FR2155273A5 - - Google Patents
Info
- Publication number
- FR2155273A5 FR2155273A5 FR7232241A FR7232241A FR2155273A5 FR 2155273 A5 FR2155273 A5 FR 2155273A5 FR 7232241 A FR7232241 A FR 7232241A FR 7232241 A FR7232241 A FR 7232241A FR 2155273 A5 FR2155273 A5 FR 2155273A5
- Authority
- FR
- France
- 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
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
-
- 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
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2146513 | 1971-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2155273A5 true FR2155273A5 (en) | 1973-05-18 |
Family
ID=5819849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7232241A Expired FR2155273A5 (en) | 1971-09-17 | 1972-09-12 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE788416A (en) |
| CH (1) | CH542551A (en) |
| FR (1) | FR2155273A5 (en) |
| IT (1) | IT967375B (en) |
| NL (1) | NL7211259A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0059268A1 (en) * | 1981-02-25 | 1982-09-08 | Blaupunkt-Werke GmbH | Tuner for television receivers |
-
0
- BE BE788416D patent/BE788416A/en unknown
-
1972
- 1972-08-17 NL NL7211259A patent/NL7211259A/xx unknown
- 1972-09-04 CH CH1297072A patent/CH542551A/en not_active IP Right Cessation
- 1972-09-12 FR FR7232241A patent/FR2155273A5/fr not_active Expired
- 1972-09-12 IT IT2908772A patent/IT967375B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0059268A1 (en) * | 1981-02-25 | 1982-09-08 | Blaupunkt-Werke GmbH | Tuner for television receivers |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7211259A (en) | 1973-03-20 |
| IT967375B (en) | 1974-02-28 |
| BE788416A (en) | 1973-01-02 |
| CH542551A (en) | 1973-09-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |