GB147823A - Improvements in and relating to wireless signalling systems - Google Patents
Improvements in and relating to wireless signalling systemsInfo
- Publication number
- GB147823A GB147823A GB19868/20A GB1986820A GB147823A GB 147823 A GB147823 A GB 147823A GB 19868/20 A GB19868/20 A GB 19868/20A GB 1986820 A GB1986820 A GB 1986820A GB 147823 A GB147823 A GB 147823A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oscillations
- thermionic
- telephone
- generator
- detected
- 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 4
- 238000000034 method Methods 0.000 abstract 2
- 230000035559 beat frequency Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US147823XA | 1913-12-29 | 1913-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB147823A true GB147823A (en) | 1921-10-10 |
Family
ID=21767714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19868/20A Expired GB147823A (en) | 1913-12-29 | 1920-07-09 | Improvements in and relating to wireless signalling systems |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE302894C (enrdf_load_stackoverflow) |
FR (2) | FR507197A (enrdf_load_stackoverflow) |
GB (1) | GB147823A (enrdf_load_stackoverflow) |
NL (1) | NL9133C (enrdf_load_stackoverflow) |
-
1914
- 1914-12-30 DE DE1914302894D patent/DE302894C/de not_active Expired
-
1919
- 1919-08-08 NL NL12681A patent/NL9133C/xx active
- 1919-12-09 FR FR507197A patent/FR507197A/fr not_active Expired
- 1919-12-23 FR FR507652A patent/FR507652A/fr not_active Expired
-
1920
- 1920-07-09 GB GB19868/20A patent/GB147823A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR507652A (fr) | 1920-09-21 |
FR507197A (fr) | 1920-09-07 |
NL9133C (enrdf_load_stackoverflow) | 1923-06-15 |
DE302894C (enrdf_load_stackoverflow) | 1918-01-08 |
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