CH233042A - Method for keying a transmitter for phase telegraphy. - Google Patents
Method for keying a transmitter for phase telegraphy.Info
- Publication number
- CH233042A CH233042A CH233042DA CH233042A CH 233042 A CH233042 A CH 233042A CH 233042D A CH233042D A CH 233042DA CH 233042 A CH233042 A CH 233042A
- Authority
- CH
- Switzerland
- Prior art keywords
- keying
- transmitter
- phase telegraphy
- telegraphy
- phase
- Prior art date
Links
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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/2057—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases with a separate carrier for each phase state
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE233042X | 1942-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH233042A true CH233042A (en) | 1944-06-30 |
Family
ID=5884044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH233042D CH233042A (en) | 1942-02-21 | 1943-01-26 | Method for keying a transmitter for phase telegraphy. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH233042A (en) |
| FR (1) | FR896841A (en) |
| NL (1) | NL64319C (en) |
-
0
- NL NL64319D patent/NL64319C/xx active
-
1943
- 1943-01-26 CH CH233042D patent/CH233042A/en unknown
- 1943-07-29 FR FR896841D patent/FR896841A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR896841A (en) | 1945-03-05 |
| NL64319C (en) |
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