IT1133446B - IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN - Google Patents
IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREENInfo
- Publication number
- IT1133446B IT1133446B IT12573/80A IT1257380A IT1133446B IT 1133446 B IT1133446 B IT 1133446B IT 12573/80 A IT12573/80 A IT 12573/80A IT 1257380 A IT1257380 A IT 1257380A IT 1133446 B IT1133446 B IT 1133446B
- Authority
- IT
- Italy
- Prior art keywords
- saw
- scanning
- television screen
- voltage generators
- tooth voltage
- Prior art date
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
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
- H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
- H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
-
- 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
- H04N3/24—Blanking circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7915660A FR2459583A1 (en) | 1979-06-19 | 1979-06-19 | Sawtooth waveform generator with adjustable flyback black=out - uses charging capacitor with series resistor to cause voltage jump |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8012573A0 IT8012573A0 (en) | 1980-06-18 |
IT1133446B true IT1133446B (en) | 1986-07-09 |
Family
ID=9226785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT12573/80A IT1133446B (en) | 1979-06-19 | 1980-06-18 | IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3022727A1 (en) |
FR (1) | FR2459583A1 (en) |
IT (1) | IT1133446B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0069165B1 (en) * | 1981-07-08 | 1984-08-08 | Deutsche ITT Industries GmbH | Integrated circuit for television receivers or colour television receivers |
DE4238615C1 (en) * | 1992-11-16 | 1993-11-25 | Telefunken Microelectron | Generating line flyback pulses for display tube - using operational amplifier circuit with input from sawtooth wave signal generator controlling amplitude and frequency |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL295144A (en) * | 1962-07-10 | |||
FR1564005A (en) * | 1968-03-06 | 1969-04-18 | ||
DE2533599C3 (en) * | 1975-07-26 | 1982-03-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Integrable deflection circuitry |
-
1979
- 1979-06-19 FR FR7915660A patent/FR2459583A1/en active Granted
-
1980
- 1980-06-18 DE DE19803022727 patent/DE3022727A1/en not_active Withdrawn
- 1980-06-18 IT IT12573/80A patent/IT1133446B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8012573A0 (en) | 1980-06-18 |
FR2459583A1 (en) | 1981-01-09 |
DE3022727A1 (en) | 1981-01-22 |
FR2459583B1 (en) | 1983-03-04 |
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