Optical disc system for baseband HDTV signal

Katsuhiko Matsushita; Takashi Ohnaka; Nabuhiro Hosohara; Osamu Idegata; Tatsuo Tanaka

doi:10.1117/12.135908

12 August 1992 Optical disc system for baseband HDTV signal

Katsuhiko Matsushita, Takashi Ohnaka, Nabuhiro Hosohara, Osamu Idegata, Tatsuo Tanaka

Proceedings Volume 1656, High-Resolution Sensors and Hybrid Systems; (1992) https://doi.org/10.1117/12.135908
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

We developed a new type of optical disc system for baseband high definition television (signal. In conventional technology we cannot record HDTV signal for sufficiently long time because it has very wide bandwidth. In this system we can solve this problem based on the following technology HDTV signal is divided into two channels recorded on the both sides of a 30 cm diameter disc and reproduced with two optical pickups at the same time. As a result this system can continuously play HDTV signal for more than 30 minutes with constant-linear-velocity (CLV) disc. 1 .

Citation Download Citation

Katsuhiko Matsushita, Takashi Ohnaka, Nabuhiro Hosohara, Osamu Idegata, and Tatsuo Tanaka "Optical disc system for baseband HDTV signal", Proc. SPIE 1656, High-Resolution Sensors and Hybrid Systems, (12 August 1992); https://doi.org/10.1117/12.135908

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