NL189637C - Radio-ontvanger. - Google Patents

Radio-ontvanger.

Info

Publication number
NL189637C
NL189637C NLAANVRAGE7603761,A NL7603761A NL189637C NL 189637 C NL189637 C NL 189637C NL 7603761 A NL7603761 A NL 7603761A NL 189637 C NL189637 C NL 189637C
Authority
NL
Netherlands
Prior art keywords
radio receiver
receiver
radio
Prior art date
Application number
NLAANVRAGE7603761,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7603761A (nl
NL189637B (nl
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of NL7603761A publication Critical patent/NL7603761A/xx
Publication of NL189637B publication Critical patent/NL189637B/xx
Application granted granted Critical
Publication of NL189637C publication Critical patent/NL189637C/xx

Links

Classifications

    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device
NLAANVRAGE7603761,A 1975-04-09 1976-04-09 Radio-ontvanger. NL189637C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50043033A JPS51117816A (en) 1975-04-09 1975-04-09 Receiver

Publications (3)

Publication Number Publication Date
NL7603761A NL7603761A (nl) 1976-10-12
NL189637B NL189637B (nl) 1993-01-04
NL189637C true NL189637C (nl) 1993-06-01

Family

ID=12652609

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7603761,A NL189637C (nl) 1975-04-09 1976-04-09 Radio-ontvanger.

Country Status (8)

Country Link
US (1) US4048569A (xx)
JP (1) JPS51117816A (xx)
AU (1) AU499741B2 (xx)
CA (1) CA1082314A (xx)
DE (1) DE2615383A1 (xx)
FR (1) FR2331214A1 (xx)
GB (1) GB1528284A (xx)
NL (1) NL189637C (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917861B2 (ja) * 1976-12-17 1984-04-24 京王技研工業株式会社 可変インピ−ダンス回路用ｉｃ
JPS5729368Y2 (xx) * 1977-02-10 1982-06-28
US4241453A (en) * 1978-10-19 1980-12-23 Harlan Drake Citizens band radio receiver with squelch control
US4471311A (en) * 1981-04-10 1984-09-11 Pioneer Electronic Corporation Detector circuit having AGC function
JPS60182812A (ja) * 1984-02-29 1985-09-18 Rohm Co Ltd 自動利得調整回路
CA1218119A (en) * 1984-03-15 1987-02-17 Andrey Polischuk Overload protector
EP2930647B1 (en) * 2014-04-11 2018-08-08 Nxp B.V. Contactless communication device with receiver input voltage stabilization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279128A (en) * 1939-05-09 1942-04-07 Nat Geophysical Company Signal control
US2949533A (en) * 1959-04-17 1960-08-16 Collins Radio Co Automatic gain control circuit for use in transistor amplifiers
US3303428A (en) * 1964-01-28 1967-02-07 Aircraft Radio Corp Manual or automatic transistor r. f. gain control system utilizing a voltage controlled variable resistance element
DE1616591A1 (de) * 1965-02-23 1971-05-27 Telefunken Patent Schaltungsanordnung zur selbsttaetigen Verstaerkungsregelung eines Transistorempfaengers
US3490046A (en) * 1967-04-05 1970-01-13 Electrohome Ltd Automatic gain control and overload protection for signal receiving systems
DE1562086A1 (de) * 1968-01-27 1970-03-05 Sennheiser Electronic Mikrofon mit Dynamikregler
US3571719A (en) * 1968-12-13 1971-03-23 Motorola Inc Overload compensation circuit for antenna tuning system
DE1927610B2 (de) * 1969-05-30 1975-01-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Signalschaltung unter Verwendung eines Feldeffekttransistors
GB1410592A (en) * 1971-10-04 1975-10-22 Dolby Laboratories Inc Controlled impedance devices

Also Published As

Publication number Publication date
FR2331214A1 (fr) 1977-06-03
GB1528284A (en) 1978-10-11
AU499741B2 (en) 1979-05-03
JPS51117816A (en) 1976-10-16
FR2331214B1 (xx) 1982-11-19
AU1250376A (en) 1977-10-06
CA1082314A (en) 1980-07-22
NL7603761A (nl) 1976-10-12
DE2615383A1 (de) 1976-10-21
NL189637B (nl) 1993-01-04
US4048569A (en) 1977-09-13

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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
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application