JPS6068703A - デイジタル遅延および自己相関によるfm復調方法と回路 - Google Patents
デイジタル遅延および自己相関によるfm復調方法と回路Info
- Publication number
- JPS6068703A JPS6068703A JP59153303A JP15330384A JPS6068703A JP S6068703 A JPS6068703 A JP S6068703A JP 59153303 A JP59153303 A JP 59153303A JP 15330384 A JP15330384 A JP 15330384A JP S6068703 A JPS6068703 A JP S6068703A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- autocorrelation
- detection method
- discrimination circuit
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims 2
- 238000001514 detection method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims 3
- 238000007620 mathematical function Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 240000000530 Alcea rosea Species 0.000 description 1
- 235000017334 Alcea rosea Nutrition 0.000 description 1
- 235000017303 Althaea rosea Nutrition 0.000 description 1
- 101100346154 Caenorhabditis elegans oma-1 gene Proteins 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51681383A | 1983-07-25 | 1983-07-25 | |
US516813 | 1990-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6068703A true JPS6068703A (ja) | 1985-04-19 |
Family
ID=24057194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59153303A Pending JPS6068703A (ja) | 1983-07-25 | 1984-07-25 | デイジタル遅延および自己相関によるfm復調方法と回路 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6068703A (de) |
DE (1) | DE3425782A1 (de) |
FR (1) | FR2550675A1 (de) |
GB (1) | GB2144004A (de) |
IT (1) | IT1176437B (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61247107A (ja) * | 1985-04-25 | 1986-11-04 | Matsushita Electric Ind Co Ltd | 同期検波装置 |
US7284130B2 (en) | 2002-07-26 | 2007-10-16 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7599517B2 (en) | 2005-03-11 | 2009-10-06 | Kabushiki Kaisha Toshiba | Digital watermark detecting device and method thereof |
US7653211B2 (en) | 2005-02-21 | 2010-01-26 | Kabushiki Kaisha Toshiba | Digital watermark embedding apparatus and digital watermark detection apparatus |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2798526B2 (ja) * | 1991-06-20 | 1998-09-17 | 富士通株式会社 | 周波数弁別器 |
FR2738421B1 (fr) * | 1995-08-30 | 1997-10-17 | Suisse Electronique Microtech | Dispositif demodulateur d'un signal module en frequence |
JP4413858B2 (ja) | 2005-12-13 | 2010-02-10 | 株式会社東芝 | 乱数検定回路 |
DE102006001868B4 (de) * | 2006-01-13 | 2012-03-01 | Austriamicrosystems Ag | Schaltungsanordnung und Verfahren zur Ansteuerung einer elektrischen Last und eine Energieversorgungseinrichtung |
US7768216B2 (en) | 2006-06-28 | 2010-08-03 | Austriamicrosystems Ag | Control circuit and method for controlling light emitting diodes |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3392337A (en) * | 1965-02-09 | 1968-07-09 | Continental Electronics Mfg | Wide band frequency discriminator employing a constant delay |
US3624523A (en) * | 1969-09-19 | 1971-11-30 | Hughes Aircraft Co | Digital frequency discriminator |
GB1368419A (en) * | 1973-06-11 | 1974-09-25 | Singer Co | Crystal controlled frequency discriminator |
FR2237357B1 (de) * | 1973-07-09 | 1977-02-18 | Singer Co | |
GB1530151A (en) * | 1976-01-12 | 1978-10-25 | Gen Electric Co Ltd | Frequency discriminators |
-
1984
- 1984-07-10 GB GB08417549A patent/GB2144004A/en not_active Withdrawn
- 1984-07-13 DE DE19843425782 patent/DE3425782A1/de not_active Withdrawn
- 1984-07-18 FR FR8411360A patent/FR2550675A1/fr active Pending
- 1984-07-19 IT IT21964/84A patent/IT1176437B/it active
- 1984-07-25 JP JP59153303A patent/JPS6068703A/ja active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61247107A (ja) * | 1985-04-25 | 1986-11-04 | Matsushita Electric Ind Co Ltd | 同期検波装置 |
JPH0770923B2 (ja) * | 1985-04-25 | 1995-07-31 | 松下電器産業株式会社 | 同期検波装置 |
US7426640B2 (en) | 2002-07-26 | 2008-09-16 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7428640B2 (en) | 2002-07-26 | 2008-09-23 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7380127B2 (en) | 2002-07-26 | 2008-05-27 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7398397B2 (en) | 2002-07-26 | 2008-07-08 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7421584B2 (en) | 2002-07-26 | 2008-09-02 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7426641B2 (en) | 2002-07-26 | 2008-09-16 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7284130B2 (en) | 2002-07-26 | 2007-10-16 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7370207B2 (en) | 2002-07-26 | 2008-05-06 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7437564B2 (en) | 2002-07-26 | 2008-10-14 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7437565B2 (en) | 2002-07-26 | 2008-10-14 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7451320B2 (en) | 2002-07-26 | 2008-11-11 | Kabushiki Kaisha Toshiba | Digital watermark detection method and apparatus |
US7653211B2 (en) | 2005-02-21 | 2010-01-26 | Kabushiki Kaisha Toshiba | Digital watermark embedding apparatus and digital watermark detection apparatus |
US7894628B2 (en) | 2005-02-21 | 2011-02-22 | Kabushiki Kaisha Toshiba | Digital watermark embedding apparatus and digital watermark detection apparatus |
US7599517B2 (en) | 2005-03-11 | 2009-10-06 | Kabushiki Kaisha Toshiba | Digital watermark detecting device and method thereof |
Also Published As
Publication number | Publication date |
---|---|
DE3425782A1 (de) | 1985-02-14 |
IT1176437B (it) | 1987-08-18 |
GB2144004A (en) | 1985-02-20 |
FR2550675A1 (fr) | 1985-02-15 |
IT8421964A0 (it) | 1984-07-19 |
GB8417549D0 (en) | 1984-08-15 |
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