CH254954A - Device for receiving a phase-shifted oscillation. - Google Patents
Device for receiving a phase-shifted oscillation.Info
- Publication number
- CH254954A CH254954A CH254954DA CH254954A CH 254954 A CH254954 A CH 254954A CH 254954D A CH254954D A CH 254954DA CH 254954 A CH254954 A CH 254954A
- Authority
- CH
- Switzerland
- Prior art keywords
- phase
- receiving
- shifted oscillation
- oscillation
- shifted
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2491810X | 1945-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH254954A true CH254954A (en) | 1948-05-31 |
Family
ID=4569621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH254954D CH254954A (en) | 1945-10-04 | 1945-10-04 | Device for receiving a phase-shifted oscillation. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2491810A (en) |
CH (1) | CH254954A (en) |
DE (1) | DE848838C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2624834A (en) * | 1949-09-29 | 1953-01-06 | Rca Corp | Diversity frequency shift reception |
US2676245A (en) * | 1949-12-02 | 1954-04-20 | Collins Radio Co | Polar communication system |
US2636115A (en) * | 1949-12-22 | 1953-04-21 | Rca Corp | Frequency shift diversity reception |
US2978544A (en) * | 1955-05-20 | 1961-04-04 | Siemens Ag | Apparatus for simultaneously transmitting a plurality of messages |
US3112448A (en) * | 1958-04-28 | 1963-11-26 | Robertshaw Controls Co | Phase shift keying communication system |
DE1227086B (en) * | 1958-04-28 | 1966-10-20 | Robertshaw Fulton Controls Co | Circuit for demodulating an etric high-frequency oscillation modulated step by step with N phase angles omega |
NL242240A (en) * | 1958-04-28 | |||
DE1158128B (en) * | 1959-04-27 | 1963-11-28 | Robertshaw Fulton Controls Co | Receiver for phase-modulated high-frequency oscillations |
NL266851A (en) * | 1960-07-07 | |||
US3078344A (en) * | 1960-10-25 | 1963-02-19 | Robertshaw Fulton Controls Co | Phase demodulation of keyed carrier by use of synchronous gating, with phase lock driven step wise in response to forbidden output |
NZ138099A (en) * | 1963-05-10 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE416457C (en) * | 1923-09-24 | 1925-07-16 | Lorenz Akt Ges C | Method for the simultaneous transmission of several messages on one line by means of alternating currents of different frequencies |
DE444426C (en) * | 1923-09-24 | 1927-05-24 | Lorenz Akt Ges C | Device for the simultaneous transmission of several messages on one line |
FR732258A (en) * | 1931-04-29 | 1932-09-15 | Receiving signals without a carrier wave | |
FR803109A (en) * | 1935-06-06 | 1936-09-23 | Soc Et Liaisons Telephoniques | Improvement in alternating current transmission methods and application device |
CH211745A (en) * | 1935-07-27 | 1940-10-15 | Loewe Opta Gmbh | Circuit arrangement for generating one-sided short pulses of adjustable duration by reducing a control frequency. |
US2154073A (en) * | 1936-12-31 | 1939-04-11 | Rca Corp | Continuous wave signal receiving system |
US2253832A (en) * | 1939-10-14 | 1941-08-26 | Rca Corp | Signaling |
US2282971A (en) * | 1939-11-30 | 1942-05-12 | Rca Corp | Signal detecting system |
US2351192A (en) * | 1942-03-13 | 1944-06-13 | Rca Corp | Frequency modulation receiver |
US2340432A (en) * | 1942-05-23 | 1944-02-01 | Rca Corp | Phase modulation receiver |
-
1945
- 1945-10-04 CH CH254954D patent/CH254954A/en unknown
-
1946
- 1946-09-18 US US697767A patent/US2491810A/en not_active Expired - Lifetime
-
1949
- 1949-01-01 DE DEP28988A patent/DE848838C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2491810A (en) | 1949-12-20 |
DE848838C (en) | 1952-09-08 |
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