AU7276298A - Current source and threshold voltage generation method and apparatus for hhk video circuit - Google Patents
Current source and threshold voltage generation method and apparatus for hhk video circuitInfo
- Publication number
- AU7276298A AU7276298A AU72762/98A AU7276298A AU7276298A AU 7276298 A AU7276298 A AU 7276298A AU 72762/98 A AU72762/98 A AU 72762/98A AU 7276298 A AU7276298 A AU 7276298A AU 7276298 A AU7276298 A AU 7276298A
- Authority
- AU
- Australia
- Prior art keywords
- hhk
- threshold voltage
- current source
- generation method
- voltage generation
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08848387 | 1997-05-08 | ||
US08853046 | 1997-05-08 | ||
US08/853,046 US6028640A (en) | 1997-05-08 | 1997-05-08 | Current source and threshold voltage generation method and apparatus for HHK video circuit |
US08/848,387 US6018370A (en) | 1997-05-08 | 1997-05-08 | Current source and threshold voltage generation method and apparatus for HHK video circuit |
PCT/US1998/008869 WO1998051071A2 (en) | 1997-05-08 | 1998-05-01 | Current source and threshold voltage generation method and apparatus to be used in a circuit for removing the equalization pulses in a composite video synchronization signal |
Publications (1)
Publication Number | Publication Date |
---|---|
AU7276298A true AU7276298A (en) | 1998-11-27 |
Family
ID=27126770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU72762/98A Abandoned AU7276298A (en) | 1997-05-08 | 1998-05-01 | Current source and threshold voltage generation method and apparatus for hhk video circuit |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7276298A (en) |
TW (1) | TW385611B (en) |
WO (1) | WO1998051071A2 (en) |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898377A (en) * | 1973-11-23 | 1975-08-05 | Xerox Corp | Video mixer |
US3883756A (en) * | 1973-12-27 | 1975-05-13 | Burroughs Corp | Pulse generator with automatic timing adjustment for constant duty cycle |
JPS5350613A (en) * | 1976-10-19 | 1978-05-09 | Matsushita Electric Ind Co Ltd | Synchronous signal processing circuit |
CA1152582A (en) * | 1979-11-05 | 1983-08-23 | Takashi Okada | Current mirror circuit |
US4282549A (en) * | 1979-12-11 | 1981-08-04 | Rca Corporation | Pulse generator for a horizontal deflection system |
US4292654A (en) * | 1979-12-20 | 1981-09-29 | Rca Corporation | Deflection system and switched-mode power supply using a common ramp generator |
US4364091A (en) * | 1981-02-18 | 1982-12-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Equalizing pulse removal circuit |
JPH069326B2 (en) * | 1983-05-26 | 1994-02-02 | ソニー株式会社 | Current mirror circuit |
US4594565A (en) * | 1984-08-30 | 1986-06-10 | Cordis Corporation | Clock oscillator for a cardiac pacer having frequency compensation for temperature and voltage fluctuations |
US4689549A (en) * | 1986-06-30 | 1987-08-25 | Motorola, Inc. | Monolithic current splitter for providing temperature independent current ratios |
US4677368A (en) * | 1986-10-06 | 1987-06-30 | Motorola, Inc. | Precision thermal current source |
US4827341A (en) * | 1986-12-16 | 1989-05-02 | Fuji Photo Equipment Co., Ltd. | Synchronizing signal generating circuit |
FR2649505B1 (en) * | 1989-07-07 | 1991-10-25 | Sgs Thomson Microelectronics | INTEGRATED CIRCUIT WITH ADJUSTABLE OSCILLATOR WITH FREQUENCY INDEPENDENT OF THE SUPPLY VOLTAGE |
US5029295A (en) * | 1990-07-02 | 1991-07-02 | Motorola, Inc. | Bandgap voltage reference using a power supply independent current source |
US5059820A (en) * | 1990-09-19 | 1991-10-22 | Motorola, Inc. | Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor |
US5189515A (en) * | 1991-02-04 | 1993-02-23 | Industrial Technology Research Institute | Television synchronization signal separator |
US5124632A (en) * | 1991-07-01 | 1992-06-23 | Motorola, Inc. | Low-voltage precision current generator |
US5250879A (en) * | 1992-03-02 | 1993-10-05 | Thomson Consumer Electronics, S.A. | Deflection circuit having a controllable sawtooth generator |
US5428287A (en) * | 1992-06-16 | 1995-06-27 | Cherry Semiconductor Corporation | Thermally matched current limit circuit |
US5479091A (en) * | 1992-12-11 | 1995-12-26 | Texas Instruments Incorporated | Output current reference circuit and method |
US5394020A (en) * | 1992-12-30 | 1995-02-28 | Zenith Electronics Corporation | Vertical ramp automatic amplitude control |
DE4302221C1 (en) * | 1993-01-27 | 1994-02-17 | Siemens Ag | Integrated current source circuit using bipolar pnp transistors - uses current source connected to emitter of one transistor coupled in circuit with three transistors |
US5565915A (en) * | 1993-06-15 | 1996-10-15 | Matsushita Electric Industrial Co., Ltd. | Solid-state image taking apparatus including photodiode and circuit for converting output signal of the photodiode into signal which varies with time at variation rate depending on intensity of light applied to the photodiode |
US5349286A (en) * | 1993-06-18 | 1994-09-20 | Texas Instruments Incorporated | Compensation for low gain bipolar transistors in voltage and current reference circuits |
US5570243A (en) * | 1993-06-22 | 1996-10-29 | Fujitsu Limited | Variable delay circuit including current mirror and ramp generator circuits for use in the read channel of a data storage device |
GB2283630B (en) * | 1993-11-03 | 1997-11-19 | Plessey Semiconductors Ltd | Drive circuit |
GB9417267D0 (en) * | 1994-08-26 | 1994-10-19 | Inmos Ltd | Current generator circuit |
JP2682470B2 (en) * | 1994-10-24 | 1997-11-26 | 日本電気株式会社 | Reference current circuit |
EP0735677B1 (en) * | 1995-03-31 | 1999-12-22 | Co.Ri.M.Me. Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno | Oscillator circuit having oscillation frequency independent from the supply voltage value |
-
1998
- 1998-05-01 AU AU72762/98A patent/AU7276298A/en not_active Abandoned
- 1998-05-01 WO PCT/US1998/008869 patent/WO1998051071A2/en active Application Filing
- 1998-05-05 TW TW87106914A patent/TW385611B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1998051071A3 (en) | 1999-02-04 |
WO1998051071A2 (en) | 1998-11-12 |
TW385611B (en) | 2000-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |