GB797517A - Improvements in and relating to line scanning time base for television receivers - Google Patents
Improvements in and relating to line scanning time base for television receiversInfo
- Publication number
- GB797517A GB797517A GB29474/54A GB2947454A GB797517A GB 797517 A GB797517 A GB 797517A GB 29474/54 A GB29474/54 A GB 29474/54A GB 2947454 A GB2947454 A GB 2947454A GB 797517 A GB797517 A GB 797517A
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- scanning
- frequencies
- compensation
- sawtooth
- 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
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH797517X | 1953-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB797517A true GB797517A (en) | 1958-07-02 |
Family
ID=4537406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29474/54A Expired GB797517A (en) | 1953-10-16 | 1954-10-13 | Improvements in and relating to line scanning time base for television receivers |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE532099A (enrdf_load_stackoverflow) |
CH (1) | CH325327A (enrdf_load_stackoverflow) |
DE (1) | DE973455C (enrdf_load_stackoverflow) |
FR (1) | FR1108916A (enrdf_load_stackoverflow) |
GB (1) | GB797517A (enrdf_load_stackoverflow) |
LU (1) | LU33128A1 (enrdf_load_stackoverflow) |
NL (1) | NL191504A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2186768A (en) * | 1985-04-19 | 1987-08-19 | Emc Datacare Ltd | Video display unit with improved security |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE741536C (de) * | 1938-02-05 | 1943-11-12 | Fernseh Gmbh | Anordnung zum Erzeugen der Anodenspannung fuer Kathodenstrahlroehren |
-
0
- LU LU33128D patent/LU33128A1/xx unknown
- NL NL191504D patent/NL191504A/xx unknown
- BE BE532099D patent/BE532099A/xx unknown
-
1953
- 1953-10-16 CH CH325327D patent/CH325327A/fr unknown
-
1954
- 1954-10-04 FR FR1108916D patent/FR1108916A/fr not_active Expired
- 1954-10-08 DE DES41162A patent/DE973455C/de not_active Expired
- 1954-10-13 GB GB29474/54A patent/GB797517A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2186768A (en) * | 1985-04-19 | 1987-08-19 | Emc Datacare Ltd | Video display unit with improved security |
GB2186768B (en) * | 1985-04-19 | 1989-07-05 | Emc Datacare Ltd | Video display unit with improved security |
Also Published As
Publication number | Publication date |
---|---|
NL191504A (enrdf_load_stackoverflow) | |
CH325327A (fr) | 1957-10-31 |
BE532099A (enrdf_load_stackoverflow) | |
LU33128A1 (enrdf_load_stackoverflow) | |
FR1108916A (fr) | 1956-01-19 |
DE973455C (de) | 1960-03-03 |
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