JPS60111142U

JPS60111142U - vehicle radio

Info

Publication number: JPS60111142U
Application number: JP19947883U
Authority: JP
Inventors: 牧野　正吉
Original assignee: 日産自動車株式会社
Priority date: 1983-12-28
Filing date: 1983-12-28
Publication date: 1985-07-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の電子同調式ラジオのブロック線図、第２
図は本考案による車両用ラジオのブロック線図、第３図
は本考案による車両用ラジオの動作を説明するタイムチ
ャートである。１・・・受信アンテナ、２・・・電子同調回路、３・・
・ア、ンプ、４・・・スピーカ、５・・・チャンネル切
換ボタン、６・・・受信状態判別回路、７・・・平均値
出力回路、８，９・・・比較器、１０・・・保持回路、
１１・・・にの回路。Figure 1 is a block diagram of a conventional electronically tuned radio; Figure 2 is a block diagram of a conventional electronically tuned radio;
The figure is a block diagram of the vehicle radio according to the present invention, and FIG. 3 is a time chart illustrating the operation of the vehicle radio according to the present invention. 1... Receiving antenna, 2... Electronic tuning circuit, 3...
・A, amplifier, 4...Speaker, 5...Channel switching button, 6...Reception status determination circuit, 7...Average value output circuit, 8, 9...Comparator, 10... holding circuit,
11... circuit.

Claims

[Scope of utility model registration request]

The average level number of the received signal is detected, and when the average level is higher than a predetermined value, it is determined that it is a music broadcast, and the tuned frequency being received is maintained, and when it is lower than the predetermined value, other broadcasting stations are automatically tuned. A vehicle radio for tuning, characterized in that it is provided with a holding means for holding the tuned frequency being received for a predetermined period of time when it is determined that the received signal has been interrupted based on the level of the received signal. radio.