Fischer; Jonathan H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Fischer; Jonathan H..The latest application filed is for "method and apparatus for non-disruptive telecommunication loop condition determination".

Company Profile

0.30.18

Fischer; Jonathan H. - Longmont CO
Fischer; Jonathan H. - Denver CO
Fischer; Jonathan H. - Blandon PA

*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
Digital input detector and associated adaptive power supply Grant 8,953,267 - Fischer February 10, 2	2015-02-10
Input capacitor protection circuit Grant 8,810,975 - Fischer August 19, 2	2014-08-19
Method and apparatus for non-disruptive telecommunication loop condition determination Grant 8,787,557 - Fischer , et al. July 22, 2	2014-07-22
Method and Apparatus for Non-Disruptive Telecommunication Loop Condition Determination App 20130236003 - Fischer; Jonathan H. ; et al.	2013-09-12
Method and apparatus for non-disruptive telecommunication loop condition determination Grant 8,437,467 - Fischer , et al. May 7, 2	2013-05-07
Digital Input Detector And Associated Adaptive Power Supply App 20130107392 - Fischer; Jonathan H.	2013-05-02
Clamp circuit using PMOS and NMOS devices Grant 8,305,130 - Fischer November 6, 2	2012-11-06
Analog multiplexer circuits and methods Grant 8,111,094 - Fischer February 7, 2	2012-02-07
CLAMP CIRCUIT USING PMOS and NMOS DEVICES App 20120013384 - FISCHER; JONATHAN H.	2012-01-19
Input Capacitor Protection Circuit App 20120014023 - FISCHER; JONATHAN H.	2012-01-19
Method and Apparatus for Non-Disruptive Telecommunication Loop Condition Determination App 20110274266 - Fischer; Jonathan H. ; et al.	2011-11-10
Method and apparatus for non-disruptive telecommunication loop condition determination Grant 7,995,743 - Fischer , et al. August 9, 2	2011-08-09
Analog Multiplexer Circuits And Methods App 20110002062 - Fischer; Jonathan H. ; et al.	2011-01-06
Long hold time sample and hold circuits Grant 7,773,332 - Fischer , et al. August 10, 2	2010-08-10
Current mirrors having fast turn-on time Grant 7,746,590 - Fischer June 29, 2	2010-06-29
Magnetic storage write heads using micro-electro mechanical shutters Grant 7,554,757 - Fischer , et al. June 30, 2	2009-06-30
Bi-directional interface for low data rate application Grant 7,539,803 - Fischer , et al. May 26, 2	2009-05-26
Composite output stage for hard disk drive preamplifier Grant 7,466,200 - Fischer December 16, 2	2008-12-16
Optical midpoint power control and extinction ratio control of a semiconductor laser Grant 7,443,896 - Fischer , et al. October 28, 2	2008-10-28
Method And Apparatus For Non-disruptive Telecommunication Loop Condition Determination App 20070121907 - Fischer; Jonathan H. ; et al.	2007-05-31
Unified passcode pairing of piconet devices Grant 7,155,163 - Cannon , et al. December 26, 2	2006-12-26
Method and apparatus for non-disruptive telecommunication loop condition determination Grant 7,113,587 - Fischer , et al. September 26, 2	2006-09-26
Composite output stage for hard disk drive preamplifier App 20060072232 - Fischer; Jonathan H.	2006-04-06
Current mirrors having fast turn-on time App 20060072231 - Fischer; Jonathan H.	2006-04-06
Magnetic storage write heads using micro-electro mechanical shutters App 20050111127 - Fischer, Jonathan H. ; et al.	2005-05-26
Long hold time sample and hold circuits App 20050111128 - Fischer, Jonathan H. ; et al.	2005-05-26
Optical midpoint power control and extinction ratio control of a semiconductor laser App 20050008050 - Fischer, Jonathan H. ; et al.	2005-01-13
Bi-directional interface for low data rate application App 20040252078 - Fischer, Jonathan H. ; et al.	2004-12-16
Optical source driver with output load detection circuit Grant 6,801,556 - Fischer October 5, 2	2004-10-05
Distribution of current draw in a line powered DAA Grant 6,778,665 - Fischer , et al. August 17, 2	2004-08-17
Optical source driver with improved input stage Grant 6,778,569 - Fischer August 17, 2	2004-08-17
Detection of low tip/ring currents in a line powered DAA Grant 6,735,305 - Fischer , et al. May 11, 2	2004-05-11
Maintaining an off-hook condition during a call bridge Grant 6,687,371 - Fischer , et al. February 3, 2	2004-02-03
Startup procedure for international line powered DAA Grant 6,674,857 - Fischer , et al. January 6, 2	2004-01-06
Optical source driver with output load detection circuit App 20030091077 - Fischer, Jonathan H.	2003-05-15
Optical source driver with improved input stage App 20030091076 - Fischer, Jonathan H.	2003-05-15
Optical Source Driver With Bias Circuit For Controlling Output Overshoot App 20030048820 - Fischer, Jonathan H.	2003-03-13
Unified passcode pairing of piconet devices App 20020090912 - Cannon, Joseph M. ; et al.	2002-07-11
Telecom service identification resonator apparatus and technique Grant 6,389,110 - Fischer , et al. May 14, 2	2002-05-14
Digital phase-locked loop with pulse controlled charge pump Grant 6,313,707 - Fischer , et al. November 6, 2	2001-11-06
Reduced impact power up/down mode in electrical circuits Grant 6,239,510 - Azimi , et al. May 29, 2	2001-05-29
Interface devices providing electrical isolation Grant 6,169,762 - Embree , et al. January 2, 2	2001-01-02
Delay compensation technique for buffers Grant 5,300,837 - Fischer April 5, 1	1994-04-05
Method for reducing signal-dependent distortion in switched-capacitor filters or the like Grant 5,039,963 - Fischer August 13, 1	1991-08-13

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