Telecommunications – Receiver or analog modulated signal frequency converter – Combined with diverse art device
Reexamination Certificate
1999-04-23
2001-11-20
Maung, Nay (Department: 2681)
Telecommunications
Receiver or analog modulated signal frequency converter
Combined with diverse art device
C455S191100, C455S193100
Reexamination Certificate
active
06321077
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a reception control system for automobiles having a plurality of receivers for receiving various types of waves such as an AM/FM broadcast wave, a TV broadcast wave and a GPS wave.
Conventionally various reception control systems have been proposed for automobiles. One system has an antenna section including a plurality of windowpane antenna elements of strip conductors and provided in the rear of an automobile and an AM/FM receiver or a TV receiver mounted on a dashboard of the automobile. The antenna section and the AM/FM or TV receiver are connected by means of a plurality of coaxial cables.
The above system has a problem of complicating a wiring operation and increasing in manufacturing costs because the plural coaxial cables are used to connect the antenna section and the AM/FM receiver or TV receiver. The system also has a problem of decreasing in reception performance because noise is likely to enter the system through the coaxial cables.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide a reception control system for automobiles having the following advantages.
1) A signal transmission path (transmission cable) for connecting an antenna section and an AM/FM receiver or a TV receiver can be simplified and thus its wiring operation can easily be performed at low cost.
2) No noise is likely to enter the system through the signal transmission path; therefore, the system can receive waves satisfactorily.
In order to attain the above object, a reception control system for automobiles according to the present invention has the following characteristic constitution. The other characteristic constitution of the present invention will be clarified in the Description of the Invention.
The reception control system for automobiles comprises tuners for a plurality of receivers for receiving various types of waves including at least an AM/FM broadcast wave, a TV broadcast wave and a GPS wave, the tuners being separated from receiver bodies and integrally incorporated into an antenna section including at least a plurality of antenna elements, and the tuners being supplied with a digital control signal through a LAN provided in an automobile thereby to control reception of waves.
Additional objects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objects and advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out hereinafter.
REFERENCES:
patent: 6043783 (2000-03-01), Endo et al.
Briggs David
Inoue Hidemichi
Langley Richard
Saitoh Masatoshi
Tachihara Hiroyuki
Gelin Jean A.
Harada Industry Co. Ltd.
Maung Nay
Pennie & Edmonds LLP
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