SE365688B - - Google Patents
Info
- Publication number
- SE365688B SE365688B SE12835/69A SE1283569A SE365688B SE 365688 B SE365688 B SE 365688B SE 12835/69 A SE12835/69 A SE 12835/69A SE 1283569 A SE1283569 A SE 1283569A SE 365688 B SE365688 B SE 365688B
- Authority
- SE
- Sweden
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
-
- 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
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manipulation Of Pulses (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76075568A | 1968-09-19 | 1968-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE365688B true SE365688B (xx) | 1974-03-25 |
Family
ID=25060087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12835/69A SE365688B (xx) | 1968-09-19 | 1969-09-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3543172A (xx) |
| DE (1) | DE1947638A1 (xx) |
| FR (1) | FR2018413A1 (xx) |
| GB (1) | GB1288238A (xx) |
| SE (1) | SE365688B (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3647967A (en) * | 1969-07-10 | 1972-03-07 | Trt Telecom Radio Electr | Telegraphy receiver for harmonic telegraphy |
| FR2064258A6 (xx) * | 1969-09-22 | 1971-07-23 | Lignes Telegraph Telephon | |
| US3689844A (en) * | 1969-12-11 | 1972-09-05 | Bell Telephone Labor Inc | Digital filter receiver for frequency-shift data signals |
| US3995223A (en) * | 1970-02-19 | 1976-11-30 | The United States Of America As Represented By The Secretary Of The Navy | Seismic-acoustic detection device |
| US3670250A (en) * | 1970-05-26 | 1972-06-13 | Tel Tech Corp | Fm system for receiving binary information |
| US3737895A (en) * | 1971-08-02 | 1973-06-05 | Edmac Ass Inc | Bi-phase data recorder |
| US3715496A (en) * | 1971-10-21 | 1973-02-06 | Ibm | Digital band-pass filter for a single circuit full duplex transmission system |
| US3737789A (en) * | 1971-12-21 | 1973-06-05 | Atomic Energy Commission | Count rate discriminator |
| US3790720A (en) * | 1972-10-27 | 1974-02-05 | Northern Electric Co | Digital decoder for multiple frequency telephone signalling |
| US3879665A (en) * | 1973-06-28 | 1975-04-22 | Motorola Inc | Digital frequency-shift keying receiver |
| US3845399A (en) * | 1973-08-30 | 1974-10-29 | Sperry Rand Corp | Digital detector of an analog signal |
| US4047114A (en) * | 1976-08-06 | 1977-09-06 | The United States Of America As Represented By The Secretary Of The Army | Digital detector |
| US4215280A (en) * | 1978-09-01 | 1980-07-29 | Joseph Mahig | Phase responsive frequency detector |
| US5483193A (en) * | 1995-03-24 | 1996-01-09 | Ford Motor Company | Circuit for demodulating FSK signals |
| WO1997045963A2 (en) * | 1996-05-28 | 1997-12-04 | Philips Electronics N.V. | A receiver, a demodulator, and a demodulation method |
| CN1765052B (zh) * | 2004-02-16 | 2010-05-05 | 日本电信电话株式会社 | 基于低比特速率信号的比特速率判定电路 |
| EP2550741B1 (en) * | 2010-03-24 | 2015-01-14 | Greenpeak Technologies B.V. | Transceiver comprising sub-sampled frequency-locked loop |
| US10374618B1 (en) | 2018-03-29 | 2019-08-06 | Qorvo Us, Inc. | Frequency locked loop with multi-bit sampler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092736A (en) * | 1960-03-30 | 1963-06-04 | Lignes Telegraph Telephon | Plural signal frequency detector able to continuously distinguish whether frequency difference is positive or negative |
| US3230457A (en) * | 1961-09-25 | 1966-01-18 | Bell Telephone Labor Inc | Digital demodulator for frequencyshift keyed signals |
-
1968
- 1968-09-19 US US760755A patent/US3543172A/en not_active Expired - Lifetime
-
1969
- 1969-09-18 SE SE12835/69A patent/SE365688B/xx unknown
- 1969-09-18 FR FR6931727A patent/FR2018413A1/fr not_active Withdrawn
- 1969-09-19 GB GB4637269A patent/GB1288238A/en not_active Expired
- 1969-09-19 DE DE19691947638 patent/DE1947638A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1288238A (xx) | 1972-09-06 |
| US3543172A (en) | 1970-11-24 |
| DE1947638A1 (de) | 1970-03-26 |
| FR2018413A1 (xx) | 1970-05-29 |