LexDanaLexDanabeta
Inventor

Harold A. Roberts

Inventor
Eden Prairie, MN, US

Overview

63→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission10%
H04WWireless communication networks10%
H04JMultiplex communication9%
H04LTransmission of digital information, e.g. telegraphic communication9%
G06FElectric digital data processing8%
H04HBroadcast communication8%
H04MTelephonic communication8%
H04NPictorial communication, e.g. television8%
H03MCoding8%
H04KSecret communication8%
PatentTitleYear
10,887,021Burst mode spectral excursion mitigation202110,165,409System and method for locating nodes within a wireless network201810,091,691Methods and apparatuses for dynamic backhaul bandwidth management in wireless networks20189,806,845'Mitigating spectral excursions in passive optical networks'20179,716,979'System and method for locating nodes within a wireless network'20179,642,145'Methods and apparatuses for dynamic backhaul bandwidth management in wireless networks'20179,391,768'Transparent clock for precision timing distribution'20169,306,697'System and method of compensating for spectral excursion'20169,048,946'Hybrid ranging using an out of band signal in optical networks'20158,967,460'System and method for servicing a device having a matrix barcode'20158,718,482'Transparent clock for precision timing distribution'20148,583,100'Distributed remote base station system'20138,576,693'Systems and method for orthogonal frequency division multiplexing'20138,547,824'Systems and methods for orthogonal frequency divisional multiplexing'20138,406,115'Systems and methods for orthogonal frequency division multiplexing'20138,351,321'Systems and method for orthogonal frequency divisional multiplexing'20138,199,632'Systems and method for orthogonal frequency divisional multiplexing'20128,174,956'Systems and method for orthogonal frequency divisional multiplexing'20128,102,807'Selectively managing mobile station subscriptions between fully used zones and segmented zones'20128,098,591'Selectively assigning mobile stations to segmented zones'20128,089,853'Systems and method for orthogonal frequency divisional multiplexing'20128,050,246'Range extension for time division duplex systems'20117,995,454'Systems and method for orthogonal frequency divisional multiplexing'20117,912,138'Timing and symbol alignment in multipoint-to-point communication using orthogonal frequency division multiplexing'20117,881,180'Systems and method for orthogonal frequency divisional multiplexing'20117,881,181'Systems and method for orthogonal frequency divisional multiplexing'20117,756,060'Tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing'20107,706,349'Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system'20107,623,440'Method and system for adaptive modulation'20097,548,508'System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system'20097,489,624'Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing'20097,443,784'Methods and systems for tone hopping'20087,440,391'Method and system for dynamic bandwidth allocation'20087,420,913'Method for tone hopping in a multipoint-to-point orthogonal frequency division multiplexing communication system'20087,400,572'System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system'20087,391,712'Method and system for forward-looking tone allocation'20087,391,711'Method and system for adaptive modulation'20087,355,964'Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems'20087,355,963'Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing'20086,608,835'Communication system with multicarrier telephony transport'20036,477,354'Communication system transmitting modulated orthogonal carries with service units that scan spectrum to identify assigned band'20026,467,092'Method for adjusting power in a communication system with multicarrier telephony transport'20026,434,583'Fast fourier transform apparatus and method'20026,418,558'Hybrid fiber/coax video and telephony communication'20026,334,219'Channel selection for a hybrid fiber coax network'20016,292,651'Communication system with multicarrier transport distribution network between a head end terminal and remote units'20016,282,683'Communication system with multicarrier telephony transport'20015,239,604'Optical fiber crimp'19935,179,608'Connector for optical fiber'19935,159,655'Optical fiber crimp'19925,123,219'Method for constructing optical switch'19925,037,176'Optical switch with reduced reflection'19914,701,010'Unitary body optical coupler'19874,699,453'Monolithic fiber optic coupler having total internal reflecting surface'19874,611,884'Bi-directional optical fiber coupler'19864,486,072'Optical connector and splicing device using double diameter resilient rods'19844,461,538'Active receptacle having resilient sleeve-like bushing'19844,458,984'Assembly for thermally actuated optic fiber jointing device'19844,458,983'Resilient ferrule connector'19844,456,159'Cleaving tool for optical fibers'19844,444,461'Fiber optic connector and method of manufacture'19844,436,295'Vacuum chuck for holding filaments'19844,406,515'Fiber optic connector'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1984Patents assigned to AUGAT INC (8)· patent assignee history
1983–1984Based in Attleboro, MA, US· patent location history
1986–1987Based in Westboro, MA, US· patent location history
1991–2013Patents assigned to ADC TELECOMMUNICATIONS INC (32)· patent assignee history
1991–2013Based in Eden Prairie, MN, US· patent location history
2002–2016Based in Prior Lake, MN, US· patent location history
2011–2013Patents assigned to HTC CORP (8)· patent assignee history
2012–2014Patents assigned to ROBERTS HAROLD A (11)· patent assignee history
2014–2021Patents assigned to CALIX INC (11)· patent assignee history
2015–2021Based in Excelsior, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADC TELECOMMUNICATIONS INC321991–2013
CALIX INC112014–2021
ROBERTS HAROLD Aself112012–2014
AUGAT INC81983–1984
HTC CORP82011–2013
Locations
LocationPatentsSpan
Eden Prairie, Minnesota, US351991–2013
Prior Lake, Minnesota, US82002–2016
Attleboro, Massachusetts, US81983–1984
Excelsior, Minnesota, US72015–2021
Westboro, Massachusetts, US31986–1987