DK142890C - - Google Patents
Info
- Publication number
- DK142890C DK142890C DK395970A DK395970A DK142890C DK 142890 C DK142890 C DK 142890C DK 395970 A DK395970 A DK 395970A DK 395970 A DK395970 A DK 395970A DK 142890 C DK142890 C DK 142890C
- Authority
- DK
- Denmark
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
- H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1939067 | 1969-07-31 | ||
| DE1939067*A DE1939067C2 (de) | 1969-07-31 | 1969-07-31 | Schaltungsanordnung zur Kompensation der bei der Demodulation von frequenzumgetasteten binären Datenzeichen auftretenden Gleichspannungsstörkomponente |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK142890B DK142890B (da) | 1981-02-16 |
| DK142890C true DK142890C (xx) | 1981-09-28 |
Family
ID=5741550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK395970AA DK142890B (da) | 1969-07-31 | 1970-07-30 | Kobling til kompensation af de ved demodulation af frekvensomtastede binære datategn optrædende jævnspændingsforstyrrelseskomponsanter. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3688205A (xx) |
| BE (1) | BE754157A (xx) |
| DE (1) | DE1939067C2 (xx) |
| DK (1) | DK142890B (xx) |
| FR (1) | FR2060578A5 (xx) |
| GB (1) | GB1275248A (xx) |
| LU (1) | LU61441A1 (xx) |
| NL (1) | NL167073C (xx) |
| SE (1) | SE353201B (xx) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1520810A (en) * | 1975-12-18 | 1978-08-09 | Gen Electric Co Ltd | Regenerative repeaters for digital transmission systems |
| DE2852374C2 (de) * | 1978-12-04 | 1980-10-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur frequenzmodulierten Übertragung eines Binärsignals |
| DE2854833C2 (de) * | 1978-12-19 | 1980-09-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Korrigieren von Schrittverzerningen bei einer Übertragung von Daten |
| US4250458A (en) * | 1979-05-31 | 1981-02-10 | Digital Communications Corporation | Baseband DC offset detector and control circuit for DC coupled digital demodulator |
| NL8000883A (nl) * | 1980-02-13 | 1981-09-16 | Philips Nv | Coherente ontvanger voor hoekgemoduleerde data signalen. |
| JPS5737907A (en) * | 1980-08-14 | 1982-03-02 | Toshiba Corp | Fm wave detector |
| CA1175490A (en) * | 1982-03-12 | 1984-10-02 | Ralph T. Carsten | Frequency shift keying demodulators |
| EP0135057B1 (en) * | 1983-07-22 | 1987-11-11 | Nec Corporation | Demodulator for multilevel amplitude modulation system |
| GB8323966D0 (en) * | 1983-09-07 | 1983-10-12 | British Telecomm | Frequency control for point-to-multipoint radio |
| US4802236A (en) * | 1986-12-30 | 1989-01-31 | Motorola, Inc. | Instantaneous deviation limiter with pre-emphasis and zero average value |
| JPS6468161A (en) * | 1987-09-09 | 1989-03-14 | Man Design Co | Fsk demodulator |
| JPS6468162A (en) * | 1987-09-09 | 1989-03-14 | Man Design Co | Fsk demodulator |
| JP2707461B2 (ja) * | 1989-02-16 | 1998-01-28 | 東光株式会社 | 波形整形回路 |
| US5052021A (en) * | 1989-05-19 | 1991-09-24 | Kabushiki Kaisha Toshiba | Digital signal decoding circuit and decoding method |
| US5146476A (en) * | 1990-12-03 | 1992-09-08 | Reliance Comm/Tec Corporation | High gain amplifier for reception of low level pulse code modulation nonreturn-to-zero signals |
| US5295161A (en) * | 1991-05-10 | 1994-03-15 | International Business Machines Corporation | Fiber optic amplifier with active elements feedback circuit |
| JP2503837B2 (ja) * | 1992-07-16 | 1996-06-05 | 日本電気株式会社 | ディジタル光受信回路とディジタル光受信回路におけるプリアンプ回路 |
| US6724247B2 (en) | 2001-09-13 | 2004-04-20 | Telefonaktiebolaget Lm Ericsson (Publ) | FM demodulator having DC offset compensation |
| US20120287952A1 (en) * | 2011-05-10 | 2012-11-15 | Honeywell International Inc. | Apparatus and methods for high voltage amplification with low noise |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1063641A (en) * | 1964-06-01 | 1967-03-30 | Thorn Electronics Ltd | Improvements in frequency discriminators |
| US3427560A (en) * | 1965-06-09 | 1969-02-11 | Bendix Corp | Direct current amplifier |
| US3525946A (en) * | 1968-06-19 | 1970-08-25 | Westel Co | Single delay line demodulator system for angle modulated signal |
-
0
- BE BE754157D patent/BE754157A/xx unknown
-
1969
- 1969-07-31 DE DE1939067*A patent/DE1939067C2/de not_active Expired
-
1970
- 1970-07-21 NL NL7010792.A patent/NL167073C/xx not_active IP Right Cessation
- 1970-07-29 LU LU61441D patent/LU61441A1/xx unknown
- 1970-07-29 FR FR7028010A patent/FR2060578A5/fr not_active Expired
- 1970-07-30 DK DK395970AA patent/DK142890B/da unknown
- 1970-07-30 US US59545A patent/US3688205A/en not_active Expired - Lifetime
- 1970-07-30 SE SE10473/70A patent/SE353201B/xx unknown
- 1970-07-30 GB GB36895/70A patent/GB1275248A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1939067C2 (de) | 1974-01-10 |
| NL7010792A (xx) | 1971-02-02 |
| DK142890B (da) | 1981-02-16 |
| DE1939067B1 (de) | 1970-10-29 |
| FR2060578A5 (xx) | 1971-06-18 |
| LU61441A1 (xx) | 1971-07-13 |
| GB1275248A (en) | 1972-05-24 |
| BE754157A (fr) | 1971-02-01 |
| US3688205A (en) | 1972-08-29 |
| NL167073B (nl) | 1981-05-15 |
| NL167073C (nl) | 1981-10-15 |
| SE353201B (xx) | 1973-01-22 |