ZA75824B - Circuit arrangement for suppressing interference in an fm radio receiver - Google Patents
Circuit arrangement for suppressing interference in an fm radio receiverInfo
- Publication number
- ZA75824B ZA75824B ZA00750824A ZA75824A ZA75824B ZA 75824 B ZA75824 B ZA 75824B ZA 00750824 A ZA00750824 A ZA 00750824A ZA 75824 A ZA75824 A ZA 75824A ZA 75824 B ZA75824 B ZA 75824B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit arrangement
- radio receiver
- suppressing interference
- suppressing
- interference
- Prior art date
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
- H03G3/34—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7402576A NL7402576A (nl) | 1974-02-26 | 1974-02-26 | Schakeling voor het onderdrukken van storingen in een fm-radio-ontvanger. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA75824B true ZA75824B (en) | 1976-09-29 |
Family
ID=19820840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00750824A ZA75824B (en) | 1974-02-26 | 1975-02-10 | Circuit arrangement for suppressing interference in an fm radio receiver |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS50120204A (da) |
| AT (1) | AT353848B (da) |
| AU (1) | AU498890B2 (da) |
| BE (1) | BE825895R (da) |
| DE (1) | DE2505956A1 (da) |
| DK (1) | DK67975A (da) |
| ES (1) | ES435033A2 (da) |
| FR (1) | FR2262451B2 (da) |
| GB (1) | GB1493870A (da) |
| HK (1) | HK60078A (da) |
| IT (1) | IT1030251B (da) |
| NL (1) | NL7402576A (da) |
| ZA (1) | ZA75824B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1593408A (en) * | 1976-12-28 | 1981-07-15 | Clarion Co Ltd | Noise eliminating circuit |
| GB1562891A (en) * | 1977-02-22 | 1980-03-19 | Toko Inc | Noise cancelling systems for fm receivers |
-
1974
- 1974-02-26 NL NL7402576A patent/NL7402576A/xx unknown
-
1975
- 1975-02-10 ZA ZA00750824A patent/ZA75824B/xx unknown
- 1975-02-13 DE DE19752505956 patent/DE2505956A1/de not_active Withdrawn
- 1975-02-21 DK DK67975*#A patent/DK67975A/da unknown
- 1975-02-21 IT IT67456/75A patent/IT1030251B/it active
- 1975-02-21 GB GB7357/75A patent/GB1493870A/en not_active Expired
- 1975-02-22 JP JP50022360A patent/JPS50120204A/ja active Pending
- 1975-02-24 BE BE153667A patent/BE825895R/xx active
- 1975-02-24 ES ES435033A patent/ES435033A2/es not_active Expired
- 1975-02-24 AU AU78464/75A patent/AU498890B2/en not_active Expired
- 1975-02-25 AT AT142675A patent/AT353848B/de not_active IP Right Cessation
- 1975-02-26 FR FR7506018A patent/FR2262451B2/fr not_active Expired
-
1978
- 1978-10-12 HK HK600/78A patent/HK60078A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK60078A (en) | 1978-10-20 |
| AU7846475A (en) | 1976-08-26 |
| JPS50120204A (da) | 1975-09-20 |
| FR2262451B2 (da) | 1979-03-02 |
| IT1030251B (it) | 1979-03-30 |
| DK67975A (da) | 1975-10-27 |
| NL7402576A (nl) | 1975-08-28 |
| BE825895R (fr) | 1975-08-25 |
| AU498890B2 (en) | 1979-03-29 |
| ATA142675A (de) | 1979-05-15 |
| ES435033A2 (es) | 1977-02-16 |
| AT353848B (de) | 1979-12-10 |
| GB1493870A (en) | 1977-11-30 |
| DE2505956A1 (de) | 1975-08-28 |
| FR2262451A2 (da) | 1975-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA937639A (en) | Circuit arrangement for suppressing interferences in an fm radio receiver | |
| JPS5279713A (en) | Tuning circuit for high frequency receiver | |
| GB1552844A (en) | Radio receivers | |
| JPS5570127A (en) | Radio receiver | |
| JPS51139206A (en) | Interference suppressing circuit for fm broadcasting receiver | |
| JPS5678287A (en) | Squelch circuit | |
| JPS52117507A (en) | Am radio receiver | |
| JPS5244508A (en) | Radio receiver | |
| JPS5215214A (en) | Circuit for tuning high frequency receiver | |
| JPS5275205A (en) | Tuning circuit for high frequency receiver | |
| US4009440A (en) | Radio receiver | |
| ZA75824B (en) | Circuit arrangement for suppressing interference in an fm radio receiver | |
| NO782113L (no) | Krets for interferens reduksjon til bruk i en fm radiomottaker | |
| HK5579A (en) | Electronic circuit for noise suppression in radio receivers | |
| ATA392376A (de) | Schi, insbesondere langlaufschi, mit einer auswechselbaren steighilfe | |
| JPS51137301A (en) | Radio receiver tuner | |
| JPS51136202A (en) | Pushhbutton radio tuner | |
| HK1081A (en) | Blanking circuit for a radio receiver | |
| JPS5258304A (en) | Radio receiver circuit | |
| JPS52127017A (en) | Am fm radio receiver | |
| CA1035477A (en) | Receiver tuning circuit | |
| JPS5246472A (en) | Molded chassis and pulley for radio receiver | |
| ZA767087B (en) | Tuning device for an fm car radio | |
| JPS52137905A (en) | Circuit for suppressing pulse noise in fm receiver | |
| GB1548211A (en) | Radio receivers |