NL185124C - Superheterodijne radio-ontvanger met automatische afstemming. - Google Patents

Superheterodijne radio-ontvanger met automatische afstemming.

Info

Publication number
NL185124C
NL185124C NLAANVRAGE7902692,A NL7902692A NL185124C NL 185124 C NL185124 C NL 185124C NL 7902692 A NL7902692 A NL 7902692A NL 185124 C NL185124 C NL 185124C
Authority
NL
Netherlands
Prior art keywords
super
radio receiver
automatic tuning
method radio
tuning
Prior art date
Application number
NLAANVRAGE7902692,A
Other languages
English (en)
Dutch (nl)
Other versions
NL185124B (nl
NL7902692A (nl
Original Assignee
Fujitsu Ten 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 Fujitsu Ten Ltd filed Critical Fujitsu Ten Ltd
Publication of NL7902692A publication Critical patent/NL7902692A/xx
Publication of NL185124B publication Critical patent/NL185124B/xx
Application granted granted Critical
Publication of NL185124C publication Critical patent/NL185124C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
NLAANVRAGE7902692,A 1978-04-17 1979-04-05 Superheterodijne radio-ontvanger met automatische afstemming. NL185124C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53045149A JPS5854682B2 (ja) 1978-04-17 1978-04-17 中間周波検出回路

Publications (3)

Publication Number Publication Date
NL7902692A NL7902692A (nl) 1979-10-19
NL185124B NL185124B (nl) 1989-08-16
NL185124C true NL185124C (nl) 1990-01-16

Family

ID=12711215

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7902692,A NL185124C (nl) 1978-04-17 1979-04-05 Superheterodijne radio-ontvanger met automatische afstemming.

Country Status (10)

Country Link
US (1) US4403349A (xx)
EP (1) EP0019630B1 (xx)
JP (1) JPS5854682B2 (xx)
CA (1) CA1142596A (xx)
CH (1) CH647630A5 (xx)
DE (1) DE2947101C2 (xx)
GB (1) GB2046542B (xx)
NL (1) NL185124C (xx)
SE (1) SE418439B (xx)
WO (1) WO1979000937A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3462772B2 (ja) * 1998-11-30 2003-11-05 三洋電機株式会社 ラジオ受信機
US10693570B2 (en) 2018-08-20 2020-06-23 Rohde & Schwarz Gmbh & Co. Kg Device and method of analyzing a radio frequency signal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652486A (en) * 1949-07-22 1953-09-15 Gen Motors Corp Signal seeking tuner
NL154969B (nl) * 1949-07-22 Bibia Rubber Exploitatiemaatsc Bagagebinder voor een rijwiel of dergelijk voertuig.
US2764675A (en) * 1950-01-28 1956-09-25 Gen Motors Corp Signal actuated tuner selective over noise level
US2843734A (en) * 1956-02-29 1958-07-15 Bendix Aviat Corp Signal seeking radio receiver
US3569840A (en) * 1968-10-04 1971-03-09 Collins Radio Co Of Canada Ltd Carrier squelch scheme
JPS5119286A (ja) * 1974-08-07 1976-02-16 Victor Company Of Japan Jidoseigyohoshiki
US3947771A (en) * 1975-02-21 1976-03-30 General Motors Corporation Keyed classical AGC system
DE2522382A1 (de) * 1975-05-21 1976-12-02 Blaupunkt Werke Gmbh Schaltungsanordnung zum unterdruecken von stoerungen in einem rundfunkempfaenger
JPS5317212A (en) * 1976-07-31 1978-02-17 Torio Kk Device for eliminating intermodulation disturbance of superheterodyne receiver
DE2755221C2 (de) * 1977-12-10 1985-05-30 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur selbsttätigen Überwachung der HF-Empfindlichkeit und des NF-Ausgangspegels eines Funkempfängers und Schaltungsanordnung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
EP0019630A1 (en) 1980-12-10
WO1979000937A1 (en) 1979-11-15
JPS5854682B2 (ja) 1983-12-06
SE418439B (sv) 1981-05-25
NL185124B (nl) 1989-08-16
NL7902692A (nl) 1979-10-19
SE8003557L (sv) 1980-05-12
GB2046542A (en) 1980-11-12
DE2947101C2 (de) 1986-06-12
GB2046542B (en) 1982-10-20
CH647630A5 (de) 1985-01-31
DE2947101T1 (xx) 1980-11-27
CA1142596A (en) 1983-03-08
EP0019630B1 (en) 1983-05-11
JPS54137214A (en) 1979-10-24
EP0019630A4 (en) 1980-10-09
US4403349A (en) 1983-09-06

Similar Documents

Publication Publication Date Title
NL7702019A (nl) Radio-omroepsysteem met zenderkarakterisering.
NL7710046A (nl) Radio-ontvanger.
NO151389C (no) Fjernsynmottager med automatisk trimmesystem.
NL191132C (nl) Afstemschakeling.
IT8023585A0 (it) Ricevitore fm.
NL180062C (nl) Radio-ontvanger.
NL7706484A (nl) Televisie-ontvanger.
NL190178C (nl) Televisie-ontvanger.
NL7706483A (nl) Televisie-ontvanger.
NL7809776A (nl) Ontvanger met automatische, digitale afstemming.
NL190136C (nl) Afstemstuurkring.
NL188196C (nl) Radio-ontvanger.
NL191473C (nl) Radio-ontvanger met elektronische afstemming.
NL7703908A (nl) Radio-ontvanger.
DK215781A (da) Radiomodtager
NL7803675A (nl) Televisie-ontvanger.
NL7805825A (nl) Radio-ontvanger.
NL7801070A (nl) Televisie-ontvanger.
NL189840C (nl) Radio-ontvanginstallatie.
NL7712590A (nl) Televisieontvanger.
NL189021C (nl) Televisie-afsteminrichting.
NL185124C (nl) Superheterodijne radio-ontvanger met automatische afstemming.
IT1087136B (it) Ricevitore radio o televisivo
NL7712436A (nl) Televisieontvanger.
DK155066C (da) Radiomodtager

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 19990405