GB387182A - Improvements in or relating to modulating arrangements for telephonic transmitters - Google Patents
Improvements in or relating to modulating arrangements for telephonic transmittersInfo
- Publication number
- GB387182A GB387182A GB11664/32A GB1166432A GB387182A GB 387182 A GB387182 A GB 387182A GB 11664/32 A GB11664/32 A GB 11664/32A GB 1166432 A GB1166432 A GB 1166432A GB 387182 A GB387182 A GB 387182A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- carrier
- modulating
- valve
- voltage
- 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
- 230000001419 dependent effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/62—Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present
-
- 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
- H04B14/004—Amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE387182X | 1931-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB387182A true GB387182A (en) | 1933-02-02 |
Family
ID=6371083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11664/32A Expired GB387182A (en) | 1931-05-02 | 1932-04-22 | Improvements in or relating to modulating arrangements for telephonic transmitters |
Country Status (4)
Country | Link |
---|---|
US (2) | US1999143A (enrdf_load_stackoverflow) |
FR (1) | FR735984A (enrdf_load_stackoverflow) |
GB (1) | GB387182A (enrdf_load_stackoverflow) |
NL (1) | NL39766C (enrdf_load_stackoverflow) |
-
0
- NL NL39766D patent/NL39766C/xx active
- US US20691D patent/USRE20691E/en not_active Expired
-
1932
- 1932-04-22 GB GB11664/32A patent/GB387182A/en not_active Expired
- 1932-04-26 FR FR735984D patent/FR735984A/fr not_active Expired
- 1932-05-02 US US608609A patent/US1999143A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1999143A (en) | 1935-04-23 |
FR735984A (fr) | 1932-11-17 |
NL39766C (enrdf_load_stackoverflow) | |
USRE20691E (en) | 1938-04-05 |
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