FR2321803A1 - UHF TUNING BLOCK - Google Patents
UHF TUNING BLOCKInfo
- Publication number
- FR2321803A1 FR2321803A1 FR7625047A FR7625047A FR2321803A1 FR 2321803 A1 FR2321803 A1 FR 2321803A1 FR 7625047 A FR7625047 A FR 7625047A FR 7625047 A FR7625047 A FR 7625047A FR 2321803 A1 FR2321803 A1 FR 2321803A1
- Authority
- FR
- France
- Prior art keywords
- tuning block
- uhf tuning
- uhf
- block
- tuning
- 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.)
- Granted
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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10079175A JPS5231601A (en) | 1975-08-19 | 1975-08-19 | Ultrahigh frequency tuner |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2321803A1 true FR2321803A1 (en) | 1977-03-18 |
FR2321803B3 FR2321803B3 (en) | 1979-05-11 |
Family
ID=14283247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7625047A Granted FR2321803A1 (en) | 1975-08-19 | 1976-08-18 | UHF TUNING BLOCK |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5231601A (en) |
DE (1) | DE2637051A1 (en) |
FR (1) | FR2321803A1 (en) |
GB (1) | GB1535390A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54115001A (en) * | 1978-02-28 | 1979-09-07 | Matsushita Electric Ind Co Ltd | Electronic tuning circuit |
JPS54115045A (en) * | 1978-02-28 | 1979-09-07 | Matsushita Electric Ind Co Ltd | Electronic tuning circuit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5141781Y2 (en) * | 1971-09-14 | 1976-10-12 |
-
1975
- 1975-08-19 JP JP10079175A patent/JPS5231601A/en active Pending
-
1976
- 1976-08-16 GB GB3407276A patent/GB1535390A/en not_active Expired
- 1976-08-18 FR FR7625047A patent/FR2321803A1/en active Granted
- 1976-08-18 DE DE19762637051 patent/DE2637051A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1535390A (en) | 1978-12-13 |
FR2321803B3 (en) | 1979-05-11 |
DE2637051A1 (en) | 1977-04-28 |
JPS5231601A (en) | 1977-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |