SE454034B - Radiomottagare - Google Patents

Radiomottagare

Info

Publication number
SE454034B
SE454034B SE8104484A SE8104484A SE454034B SE 454034 B SE454034 B SE 454034B SE 8104484 A SE8104484 A SE 8104484A SE 8104484 A SE8104484 A SE 8104484A SE 454034 B SE454034 B SE 454034B
Authority
SE
Sweden
Prior art keywords
station
level
unit
tuning
stations
Prior art date
Application number
SE8104484A
Other languages
English (en)
Swedish (sv)
Other versions
SE8104484L (sv
Inventor
Y Shiratani
Original Assignee
Mitsubishi Electric Corp
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
Priority claimed from JP10200580A external-priority patent/JPS5726917A/ja
Priority claimed from JP10856780A external-priority patent/JPS5732140A/ja
Priority claimed from JP14716780A external-priority patent/JPS5769925A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SE8104484L publication Critical patent/SE8104484L/
Publication of SE454034B publication Critical patent/SE454034B/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/341—Muting when no signals or only weak signals are present
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
SE8104484A 1980-07-24 1981-07-22 Radiomottagare SE454034B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10200580A JPS5726917A (en) 1980-07-24 1980-07-24 Receiver
JP10856780A JPS5732140A (en) 1980-08-04 1980-08-04 Receiver
JP14716780A JPS5769925A (en) 1980-10-20 1980-10-20 Receiver

Publications (2)

Publication Number Publication Date
SE8104484L SE8104484L (sv) 1982-01-25
SE454034B true SE454034B (sv) 1988-03-21

Family

ID=27309601

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8104484A SE454034B (sv) 1980-07-24 1981-07-22 Radiomottagare

Country Status (3)

Country Link
US (1) US4430753A (cs)
DE (1) DE3129349A1 (cs)
SE (1) SE454034B (cs)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE454227B (sv) * 1980-08-04 1988-04-11 Mitsubishi Electric Corp Radiomottagare
SE458976B (sv) * 1980-12-04 1989-05-22 Mitsubishi Electric Corp Flerstationsmottagare
GB2094102B (en) * 1981-02-04 1984-06-27 Philips Electronic Associated Radio receiver suitable for use in a spaced carrier area coverage system
DE3208360A1 (de) * 1982-03-09 1983-09-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Empfangsgeraet der unterhaltungselektronik mit einem hf-empfangsteil und einer abstimmanordnung
DE3214155A1 (de) * 1982-04-17 1983-10-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Ortsveraenderlicher rundfunkempfaenger, wie autoradio oder dgl.
NL8202416A (nl) * 1982-06-15 1984-01-02 Philips Nv Ontvanger voor fm-signalen met opslag van zender status code.
NL8203414A (nl) * 1982-09-01 1984-04-02 Philips Nv Ontvanger met een zenderzoekschakeling.
US4498194A (en) * 1983-01-31 1985-02-05 General Electric Company Multifrequency scanning receiver with priority frequency monitoring
DE3303711C2 (de) * 1983-02-04 1985-01-24 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmeinheit für Geräte der Nachrichtentechnik
NL8301567A (nl) * 1983-05-04 1984-12-03 Philips Nv Omroepontvanger met automatische zenderopslag.
US4611334A (en) * 1984-08-31 1986-09-09 Motorola, Inc. Message capturing radio data system
US4654879A (en) * 1985-03-29 1987-03-31 Itt Corporation Cellular mobile radio subscriber location detection
US5442805A (en) * 1988-10-05 1995-08-15 Motorola, Inc. Location-based adaptive radio control
US5199109A (en) * 1989-10-26 1993-03-30 Uniden Multi channel scanning receiver with improved signal strength detecting circuitry
SE464955B (sv) * 1989-11-03 1991-07-01 Ericsson Telefon Ab L M Foerfarande att indela en ramstruktur i en mobilstation
GB2254971B (en) * 1991-03-07 1994-12-21 Ericsson Telefon Ab L M Mobile radio communications stations
EP0507530B1 (en) * 1991-04-01 1998-06-24 Sony Corporation Radio data system receiver
US5379448A (en) * 1991-08-05 1995-01-03 International Business Machines Load balancing in a digital communications network using radio links
US7860448B2 (en) * 2005-10-05 2010-12-28 Excelsior Radio Networks, Llc Methods and computer programs for localizing broadcast content

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443228A (en) 1965-11-22 1969-05-06 Gen Atronics Corp Optimum frequency communication system with different test frequencies in different test intervals
NL169008C (nl) 1974-10-07 1982-05-17 Philips Nv Ontvanger bevattende een afstemschakeling met een zenderzoekinrichting.
US4197500A (en) 1976-11-01 1980-04-08 The United States Of America As Represented By The Secretary Of The Army Automatic channel selection
US4069455A (en) 1976-11-11 1978-01-17 General Electric Company Arrangement for maintaining reception of a radio receiver on the stronger of two signals
DE2946755C2 (de) * 1979-11-20 1984-08-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Schaltungsanordnung für einen Rundfunkempfänger mit Sendersuchlauf
JPS56109023A (en) 1980-01-31 1981-08-29 Nec Corp Channel selection system

Also Published As

Publication number Publication date
SE8104484L (sv) 1982-01-25
DE3129349C2 (cs) 1990-06-07
DE3129349A1 (de) 1982-06-09
US4430753A (en) 1984-02-07

Similar Documents

Publication Publication Date Title
SE454034B (sv) Radiomottagare
US4135158A (en) Universal automotive electronic radio
US4334323A (en) Self tracking tuner
US4685150A (en) Tuning of a resonant circuit in a communications receiver
US4776038A (en) Automatic air/cable mode selection apparatus for a television tuner
US4355414A (en) Automatic gain control system
SE454227B (sv) Radiomottagare
EP0645881A1 (en) Demodulation of FM audio carrier
KR930011846B1 (ko) 단일 fll을 사용하는 다중발진기의 주파수제어방법 및 주파수 제어장치
US4291413A (en) Search type tuning system with direct address channel selection apparatus
EP0256877A2 (en) Reception sensitivity control system in a sweeping radio receiver
US4081771A (en) 82 Detent manual varactor tuning system
US4197503A (en) Circuit arrangement for generating tuning voltage
US5548811A (en) Automatic frequency control circuit selectively using frequency-divided local oscillator signal or pilot signal
US5220684A (en) Channel selecting circuit
US5073973A (en) Method and circuitry for automatic control of the frequency for a radio telephone
US5203032A (en) Station selecting apparatus
CA1191976A (en) Phase locked loop tuning control system
US4020419A (en) Electronic system for automatically tuning to a selected television channel
US5170497A (en) Tuning method and apparatus
US5303398A (en) Stability detection method and apparatus for a tuning system
CA1149978A (en) Search type tuning system
KR950035075A (ko) 신쎄싸이저 수신기 및 그 수신주파수의 튜닝방법
US4245351A (en) AFT Arrangement for a phase locked loop tuning system
DK163622B (da) Afstemningssystem til automatisk afstemning af en tuner i et fjernsynsmodtageapparat

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8104484-4

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8104484-4

Format of ref document f/p: F