Inventor
Michael C. Fischer
Inventor
Palo Alto, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses22%
G11BInformation storage based on relative movement between record carrier and transducer19%
G11CStatic stores15%
H04LTransmission of digital information, e.g. telegraphic communication7%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
G01KMeasuring temperature4%
G01RMeasuring electric variables4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
H03CModulation4%
PatentTitleYear
10,508,579Mixer device20196,928,036'Harmonic correction in phase-locked loops'20056,856,570'Apparatus for writing data bits to a memory array'20056,781,918'Address structure and methods for multiple arrays of data storage memory'20046,738,307'Address structure and methods for multiple arrays of data storage memory'20046,693,860'Timing signal recovery by superheterodyne phase locked loop'20046,687,168'Method for writing data bits to a memory array'20046,646,964'Harmonic correction in phase-locked loops'20036,393,596'Missing pulse detector using synchronous detection'20026,351,153'Phase detector with high precision'20026,272,103'Signal attenuation using a filter-limiter connection with a threshold setting network'20015,126,698'Phase modulator operated in saturation and with small angle modulation'19925,019,788'Amplifier with wide dynamic range'19914,282,482'Method and apparatus for phase detection having a narrow dead band and a linear output'19814,160,183'Oscillator having a quartz resonator cut to compensate for static and dynamic thermal transients'19794,079,280'Quartz resonator cut to compensate for static and dynamic thermal transients'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2002Patents assigned to HEWLETT PACKARD CO (8)· patent assignee history
1978–1981Based in Santa Clara, CA, US· patent location history
1991–2005Based in Palo Alto, CA, US· patent location history
2003–2005Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (7)· patent assignee history
2019Patents assigned to BOYSEN FRIEDRICH GMBH CO KG (1)· patent assignee history
2019Based in Nagold, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD CO | 8 | 1978–2002 |
| HEWLETT PACKARD DEVELOPMENT CO | 7 | 2003–2005 |
| BOYSEN FRIEDRICH GMBH CO KG | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 12 | 1991–2005 |
| Santa Clara, California, US | 3 | 1978–1981 |
| Nagold, DE | 1 | 2019 |