CH458432A - Method and circuit arrangement for demodulating a frequency-modulated AC telegraphy signal - Google Patents
Method and circuit arrangement for demodulating a frequency-modulated AC telegraphy signalInfo
- Publication number
- CH458432A CH458432A CH595667A CH595667A CH458432A CH 458432 A CH458432 A CH 458432A CH 595667 A CH595667 A CH 595667A CH 595667 A CH595667 A CH 595667A CH 458432 A CH458432 A CH 458432A
- Authority
- CH
- Switzerland
- Prior art keywords
- demodulating
- modulated
- frequency
- circuit arrangement
- telegraphy signal
- 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
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1966S0103528 DE1279782B (en) | 1966-04-29 | 1966-04-29 | Method for demodulating a frequency-modulated signal and circuit for carrying out the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH458432A true CH458432A (en) | 1968-06-30 |
Family
ID=7525254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH595667A CH458432A (en) | 1966-04-29 | 1967-04-26 | Method and circuit arrangement for demodulating a frequency-modulated AC telegraphy signal |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT273231B (en) |
| BE (1) | BE697763A (en) |
| CH (1) | CH458432A (en) |
| DE (1) | DE1279782B (en) |
| DK (1) | DK117783B (en) |
| GB (1) | GB1182508A (en) |
| NL (1) | NL6704986A (en) |
| SE (1) | SE319515B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044020A (en) * | 1959-07-07 | 1962-07-10 | Vector Mfg Co Inc | Frequency or phase shift demodulator |
| US3233181A (en) * | 1963-01-28 | 1966-02-01 | Ibm | Frequency shift signal demodulator |
-
1966
- 1966-04-29 DE DE1966S0103528 patent/DE1279782B/en active Pending
-
1967
- 1967-03-30 AT AT303967A patent/AT273231B/en active
- 1967-03-31 DK DK184667A patent/DK117783B/en unknown
- 1967-04-07 NL NL6704986A patent/NL6704986A/xx unknown
- 1967-04-26 CH CH595667A patent/CH458432A/en unknown
- 1967-04-28 SE SE607667A patent/SE319515B/xx unknown
- 1967-04-28 GB GB1959767A patent/GB1182508A/en not_active Expired
- 1967-04-28 BE BE697763D patent/BE697763A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6704986A (en) | 1967-10-30 |
| SE319515B (en) | 1970-01-19 |
| DK117783B (en) | 1970-06-01 |
| BE697763A (en) | 1967-10-30 |
| GB1182508A (en) | 1970-02-25 |
| AT273231B (en) | 1969-08-11 |
| DE1279782B (en) | 1968-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT274901B (en) | Method and circuit arrangement for the transmission of digital messages | |
| CH464284A (en) | Method and device for demodulating a synchronous frequency-modulated duobinary signal | |
| IT975092B (en) | PROCEDURE AND APPARATUS FOR SIMULTANEOUSLY SEPARATING AND DEMODULATING A MULTIPLEXIC SIGNAL IN FRE QUENCY | |
| CH544450A (en) | Method and arrangement for filtering electrical signals | |
| CH418457A (en) | Rectifier and demodulator circuit | |
| CH538230A (en) | Circuit arrangement for demodulating phase-difference-modulated carrier frequency signals | |
| AT295601B (en) | Circuit arrangement for demodulating an amplitude-modulated high-frequency signal | |
| CH395180A (en) | Method for reducing interference in two-tone frequency-modulated signals | |
| CH458432A (en) | Method and circuit arrangement for demodulating a frequency-modulated AC telegraphy signal | |
| CH534988A (en) | Method and circuit arrangement for demodulating phase-difference-modulated data signals | |
| AT267630B (en) | Circuit arrangement for demodulating a wave modulated in frequency with a video signal | |
| CH540622A (en) | Method and circuit arrangement for digital decoding of frequency-coded signals | |
| AT341585B (en) | CIRCUIT ARRANGEMENT FOR DIGITAL FREQUENCY MODULATION | |
| CH506220A (en) | Circuit arrangement for demodulating a television signal | |
| CH510355A (en) | Circuit arrangement for amplifying and rectifying an alternating current signal | |
| CH481528A (en) | Detector circuit for the demodulation of FM signals | |
| CH468754A (en) | Method and circuit arrangement for the secure transmission of coded message characters | |
| AT313980B (en) | Circuit arrangement for demodulating frequency-modulated signals | |
| AT249136B (en) | Arrangement for demodulating color television signals | |
| AT266920B (en) | Method for demodulating digital information signals | |
| CH471502A (en) | Method for demodulating an electrical signal obtained in an opto-electronic device | |
| FR1453549A (en) | Frequency modulated signal demodulator | |
| CH448576A (en) | Method and circuit for suppressing interference signals in an arrangement for the automatic recognition of characters | |
| AT280374B (en) | Device for demodulating a signal | |
| AT325684B (en) | CIRCUIT ARRANGEMENT FOR MONITORING THE RECEPTION LEVEL IN A DEVICE RECEIVING AUDIO-FREQUENCY AC VOLTAGE SIGNALS |