Perrott; Michael H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Perrott; Michael H..The latest application filed is for "operation of an ultrasonic sensor".

Company Profile

12.54.33

Perrott; Michael H. - Nashua NH
Perrott; Michael H. - Abu Dhabi AE
Perrott; Michael H. - Sunnyvale CA
Perrott; Michael H. - Cambridge MA
Perrott; Michael H. - Somerville MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Two-dimensional array of CMOS control elements Grant 11,440,052 - Salvia , et al. September 13, 2	2022-09-13
Operating a fingerprint sensor comprised of ultrasonic transducers Grant 11,288,891 - Salvia , et al. March 29, 2	2022-03-29
Phase locked loop with phase error signal used to control effective impedance Grant 11,228,319 - Perrott January 18, 2	2022-01-18
Capacitor-referenced temperature sensing Grant 11,226,241 - Perrott , et al. January 18, 2	2022-01-18
Operation Of An Ultrasonic Sensor App 20210396718 - GARLEPP; Bruno W. ; et al.	2021-12-23
Receive operation of an ultrasonic sensor Grant 11,154,906 - Garlepp , et al. October 26, 2	2021-10-26
Operation of an ultrasonic sensor Grant 11,112,388 - Garlepp , et al. September 7, 2	2021-09-07
Phase locked loop circuit with oscillator signal based on switched impedance network Grant 10,985,766 - Perrott April 20, 2	2021-04-20
Image generation in an electronic device using ultrasonic transducers Grant 10,860,831 - Garlepp , et al. December 8, 2	2020-12-08
Temperature-compensated timing signal generator Grant 10,852,199 - Perrott , et al. December 1, 2	2020-12-01
Transmit Beamforming Of A Two-dimensional Array Of Ultrasonic Transducers App 20200357379 - GARLEPP; Bruno W. ; et al.	2020-11-12
Receive Operation Of An Ultrasonic Sensor App 20200254486 - Kind Code	2020-08-13
Integrated circuit with oscillator signal based on switched-resistance circuitry Grant 10,720,929 - Perrott	2020-07-21
Transmit beamforming of a two-dimensional array of ultrasonic transducers Grant 10,706,835 - Garlepp , et al.	2020-07-07
Operation Of An Ultrasonic Sensor App 20200158694 - GARLEPP; Bruno W. ; et al.	2020-05-21
Transmit operation of an ultrasonic sensor Grant 10,600,403 - Garlepp , et al.	2020-03-24
Image Generation In An Electronic Device Using Ultrasonic Transducers App 20200074135 - GARLEPP; Bruno W. ; et al.	2020-03-05
Receive operation of an ultrasonic sensor Grant 10,562,070 - Garlepp , et al. Feb	2020-02-18
Operating A Fingerprint Sensor Comprised Of Ultrasonic Transducers App 20200050817 - SALVIA; James Christian ; et al.	2020-02-13
Operation of an ultrasonic sensor Grant 10,539,539 - Garlepp , et al. Ja	2020-01-21
Image generation in an electronic device using ultrasonic transducers Grant 10,474,862 - Garlepp , et al. Nov	2019-11-12
Operating a fingerprint sensor comprised of ultrasonic transducers Grant 10,452,887 - Salvia , et al. Oc	2019-10-22
Phase locked loop with switched-component loop filter Grant 10,389,371 - Perrott A	2019-08-20
Two-dimensional Array Of Cmos Control Elements App 20190247887 - SALVIA; James Christian ; et al.	2019-08-15
Two-dimensional array of CMOS control elements Grant 10,325,915 - Salvia , et al.	2019-06-18
Two-dimensional array of CMOS control elements Grant 10,315,222 - Salvia , et al.	2019-06-11
Temperature sensor with frequency-controlled reference Grant 10,175,119 - Perrott , et al. J	2019-01-08
Image Generation In An Electronic Device Using Ultrasonic Transducers App 20180349663 - GARLEPP; Bruno W. ; et al.	2018-12-06
PLL with accelerated frequency lock Grant 10,063,244 - Perrott August 28, 2	2018-08-28
Receive Operation Of An Ultrasonic Sensor App 20170326593 - GARLEPP; Bruno W. ; et al.	2017-11-16
Operating A Fingerprint Sensor Comprised Of Ultrasonic Transducers App 20170330012 - SALVIA; James Christian ; et al.	2017-11-16
Transmit Beamforming Of A Two-dimensional Array Of Ultrasonic Transducers App 20170330553 - GARLEPP; Bruno W. ; et al.	2017-11-16
Transmit Operation Of An Ultrasonic Sensor App 20170330552 - GARLEPP; Bruno W. ; et al.	2017-11-16
Operation Of An Ultrasonic Sensor App 20170328870 - GARLEPP; Bruno W. ; et al.	2017-11-16
Two-dimensional Array Of Cmos Control Elements App 20170322292 - SALVIA; James Christian ; et al.	2017-11-09
Two-dimensional Array Of Cmos Control Elements App 20170322291 - SALVIA; James Christian ; et al.	2017-11-09
Cancellation of spurious tones within a phase-locked loop with a time-to-digital converter Grant 9,762,250 - Perrott September 12, 2	2017-09-12
Hybrid analog and digital control of oscillator frequency Grant 9,705,514 - Perrott July 11, 2	2017-07-11
Multipath digital microphones Grant 9,673,768 - Perrott June 6, 2	2017-06-06
Multipath Digital Microphones App 20170033754 - PERROTT; Michael H.	2017-02-02
Capacitor-referenced temperature sensing Grant 9,523,615 - Perrott , et al. December 20, 2	2016-12-20
Cancellation of delta-sigma quantization noise within a fractional-N PLL with a nonlinear time-to-digital converter Grant 9,490,818 - Perrott November 8, 2	2016-11-08
Fractional-N phase-locked loop Grant 9,461,653 - Perrott October 4, 2	2016-10-04
High-gain locked-loop phase detector Grant 9,461,658 - Perrott October 4, 2	2016-10-04
Amplifier topology achieving high DC gain and wide output voltage range Grant 9,444,406 - Perrott , et al. September 13, 2	2016-09-13
Capacitance-to-digital converter utilizing digital feedback and auxiliary DAC Grant 9,385,747 - Perrott , et al. July 5, 2	2016-07-05
Capacitance-to-digital Converter Utilizing Digital Feedback And Auxiliary Dac App 20160182081 - Perrott; Michael H. ; et al.	2016-06-23
Fractional-N Phase-Locked Loop App 20160112053 - Perrott; Michael H.	2016-04-21
Time-to-digital converter based on a voltage controlled oscillator Grant 9,270,288 - Perrott February 23, 2	2016-02-23
Time-to-voltage converter using a capacitor based digital to analog converter for quantization noise cancellation Grant 9,246,500 - Perrott January 26, 2	2016-01-26
Phase locked loop circuitry having switched resistor loop filter circuitry, and methods of operating same Grant 9,203,417 - Perrott December 1, 2	2015-12-01
Circuitry and techniques for resistor-based temperature sensing Grant 9,182,295 - Perrott , et al. November 10, 2	2015-11-10
Time-to-digital Converter Based On A Voltage Controlled Oscillator App 20150145570 - Perrott; Michael H.	2015-05-28
Cancellation Of Delta-sigma Quantization Noise Within A Fractional-n Pll With A Nonlinear Time-to-digital Converter App 20150145571 - Perrott; Michael H.	2015-05-28
Cancellation Of Spurious Tones Within A Phase-locked Loop With A Time-to-digital Converter App 20150145567 - Perrott; Michael H.	2015-05-28
Time-to-voltage Converter Using A Capacitor Based Digital To Analog Converter For Quantization Noise Cancellation App 20150145569 - Perrott; Michael H.	2015-05-28
Hybrid Analog And Digital Control Of Oscillator Frequency App 20150145566 - Perrott; Michael H.	2015-05-28
Phase locked loop circuitry having switched resistor loop filter circuitry, and methods of operating same Grant 8,829,959 - Perrott September 9, 2	2014-09-09
High Efficiency Led Driver Circuit App 20140225524 - Saadeh; Wala ; et al.	2014-08-14
Phase Locked Loop Circuitry Having Switched Resistor Loop Filter Circuitry, and Methods of Operating Same App 20130069729 - Perrott; Michael H.	2013-03-21
Phase locked loop circuitry having switched resistor loop filter circuitry, and methods of operating same Grant 8,299,826 - Perrott October 30, 2	2012-10-30
Phase Locked Loop Circuitry Having Switched Resistor Loop Filter Circuitry, and Methods of Operating Same App 20110050301 - Perrott; Michael H.	2011-03-03
Technique for expanding an input signal Grant 7,679,455 - Huang , et al. March 16, 2	2010-03-16
Digitally-synthesized loop filter method and circuit particularly useful for a phase locked loop Grant 7,613,267 - Perrott , et al. November 3, 2	2009-11-03
Feedback system incorporating slow digital switching for glitch-free state changes Grant 7,463,098 - Baird , et al. December 9, 2	2008-12-09
Method and apparatus for determining a loss of signal condition Grant 7,254,169 - Steiner , et al. August 7, 2	2007-08-07
Clock and data recovery circuit without jitter peaking Grant 7,227,913 - Hein , et al. June 5, 2	2007-06-05
Feedback System Incorporating Slow Digital Switching For Glitch-free State Changes App 20070057736 - Baird; Rex T. ; et al.	2007-03-15
Feedback system incorporating slow digital switching for glitch-free state changes Grant 7,133,485 - Baird , et al. November 7, 2	2006-11-07
Technique For Expanding An Input Signal App 20060192598 - Baird; Rex T. ; et al.	2006-08-31
Method and apparatus for bit error rate detection Grant 6,988,227 - Perrott January 17, 2	2006-01-17
Method and apparatus for acquiring a frequency without a reference clock Grant 6,856,206 - Perrott February 15, 2	2005-02-15
Digitally-synthesized loop filter method and circuit particularly useful for a phase locked loop App 20040263225 - Perrott, Michael H. ; et al.	2004-12-30
Auto-detection between referenceless and reference clock mode of operation Grant 6,831,523 - Pastorello , et al. December 14, 2	2004-12-14
Calibration of a loss of signal detection system Grant 6,799,131 - Steiner , et al. September 28, 2	2004-09-28
Digitally-synthesized loop filter circuit particularly useful for a phase locked loop Grant 6,765,445 - Perrott , et al. July 20, 2	2004-07-20
Method and apparatus for switching between input clocks in a phase-locked loop Grant 6,741,109 - Huang , et al. May 25, 2	2004-05-25
Digitally-synthesized loop filter circuit particularly useful for a phase locked loop App 20040051590 - Perrott, Michael H. ; et al.	2004-03-18
Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor Grant 6,686,803 - Perrott , et al. February 3, 2	2004-02-03
Offset correction and slicing level adjustment for amplifier circuits Grant 6,657,488 - King , et al. December 2, 2	2003-12-02
Digitally-synthesized loop filter circuit particularly useful for a phase locked loop Grant 6,630,868 - Perrott , et al. October 7, 2	2003-10-07
Digital phase detector circuit and method therefor Grant 6,590,426 - Perrott July 8, 2	2003-07-08
Apparatus and method for decimating a digital input signal App 20030020640 - Perrott, Michael H.	2003-01-30
Digitally-synthesized loop filter circuit particularly useful for a phase locked loop App 20020089356 - Perrott, Michael H. ; et al.	2002-07-11
Digital phase detector circuit and method therefor App 20020033714 - Perrott, Michael H.	2002-03-21
Digital compensation for wideband modulation of a phase locked loop frequency synthesizer Grant 6,008,703 - Perrott , et al. December 28, 1	1999-12-28

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