This paper describes a compact pickup developed for an optical PCM audio disc player. In this pickup, a laser diode simultaneously functions as a light source and a detector of rf signals. The wobbling sensor and the 2-axis moving coil actuator were developed for beam focusing and radial tracking servo control for the pickup.

Authors: Okada, K.; Susaki, W.; Kondo, M.; Kime, K.; Hirasawa, K.; Miyazawa, T.
Affiliation: Mitsubishi Electric Corporation, Tokyo, Japan
AES Convention: 61 (November 1978) Paper Number: 1409
Publication Date: November 1, 1978

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