BE437973A - - Google Patents
Info
- Publication number
- BE437973A BE437973A BE437973DA BE437973A BE 437973 A BE437973 A BE 437973A BE 437973D A BE437973D A BE 437973DA BE 437973 A BE437973 A BE 437973A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
- H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
- H03K4/28—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device
- H03K4/32—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US256033A US2250170A (en) | 1939-02-13 | 1939-02-13 | Periodic wave generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE437973A true BE437973A (https=) |
Family
ID=22970848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE437973D BE437973A (https=) | 1939-02-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2250170A (https=) |
| BE (1) | BE437973A (https=) |
| DE (1) | DE896965C (https=) |
| ES (1) | ES147986A1 (https=) |
| FR (1) | FR863217A (https=) |
| GB (1) | GB536153A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2440278A (en) * | 1943-05-15 | 1948-04-27 | Standard Telephones Cables Ltd | Pulse selecting and eliminating system |
| NL142105B (nl) * | 1947-09-06 | Beck Erich Ing | Werkwijze voor het verdichten en agglomereren van poedervormige tot korrelige thermoplastische stoffen. |
-
0
- BE BE437973D patent/BE437973A/xx unknown
-
1939
- 1939-02-13 US US256033A patent/US2250170A/en not_active Expired - Lifetime
-
1940
- 1940-01-15 GB GB880/40A patent/GB536153A/en not_active Expired
- 1940-02-02 DE DEH5911D patent/DE896965C/de not_active Expired
- 1940-02-03 FR FR863217D patent/FR863217A/fr not_active Expired
- 1940-02-13 ES ES0147986A patent/ES147986A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2250170A (en) | 1941-07-22 |
| ES147986A1 (https=) | 1941-10-01 |
| FR863217A (fr) | 1941-03-27 |
| GB536153A (en) | 1941-05-05 |
| DE896965C (de) | 1953-11-16 |