FR2413815A1 - Appareil generateur d'ondes modulees - Google Patents
Appareil generateur d'ondes moduleesInfo
- Publication number
- FR2413815A1 FR2413815A1 FR7836369A FR7836369A FR2413815A1 FR 2413815 A1 FR2413815 A1 FR 2413815A1 FR 7836369 A FR7836369 A FR 7836369A FR 7836369 A FR7836369 A FR 7836369A FR 2413815 A1 FR2413815 A1 FR 2413815A1
- Authority
- FR
- France
- Prior art keywords
- energy
- carrier
- transmitted
- phase
- wave generator
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
Landscapes
- Amplitude Modulation (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/864,946 US4130811A (en) | 1977-12-27 | 1977-12-27 | Modulation system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413815A1 true FR2413815A1 (fr) | 1979-07-27 |
FR2413815B1 FR2413815B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-11-25 |
Family
ID=25344386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7836369A Granted FR2413815A1 (fr) | 1977-12-27 | 1978-12-26 | Appareil generateur d'ondes modulees |
Country Status (7)
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5985166A (ja) * | 1982-10-29 | 1984-05-17 | Fujitsu Ltd | 位相変調器 |
US4481645A (en) * | 1982-12-29 | 1984-11-06 | At&T Bell Laboratories | Linear distortion canceller circuit |
GB8909127D0 (en) * | 1989-04-21 | 1989-06-07 | Marconi Instruments Ltd | Modulation of adjacent channels |
EP0393856B1 (en) * | 1989-04-21 | 1995-09-20 | Marconi Instruments Limited | Modulation of adjacent channels |
US5045799A (en) * | 1989-09-28 | 1991-09-03 | Rockwell International Corporation | Peak to average power ratio reduction in a power amplifier with multiple carrier input |
US5133083A (en) * | 1990-01-12 | 1992-07-21 | Hewlett-Packard Company | Adjacent channel selectivity signal generator system |
US6823021B1 (en) | 2000-10-27 | 2004-11-23 | Greenwich Technologies Associates | Method and apparatus for space division multiple access receiver |
US7965794B2 (en) | 2000-05-05 | 2011-06-21 | Greenwich Technologies Associates | Method and apparatus for broadcasting with spatially diverse signals |
AU2001261188A1 (en) * | 2000-05-05 | 2001-11-20 | Greenwich Technologies Associates | Remote sensing using rayleigh signaling |
US9225369B2 (en) * | 2014-01-17 | 2015-12-29 | Qualcomm Incorporated | Filtering blocker components of a signal |
CN113796013A (zh) | 2019-03-14 | 2021-12-14 | 混合信号设备股份有限公司 | 数模转换器(dac)和模数转换器(adc)的线性化和相关方法 |
JP7710253B2 (ja) * | 2021-02-05 | 2025-07-18 | ミックスト-シグナル デバイシーズ インコーポレイテッド | 周波数逓倍器を使用したデジタル信号のチャープ発生のためのシステムおよび方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2478973A (en) * | 1948-04-05 | 1949-08-16 | Ct Res Lab Inc | Variable wave generator |
US3037190A (en) * | 1956-07-20 | 1962-05-29 | Rca Corp | Information transmission system |
US3100284A (en) * | 1960-08-31 | 1963-08-06 | Quentin A Kerns | Pulse synthesizing generator |
US3300726A (en) * | 1964-03-18 | 1967-01-24 | Gen Motors Corp | Sine spectrum generator |
FR2345039A1 (fr) * | 1976-03-19 | 1977-10-14 | Ampex | Montage reducteur d'interference de moire pour magnetoscopes a modulation de frequence |
-
1977
- 1977-12-27 US US05/864,946 patent/US4130811A/en not_active Expired - Lifetime
-
1978
- 1978-11-17 IL IL55978A patent/IL55978A0/xx not_active IP Right Cessation
- 1978-12-06 DE DE2852718A patent/DE2852718C2/de not_active Expired
- 1978-12-15 JP JP15430778A patent/JPS5492111A/ja active Pending
- 1978-12-21 SE SE7813206A patent/SE427604B/sv not_active IP Right Cessation
- 1978-12-21 GB GB7849417A patent/GB2011206B/en not_active Expired
- 1978-12-26 FR FR7836369A patent/FR2413815A1/fr active Granted
-
1987
- 1987-05-07 JP JP1987068454U patent/JPS62188841U/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2478973A (en) * | 1948-04-05 | 1949-08-16 | Ct Res Lab Inc | Variable wave generator |
US3037190A (en) * | 1956-07-20 | 1962-05-29 | Rca Corp | Information transmission system |
US3100284A (en) * | 1960-08-31 | 1963-08-06 | Quentin A Kerns | Pulse synthesizing generator |
US3300726A (en) * | 1964-03-18 | 1967-01-24 | Gen Motors Corp | Sine spectrum generator |
FR2345039A1 (fr) * | 1976-03-19 | 1977-10-14 | Ampex | Montage reducteur d'interference de moire pour magnetoscopes a modulation de frequence |
Also Published As
Publication number | Publication date |
---|---|
DE2852718C2 (de) | 1983-08-25 |
SE427604B (sv) | 1983-04-18 |
SE7813206L (sv) | 1979-06-28 |
GB2011206B (en) | 1982-08-18 |
FR2413815B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-11-25 |
IL55978A0 (en) | 1981-05-20 |
GB2011206A (en) | 1979-07-04 |
US4130811A (en) | 1978-12-19 |
JPS5492111A (en) | 1979-07-21 |
DE2852718A1 (de) | 1979-06-28 |
JPS62188841U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |