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 circuit

Info

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
Application number
AU72762/98A
Inventor
Mehrdad Nayebi
Duc Ngo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/853,046 external-priority patent/US6028640A/en
Priority claimed from US08/848,387 external-priority patent/US6018370A/en
Application filed by Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of AU7276298A publication Critical patent/AU7276298A/en
Abandoned legal-status Critical Current

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)
AU72762/98A 1997-05-08 1998-05-01 Current source and threshold voltage generation method and apparatus for hhk video circuit Abandoned AU7276298A (en)

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)

* Cited by examiner, † Cited by third party
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

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