Record actuated sound system
United States Patent 2841654
Inventors:
Athey, Skipworth W.
Pourciau, Louis L.
Shaw, David B.
Publication Date:
07/01/1958
Assignee:
GEN PRECISION LAB INC
International Classes:
G11B3/00
US Patent References:
| 2427850 | Switching method and system | | | |
| 2499587 | Control track sound distribution system and record therefor | | | |
| 2714633 | Perspective sound systems | | | |