FR809653A - - Google Patents
Info
- Publication number
- FR809653A FR809653A FR809653DA FR809653A FR 809653 A FR809653 A FR 809653A FR 809653D A FR809653D A FR 809653DA FR 809653 A FR809653 A FR 809653A
- 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
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
- H03G3/26—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE467771X | 1935-08-20 | ||
| DE1935N0038765 DE687209C (de) | 1935-08-20 | 1935-10-27 | Schaltanordnung zur Erleichterung der Abstimmung eines Radioempfangsgeraetes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR809653A true FR809653A (it) | 1937-03-08 |
Family
ID=25944088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR809653D Expired FR809653A (it) | 1935-08-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2108154A (it) |
| BE (1) | BE417050A (it) |
| DE (1) | DE687209C (it) |
| FR (1) | FR809653A (it) |
| GB (1) | GB467771A (it) |
| NL (1) | NL54190C (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2499875A (en) * | 1945-07-18 | 1950-03-07 | Colonial Radio Corp | Motor tuning stopping circuit |
| US2541017A (en) * | 1947-04-30 | 1951-02-13 | Farnsworth Res Corp | Automatic station selector |
-
0
- FR FR809653D patent/FR809653A/fr not_active Expired
- NL NL54190D patent/NL54190C/xx active
- BE BE417050D patent/BE417050A/xx unknown
-
1935
- 1935-10-27 DE DE1935N0038765 patent/DE687209C/de not_active Expired
-
1936
- 1936-07-01 GB GB18268/36A patent/GB467771A/en not_active Expired
- 1936-07-30 US US93354A patent/US2108154A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2108154A (en) | 1938-02-15 |
| BE417050A (it) | |
| DE687209C (de) | 1940-01-25 |
| GB467771A (en) | 1937-06-23 |
| NL54190C (it) |