FR998946A - Improvements to demodulation setups - Google Patents
Improvements to demodulation setupsInfo
- Publication number
- FR998946A FR998946A FR998946DA FR998946A FR 998946 A FR998946 A FR 998946A FR 998946D A FR998946D A FR 998946DA FR 998946 A FR998946 A FR 998946A
- Authority
- FR
- France
- Prior art keywords
- setups
- demodulation
- demodulation setups
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3033048A GB663874A (en) | 1948-11-22 | 1948-11-22 | Improvements in or relating to demodulating circuit arrangements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR998946A true FR998946A (en) | 1952-01-24 |
Family
ID=10305927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR998946D Expired FR998946A (en) | 1948-11-22 | 1949-11-05 | Improvements to demodulation setups |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR998946A (en) |
GB (1) | GB663874A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1000475B (en) * | 1952-09-26 | 1957-01-10 | Siemens Ag | Arrangement for converting phase-modulated pulses into length-modulated pulses in time-division multiplex communication systems with a variable number of channels |
-
1948
- 1948-11-22 GB GB3033048A patent/GB663874A/en not_active Expired
-
1949
- 1949-11-05 FR FR998946D patent/FR998946A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB663874A (en) | 1951-12-27 |
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