JPS637816U

JPS637816U -

Info

Publication number: JPS637816U
Application number: JP1986100104U
Authority: JP
Priority date: 1986-06-30
Filing date: 1986-06-30
Publication date: 1988-01-19

Description

[Brief explanation of the drawing]

第１図は、この考案の車載選局装置の一実施例
を示す回路構成図、第２図は、第１図に示したく
し形フイルタの波特性を示す図、第３図は、第
１図に示した記憶回路が記憶する選局情報地図、
第４図は、従来の車載選局装置の一例を示す回路
構成図である。１１……車載選局装置、３……選局回路、１２
……選局制御回路、１３……選局情報表示装置。 FIG. 1 is a circuit diagram showing an embodiment of the in-vehicle channel selection device of this invention, FIG. 2 is a diagram showing the wave characteristics of the comb filter shown in FIG. 1, and FIG. The channel selection information map stored in the memory circuit shown in the figure,
FIG. 4 is a circuit configuration diagram showing an example of a conventional in-vehicle channel selection device. 11...In-vehicle tuning device, 3...Tuning selection circuit, 12
...Tuning control circuit, 13...Tuning selection information display device.

Claims

[Scope of utility model registration request]

It is installed in the vehicle and stores a tuning circuit that tunes the radio waves of the desired channel, stores tuning information including channel assignments of radio waves that vary by region, and reads out the channel assignments of the specified region when tuning. , a channel selection information display device that displays an image;
An in-vehicle channel selection device comprising a channel selection control circuit that controls the channel selection circuit based on the channel selection information stored in the channel selection information display device.