FR938640A - Perfectionnements à la production de courants électriques en dents de scie - Google Patents
Perfectionnements à la production de courants électriques en dents de scieInfo
- Publication number
- FR938640A FR938640A FR938640DA FR938640A FR 938640 A FR938640 A FR 938640A FR 938640D A FR938640D A FR 938640DA FR 938640 A FR938640 A FR 938640A
- Authority
- FR
- France
- Prior art keywords
- production
- electrical currents
- sawtooth
- sawtooth electrical
- currents
- 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
- 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
- H03K4/34—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 using a single tube with positive feedback through a transformer
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US428395A US2360697A (en) | 1942-01-27 | 1942-01-27 | Saw-tooth wave generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR938640A true FR938640A (fr) | 1948-10-20 |
Family
ID=23698720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR938640D Expired FR938640A (fr) | 1942-01-27 | 1946-10-04 | Perfectionnements à la production de courants électriques en dents de scie |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2360697A (fr) |
| FR (1) | FR938640A (fr) |
| GB (1) | GB563569A (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2440895A (en) * | 1943-01-11 | 1948-05-04 | Farnsworth Res Corp | Wave generator |
| US2483431A (en) * | 1944-05-10 | 1949-10-04 | Sperry Corp | Blocking oscillator |
| US2478606A (en) * | 1945-03-14 | 1949-08-09 | Rca Corp | Electromagnetic deflection generator |
| US2493044A (en) * | 1946-06-22 | 1950-01-03 | Farnsworth Res Corp | Deflection wave generator |
| US2540692A (en) * | 1946-10-16 | 1951-02-06 | Rca Corp | Wave generating system |
| GB629898A (en) * | 1946-12-04 | 1949-09-30 | Eric William Bull | Improvements relating to negative feedback amplifiers |
| BE484981A (fr) * | 1947-09-27 | |||
| GB645426A (en) * | 1948-01-09 | 1950-11-01 | Marconi Wireless Telegraph Co | Improvements in or relating to saw tooth current wave generators |
| US2633554A (en) * | 1948-01-24 | 1953-03-31 | Rca Corp | Beam deflection control |
| US2647426A (en) * | 1948-03-31 | 1953-08-04 | William F Battle | Electrically operated musical instrument |
| US2524712A (en) * | 1949-01-21 | 1950-10-03 | Tele Tone Radio Corp | Horizontal sweep circuit |
| US2536838A (en) * | 1949-05-24 | 1951-01-02 | Rca Corp | High-efficiency cathode-ray beam deflection system |
| US2536839A (en) * | 1949-05-24 | 1951-01-02 | Rca Corp | Power recovery cathode-ray beam deflection system |
| BE495848A (fr) * | 1949-05-24 | |||
| US2611106A (en) * | 1949-07-20 | 1952-09-16 | Motorola Inc | Television sweep system |
| BE497251A (fr) * | 1949-07-29 | |||
| US2623178A (en) * | 1950-04-04 | 1952-12-23 | Hartford Nat Bank & Trust Co | Blocking oscillator |
| NL88011C (fr) * | 1950-04-04 | |||
| US2753451A (en) * | 1952-01-31 | 1956-07-03 | Sperry Rand Corp | Sweep voltage control apparatus |
| US3005928A (en) * | 1959-02-26 | 1961-10-24 | Walter L Wuster | Sawtooth gating sweep circuit providing adjustable d.c. reference level |
-
1942
- 1942-01-27 US US428395A patent/US2360697A/en not_active Expired - Lifetime
-
1943
- 1943-01-27 GB GB1364/43A patent/GB563569A/en not_active Expired
-
1946
- 1946-10-04 FR FR938640D patent/FR938640A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2360697A (en) | 1944-10-17 |
| GB563569A (en) | 1944-08-21 |
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