Inventor

Richard A. Comroe

Inventor

East Dundee, IL, US

Overview

1983–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 37 as inventor

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

H04Wprimary

H04WWireless communication networks52%

H04BTransmission11%

H04LTransmission of digital information, e.g. telegraphic communication11%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%

G06FElectric digital data processing3%

H04QSelecting3%

G07CTime or attendance registers2%

G10LSpeech analysis techniques or speech synthesis2%

H04JMultiplex communication2%

H04MTelephonic communication2%

PatentTitleYear

7,245,933'Method and apparatus for multicasting in a wireless communication system'2007 7,010,315'Method and apparatus for assigning a remote unit a channel within a communication system'2006 6,333,921'Method and apparatus for group calls in a wireless CDMA system based on dedicated codes'2001 6,005,848'Method and apparatus for a talkgroup call in a wireless CDMA system'1999 5,987,022'Method for transmitting multiple-protocol packetized data'1999 5,870,149'Video/integrated land mobile dispatch radio and video unit'1999 5,553,315'Method of maintaining access authorization using a bulletin board communication resource'1996 5,425,030'On-site system frequency sharing with trunking system'1995 5,387,905'Mutli-site group dispatch call method'1995 5,371,898'Method for a communication unit to operate in either a trunking or a cellular communication system'1994 5,369,781'Dispatch communication system with adjacent system signal repeating'1994 5,363,371'Mobile ISDN radio system'1994 5,355,367'One cell re-use pattern for communication system sites'1994 5,313,654'Method for transferring a private call from a trunking communication system to a cellular communication system'1994 5,301,359'Bulletin board resource for communication system access'1994 5,278,536'Electromagnetic radiation node for use in a network and lighting element incorporating such a node'1994 5,260,943'TDM hand-off technique using time differences'1993 5,247,701'On-site/trunking system frequency sharing'1993 5,239,674'Method for transferring private data transmissions from a trunking communication system to a cellular communication'1993 5,218,716'Method for locating a communication unit within a multi mode communication system'1993 5,212,805'Near-field on-site/trunking system frequency sharing'1993 5,193,101'On-site system frequency sharing with trunking systems using spread spectrum'1993 5,179,721'Method for inter operation of a cellular communication system and a trunking communication system'1993 5,159,695'Communication system to communication system communication system'1992 5,146,538'Communication system and method with voice steering'1992 5,131,038'Portable authentification system'1992 5,095,529'Intersystem group call communication system and method'1992 5,054,110'Multi-site dispatching system cell registration'1991 5,040,238'Trunking system communication resource reuse method'1991 5,014,345'Method for dynamically regrouping subscribers on a communications system'1991 4,926,495'Computer aided dispatch system'1990 4,870,408'Method for dynamically allocating data channels on a trunked communication system'1989 4,833,701'Trunked communication system with nationwide roaming capability'1989 4,817,190'Method for dynamically regrouping subscribers on a communications system'1989 4,667,191'Serial link communications protocol'1987 4,642,807'Fault tolerant receiver'1987 4,414,675'MSK and OK-QPSK signal demodulator'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2007Patents assigned to MOTOROLA INC (37)· patent assignee history

1983–1999Based in East Dundee, IL, US· patent location history

1996–2007Based in South Barrington, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	37	1983–2007

Locations

Location	Patents	Span
East Dundee, Illinois, US	31	1983–1999
South Barrington, Illinois, US	6	1996–2007