FR1221400A - Perfectionnements aux émetteurs à modulation de vitesse angulaire - Google Patents
Perfectionnements aux émetteurs à modulation de vitesse angulaireInfo
- Publication number
- FR1221400A FR1221400A FR790327A FR790327A FR1221400A FR 1221400 A FR1221400 A FR 1221400A FR 790327 A FR790327 A FR 790327A FR 790327 A FR790327 A FR 790327A FR 1221400 A FR1221400 A FR 1221400A
- Authority
- FR
- France
- Prior art keywords
- angular velocity
- velocity modulation
- modulation transmitters
- transmitters
- angular
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
-
- 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
- H04B1/68—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 for wholly or partially suppressing the carrier or one side band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Amplitude Modulation (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US724453A US3054073A (en) | 1958-03-27 | 1958-03-27 | Angular-velocity modulation transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1221400A true FR1221400A (fr) | 1960-06-01 |
Family
ID=24910502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR790327A Expired FR1221400A (fr) | 1958-03-27 | 1959-03-25 | Perfectionnements aux émetteurs à modulation de vitesse angulaire |
Country Status (5)
Country | Link |
---|---|
US (1) | US3054073A (fr) |
DE (1) | DE1154530B (fr) |
FR (1) | FR1221400A (fr) |
GB (1) | GB918583A (fr) |
NL (1) | NL237586A (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL258345A (fr) * | 1960-11-24 | |||
US3262056A (en) * | 1963-05-24 | 1966-07-19 | Winston Res Corp | Variable power level frequency modulation transmitter |
US3297951A (en) * | 1963-12-20 | 1967-01-10 | Ibm | Transversal filter having a tapped and an untapped delay line of equal delay, concatenated to effectively provide sub-divided delays along both lines |
US3350645A (en) * | 1964-11-30 | 1967-10-31 | Leonard R Kahn | Compatible single-sideband system with synthesized phase modulating wave |
US3453552A (en) * | 1965-05-27 | 1969-07-01 | Milgo Electronic Corp | Intercept corrector and phase shifter device |
DE1267278B (de) * | 1966-09-30 | 1968-05-02 | Telefunken Patent | Sender zur Erzeugung eines kompatiblen Restseitenbandsignals |
US3412372A (en) * | 1967-02-21 | 1968-11-19 | Navy Usa | Sonar multibeam tracking system including a digital 90 deg. phase shifter |
US3486134A (en) * | 1967-04-28 | 1969-12-23 | Bell Telephone Labor Inc | Frequency and amplitude stabilized signal sources using feed-forward techniques to cancel error components |
GB1176214A (en) * | 1967-05-25 | 1970-01-01 | Communications Patents Ltd | Improvements in and relating to Electric Signal Processing Devices |
US3568107A (en) * | 1969-09-09 | 1971-03-02 | Ronald D Haggarty | Method and apparatus for effecting tapped delay line synthesis of large time bandwidth filters |
JPS5038488B1 (fr) * | 1970-08-14 | 1975-12-10 | ||
US3732507A (en) * | 1971-10-18 | 1973-05-08 | California Instr Co | Ac power supply having computer controlled frequency and phase and amplitude |
US3806833A (en) * | 1972-03-17 | 1974-04-23 | Alden Res Found | Video printer and fm to am signal converter |
US3895316A (en) * | 1973-08-29 | 1975-07-15 | W P Instr Inc | Complex tone modulation |
US3868599A (en) * | 1973-12-17 | 1975-02-25 | Rank Xerox Ltd | Single sideband frequency modulation system |
US4166923A (en) * | 1974-07-19 | 1979-09-04 | Nippon Telegraph & Telephone Public Corporation | Amplitude- and periodic phase-modulation transmission system |
US4039978A (en) * | 1976-04-12 | 1977-08-02 | International Business Machines Corporation | Logic controlled charge transfer device transversal filter employing simple weighting |
GB1590322A (en) * | 1977-05-20 | 1981-05-28 | Racal Res Ltd | Data transmission |
US4170764A (en) * | 1978-03-06 | 1979-10-09 | Bell Telephone Laboratories, Incorporated | Amplitude and frequency modulation system |
US5392147A (en) * | 1991-10-21 | 1995-02-21 | Nec Corporation | Optical trunk transmission system and an optical repeater circuit |
GB2262674B (en) * | 1991-12-18 | 1995-04-12 | Northern Telecom Ltd | Modulator circuit |
US5450044A (en) * | 1993-04-14 | 1995-09-12 | Acrodyne Industries, Inc. | Quadrature amplitude modulator including a digital amplitude modulator as a component thereof |
US5469127A (en) * | 1992-08-04 | 1995-11-21 | Acrodyne Industries, Inc. | Amplification apparatus and method including modulator component |
US6101224A (en) * | 1998-10-07 | 2000-08-08 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for generating a linearly modulated signal using polar modulation |
US7126999B2 (en) | 2003-08-11 | 2006-10-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Pseudo-polar modulation for radio transmitters |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2202327A (en) * | 1938-06-07 | 1940-05-28 | Corning Glass Works | Frosted glass article and method of making it |
GB556208A (en) * | 1941-04-25 | 1943-09-24 | Standard Telephones Cables Ltd | Arrangement for conversion of frequency modulation to phase modulation and the application thereof to the production of a frequency modulated wave from a frequency stable oscillator |
US2500945A (en) * | 1943-11-08 | 1950-03-21 | Sperry Corp | Modulator and frequency changer |
US2525475A (en) * | 1948-07-22 | 1950-10-10 | Westinghouse Electric Corp | Radio apparatus |
US2923887A (en) * | 1955-11-29 | 1960-02-02 | Ross Radio Corp | Electronic circuit arrangement for the controlled amplification of a desired signal |
-
0
- GB GB918583D patent/GB918583A/en not_active Expired
- NL NL237586D patent/NL237586A/xx unknown
-
1958
- 1958-03-27 US US724453A patent/US3054073A/en not_active Expired - Lifetime
-
1959
- 1959-03-18 DE DER25166A patent/DE1154530B/de active Pending
- 1959-03-25 FR FR790327A patent/FR1221400A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL237586A (fr) | |
US3054073A (en) | 1962-09-11 |
DE1154530B (de) | 1963-09-19 |
GB918583A (fr) | 1900-01-01 |
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