Communication control console center with improved volume contro

Details Communication control console center with improved volume contro Communication control console center with improved volume contro

1989-03-29

1991-01-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Including amplitude or volume control

Automatic

381109, H03G 300

Patent

active

049875990

ABSTRACT:
An improved communication control console center wherein the volume level for a selected communication resource will be set to a predetermined initial volume level, which level may be changed thereafter by appropriate adjustment of a multi-level switch.

REFERENCES:
patent: 4363001 (1982-12-01), Suzuki et al.
patent: 4550400 (1985-10-01), Henderson, Jr. et al.
patent: 4792990 (1988-12-01), Beyers, Jr.
Motorola, Inc., System Planner, R4-2-37C, Mar. 1988.

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