Inventor

Robert L. Protheroe

Inventor

Cambridge, OH, US

Overview

24→

Patents

1987–2010

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

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

G06Fprimary

G06FElectric digital data processing37%

G07CTime or attendance registers21%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes12%

G06VImage or video recognition or understanding7%

G07FCoin-freed or like apparatus7%

G07GRegistering the receipt of cash, valuables, or tokens7%

G01RMeasuring electric variables2%

G09GArrangements or circuits for control of indicating devices using static means to present variable information2%

G11BInformation storage based on relative movement between record carrier and transducer2%

H04NPictorial communication, e.g. television2%

PatentTitleYear

7,672,900'Write input transaction apparatus and method'2010 7,436,957'Audio cassette emulator with cryptographic media distribution control'2008 6,539,363'Write input credit transaction apparatus and method with paperless merchant credit card processing'2003 5,949,348'Method and apparatus for variable keyboard display'1999 5,587,560'Portable handwritten data capture device and method of using'1996 5,563,381'Handwriting capture system with segmented digitizer'1996 5,539,159'Handwriting capture device'1996 5,414,441'Temperature compensation apparatus for liquid crystal display'1995 5,412,161'Handwriting capture system with segmented digitizer'1995 5,380,958'Handwriting capture device'1995 5,335,230'Apparatus and method for automatic digitizer fault detection'1994 5,322,978'Handwriting capture device with integral forms printer'1994 5,297,202'Apparatus and method for producing a digitized transaction record including an encrypted signature'1994 5,285,506'Method of recording a handwritten message'1994 5,245,139'Apparatus and method for digitizer sampled point validation'1993 5,227,590'Handwriting capture device'1993 5,225,636'Apparatus and method for digitizer point sampling and validation'1993 5,216,595'System and method for integration of lottery terminals into point of sale systems'1993 5,195,133'Apparatus and method for producing a digitized transaction record including an encrypted signature'1993 5,191,175'Self-tuning digitizer control circuit and method'1993 5,140,107'Digitizer screen and method of making'1992 5,120,906'Handwriting capture device'1992 5,115,107'Method of correcting skew between a digitizer and a digital display'1992 4,682,150'Data compression method and apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to NCR CO (15)· patent assignee history

1987–2010Based in Cambridge, OH, US· patent location history

1993–1999Based in Lawrenceville, GA, US· patent location history

1995–2010Patents assigned to NCR CORP (6)· patent assignee history

1995–1996Patents assigned to AT & T GLOBAL INF SOLUTION (2)· patent assignee history

2008Patents assigned to FISCHER ADDISON M (1)· patent assignee history

2008Patents assigned to PROTHEROE ROBERT L (1)· patent assignee history

2008Based in Naples, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NCR CO	15	1987–1995
NCR CORP	6	1995–2010
AT & T GLOBAL INF SOLUTION	2	1995–1996
FISCHER ADDISON M	1	2008
PROTHEROE ROBERT Lself	1	2008

Locations

Location	Patents	Span
Cambridge, OH, US	15	1987–2010
Lawrenceville, Georgia, US	8	1993–1999
Naples, Florida, US	1	2008