Patent application number | Description | Published |
20080239926 | Optical Compensator, Optical Element, Optical Scanning Head An Optical Scanning Device - An optical compensator for use in an optical scanning device for scanning a first optical record carrier ( | 10-02-2008 |
20080259770 | Optical Pick-Up for Use in a Multi-Disc Optical Player and Method for Correcting Optical Aberrations in Such an Optical Pick-Up Unit - The present invention concerns to an optical pick-up unit for use in a multi-disc system, for scanning a first type of record carriers and at least a second type of record carriers, the second type of record carriers having an information density different from an information density of the first type of record carriers, the optical pick-up unit comprising at least two optical branches ( | 10-23-2008 |
20080316891 | Optical Scanning Device - An optical scanning device ( | 12-25-2008 |
20090252017 | OPTICAL COMPENSATOR FOR USE IN AN OPTICAL SCANNING DEVICE - An optical compensator for use in an optical scanning device for scanning optical record carriers, there being at least two different information layer depths within two different ones of the carriers, the optical record carriers including a first optical record carrier ( | 10-08-2009 |
20090296559 | OPTICAL SCANNING DEVICE - An optical scanning device for scanning optical record carriers having cover layers of different thicknesses. The scanning device has a first mode for scanning a first optical record carrier, a second mode for scanning a second optical record carrier and a third mode for scanning third optical record carrier. The device comprises an objective lens system and a switchable optical element having a first discrete state and a different, second discrete state. The element comprises: a fluid system including a first fluid and a different, second fluid ( | 12-03-2009 |
20100046347 | OPTICAL SCANNING DEVICE - An optical scanning device for scanning optical record carriers, the optical record carriers including a first optical record carrier, a second optical record carrier and a third optical record carrier, the scanning device including a radiation source system ( | 02-25-2010 |
20130093259 | INDUCTIIVE POWER SUPPLY SYSTEM - A power supplying device ( | 04-18-2013 |