BR8202023A - Aparelho para demodular um sinal estereofonico am - Google Patents
Aparelho para demodular um sinal estereofonico amInfo
- Publication number
- BR8202023A BR8202023A BR8202023A BR8202023A BR8202023A BR 8202023 A BR8202023 A BR 8202023A BR 8202023 A BR8202023 A BR 8202023A BR 8202023 A BR8202023 A BR 8202023A BR 8202023 A BR8202023 A BR 8202023A
- Authority
- BR
- Brazil
- Prior art keywords
- demodulating
- appliance
- stereophonic signal
- stereophonic
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
- H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56052265A JPS57166753A (en) | 1981-04-07 | 1981-04-07 | Stereophonic demodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8202023A true BR8202023A (pt) | 1983-03-15 |
Family
ID=12909933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8202023A BR8202023A (pt) | 1981-04-07 | 1982-04-07 | Aparelho para demodular um sinal estereofonico am |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4449230A (pt) |
| JP (1) | JPS57166753A (pt) |
| KR (1) | KR880000460B1 (pt) |
| BR (1) | BR8202023A (pt) |
| CA (1) | CA1174737A (pt) |
| DE (1) | DE3213108A1 (pt) |
| GB (1) | GB2100555B (pt) |
| NL (1) | NL8201463A (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4872207A (en) * | 1987-04-15 | 1989-10-03 | Motorola, Inc. | Automatic IF tangent lock control circuit |
| US5014316A (en) * | 1990-03-21 | 1991-05-07 | Delco Electronics Corporation | Compatible quadrature amplitude modulation detector system |
| US5357574A (en) * | 1992-12-14 | 1994-10-18 | Ford Motor Company | Coherent signal generation in digital radio receiver |
| US6005886A (en) * | 1996-08-05 | 1999-12-21 | Digital Radio Communications Corp. | Synchronization-free spread-spectrum demodulator |
| JP5774016B2 (ja) * | 2010-09-30 | 2015-09-02 | シチズンホールディングス株式会社 | 物理量センサ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1450533A (en) * | 1972-11-08 | 1976-09-22 | Ferrograph Co Ltd | Stereo sound reproducing apparatus |
| US4170716A (en) * | 1977-10-14 | 1979-10-09 | Motorola, Inc. | AM stereo receiver with correction limiting |
| US4349696A (en) * | 1979-02-05 | 1982-09-14 | Hitachi, Ltd. | AM Stereophonic demodulator circuit for amplitude/angle modulation system |
| JPS5843941B2 (ja) * | 1980-01-28 | 1983-09-30 | パイオニア株式会社 | Ａｍステレオ受信機 |
-
1981
- 1981-04-07 JP JP56052265A patent/JPS57166753A/ja active Granted
-
1982
- 1982-03-30 CA CA000399820A patent/CA1174737A/en not_active Expired
- 1982-04-01 US US06/364,620 patent/US4449230A/en not_active Expired - Fee Related
- 1982-04-06 GB GB8210193A patent/GB2100555B/en not_active Expired
- 1982-04-06 NL NL8201463A patent/NL8201463A/nl not_active Application Discontinuation
- 1982-04-06 KR KR8201549A patent/KR880000460B1/ko active
- 1982-04-07 DE DE19823213108 patent/DE3213108A1/de not_active Withdrawn
- 1982-04-07 BR BR8202023A patent/BR8202023A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2100555A (en) | 1982-12-22 |
| DE3213108A1 (de) | 1982-11-11 |
| CA1174737A (en) | 1984-09-18 |
| JPS6239858B2 (pt) | 1987-08-25 |
| NL8201463A (nl) | 1982-11-01 |
| GB2100555B (en) | 1985-04-24 |
| KR880000460B1 (en) | 1988-04-06 |
| JPS57166753A (en) | 1982-10-14 |
| US4449230A (en) | 1984-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Lapse due to non-payment of fees (art. 50) |