ZA849521B - Circuit arrangement for automatic setting of a black level voltage - Google Patents
Circuit arrangement for automatic setting of a black level voltageInfo
- Publication number
- ZA849521B ZA849521B ZA849521A ZA849521A ZA849521B ZA 849521 B ZA849521 B ZA 849521B ZA 849521 A ZA849521 A ZA 849521A ZA 849521 A ZA849521 A ZA 849521A ZA 849521 B ZA849521 B ZA 849521B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit arrangement
- level voltage
- black level
- automatic setting
- automatic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
- B67D1/1234—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount
- B67D1/1238—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount comprising means for detecting the liquid level in vessels to be filled, e.g. using ultrasonic waves, optical reflexion, probes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D3/0003—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with automatic fluid control means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
- G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
- G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
- G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833344747 DE3344747A1 (en) | 1983-12-10 | 1983-12-10 | CIRCUIT FOR THE AUTOMATIC ADJUSTMENT OF THE BLACK VALUE VOLTAGE |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA849521B true ZA849521B (en) | 1985-10-30 |
Family
ID=6216621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA849521A ZA849521B (en) | 1983-12-10 | 1984-12-06 | Circuit arrangement for automatic setting of a black level voltage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0149711A3 (en) |
DE (1) | DE3344747A1 (en) |
ZA (1) | ZA849521B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3535570A1 (en) * | 1985-10-04 | 1987-04-09 | Siemens Ag | Circuit for automatically adjusting the black-level voltage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1575604A (en) * | 1976-01-27 | 1980-09-24 | Bang & Olufsen As | Colour television receivers |
US4342048A (en) * | 1980-08-18 | 1982-07-27 | Zenith Radio Corporation | Automatic CRT tracking circuit |
US4331982A (en) * | 1980-09-25 | 1982-05-25 | Rca Corporation | Sample and hold circuit particularly for small signals |
US4331981A (en) * | 1980-09-25 | 1982-05-25 | Rca Corporation | Linear high gain sampling amplifier |
US4358788A (en) * | 1981-02-27 | 1982-11-09 | Rca Corporation | Legibility for alpha-mosaic characters |
-
1983
- 1983-12-10 DE DE19833344747 patent/DE3344747A1/en not_active Withdrawn
-
1984
- 1984-08-16 EP EP84109733A patent/EP0149711A3/en not_active Withdrawn
- 1984-12-06 ZA ZA849521A patent/ZA849521B/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0149711A3 (en) | 1988-10-05 |
DE3344747A1 (en) | 1985-06-20 |
EP0149711A2 (en) | 1985-07-31 |
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