JPS5444562B2 - - Google Patents
Info
- Publication number
- JPS5444562B2 JPS5444562B2 JP10342975A JP10342975A JPS5444562B2 JP S5444562 B2 JPS5444562 B2 JP S5444562B2 JP 10342975 A JP10342975 A JP 10342975A JP 10342975 A JP10342975 A JP 10342975A JP S5444562 B2 JPS5444562 B2 JP S5444562B2
- Authority
- JP
- Japan
- 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
- 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
-
- 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
- H03D1/2236—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 a phase locked loop
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- 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
- H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S331/00—Oscillators
- Y10S331/02—Phase locked loop having lock indicating or detecting means
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50103429A JPS5228208A (en) | 1975-08-28 | 1975-08-28 | Fm multiplex stereo demodulator circuit |
US05/717,389 US4047116A (en) | 1975-08-28 | 1976-08-24 | FM multiplex stereo demodulating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50103429A JPS5228208A (en) | 1975-08-28 | 1975-08-28 | Fm multiplex stereo demodulator circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5228208A JPS5228208A (en) | 1977-03-03 |
JPS5444562B2 true JPS5444562B2 (ja) | 1979-12-26 |
Family
ID=14353782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50103429A Granted JPS5228208A (en) | 1975-08-28 | 1975-08-28 | Fm multiplex stereo demodulator circuit |
Country Status (2)
Country | Link |
---|---|
US (1) | US4047116A (ja) |
JP (1) | JPS5228208A (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5377102A (en) * | 1976-12-20 | 1978-07-08 | Nippon Gakki Seizo Kk | Fm stereo demodulating circuit |
US4164623A (en) * | 1977-11-17 | 1979-08-14 | Motorola, Inc. | AM stereo receiver with improved correction signals |
JPS5531342A (en) * | 1978-08-28 | 1980-03-05 | Pioneer Electronic Corp | Receiving device |
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 |
JPS5920302B2 (ja) * | 1980-12-01 | 1984-05-12 | ヤマハ株式会社 | パイロツト信号打消回路 |
DE3882489T2 (de) * | 1987-11-16 | 1994-02-17 | Sanyo Electric Co | PLL-Schaltung zum Generieren eines mit einem Eingangssignal mittels eines geschalteten Teilers synchronisierten Ausgangssignals. |
JPH03101528A (ja) * | 1989-09-14 | 1991-04-26 | Clarion Co Ltd | Fmステレオ受信装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029206A (ja) * | 1973-07-20 | 1975-03-25 | ||
JPS50106504A (ja) * | 1974-01-22 | 1975-08-22 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714595A (en) * | 1971-03-25 | 1973-01-30 | Warwick Electronics Inc | Demodulator using a phase locked loop |
JPS5822892B2 (ja) * | 1974-02-25 | 1983-05-12 | ソニー株式会社 | 4 チヤンネルステレオゴウセイシンゴウノ ハンベツカイロ |
US4002991A (en) * | 1975-01-29 | 1977-01-11 | Nippon Gakki Seizo Kabushiki Kaisha | Pilot signal extracting circuitry |
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1975
- 1975-08-28 JP JP50103429A patent/JPS5228208A/ja active Granted
-
1976
- 1976-08-24 US US05/717,389 patent/US4047116A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029206A (ja) * | 1973-07-20 | 1975-03-25 | ||
JPS50106504A (ja) * | 1974-01-22 | 1975-08-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS5228208A (en) | 1977-03-03 |
US4047116A (en) | 1977-09-06 |