FR816043A - Variable frequency and variable attenuation network - Google Patents
Variable frequency and variable attenuation networkInfo
- Publication number
- FR816043A FR816043A FR816043DA FR816043A FR 816043 A FR816043 A FR 816043A FR 816043D A FR816043D A FR 816043DA FR 816043 A FR816043 A FR 816043A
- Authority
- FR
- France
- Prior art keywords
- variable
- attenuation network
- frequency
- variable frequency
- variable attenuation
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE466092X | 1936-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR816043A true FR816043A (en) | 1937-07-28 |
Family
ID=6540497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR816043D Expired FR816043A (en) | 1936-01-08 | 1937-01-07 | Variable frequency and variable attenuation network |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR816043A (en) |
GB (1) | GB466092A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857403C (en) * | 1937-08-10 | 1952-11-27 | Siemens Ag | Network with changeable frequency dependency and attenuation |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540560A (en) * | 1947-04-11 | 1951-02-06 | Hazeltine Research Inc | Pulse signal time delay arrangement |
FR980123A (en) * | 1948-12-10 | 1951-05-08 | Materiel Telephonique | Section subdivider electrical delay line |
US8341689B2 (en) | 2005-09-07 | 2012-12-25 | Intersil Americas Inc. | Automatic frequency compensation of video signals transmitted across cables |
US8390740B2 (en) | 2008-11-03 | 2013-03-05 | Intersil Americas Inc. | Systems and methods for cable equalization |
EP2182647B1 (en) * | 2008-11-03 | 2016-08-24 | Intersil Americas LLC | Systems and methods for cable equalization |
US8558955B2 (en) | 2008-11-03 | 2013-10-15 | Intersil Americas Inc. | Cable equalization locking |
US8576966B2 (en) | 2010-02-01 | 2013-11-05 | Techwell, Inc. | Systems and methods for detecting tampering with video transmission systems |
US8767856B2 (en) | 2011-09-09 | 2014-07-01 | Intersil Americas LLC | Frame structure for a QAM system |
US8872978B2 (en) | 2011-06-09 | 2014-10-28 | Intersil Americas LLC | Cable equalization and monitoring for degradation and potential tampering |
-
1937
- 1937-01-07 FR FR816043D patent/FR816043A/en not_active Expired
- 1937-01-07 GB GB520/37A patent/GB466092A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857403C (en) * | 1937-08-10 | 1952-11-27 | Siemens Ag | Network with changeable frequency dependency and attenuation |
Also Published As
Publication number | Publication date |
---|---|
GB466092A (en) | 1937-05-21 |
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