FR946250A - Frequency recording systems for radio communications - Google Patents
Frequency recording systems for radio communicationsInfo
- Publication number
- FR946250A FR946250A FR946250DA FR946250A FR 946250 A FR946250 A FR 946250A FR 946250D A FR946250D A FR 946250DA FR 946250 A FR946250 A FR 946250A
- Authority
- FR
- France
- Prior art keywords
- radio communications
- recording systems
- frequency recording
- frequency
- systems
- Prior art date
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
-
- 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
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US946250XA | 1946-05-04 | 1946-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR946250A true FR946250A (en) | 1949-05-27 |
Family
ID=22246220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR946250D Expired FR946250A (en) | 1946-05-04 | 1947-05-05 | Frequency recording systems for radio communications |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE474056A (en) |
FR (1) | FR946250A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2986731A (en) * | 1955-06-16 | 1961-05-30 | Gregory J Harmon | Pulse radar system |
-
0
- BE BE474056D patent/BE474056A/xx unknown
-
1947
- 1947-05-05 FR FR946250D patent/FR946250A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2986731A (en) * | 1955-06-16 | 1961-05-30 | Gregory J Harmon | Pulse radar system |
Also Published As
Publication number | Publication date |
---|---|
BE474056A (en) |
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