FR1568442A - - Google Patents
Info
- Publication number
- FR1568442A FR1568442A FR1568442DA FR1568442A FR 1568442 A FR1568442 A FR 1568442A FR 1568442D A FR1568442D A FR 1568442DA FR 1568442 A FR1568442 A FR 1568442A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- 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)
- Power Engineering (AREA)
- Manipulation Of Pulses (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63320567A | 1967-04-24 | 1967-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1568442A true FR1568442A (fr) | 1969-05-23 |
Family
ID=24538676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1568442D Expired FR1568442A (fr) | 1967-04-24 | 1968-04-24 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3506924A (fr) |
DE (1) | DE1762149B2 (fr) |
FR (1) | FR1568442A (fr) |
GB (1) | GB1201216A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2162384A1 (fr) * | 1971-12-07 | 1973-07-20 | Gen Datacomm Ind Inc |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3660601A (en) * | 1970-06-10 | 1972-05-02 | Ibm | Frequency detection system |
CA1137632A (fr) * | 1980-09-25 | 1982-12-14 | Claude J.J. Champagne | Demodulateur de signaux modules par impulsions et codage initialement modules par deplacement de frequence |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3412205A (en) * | 1965-08-30 | 1968-11-19 | Xerox Corp | Frequency discriminator |
-
1967
- 1967-04-24 US US633205A patent/US3506924A/en not_active Expired - Lifetime
-
1968
- 1968-02-16 GB GB7815/68A patent/GB1201216A/en not_active Expired
- 1968-04-20 DE DE19681762149 patent/DE1762149B2/de active Pending
- 1968-04-24 FR FR1568442D patent/FR1568442A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2162384A1 (fr) * | 1971-12-07 | 1973-07-20 | Gen Datacomm Ind Inc |
Also Published As
Publication number | Publication date |
---|---|
US3506924A (en) | 1970-04-14 |
GB1201216A (en) | 1970-08-05 |
DE1762149A1 (de) | 1970-04-30 |
DE1762149B2 (de) | 1971-01-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |