Radio receiver system including a control unit and a remote unit

Details Radio receiver system including a control unit and a remote unit Radio receiver system including a control unit and a remote unit

1980-08-04

1985-03-05

Shaw, Gareth D.

Boots, shoes, and leggings

455 77, 455151, G06F 1516, H04B 138

Patent

active

045035130

ABSTRACT:
An automobile radio receiver system includes a control unit located in the passenger compartment and a remote unit, for example, in the trunk compartment of the automobile. The control unit includes a master microcomputer which controls a display and responds to keyboard inputs. The remote unit includes the radio receiver which is controlled by a slave microcomputer. The master and slave microcomputers are interconnected by a single wire data bus. Data regarding keyboard inputs are transmitted to the slave and data regarding receiver status is transmitted to the master. The data is interleaved on a bit by bit basis with master controlling the timing of data transmission thereby permitting a relatively imprecise timing base in the slave.

REFERENCES:
patent: 3798611 (1974-03-01), Gallant et al.
patent: 4122304 (1978-10-01), Mallien
patent: 4147984 (1979-04-01), Coudel et al.
patent: 4311986 (1982-01-01), Yee

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