BE462294A - - Google Patents
Info
- Publication number
- BE462294A BE462294A BE462294DA BE462294A BE 462294 A BE462294 A BE 462294A BE 462294D A BE462294D A BE 462294DA BE 462294 A BE462294 A BE 462294A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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 |
|---|---|---|---|
| NL115299A NL64009C (cs) | 1944-02-15 | 1944-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE462294A true BE462294A (cs) | 1946-07-09 |
Family
ID=38463203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE462294D BE462294A (cs) | 1944-02-15 | 1946-01-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2536331A (cs) |
| BE (1) | BE462294A (cs) |
| CH (1) | CH248980A (cs) |
| ES (1) | ES179781A1 (cs) |
| FR (1) | FR921938A (cs) |
| GB (1) | GB632199A (cs) |
| NL (1) | NL64009C (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL172064B (nl) * | 1952-08-26 | Bristol Myers Co | Werkwijze voor het bereiden van cefalosporanzuurderivaten. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1896825A (en) * | 1931-11-05 | 1933-02-07 | Atwater Kent Mfg Co | Radio receiving system |
| US2042636A (en) * | 1932-04-27 | 1936-06-02 | Telefunken Gmbh | Superheterodyne circuit arrangement |
| BE400555A (cs) * | 1933-01-02 | |||
| US2066027A (en) * | 1933-04-18 | 1936-12-29 | Rca Corp | Constant frequency generator |
| US2049777A (en) * | 1933-07-21 | 1936-08-04 | Rca Corp | Oscillator-detector |
| GB445558A (en) * | 1934-10-10 | 1936-04-14 | Marconi Wireless Telegraph Co | Improvements in or relating to thermionic valve circuit arrangements |
| GB491663A (en) * | 1937-03-06 | 1938-09-06 | Marconi Wireless Telegraph Co | Improvements in or relating to oscillation generators embodying electron discharge devices |
| US2234184A (en) * | 1938-06-14 | 1941-03-11 | Bristel Company | Electronic control system |
| US2239756A (en) * | 1939-05-31 | 1941-04-29 | Rca Corp | Superheterodyne receiver |
| US2454845A (en) * | 1943-05-04 | 1948-11-30 | Fed Telephone & Radio Corp | High-frequency oscillator circuit for induction heating apparatus |
-
1944
- 1944-02-15 NL NL115299A patent/NL64009C/xx active
-
1945
- 1945-12-18 CH CH248980D patent/CH248980A/de unknown
-
1946
- 1946-01-09 BE BE462294D patent/BE462294A/xx unknown
- 1946-02-08 FR FR921938D patent/FR921938A/fr not_active Expired
-
1947
- 1947-01-29 GB GB2768/47A patent/GB632199A/en not_active Expired
- 1947-02-08 US US727370A patent/US2536331A/en not_active Expired - Lifetime
- 1947-09-17 ES ES0179781A patent/ES179781A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL64009C (cs) | 1949-09-15 |
| US2536331A (en) | 1951-01-02 |
| CH248980A (de) | 1947-05-31 |
| FR921938A (fr) | 1947-05-22 |
| GB632199A (en) | 1949-11-17 |
| ES179781A1 (es) | 1947-11-01 |