— |
1986-06-03 |
| 4440699 |
Method and device for moulding a transparent object |
Jan Haisma |
1984-04-03 |
