CH232535A - Circuit arrangement for transmissions for alternating current telegraphy with phase reversal. - Google Patents
Circuit arrangement for transmissions for alternating current telegraphy with phase reversal.Info
- Publication number
- CH232535A CH232535A CH232535DA CH232535A CH 232535 A CH232535 A CH 232535A CH 232535D A CH232535D A CH 232535DA CH 232535 A CH232535 A CH 232535A
- Authority
- CH
- Switzerland
- Prior art keywords
- transmissions
- alternating current
- circuit arrangement
- phase reversal
- current telegraphy
- 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
- H04L27/22—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
-
- 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)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE220357X | 1940-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH232535A true CH232535A (en) | 1944-05-31 |
Family
ID=5834070
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH220357D CH220357A (en) | 1940-06-21 | 1941-07-07 | Circuit arrangement for transmissions for alternating current telegraphy with phase reversal. |
CH230372D CH230372A (en) | 1940-06-21 | 1942-04-24 | Circuit arrangement for alternating current telegraphy with phase reversal. |
CH232535D CH232535A (en) | 1940-06-21 | 1942-10-06 | Circuit arrangement for transmissions for alternating current telegraphy with phase reversal. |
CH236355D CH236355A (en) | 1940-06-21 | 1943-03-04 | Circuit arrangement for the transmission of alternating current telegraph characters by means of alternating current telegraphy with phase reversal. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH220357D CH220357A (en) | 1940-06-21 | 1941-07-07 | Circuit arrangement for transmissions for alternating current telegraphy with phase reversal. |
CH230372D CH230372A (en) | 1940-06-21 | 1942-04-24 | Circuit arrangement for alternating current telegraphy with phase reversal. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH236355D CH236355A (en) | 1940-06-21 | 1943-03-04 | Circuit arrangement for the transmission of alternating current telegraph characters by means of alternating current telegraphy with phase reversal. |
Country Status (5)
Country | Link |
---|---|
BE (4) | BE442212A (en) |
CH (4) | CH220357A (en) |
DE (1) | DE738060C (en) |
FR (4) | FR875598A (en) |
NL (2) | NL56806C (en) |
-
0
- BE BE447740D patent/BE447740A/xx unknown
- NL NL64217D patent/NL64217C/xx active
- NL NL56806D patent/NL56806C/xx active
- BE BE446373D patent/BE446373A/xx unknown
- BE BE449730D patent/BE449730A/xx unknown
- BE BE442212D patent/BE442212A/xx unknown
-
1940
- 1940-06-21 DE DEL101090D patent/DE738060C/en not_active Expired
-
1941
- 1941-07-07 CH CH220357D patent/CH220357A/en unknown
- 1941-09-05 FR FR875598D patent/FR875598A/en not_active Expired
-
1942
- 1942-04-24 CH CH230372D patent/CH230372A/en unknown
- 1942-06-26 FR FR52200D patent/FR52200E/en not_active Expired
- 1942-10-06 CH CH232535D patent/CH232535A/en unknown
- 1942-10-23 FR FR52573D patent/FR52573E/en not_active Expired
-
1943
- 1943-03-04 CH CH236355D patent/CH236355A/en unknown
- 1943-03-17 FR FR52926D patent/FR52926E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE442212A (en) | 1900-01-01 |
CH236355A (en) | 1945-01-31 |
BE447740A (en) | 1900-01-01 |
FR875598A (en) | 1942-09-28 |
DE738060C (en) | 1943-08-02 |
FR52926E (en) | 1945-08-24 |
BE446373A (en) | 1900-01-01 |
BE449730A (en) | 1900-01-01 |
FR52573E (en) | 1945-04-30 |
NL56806C (en) | 1900-01-01 |
FR52200E (en) | 1943-09-15 |
CH230372A (en) | 1943-12-31 |
CH220357A (en) | 1942-03-31 |
NL64217C (en) | 1900-01-01 |
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