BE708440A - - Google Patents
Info
- Publication number
- BE708440A BE708440A BE708440DA BE708440A BE 708440 A BE708440 A BE 708440A BE 708440D A BE708440D A BE 708440DA BE 708440 A BE708440 A BE 708440A
- Authority
- BE
- Belgium
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
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
-
- 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)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Telephone Function (AREA)
- Sorting Of Articles (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60779467A | 1967-01-06 | 1967-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708440A true BE708440A (fr) | 1968-05-02 |
Family
ID=24433728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708440D BE708440A (fr) | 1967-01-06 | 1967-12-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3493934A (fr) |
| BE (1) | BE708440A (fr) |
| CH (1) | CH469409A (fr) |
| DE (1) | DE1591229B1 (fr) |
| ES (1) | ES348968A1 (fr) |
| FR (1) | FR1549841A (fr) |
| GB (1) | GB1142426A (fr) |
| NL (1) | NL156004B (fr) |
| SE (1) | SE336001B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858117A (en) * | 1973-01-29 | 1974-12-31 | Adar Inc | Radio teletype detector circuit |
| GB1505828A (en) * | 1974-04-04 | 1978-03-30 | Nat Res Dev | Calling aids |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1154838B (de) * | 1961-05-05 | 1963-09-26 | Standard Elektrik Lorenz Ag | Verfahren zum Empfang von tonfrequenten Codezeichen |
| US3341815A (en) * | 1962-12-31 | 1967-09-12 | Bunker Ramo | Frequency responsive receiving system with noise prevention |
-
1967
- 1967-01-06 US US607794A patent/US3493934A/en not_active Expired - Lifetime
- 1967-10-05 GB GB45429/67A patent/GB1142426A/en not_active Expired
- 1967-12-15 DE DE19671591229 patent/DE1591229B1/de not_active Withdrawn
- 1967-12-19 FR FR1549841D patent/FR1549841A/fr not_active Expired
- 1967-12-22 BE BE708440D patent/BE708440A/xx unknown
- 1967-12-27 SE SE17870/67A patent/SE336001B/xx unknown
- 1967-12-28 NL NL6717776.A patent/NL156004B/xx unknown
-
1968
- 1968-01-04 CH CH9968A patent/CH469409A/de unknown
- 1968-01-05 ES ES348968A patent/ES348968A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6717776A (fr) | 1968-07-08 |
| SE336001B (fr) | 1971-06-21 |
| DE1591229B1 (de) | 1971-02-25 |
| FR1549841A (fr) | 1968-12-13 |
| GB1142426A (en) | 1969-02-05 |
| NL156004B (nl) | 1978-02-15 |
| US3493934A (en) | 1970-02-03 |
| CH469409A (de) | 1969-02-28 |
| ES348968A1 (es) | 1969-03-16 |