IE45444B1 - Improvements in or relating to frequency-modulated data communications receivers - Google Patents
Improvements in or relating to frequency-modulated data communications receiversInfo
- Publication number
- IE45444B1 IE45444B1 IE1324/77A IE132477A IE45444B1 IE 45444 B1 IE45444 B1 IE 45444B1 IE 1324/77 A IE1324/77 A IE 1324/77A IE 132477 A IE132477 A IE 132477A IE 45444 B1 IE45444 B1 IE 45444B1
- Authority
- IE
- Ireland
- Prior art keywords
- signal
- output
- switch
- circuit
- receiver
- 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)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2628997A DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE2714439A DE2714439C3 (de) | 1977-03-31 | 1977-03-31 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE19772721526 DE2721526C3 (de) | 1977-05-12 | 1977-05-12 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE45444L IE45444L (en) | 1977-12-28 |
| IE45444B1 true IE45444B1 (en) | 1982-08-25 |
Family
ID=27186896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1324/77A IE45444B1 (en) | 1976-06-28 | 1977-06-28 | Improvements in or relating to frequency-modulated data communications receivers |
Country Status (13)
| Country | Link |
|---|---|
| AT (1) | AT358631B (enExample) |
| CH (1) | CH619087A5 (enExample) |
| DK (1) | DK281077A (enExample) |
| ES (1) | ES460184A1 (enExample) |
| FI (1) | FI771996A7 (enExample) |
| FR (1) | FR2357115A1 (enExample) |
| GB (1) | GB1584641A (enExample) |
| IE (1) | IE45444B1 (enExample) |
| IT (1) | IT1086275B (enExample) |
| LU (1) | LU77628A1 (enExample) |
| NL (1) | NL178115C (enExample) |
| NO (1) | NO772272L (enExample) |
| SE (1) | SE417047B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2905471B1 (de) * | 1979-02-13 | 1980-02-21 | Siemens Ag | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778727A (en) * | 1972-05-11 | 1973-12-11 | Singer Co | Crystal controlled frequency discriminator |
-
1977
- 1977-06-24 CH CH774377A patent/CH619087A5/de not_active IP Right Cessation
- 1977-06-24 DK DK281077A patent/DK281077A/da unknown
- 1977-06-27 NL NLAANVRAGE7707119,A patent/NL178115C/xx not_active IP Right Cessation
- 1977-06-27 FI FI771996A patent/FI771996A7/fi not_active Application Discontinuation
- 1977-06-27 SE SE7707400A patent/SE417047B/xx unknown
- 1977-06-27 LU LU77628A patent/LU77628A1/de unknown
- 1977-06-27 FR FR7719609A patent/FR2357115A1/fr active Granted
- 1977-06-27 NO NO772272A patent/NO772272L/no unknown
- 1977-06-27 AT AT452177A patent/AT358631B/de not_active IP Right Cessation
- 1977-06-28 IE IE1324/77A patent/IE45444B1/en unknown
- 1977-06-28 GB GB20851/77A patent/GB1584641A/en not_active Expired
- 1977-06-28 ES ES460184A patent/ES460184A1/es not_active Expired
- 1977-06-28 IT IT25123/77A patent/IT1086275B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2357115B1 (enExample) | 1982-01-08 |
| LU77628A1 (de) | 1979-03-26 |
| SE417047B (sv) | 1981-02-16 |
| NO772272L (no) | 1977-12-29 |
| IT1086275B (it) | 1985-05-28 |
| NL178115C (nl) | 1986-01-16 |
| CH619087A5 (en) | 1980-08-29 |
| AT358631B (de) | 1980-09-25 |
| SE7707400L (sv) | 1977-12-29 |
| ATA452177A (de) | 1980-02-15 |
| FI771996A7 (enExample) | 1977-12-29 |
| NL7707119A (nl) | 1977-12-30 |
| GB1584641A (en) | 1981-02-18 |
| FR2357115A1 (fr) | 1978-01-27 |
| DK281077A (da) | 1977-12-29 |
| IE45444L (en) | 1977-12-28 |
| ES460184A1 (es) | 1978-12-01 |
| NL178115B (nl) | 1985-08-16 |
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