JPS5555618A - Radio receiver - Google Patents

Radio receiver

Info

Publication number
JPS5555618A
JPS5555618A JP12837478A JP12837478A JPS5555618A JP S5555618 A JPS5555618 A JP S5555618A JP 12837478 A JP12837478 A JP 12837478A JP 12837478 A JP12837478 A JP 12837478A JP S5555618 A JPS5555618 A JP S5555618A
Authority
JP
Japan
Prior art keywords
circuit
stereo
frequency amplifier
traffic information
broadcast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12837478A
Other languages
Japanese (ja)
Inventor
Tadashi Sakikawa
Ichiro Hondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12837478A priority Critical patent/JPS5555618A/en
Publication of JPS5555618A publication Critical patent/JPS5555618A/en
Pending legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

PURPOSE: To make efficient the reception of car radio set without manual tuning operation, by automatically tuning the broadcast of traffic information and the stereo broadcast.
CONSTITUTION: The superheterodyne stereo receiver is constituted with the antenna 101, high frequency amplifier 102, local oscillator 103, high frequency amplifier 104, intermediate frequency amplifier 105, detector 106, stereo demodulation circuit 107, low frequency amplifier 108, and speaker 109. Next, to this circuit, the automatic tuning unit 200 consisting of the automatic tuning and sweep circuit 201, automatic tuning start switch 202 and trigger signal detection circuit 203, and the detection circuit 300 consisting of traffic information index signal detection circuit 301, detection switch 303 and stereo reception switch 304 are connected. Further, the control unit 500 having the mute circuit 400 and gate circuit 510 is provided to enable simultaneous listening of traffic information while listening to stereo broadcast.
COPYRIGHT: (C)1980,JPO&Japio
JP12837478A 1978-10-20 1978-10-20 Radio receiver Pending JPS5555618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12837478A JPS5555618A (en) 1978-10-20 1978-10-20 Radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12837478A JPS5555618A (en) 1978-10-20 1978-10-20 Radio receiver

Publications (1)

Publication Number Publication Date
JPS5555618A true JPS5555618A (en) 1980-04-23

Family

ID=14983235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12837478A Pending JPS5555618A (en) 1978-10-20 1978-10-20 Radio receiver

Country Status (1)

Country Link
JP (1) JPS5555618A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56110348A (en) * 1980-02-05 1981-09-01 General Denshi Kogyo Kk Automatic channel selector of music broadcast for receiver
JPS5762619A (en) * 1980-10-01 1982-04-15 Clarion Co Ltd Channel selection system for stereo and monaural station in fm or am ratio receiver

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56110348A (en) * 1980-02-05 1981-09-01 General Denshi Kogyo Kk Automatic channel selector of music broadcast for receiver
JPS6129576B2 (en) * 1980-02-05 1986-07-08 Zeneraru Denshi Kogyo Kk
JPS5762619A (en) * 1980-10-01 1982-04-15 Clarion Co Ltd Channel selection system for stereo and monaural station in fm or am ratio receiver

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