Audio device having control function with use of card

Details Audio device having control function with use of card Audio device having control function with use of card

1991-06-11

1994-02-08

McElheny, Jr., Donald E.

Dynamic information storage or retrieval

Sound reproduction for toy or novelty device

With electrical information signal processing

G11B 700

Patent

active

052854370

ABSTRACT:
An audio device controllable with a card having at least one operation identifying device related to a specific reproduction operation. The card is provided on the respective surfaces thereof with first and second items of visual data corresponding to the reproduction operation. The audio device has a card inlet, an optical sensor for detecting the mark of the card, and a system controller for controlling the device to realize the reproduction operation identified by the mark.

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patent: 4481412 (1984-11-01), Fields
patent: 4602152 (1986-07-01), Dittakavi
patent: 4831610 (1989-05-01), Hoda et al.

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