Inventor
Wallace E. Matthews
Inventor
Richardson, TX, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables15%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
H04LTransmission of digital information, e.g. telegraphic communication14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
H03KPulse technique12%
H02JElectric power networks11%
H04QSelecting8%
H04MTelephonic communication5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
9,407,250'Systems for accurate multiplexing'20168,134,401'Systems and methods of low offset switched capacitor comparators'20127,999,710'Multistage chopper stabilized delta-sigma ADC with reduced offset'20116,822,966'Allocating buffers for data transmission in a network communication device'20046,577,135'Battery pack with monitoring function utilizing association with a battery charging system'20036,369,576'Battery pack with monitoring function for use in a battery charging system'20026,107,802'Battery pack with monitoring function utilizing association with a battery charging system'20006,084,858'Distribution of communication load over multiple paths based upon link utilization'20005,965,997'Battery monitoring circuit with storage of charge and discharge accumulation values accessible therefrom'19995,859,560'Temperature compensated bias generator'19995,822,305'Port-link configuration tracking method and apparatus'19985,793,362'Configurations tracking system using transition manager to evaluate votes to determine possible connections between ports in a communications network in accordance with transition tables'19985,754,532'Use of multipoint connection services to establish call-tapping points in a switched network'19985,675,741'Method and apparatus for determining a communications path between two nodes in an Internet Protocol (IP) network'19975,627,819'Use of multipoint connection services to establish call-tapping points in a switched network'19975,617,040'Programmable output device with integrated circuit'19975,604,467'Temperature compensated current source operable to drive a current controlled oscillator'19975,600,247'Dynamically balanced fully differential circuit for use with a battery monitoring circuit'19975,590,120'Port-link configuration tracking method and apparatus'19965,521,910'Method for determining a best path between two nodes'19965,477,166'Programmable output device with integrated circuit'19955,454,710'Display system for a battery monitoring circuit'19955,440,221'Method and apparatus for monitoring batttery capacity with charge control'19955,426,386'Low-power semiconductor voltage comparator with hysteresis'19955,357,203'Battery monitoring circuit for operating with high battery discharge rates'19945,341,034'Backup battery power controller having channel regions of transistors being biased by power supply or battery'19945,284,719'Method and apparatus for monitoring battery capacity'19945,187,396'Differential comparator powered from signal input terminals for use in power switching applications'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1997Patents assigned to BENCHMARQ MICROELECT INC (8)· patent assignee history
1993–2003Based in Richardson, TX, US· patent location history
1995–1999Patents assigned to BENCHMARQ MICROELECTRONICS (3)· patent assignee history
1996–2000Patents assigned to CABLETRON SYSTEMS INC (8)· patent assignee history
1996–2004Based in Northwood, NH, US· patent location history
1996–1998Based in Hampstead, NH, US· patent location history
1997Based in Exeter, NH, US· patent location history
2002–2016Patents assigned to TEXAS INSTRUMENTS INC (5)· patent assignee history
2011–2016Based in Austin, TX, US· patent location history
2012–2016Patents assigned to HUNTER BRADFORD LAWRENCE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BENCHMARQ MICROELECT INC | 8 | 1993–1997 |
| CABLETRON SYSTEMS INC | 8 | 1996–2000 |
| TEXAS INSTRUMENTS INC | 5 | 2002–2016 |
| BENCHMARQ MICROELECTRONICS | 3 | 1995–1999 |
| HUNTER BRADFORD LAWRENCE | 2 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richardson, Texas, US | 16 | 1993–2003 |
| Northwood, NH, US | 5 | 1996–2004 |
| Austin, Texas, US | 3 | 2011–2016 |
| Hampstead, NH, US | 3 | 1996–1998 |
| Exeter, NH, US | 1 | 1997 |