FR2262451B2 - - Google Patents
Info
- Publication number
- FR2262451B2 FR2262451B2 FR7506018A FR7506018A FR2262451B2 FR 2262451 B2 FR2262451 B2 FR 2262451B2 FR 7506018 A FR7506018 A FR 7506018A FR 7506018 A FR7506018 A FR 7506018A FR 2262451 B2 FR2262451 B2 FR 2262451B2
- Authority
- FR
- France
- 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.)
- Expired
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2262451A2 FR2262451A2 (fr) | 1975-09-19 |
| FR2262451B2 true FR2262451B2 (fr) | 1979-03-02 |
Family
ID=19820840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7506018A Expired FR2262451B2 (fr) | 1974-02-26 | 1975-02-26 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS50120204A (fr) |
| AT (1) | AT353848B (fr) |
| AU (1) | AU498890B2 (fr) |
| BE (1) | BE825895R (fr) |
| DE (1) | DE2505956A1 (fr) |
| DK (1) | DK67975A (fr) |
| ES (1) | ES435033A2 (fr) |
| FR (1) | FR2262451B2 (fr) |
| GB (1) | GB1493870A (fr) |
| HK (1) | HK60078A (fr) |
| IT (1) | IT1030251B (fr) |
| NL (1) | NL7402576A (fr) |
| ZA (1) | ZA75824B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL188133C (nl) * | 1976-12-28 | 1992-04-01 | Clarion Co Ltd | Ruisonderdrukkingsschakeling voor een am-ontvanger. |
| 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 IT IT67456/75A patent/IT1030251B/it active
- 1975-02-21 GB GB7357/75A patent/GB1493870A/en not_active Expired
- 1975-02-21 DK DK67975*#A patent/DK67975A/da unknown
- 1975-02-22 JP JP50022360A patent/JPS50120204A/ja active Pending
- 1975-02-24 BE BE153667A patent/BE825895R/fr active
- 1975-02-24 AU AU78464/75A patent/AU498890B2/en not_active Expired
- 1975-02-24 ES ES435033A patent/ES435033A2/es 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 |
|---|---|
| AT353848B (de) | 1979-12-10 |
| DK67975A (fr) | 1975-10-27 |
| AU7846475A (en) | 1976-08-26 |
| AU498890B2 (en) | 1979-03-29 |
| GB1493870A (en) | 1977-11-30 |
| NL7402576A (nl) | 1975-08-28 |
| BE825895R (fr) | 1975-08-25 |
| DE2505956A1 (de) | 1975-08-28 |
| ATA142675A (de) | 1979-05-15 |
| ES435033A2 (es) | 1977-02-16 |
| HK60078A (en) | 1978-10-20 |
| JPS50120204A (fr) | 1975-09-20 |
| ZA75824B (en) | 1976-09-29 |
| FR2262451A2 (fr) | 1975-09-19 |
| IT1030251B (it) | 1979-03-30 |