BE497790A - - Google Patents
Info
- Publication number
- BE497790A BE497790A BE497790DA BE497790A BE 497790 A BE497790 A BE 497790A BE 497790D A BE497790D A BE 497790DA BE 497790 A BE497790 A BE 497790A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F5/00—Amplifiers with both discharge tubes and semiconductor devices as amplifying elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL285605X | 1949-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE497790A true BE497790A (fr) |
Family
ID=19782496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE497790D BE497790A (fr) | 1949-08-30 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE497790A (fr) |
| CH (1) | CH285605A (fr) |
| DE (1) | DE820151C (fr) |
| FR (1) | FR1025054A (fr) |
| GB (1) | GB673604A (fr) |
| NL (1) | NL148404B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2628310A (en) * | 1951-12-31 | 1953-02-10 | Ibm | Counter circuits |
| DE976216C (de) * | 1952-05-23 | 1963-05-09 | Telefunken Patent | Schaltungsanordnung zur Anodenstromversorgung von Roehrengeraeten |
| NL89693C (fr) * | 1952-11-15 | |||
| NL84028C (fr) * | 1953-02-03 | |||
| GB809852A (en) * | 1954-06-28 | 1959-03-04 | Automatic Telephone & Elect | Improvements in or relating to electric circuits including transistor devices |
| DE1132192B (de) * | 1956-12-29 | 1962-06-28 | Siemens Ag | Zwei- oder mehrstufiger Roehrenverstaerker mit direkter Kopplung |
| DE1146118B (de) * | 1961-02-02 | 1963-03-28 | Bbc Brown Boveri & Cie | Zweistufiger Transistor-Schaltverstaerker |
-
0
- BE BE497790D patent/BE497790A/xx unknown
- NL NL696915307A patent/NL148404B/xx unknown
-
1950
- 1950-08-25 GB GB21069/50A patent/GB673604A/en not_active Expired
- 1950-08-27 DE DEN1726A patent/DE820151C/de not_active Expired
- 1950-08-28 CH CH285605D patent/CH285605A/de unknown
- 1950-08-28 FR FR1025054D patent/FR1025054A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE820151C (de) | 1951-11-08 |
| FR1025054A (fr) | 1953-04-10 |
| CH285605A (de) | 1952-09-15 |
| NL148404B (nl) | |
| GB673604A (en) | 1952-06-11 |