Method for illuminating adjoining slants of an optical disk havi

Details Method for illuminating adjoining slants of an optical disk havi Method for illuminating adjoining slants of an optical disk havi

1989-01-18

1990-02-27

Psitos, Aristotelis M.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 45, 369 46, 369106, 369112, 358342, G11B 709, G11B 7007

Patent

active

049052144

ABSTRACT:
An optical disk and a method of recording, reproducing or erasing information on the disk by using laser beams. The optical disk is provided thereon with grooves each having a V-shaped groove in the radial directioin. At least two laser beams are focused on two adjoining slants of each V-shaped groove so that these two slants are used concurrently for high-density recording reproducing or erasing of high-quality information.

REFERENCES:
patent: 4001493 (1977-01-01), Cone
patent: 4161752 (1979-07-01), Basilico
patent: 4216357 (1980-08-01), Iwasaki et al.
patent: 4283777 (1981-08-01), Curry et al.
patent: 4298974 (1981-11-01), Tsunoda et al.
patent: 4301527 (1981-11-01), Tsunoda et al.
patent: 4310916 (1982-01-01), Dil
patent: 4325135 (1982-04-01), Dil et al.
patent: 4349901 (1982-12-01), Howe
patent: 4365323 (1982-12-01), Heemskerk et al.
patent: 4390781 (1983-06-01), Musha
patent: 4403318 (1983-09-01), Nagashima et al.
patent: 4451863 (1984-05-01), Yanagida et al.
patent: 4517667 (1985-05-01), Sprague
patent: 4520471 (1985-05-01), Carlin
patent: 4520472 (1985-05-01), Reno
patent: 4534021 (1985-08-01), Smith
patent: 4546463 (1985-10-01), Opheij et al.
patent: 4556967 (1985-12-01), Braat
patent: 4564931 (1986-01-01), O'Hara et al.
patent: 4566088 (1986-01-01), Yoshida et al.
patent: 4569038 (1986-02-01), Nagashima et al.

Affiliated with

Also associated with

Rating

Method for illuminating adjoining slants of an optical disk havi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for illuminating adjoining slants of an optical disk havi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for illuminating adjoining slants of an optical disk havi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-178952