Optical data storage accessing apparatus

Details Optical data storage accessing apparatus Optical data storage accessing apparatus

1992-02-06

1992-10-13

McElheny, Jr., Donald

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4424, G11B 700

Patent

active

051557215

ABSTRACT:
An optical data storage accessing apparatus which includes a first light projecting unit including a laser diode for projecting data recording light onto a data storage medium, a second light projecting unit for projecting data recording light onto the data storage medium, and a light receiving unit. The light receiving unit receives the data reading light after it is reflected by the data storage medium to read data recorded on the data storage medium. An optical unit joins the data recording light and the data reading light and separates data reading light reflected from the data storage medium from the data recording light.

REFERENCES:
patent: 4085423 (1978-04-01), Tsunoda et al.
patent: 4100577 (1978-07-01), Naruse et al.
patent: 4136362 (1979-01-01), Naruse et al.
patent: 4167024 (1979-09-01), Hamisch
patent: 4225873 (1980-09-01), Winslow
patent: 4275275 (1981-06-01), Bricot et al.
patent: 4334300 (1982-06-01), Arquie et al.
patent: 4344164 (1982-08-01), Bricot et al.
patent: 4399529 (1983-08-01), Leterme et al.
patent: 4459690 (1984-07-01), Corsover et al.
patent: 4502762 (1985-03-01), Anderson
patent: 4530080 (1985-07-01), Aoi et al.
patent: 4539662 (1985-09-01), Hatano et al.
patent: 4546463 (1985-10-01), Opheij et al.
patent: 4564931 (1986-01-01), O'Hara
patent: 4621351 (1986-11-01), Baer et al.
patent: 4700336 (1987-10-01), Yoshida et al.
patent: 4721850 (1988-01-01), Sakai et al.
patent: 4730293 (1988-03-01), Pierce et al.
patent: 4752922 (1988-06-01), MacAnally et al.
Japanese Kokai Patent Publication (laid-open) No. 53-28405, publication date Mar. 16, 1978.
Japanese Kokai Patent Publication (laid-open) No. 52-85412, publication date Jul. 15, 1977.
European Search Report, Mar. 23, 1989, Berlin, B. Chaumeron.

Affiliated with

Also associated with

Rating

Optical data storage accessing apparatus 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 data storage accessing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical data storage accessing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1306529