JPS6221086Y2 - - Google Patents
Info
- Publication number
- JPS6221086Y2 JPS6221086Y2 JP1980021638U JP2163880U JPS6221086Y2 JP S6221086 Y2 JPS6221086 Y2 JP S6221086Y2 JP 1980021638 U JP1980021638 U JP 1980021638U JP 2163880 U JP2163880 U JP 2163880U JP S6221086 Y2 JPS6221086 Y2 JP S6221086Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- switching
- outputs
- stereo
- 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.)
- Expired
Links
Classifications
-
- 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
- H04H40/45—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 for FM stereophonic broadcast systems receiving
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2227—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using switches for the decoding
-
- 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
- H04H40/45—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 for FM stereophonic broadcast systems receiving
- H04H40/72—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 for FM stereophonic broadcast systems receiving for noise suppression
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980021638U JPS6221086Y2 (en:Method) | 1980-02-21 | 1980-02-21 | |
US06/234,962 US4386235A (en) | 1980-02-21 | 1981-02-17 | FM Stereo demodulator circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980021638U JPS6221086Y2 (en:Method) | 1980-02-21 | 1980-02-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56123658U JPS56123658U (en:Method) | 1981-09-19 |
JPS6221086Y2 true JPS6221086Y2 (en:Method) | 1987-05-28 |
Family
ID=12060605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980021638U Expired JPS6221086Y2 (en:Method) | 1980-02-21 | 1980-02-21 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4386235A (en:Method) |
JP (1) | JPS6221086Y2 (en:Method) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6031308A (ja) * | 1983-07-30 | 1985-02-18 | Pioneer Electronic Corp | 低域濾波回路 |
FR2720165B1 (fr) * | 1994-05-17 | 1996-06-21 | Valeo Electronique | Dispositif de détection de mouvement, utilisant l'effet Doppler ultrasonore. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3721766A (en) * | 1970-11-16 | 1973-03-20 | Motorola Inc | Frequency multiplying circuit utilizing time gates and switching signals of differing phases |
JPS5394101A (en) * | 1977-01-28 | 1978-08-17 | Sansui Electric Co | Demodulating circuit |
JPS5845862B2 (ja) * | 1977-02-17 | 1983-10-13 | 松下電器産業株式会社 | ステレオ復調回路 |
US4194161A (en) * | 1978-10-25 | 1980-03-18 | Harris Corporation | Switching modulators and demodulators utilizing modified switching signal |
JPS5854691B2 (ja) * | 1979-02-13 | 1983-12-06 | 株式会社日立製作所 | ステレオ復調方式 |
-
1980
- 1980-02-21 JP JP1980021638U patent/JPS6221086Y2/ja not_active Expired
-
1981
- 1981-02-17 US US06/234,962 patent/US4386235A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4386235A (en) | 1983-05-31 |
JPS56123658U (en:Method) | 1981-09-19 |
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