Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2007-01-02
2007-01-02
Edun, Muhammad (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S112240, C369S112160, C369S112280
Reexamination Certificate
active
10736546
ABSTRACT:
The present invention relates to an optical device which includes a first laser diode, a beam splitter, a first objective lens, a photo-detector, a second laser diode, a wedged plate beam splitter, a second objective lens and a collimator. The present invention deploys two independent transmitting paths. The retrieving paths share the beam splitter and the photo-detector commonly at the returning route.
REFERENCES:
patent: 5982732 (1999-11-01), Yamanaka
patent: 2003/0026189 (2003-02-01), Richter et al.
patent: 2005/0163017 (2005-07-01), Taniguchi et al.
Acute Applied Technologies Inc.
Edun Muhammad
Lowe Hauptman & Berner LLP
LandOfFree
Optical device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3750439