CH487546A - Filter circuit - Google Patents
Filter circuitInfo
- Publication number
- CH487546A CH487546A CH1383868A CH1383868A CH487546A CH 487546 A CH487546 A CH 487546A CH 1383868 A CH1383868 A CH 1383868A CH 1383868 A CH1383868 A CH 1383868A CH 487546 A CH487546 A CH 487546A
- Authority
- CH
- Switzerland
- Prior art keywords
- filter circuit
- filter
- circuit
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0829—Keg connection means
- B67D1/0831—Keg connection means combined with valves
- B67D1/0832—Keg connection means combined with valves with two valves disposed concentrically
-
- 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
- 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
- H03H7/075—Ladder networks, e.g. electric wave filters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Filters And Equalizers (AREA)
- Facsimile Image Signal Circuits (AREA)
- Networks Using Active Elements (AREA)
- Image Processing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE12865/67A SE302017B (en) | 1967-09-19 | 1967-09-19 | |
| BE47439 | 1967-11-28 | ||
| BE48056 | 1968-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH487546A true CH487546A (en) | 1970-03-15 |
Family
ID=27158437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1383868A CH487546A (en) | 1967-09-19 | 1968-09-16 | Filter circuit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3559114A (en) |
| CH (1) | CH487546A (en) |
| DE (1) | DE1791037A1 (en) |
| FR (2) | FR1581335A (en) |
| GB (1) | GB1176434A (en) |
| NL (1) | NL6813138A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52104840A (en) * | 1976-03-01 | 1977-09-02 | Hitachi Ltd | Variable equalizer |
| JPS6177409A (en) * | 1984-09-21 | 1986-04-21 | Sharp Corp | noise filter |
| US8751055B2 (en) * | 2009-12-10 | 2014-06-10 | Panasonic Corporation | Distributed power supply system |
-
1968
- 1968-09-02 DE DE19681791037 patent/DE1791037A1/en active Pending
- 1968-09-03 US US757058A patent/US3559114A/en not_active Expired - Lifetime
- 1968-09-12 FR FR1581335D patent/FR1581335A/fr not_active Expired
- 1968-09-13 NL NL6813138A patent/NL6813138A/xx unknown
- 1968-09-13 FR FR1581355D patent/FR1581355A/fr not_active Expired
- 1968-09-16 CH CH1383868A patent/CH487546A/en not_active IP Right Cessation
- 1968-09-16 GB GB43995/68A patent/GB1176434A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1581335A (en) | 1969-09-12 |
| GB1176434A (en) | 1970-01-01 |
| NL6813138A (en) | 1969-03-21 |
| US3559114A (en) | 1971-01-26 |
| FR1581355A (en) | 1969-09-12 |
| DE1791037A1 (en) | 1971-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |