GB504830A - Improvements relating to electric filters - Google Patents
Improvements relating to electric filtersInfo
- Publication number
- GB504830A GB504830A GB26424/37A GB2642437A GB504830A GB 504830 A GB504830 A GB 504830A GB 26424/37 A GB26424/37 A GB 26424/37A GB 2642437 A GB2642437 A GB 2642437A GB 504830 A GB504830 A GB 504830A
- Authority
- GB
- United Kingdom
- Prior art keywords
- impedance
- filter
- coth
- filters
- series
- 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
- 230000000295 complement effect Effects 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1783—Combined LC in series path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA80622D DE683813C (de) | 1936-09-29 | 1936-09-29 | Elektrische Weiche in Partialbruchschaltung mit konstantem Eingangswiderstand |
DE214268X | 1936-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB504830A true GB504830A (en) | 1939-05-01 |
Family
ID=25761651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB26424/37A Expired GB504830A (en) | 1936-09-29 | 1937-09-29 | Improvements relating to electric filters |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE423836A (enrdf_load_stackoverflow) |
CH (1) | CH214268A (enrdf_load_stackoverflow) |
DE (1) | DE683813C (enrdf_load_stackoverflow) |
FR (1) | FR827134A (enrdf_load_stackoverflow) |
GB (1) | GB504830A (enrdf_load_stackoverflow) |
NL (2) | NL57207C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2874356A (en) * | 1948-06-28 | 1959-02-17 | Phillips Petroleum Co | Method of and apparatus for seismic prospecting |
-
0
- NL NL54415D patent/NL54415C/xx active
- NL NL57207D patent/NL57207C/xx active
- BE BE423836D patent/BE423836A/xx unknown
-
1936
- 1936-09-29 DE DEA80622D patent/DE683813C/de not_active Expired
-
1937
- 1937-09-04 CH CH214268D patent/CH214268A/de unknown
- 1937-09-25 FR FR827134D patent/FR827134A/fr not_active Expired
- 1937-09-29 GB GB26424/37A patent/GB504830A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2874356A (en) * | 1948-06-28 | 1959-02-17 | Phillips Petroleum Co | Method of and apparatus for seismic prospecting |
Also Published As
Publication number | Publication date |
---|---|
DE683813C (de) | 1939-11-16 |
BE423836A (enrdf_load_stackoverflow) | |
NL57207C (enrdf_load_stackoverflow) | |
NL54415C (enrdf_load_stackoverflow) | |
FR827134A (fr) | 1938-04-20 |
CH214268A (de) | 1941-04-15 |
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