FR687685A - Improvements to t circuits. s. f. - Google Patents
Improvements to t circuits. s. f.Info
- Publication number
- FR687685A FR687685A FR687685DA FR687685A FR 687685 A FR687685 A FR 687685A FR 687685D A FR687685D A FR 687685DA FR 687685 A FR687685 A FR 687685A
- Authority
- FR
- France
- Prior art keywords
- circuits
- 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
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7527/29A GB326984A (en) | 1929-03-07 | 1929-03-07 | Improvements in or relating to wireless circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
FR687685A true FR687685A (en) | 1930-08-12 |
Family
ID=9834828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR687685D Expired FR687685A (en) | 1929-03-07 | 1930-01-04 | Improvements to t circuits. s. f. |
Country Status (4)
Country | Link |
---|---|
US (1) | US1912617A (en) |
DE (1) | DE526728C (en) |
FR (1) | FR687685A (en) |
GB (1) | GB326984A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511327A (en) * | 1949-01-03 | 1950-06-13 | Avco Mfg Corp | Band-pass input circuit |
-
1929
- 1929-03-07 GB GB7527/29A patent/GB326984A/en not_active Expired
- 1929-12-28 DE DEG78380D patent/DE526728C/en not_active Expired
-
1930
- 1930-01-04 FR FR687685D patent/FR687685A/en not_active Expired
- 1930-02-25 US US431307A patent/US1912617A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE526728C (en) | 1931-06-10 |
GB326984A (en) | 1930-03-27 |
US1912617A (en) | 1933-06-06 |
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