Oscillator comprising foldover detection

Details Oscillator comprising foldover detection Oscillator comprising foldover detection

2007-09-14

2010-06-08

Pascal, Robert (Department: 2817)

Oscillators

With indicator, signal, or alarm

C331S057000, C331S056000, C331S185000, C323S284000

Reexamination Certificate

active

07733189

ABSTRACT:
Control circuitry is disclosed including an oscillator operable to generate an oscillator signal. A frequency of the oscillator signal increases as an amplitude of a first voltage increases up to a threshold, and the frequency of the oscillator signal decreases as an amplitude of the first voltage exceeds the threshold. The oscillator is operable to generate a foldover signal indicating when the frequency of the oscillator signal is decreasing due to the first voltage exceeding the threshold.

REFERENCES:
patent: 4164648 (1979-08-01), Chu
patent: 4298898 (1981-11-01), Cardot
patent: 4675617 (1987-06-01), Martin
patent: 4737670 (1988-04-01), Chan
patent: 4822144 (1989-04-01), Vriens
patent: 4922141 (1990-05-01), Lofgren et al.
patent: 5146121 (1992-09-01), Searles et al.
patent: 5386187 (1995-01-01), Bichler et al.
patent: 5440250 (1995-08-01), Albert
patent: 5440520 (1995-08-01), Schutz et al.
patent: 5446718 (1995-08-01), Shimizu et al.
patent: 5459438 (1995-10-01), Mirow
patent: 5479119 (1995-12-01), Tice et al.
patent: 5612610 (1997-03-01), Borghi et al.
patent: 5629610 (1997-05-01), Pedrazzini et al.
patent: 5638019 (1997-06-01), Frankeny
patent: 5640383 (1997-06-01), Kamoto et al.
patent: 5661422 (1997-08-01), Tice et al.
patent: 5717683 (1998-02-01), Yoshimoto et al.
patent: 5747976 (1998-05-01), Wong et al.
patent: 5748050 (1998-05-01), Anderson
patent: 5777567 (1998-07-01), Murata et al.
patent: 5787292 (1998-07-01), Ottesen et al.
patent: 5808455 (1998-09-01), Schwartz et al.
patent: 5815043 (1998-09-01), Chow et al.
patent: 5994885 (1999-11-01), Wilcox et al.
patent: 6031426 (2000-02-01), Yechuri
patent: 6055287 (2000-04-01), McEwan
patent: 6125157 (2000-09-01), Donnelly et al.
patent: 6157247 (2000-12-01), Abdesselem et al.
patent: 6188206 (2001-02-01), Nguyen et al.
patent: 6259293 (2001-07-01), Hayase et al.
patent: 6259327 (2001-07-01), Balistreri et al.
patent: 6285263 (2001-09-01), Anderson
patent: 6288524 (2001-09-01), Tsujimoto
patent: 6333652 (2001-12-01), Iida et al.
patent: 6356062 (2002-03-01), Elmhurst et al.
patent: 6396251 (2002-05-01), Corva et al.
patent: 6424184 (2002-07-01), Yamamoto et al.
patent: 6425086 (2002-07-01), Clark et al.
patent: 6449110 (2002-09-01), DeGroat et al.
patent: 6449575 (2002-09-01), Bausch et al.
patent: 6515460 (2003-02-01), Farrenkopf
patent: 6525585 (2003-02-01), Iida et al.
patent: 6535735 (2003-03-01), Underbrink et al.
patent: 6577535 (2003-06-01), Pasternak
patent: 6617936 (2003-09-01), Dally et al.
patent: 6622252 (2003-09-01), Klaassen et al.
patent: 6657467 (2003-12-01), Seki et al.
patent: 6693473 (2004-02-01), Alexander et al.
patent: 6721255 (2004-04-01), Gushima et al.
patent: 6774694 (2004-08-01), Stern et al.
patent: 6831494 (2004-12-01), Fu et al.
patent: 6868503 (2005-03-01), Maksimovic et al.
patent: 6870410 (2005-03-01), Doyle et al.
patent: 6885210 (2005-04-01), Suzuki
patent: 6909266 (2005-06-01), Kernahan et al.
patent: 6970045 (2005-11-01), Lichter et al.
patent: 6987380 (2006-01-01), Lee
patent: 7015735 (2006-03-01), Kimura et al.
patent: 7042202 (2006-05-01), Sutardja et al.
patent: 7061292 (2006-06-01), Maksimovic et al.
patent: 7102446 (2006-09-01), Lee et al.
patent: 7109695 (2006-09-01), King
patent: 7129763 (2006-10-01), Bennett et al.
patent: 7151417 (2006-12-01), Suzuki
patent: 7176663 (2007-02-01), Takimoto et al.
patent: 7205805 (2007-04-01), Bennett
patent: 7259603 (2007-08-01), Gibson et al.
patent: 7276925 (2007-10-01), Dobberpuhl et al.
patent: 7330017 (2008-02-01), Dwarakanath
patent: 7330019 (2008-02-01), Bennett
patent: 7486060 (2009-02-01), Bennett
patent: 7551383 (2009-06-01), Kupferman
patent: 2003/0093160 (2003-05-01), Maksimovic et al.
patent: 2004/0257056 (2004-12-01), Huang et al.
patent: 2005/0099235 (2005-05-01), Sakamoto
patent: 2005/0134391 (2005-06-01), Kimura et al.
patent: 2005/0140418 (2005-06-01), Muniandy et al.
patent: 2005/0218871 (2005-10-01), Kang et al.
patent: 2005/0218877 (2005-10-01), Oswald et al.
patent: 2005/0251700 (2005-11-01), Henderson
patent: 2006/0129852 (2006-06-01), Bonola et al.
patent: 2006/0161678 (2006-07-01), Bopardikar et al.
patent: 2006/0220753 (2006-10-01), Boerstler et al.
patent: 2006/0227861 (2006-10-01), Maksimovic et al.
patent: WO 09/13079 (1990-11-01), None
patent: WO 90/13079 (1990-11-01), None
Lu Yun, et al., “A Current Steering Logic Based Ring Oscillator for High Stability and Lower Noise Applications”, High Density packaging and Microsystem Integration, 2007. HDP '07. International Symposium on, Jun. 26-28, 2007, pp. 1-3.
Moore, B., et al., “Design of wireless sub-micron characterization system”, VLSI Test Symposium, 2004. Proceedings. 22nd IEEE, Apr. 25-29, 2004, pp. 341-346.
Boit, et al., Interaction of Laser Beam with Semiconductor Device (IC), Retrieved Jan. 29, 2009 from http://mikro.ee.tu-berlin.de/hIb/emmi/poster—emmi1.pdf.
Wang et al., “Technology Challenges Motivating Adaptive Techniques”, Adaptive Techniques for Dynamic Processor Optimization, Spring US, ISSN 1558-9412, 2008, pp. 1-23.
Wei, Gu-Yeon, “Energy-Efficient I/O Interface Design With Adaptive Power-Supply Regulation”,A Dissertation Submitted to the Department of Electrical Engineering and the Committee on Graduate Studies of Stanford University, Jun. 2001, retrieved from http://www-vlsi.stanford.edu/papers/gyw—thesis.pdf on Jan. 29, 2009.
Application as filed—U.S. Appl. No. 11/393,425, filed Mar. 30, 2006, 18 pages.
Application as filed—U.S. Appl. No. 11/590,704, filed Oct. 31, 2006, 24 pages.
Gu-Yeon Wei et al., “A Fully Digital, Energy-Efficient, Adaptive Power-Supply Regulator”, IEEE Journal of Solid-State Circuits, vol. 34, No. 4, pp. 520-528, Apr. 1999.
T. D. Burd, et al., “A Dynamic Voltage Scaled Microprocessor System,” IEEE Journal of Solid-State Circuits, vol. 35, No. 11, pp. 1571-1580, Nov. 2000.
Anthony John Stratakos, “High-Efficiency Low-Voltage DC-DC Conversion for Portable Applications,” pp. 1, 124-129, 177-183, 188-191, Ph.D. Dissertation, University of California, Berkley, Dec. 1998.
Aleksandar Prodic, et al., “Mixed-Signal Simulation of Digitally Controlled Switching Converters,” IEEE COMPEL, pp. 100-105, Jun. 2002.
Jinwen Xiao, et al., “A 4-μA Quiescent-Current Dual-Mode Digitally Controlled Buck Converter IC for Cellular Phone Applications,” IEEE Journal of Solid-State Circuits, vol. 39, No. 12, pp. 2342-2348, Dec. 2004.
Shamim Choudhury, “Designing a TMS320F280x Based Digitally Controlled DC-DC Switching Power Supply,” Texas Instruments Application Report, http://focus.ti.com, spraab3.pdf, pp. 1-16, Jul. 2005.
Marc Fleischmann, “LongRun Power Management, Dynamic Power Management for Crusoe Processors,” Transmeta Corporation, pp. 1-18, Jan. 17, 2001.
Alexander Klaiber, “The Technology Behind Crusoe Processors, Low-Power x86-Compatible Processors Implemented with Code Morphing Software,” Transmeta Corporation, pp. 1-18, Jan. 2000.
“Applications for White LED Driver in Parallel vs. Series,” Analog Integrations Corporation (AIC), AIC1845, AN027, www.analog.com, pp. 1-7, Oct. 2003.
“Power Supply Regulation,” printout from Altera website, http://www.altera.com/support/devices/power/regulators/powregulators.html, pp. 1-3, Oct. 2006.

Affiliated with

Also associated with

Rating

Oscillator comprising foldover detection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oscillator comprising foldover detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oscillator comprising foldover detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4177274