GB497086A - Multiple carrier-current system for the electrical transmission of intelligence - Google Patents
Multiple carrier-current system for the electrical transmission of intelligenceInfo
- Publication number
- GB497086A GB497086A GB6979/37A GB697937A GB497086A GB 497086 A GB497086 A GB 497086A GB 6979/37 A GB6979/37 A GB 6979/37A GB 697937 A GB697937 A GB 697937A GB 497086 A GB497086 A GB 497086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- frequencies
- modulators
- carrier
- derived
- 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
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 239000000969 carrier Substances 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 1
- 230000003534 oscillatory effect Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/045—Filters applied to frequency transposition
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- 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 |
---|---|---|---|
DE497086X | 1936-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB497086A true GB497086A (en) | 1938-12-05 |
Family
ID=6545125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6979/37A Expired GB497086A (en) | 1936-03-09 | 1937-03-09 | Multiple carrier-current system for the electrical transmission of intelligence |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE420452A (enrdf_load_stackoverflow) |
FR (1) | FR818788A (enrdf_load_stackoverflow) |
GB (1) | GB497086A (enrdf_load_stackoverflow) |
-
1937
- 1937-03-06 FR FR818788D patent/FR818788A/fr not_active Expired
- 1937-03-09 BE BE420452D patent/BE420452A/xx unknown
- 1937-03-09 GB GB6979/37A patent/GB497086A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE420452A (enrdf_load_stackoverflow) | 1937-04-30 |
FR818788A (fr) | 1937-10-04 |
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