Inventor
Craig B. Ziemer
Inventor
Fleetwood, PA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication28%
H03KPulse technique24%
H03CModulation12%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses8%
H04BTransmission8%
B41JTypewriters4%
G06FElectric digital data processing4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H04MTelephonic communication4%
H04NPictorial communication, e.g. television4%
PatentTitleYear
8,798,222'Methods and apparatus for digital linearization of an analog phase interpolator'20148,385,493'Method and apparatus for improving linearity in clock and data recovery systems'20138,126,039'Methods and apparatus for evaluating the eye margin of a communications device using a data eye monitor'20127,928,789'Methods and apparatus for improved phase switching and linearity in an analog phase interpolator'20117,787,515'Method and apparatus for generation of asynchronous clock for spread spectrum transmission'20107,778,377'Methods and apparatus for spread spectrum generation using a voltage controlled delay loop'20107,724,857'Method and apparatus for improving linearity in clock and data recovery systems'20107,560,967'Methods and apparatus for improved phase switching and linearity in an analog phase interpolator'20097,425,856'Phase interpolator with output amplitude correction'20087,312,667'Statically controlled clock source generator for VCDL clock phase trimming'20077,298,195'Methods and apparatus for improved phase switching and linearity in an analog phase interpolator'20077,236,037'Alternating clock signal generation for delay loops'20077,205,811'Methods and apparatus for maintaining desired slope of clock edges in a phase interpolator using an adjustable bias'20077,190,198'Voltage controlled delay loop with central interpolator'20076,381,086'Programmable active damping for high-speed write driver'20025,969,745'Gray shade driver for pixel array'19995,675,640'Telephone ringing signal detector'19975,532,498'High sensitivity control circuit for optical solid-state relays'19965,221,847'Break-before-make control for form C solid-state relays with current limiter bypass'19935,138,177'Solid-state relay'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to AT & T BELL LAB (2)· patent assignee history
1992–1993Based in Earl Township, Berks County, PA, US· patent location history
1996–1999Based in New Holland, PA, US· patent location history
1997–1999Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history
1997Based in Lancaster, PA, US· patent location history
2002–2014Based in Fleetwood, PA, US· patent location history
2007–2012Patents assigned to AGERE SYSTEMS INC (12)· patent assignee history
2012–2014Patents assigned to MOBIN MOHAMMAD S (2)· patent assignee history
2013–2014Patents assigned to AGERE SYSTEMS LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGERE SYSTEMS INC | 12 | 2007–2012 |
| AGERE SYSTEMS LLC | 2 | 2013–2014 |
| AT & T BELL LAB | 2 | 1992–1993 |
| LUCENT TECHNOLOGIES INC | 2 | 1997–1999 |
| MOBIN MOHAMMAD S | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fleetwood, Pennsylvania, US | 15 | 2002–2014 |
| New Holland, Pennsylvania, US | 2 | 1996–1999 |
| Earl Township, Berks County, Pennsylvania, US | 2 | 1992–1993 |
| Lancaster, Pennsylvania, US | 1 | 1997 |