Patent ID: 6118441
Filing Date: 2000-09-12
Classification: H03J

Abstract:
A display device for an audio system including a radio tuner, comprising:a center unit having a first display unit;a slave unit having a second display unit; anda communication line for communicatively connecting the center unit and the slave unit;said center unit comprising;display message transmitting means for preparing a display message containing regular image data indicating a form of displaying the linkage between the display images of the first display and second display units corresponding to a predetermined operation on detecting the predetermined operation and for transmitting the display message to the slave unit;center variable display detection means for detecting variable display data including variable image data indicating an operating condition from the communication line; andcenter control means for displaying a regular image linked with the second display unit in the first display unit according to the regular image data contained in the display message when the display message is transmitted by the display message transmitting means and simultaneously causing the regular image together with a variable image linked with the second display unit to be displayed in the first display unit according to the variable image data included in the variable display data and the regular image data when the variable display data is detected by the center variable display detection means, andsaid slave unit comprising:display message receiving means for receiving the display message from the center unit;slave variable display detection means for detecting the variable display data including the variable image data indicating the operating condition from the communication line; andslave control means for displaying the regular image linked with the first display unit in the second display unit according to the regular image data contained in the display message when the display message is received by the display message receiving means and simultaneously causing the regular image together with the variable image linked with the first display unit to be displayed in the second display unit according to the variable image data included in the variable display data and the regular image data when the variable display data is detected by the slave variable display detection means.