FR804851A - Montage pour l'amorçage des oscillographes cathodiques - Google Patents
Montage pour l'amorçage des oscillographes cathodiquesInfo
- Publication number
- FR804851A FR804851A FR804851DA FR804851A FR 804851 A FR804851 A FR 804851A FR 804851D A FR804851D A FR 804851DA FR 804851 A FR804851 A FR 804851A
- Authority
- FR
- France
- Prior art keywords
- assembly
- cathode ray
- starting cathode
- ray oscillographs
- oscillographs
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE455479X | 1935-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR804851A true FR804851A (fr) | 1936-11-04 |
Family
ID=6539045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR804851D Expired FR804851A (fr) | 1935-04-09 | 1936-04-09 | Montage pour l'amorçage des oscillographes cathodiques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2155486A (fr) |
FR (1) | FR804851A (fr) |
GB (1) | GB455479A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4723167A (en) * | 1987-02-24 | 1988-02-02 | Zenith Electronics Corporation | Turn-off circuit for projection television CRT |
US5349382A (en) * | 1991-01-25 | 1994-09-20 | Canon Kabushiki Kaisha | Image pickup apparatus with image light focus prevention |
-
1936
- 1936-04-02 US US72408A patent/US2155486A/en not_active Expired - Lifetime
- 1936-04-04 GB GB10010/36A patent/GB455479A/en not_active Expired
- 1936-04-09 FR FR804851D patent/FR804851A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB455479A (en) | 1936-10-21 |
US2155486A (en) | 1939-04-25 |
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