GB518643A - Improvements in or relating to scanning oscillation generators - Google Patents
Improvements in or relating to scanning oscillation generatorsInfo
- Publication number
- GB518643A GB518643A GB25572/38A GB2557238A GB518643A GB 518643 A GB518643 A GB 518643A GB 25572/38 A GB25572/38 A GB 25572/38A GB 2557238 A GB2557238 A GB 2557238A GB 518643 A GB518643 A GB 518643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oscillator
- correcting signals
- valve
- circuit
- scanning
- 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
- 230000010355 oscillation Effects 0.000 title abstract 3
- 238000009432 framing Methods 0.000 abstract 1
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
-
- 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
Landscapes
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE518643X | 1937-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB518643A true GB518643A (en) | 1940-03-04 |
Family
ID=6550120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25572/38A Expired GB518643A (en) | 1937-09-01 | 1938-09-01 | Improvements in or relating to scanning oscillation generators |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE429960A (cs) |
FR (1) | FR842884A (cs) |
GB (1) | GB518643A (cs) |
NL (1) | NL89490C (cs) |
-
0
- BE BE429960D patent/BE429960A/xx unknown
- NL NL89490D patent/NL89490C/xx active
-
1938
- 1938-09-01 FR FR842884D patent/FR842884A/fr not_active Expired
- 1938-09-01 GB GB25572/38A patent/GB518643A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR842884A (fr) | 1939-06-21 |
BE429960A (cs) | |
NL89490C (cs) |
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