GB8312990D0 - Radio receiver - Google Patents

Radio receiver

Info

Publication number
GB8312990D0
GB8312990D0 GB838312990A GB8312990A GB8312990D0 GB 8312990 D0 GB8312990 D0 GB 8312990D0 GB 838312990 A GB838312990 A GB 838312990A GB 8312990 A GB8312990 A GB 8312990A GB 8312990 D0 GB8312990 D0 GB 8312990D0
Authority
GB
United Kingdom
Prior art keywords
radio receiver
receiver
radio
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.)
Granted
Application number
GB838312990A
Other versions
GB2122827A (en
GB2122827B (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NLAANVRAGE7906602,A external-priority patent/NL184594C/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB8312990D0 publication Critical patent/GB8312990D0/en
Publication of GB2122827A publication Critical patent/GB2122827A/en
Application granted granted Critical
Publication of GB2122827B publication Critical patent/GB2122827B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
GB08312990A 1979-09-04 1983-05-11 Radio receiver including a muting circuit Expired GB2122827B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7906602,A NL184594C (en) 1979-09-04 1979-09-04 RADIO RECEIVER EQUIPPED WITH A FREQUENCY KEYED LOOP WITH AUDIOFREQUENT FEEDBACK AND A STEAM SWITCH.
GB8028384A GB2059702B (en) 1979-09-04 1980-09-03 Muting a radio receiver which includes a frequency-locked loop tuning circuit

Publications (3)

Publication Number Publication Date
GB8312990D0 true GB8312990D0 (en) 1983-06-15
GB2122827A GB2122827A (en) 1984-01-18
GB2122827B GB2122827B (en) 1984-06-27

Family

ID=26276757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312990A Expired GB2122827B (en) 1979-09-04 1983-05-11 Radio receiver including a muting circuit

Country Status (2)

Country Link
GB (1) GB2122827B (en)
SG (2) SG76484G (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502967A (en) * 1985-09-19 1987-04-16 Philips Nv ANGLE DEMODULATOR.
DE4020694A1 (en) * 1990-06-29 1992-01-02 Philips Patentverwaltung RADIO RECEIVER WITH ACOUSTIC SIGNAL
US5327457A (en) * 1991-09-13 1994-07-05 Motorola, Inc. Operation indicative background noise in a digital receiver
DE10130052A1 (en) * 2001-06-21 2003-01-16 Harman Becker Automotive Sys Frequency search in a radio receiver

Also Published As

Publication number Publication date
SG76484G (en) 1985-04-26
GB2122827A (en) 1984-01-18
SG76584G (en) 1985-04-26
GB2122827B (en) 1984-06-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee