|
| US4409548 | 6 juil. 1981 | 11 oct. 1983 | Ford Motor Company | Piezoelectric apparatus for generating electrically distinguishable bipolar signals |
| US4492891 | 21 mars 1983 | 8 janv. 1985 | U.S. Philips Corporation | Piezoelectric actuator arrangement with adjustment for wear |
| US4717241 | 11 juin 1985 | 5 janv. 1988 | Fuji Photo Film Co., Ltd. | Light deflection device |
| US5170277 | 27 sept. 1991 | 8 déc. 1992 | Symbol Technologies, Inc. | Piezoelectric beam deflector |
| US5253098 | 14 mai 1992 | 12 oct. 1993 | Mitsubishi Materials Corporation | Optical scanner |
| US5374817 | 12 juin 1992 | 20 déc. 1994 | Symbol Technologies, Inc. | Pre-objective scanner with flexible optical support |
| US5410140 | 20 mai 1994 | 25 avr. 1995 | Symbol Technologies, Inc. | Mirrorless ring mounted miniature optical scanner |
| US5436753 | 27 mai 1992 | 25 juil. 1995 | Opticon, Inc. | Vibrating mirror |
| US5536925 | 28 mars 1994 | 16 juil. 1996 | Symbol Technologies, Inc. | Optical scanner with scanning light beam and detector field of view |
| US5578810 | 3 avr. 1995 | 26 nov. 1996 | Symbol Technologies, Inc. | Ring mounted miniature optical scanner |
| US5661290 | 7 févr. 1996 | 26 août 1997 | Symbol Technologies, Inc. | Scanner with flexibly supported light emitter |