Interactive video distribution systems – Local video distribution system – Vehicle
Reexamination Certificate
2004-12-14
2009-12-01
Hirl, Joseph P (Department: 2426)
Interactive video distribution systems
Local video distribution system
Vehicle
C725S076000, C725S077000
Reexamination Certificate
active
07627885
ABSTRACT:
In an in-vehicle image display system, each of a car navigation device and a rear-seat display device includes an own image-drawing IC. The car navigation device interfaces with a TV tuner and a DVD player. When receiving a request signal from the rear-seat display device, the car navigation device forwards relevant image data to the rear-seat display device using a dedicated line. The rear-seat display device converts the forwarded image data to image signals using the own image-drawing IC to thereby display them. Thus, the car navigation device and the rear-seat display device can display different display window images with a simple system structure where no image-drawing IC used for the rear-seat display device is provided within the car navigation device.
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patent: 7114171 (2006-09-01), Brady et al.
patent: 7123131 (2006-10-01), Arai
patent: 2002/0047900 (2002-04-01), Nishiyama et al.
patent: 2003/0074665 (2003-04-01), Varley
patent: A-11-249555 (1999-09-01), None
DENSO CORPORATION
Hirl Joseph P
Nguyen An
Posz Law Group , PLC
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