FR958270A - - Google Patents
Info
- Publication number
- FR958270A FR958270A FR958270DA FR958270A FR 958270 A FR958270 A FR 958270A FR 958270D A FR958270D A FR 958270DA FR 958270 A FR958270 A FR 958270A
- 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
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2541128X | 1947-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR958270A true FR958270A (fr) | 1950-03-06 |
Family
ID=9686301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR958270D Expired FR958270A (fr) | 1947-11-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2541128A (fr) |
| FR (1) | FR958270A (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2644035A (en) * | 1950-05-11 | 1953-06-30 | Rca Corp | Automatic frequency control |
| US2668871A (en) * | 1951-05-25 | 1954-02-09 | Int Standard Electric Corp | Device for automatic frequency control, more particularly for the reception of carrier shift signals |
| BE514711A (fr) * | 1951-10-11 | |||
| DE944021C (de) * | 1953-06-29 | 1956-08-16 | Philips Nv | UEberlagerungsempfaenger fuer Frequenzverschiebungstelegraphie mit selbsttaetiger Frequenzkorrektion |
| BE548373A (fr) * | 1955-06-10 | |||
| US2929876A (en) * | 1955-06-10 | 1960-03-22 | Metallotecnica Soc | Automatic frequency control device of very high stability and highly sensitive for radio receivers |
| US5208835A (en) * | 1990-09-24 | 1993-05-04 | In-Situ, Inc. | Automatic frequency control system and method for frequency-shift-key data transmission systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2147509A (en) * | 1937-03-01 | 1939-02-14 | Hazeltine Corp | Automatic frequency control circuits |
| US2393400A (en) * | 1942-11-30 | 1946-01-22 | Transradio Internac Compania A | Frequency yariation response circuit |
-
0
- FR FR958270D patent/FR958270A/fr not_active Expired
-
1948
- 1948-11-18 US US60681A patent/US2541128A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2541128A (en) | 1951-02-13 |