FI781937A - Stoerningsdaempning foer ukv-radiomottagare - Google Patents
Stoerningsdaempning foer ukv-radiomottagareInfo
- Publication number
- FI781937A FI781937A FI781937A FI781937A FI781937A FI 781937 A FI781937 A FI 781937A FI 781937 A FI781937 A FI 781937A FI 781937 A FI781937 A FI 781937A FI 781937 A FI781937 A FI 781937A
- Authority
- FI
- Finland
- Prior art keywords
- stoerningsdaempning
- radiomottagare
- ukv
- foer
- stoerningsdaempning foer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
- H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
-
- 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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7254577A JPS546702A (en) | 1977-06-17 | 1977-06-17 | Noise component eliminating circuit in fm received and the like |
JP7254577 | 1977-06-17 | ||
JP9925077A JPS5824981B2 (ja) | 1977-08-18 | 1977-08-18 | Fm受信機等におけるノイズ成分除去回路 |
JP9925077 | 1977-08-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI781937A true FI781937A (fi) | 1978-12-18 |
FI67981B FI67981B (fi) | 1985-02-28 |
FI67981C FI67981C (fi) | 1985-06-10 |
Family
ID=26413680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI781937A FI67981C (fi) | 1977-06-17 | 1978-06-16 | Stoerningsdaempning foer ukv-mottagning |
Country Status (10)
Country | Link |
---|---|
US (1) | US4191850A (fi) |
CH (1) | CH631847A5 (fi) |
DE (1) | DE2826524C3 (fi) |
DK (1) | DK162552C (fi) |
FI (1) | FI67981C (fi) |
FR (1) | FR2394935A1 (fi) |
GB (1) | GB2001229B (fi) |
NL (1) | NL177725C (fi) |
NO (1) | NO148870C (fi) |
SE (1) | SE432683B (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54122004A (en) * | 1978-03-15 | 1979-09-21 | Pioneer Electronic Corp | Fm receiver |
JPS5853805B2 (ja) * | 1979-02-15 | 1983-12-01 | 日本ビクター株式会社 | パイロット信号の除去装置 |
CA1144081A (en) * | 1979-04-27 | 1983-04-05 | Sadao Kondo | Noise removing apparatus |
JPS57196631A (en) * | 1981-05-28 | 1982-12-02 | Sanyo Electric Co Ltd | Detecting circuit for pulse noise |
NL8203384A (nl) * | 1982-08-31 | 1984-03-16 | Philips Nv | Fm-stereo-ontvanger. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3662113A (en) * | 1968-03-27 | 1972-05-09 | Scott Inc H H | Stereophonic demodulator apparatus and automatic monophonic-stereophonic switching circuit |
DE2006397A1 (de) * | 1969-02-18 | 1970-10-15 | PGH Tonfunk, Ermsleben | Patentwesen Ost-Berlin WPl37937 Schaltungsanordnung zur Abtrennung eines schmalen Frequenzbandes aus einem breiteren Frequenzband, insbesondere zur Abtrennung der Pilotfrequenz aus dem Multiplexsignal in Stereo-Decodern |
NL145420B (nl) * | 1969-10-25 | 1975-03-17 | Philips Nv | Schakeling voor het onderdrukken van storingen in een fm radio-ontvanger. |
DE2038581A1 (de) * | 1970-08-04 | 1972-02-10 | Braun Ag | Schaltungsanordnung zur Unterdrueckung von Stoersignalen |
JPS5225681B1 (fi) * | 1970-12-11 | 1977-07-09 | ||
JPS5816653B2 (ja) * | 1976-03-19 | 1983-04-01 | 三洋電機株式会社 | Fm受信機のパルス性雑音除去装置 |
JPS52132712A (en) * | 1976-04-30 | 1977-11-07 | Clarion Co Ltd | Noise deleting system |
-
1978
- 1978-06-13 SE SE7806825A patent/SE432683B/sv not_active IP Right Cessation
- 1978-06-16 DK DK272978A patent/DK162552C/da not_active IP Right Cessation
- 1978-06-16 US US05/916,353 patent/US4191850A/en not_active Expired - Lifetime
- 1978-06-16 DE DE2826524A patent/DE2826524C3/de not_active Expired
- 1978-06-16 CH CH657478A patent/CH631847A5/de not_active IP Right Cessation
- 1978-06-16 FR FR7818127A patent/FR2394935A1/fr active Granted
- 1978-06-16 NO NO782113A patent/NO148870C/no unknown
- 1978-06-16 GB GB7827103A patent/GB2001229B/en not_active Expired
- 1978-06-16 FI FI781937A patent/FI67981C/fi not_active IP Right Cessation
- 1978-06-16 NL NLAANVRAGE7806522,A patent/NL177725C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4191850A (en) | 1980-03-04 |
SE432683B (sv) | 1984-04-09 |
NO782113L (no) | 1978-12-19 |
NL177725B (nl) | 1985-06-03 |
NO148870B (no) | 1983-09-19 |
FR2394935B1 (fi) | 1981-08-21 |
DK162552C (da) | 1992-04-06 |
GB2001229B (en) | 1982-01-27 |
FI67981C (fi) | 1985-06-10 |
CH631847A5 (de) | 1982-08-31 |
NO148870C (no) | 1983-12-28 |
FR2394935A1 (fr) | 1979-01-12 |
DE2826524A1 (de) | 1979-01-11 |
NL177725C (nl) | 1985-11-01 |
FI67981B (fi) | 1985-02-28 |
GB2001229A (en) | 1979-01-24 |
DK162552B (da) | 1991-11-11 |
NL7806522A (nl) | 1978-12-19 |
DE2826524C3 (de) | 1983-01-13 |
SE7806825L (sv) | 1978-12-18 |
DK272978A (da) | 1978-12-18 |
DE2826524B2 (de) | 1980-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: SHARP KABUSHIKI KAISHA |