H - Electricity – 03 – J
Patent
H - Electricity
03
J
365/19, 116/73
H03J 1/02 (2006.01) G11B 27/34 (2006.01) G11B 33/10 (2006.01) H03J 1/04 (2006.01)
Patent
CA 1139027
PUSHBUTTON TUNER DISPLAY Abstract of the Disclosure A pushbutton tuner display apparatus for an entertainment device is disclosed in which a plurality of pushbuttons are used to tune a radio apparatus in the enter- tainment device in one mode of operation, while in another mode of operation the entertainment device operates as a cartridge tape player in which the pushbuttons are utilized as display devices which indicate which tape track is being monitored by the cartridge tape player. Additionally, one pushbutton is utilized as a display to indicate the recep- tion of a stereo radio signal. Each pushbutton comprises a clear plastic light pipe surrounded by an opaque plastic part having openings at the front and rear. An associated light bulb mounted inside the frame of the entertainment device is utilized to provide light to each rear portion of each light pipe, and each light pipe has a prismatic portion which transmits received light to a front portion of the light pipe where an illuminated operative state display indication is produced.
327717
Cox Richard S.
Mcgee Paul D.
Gowling Lafleur Henderson Llp
Motorola Inc.
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