Rothwell, Figg, Ernst & Kurz
Optical tape cassette
 An optical tape cassette and a player for using the cassette. The optical tape cassette includes a drum on which optical tape is wound and two tape reels for supplying and winding the tape. The cassette player includes a driver having two rotating members which can be connected to the drum and tape take-up reel for driving the drum and tape take-up reel, respectively, and an optical pickup for projecting a light beam onto the optical tape which is wound about the periphery of the drum, thereby realizing a simplified structure and easy handling for home use. 
Samsung Electronics Company, Ltd.
G G
G11B G11B
inventional inventional
Hyeon-yong Dong-heon Seung-tae Jung-hoe
Jang Kang Jung Kim