GB623220A - Frequency modulation signalling systems - Google Patents
Frequency modulation signalling systemsInfo
- Publication number
- GB623220A GB623220A GB998/47A GB99847A GB623220A GB 623220 A GB623220 A GB 623220A GB 998/47 A GB998/47 A GB 998/47A GB 99847 A GB99847 A GB 99847A GB 623220 A GB623220 A GB 623220A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- receiver
- signal
- modulator
- output
- 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
- 230000011664 signaling Effects 0.000 title 1
- 230000010355 oscillation Effects 0.000 abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US360882A US2323698A (en) | 1940-10-12 | 1940-10-12 | Frequency modulation signaling system |
Publications (1)
Publication Number | Publication Date |
---|---|
GB623220A true GB623220A (en) | 1949-05-13 |
Family
ID=23419778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB998/47A Expired GB623220A (en) | 1940-10-12 | 1947-01-11 | Frequency modulation signalling systems |
Country Status (4)
Country | Link |
---|---|
US (1) | US2323698A (enrdf_load_stackoverflow) |
BE (1) | BE472603A (enrdf_load_stackoverflow) |
FR (1) | FR946480A (enrdf_load_stackoverflow) |
GB (1) | GB623220A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE445078A (enrdf_load_stackoverflow) * | 1941-04-03 | |||
US2819017A (en) * | 1952-08-07 | 1958-01-07 | Allen B Du Moat Lab Inc | Reciprocal analog electrical circuit |
US3147437A (en) * | 1962-03-13 | 1964-09-01 | Robertshaw Controls Co | Single side band radio carrier retrieval system |
-
0
- BE BE472603D patent/BE472603A/xx unknown
-
1940
- 1940-10-12 US US360882A patent/US2323698A/en not_active Expired - Lifetime
-
1947
- 1947-01-11 GB GB998/47A patent/GB623220A/en not_active Expired
- 1947-05-09 FR FR946480D patent/FR946480A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR946480A (fr) | 1949-06-03 |
US2323698A (en) | 1943-07-06 |
BE472603A (enrdf_load_stackoverflow) |
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