Inventor

John A. van Raalte

Inventor

Princeton, NJ, US

Overview

14→

Patents

1976–1999

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps50%

G11BInformation storage based on relative movement between record carrier and transducer11%

G01BMeasuring length, thickness or similar linear dimensions6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

G02BOptical elements, systems or apparatus6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

G03GElectrography6%

H04NPictorial communication, e.g. television6%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%

PatentTitleYear

5,944,571'Method of making color picture tubes having a mix of electron guns'1999 5,093,217'Apparatus and method for manufacturing a screen assembly for a CRT utilizing a grid-developing electrode'1992 4,906,100'Method of detecting adriamycin (doxorubicin) or daunomycin in the environment'1990 4,798,448'High efficiency illumination system for display devices'1989 4,574,306'Apparatus and method for automatically measuring the shoe-length of a video disc stylus'1986 4,516,232'Video disc player with compensation for stylus holder mechanical resonance'1985 4,341,437'Stylus tip positioning technique'1982 4,283,654'Modular tube shadow mask support system'1981 4,259,611'Segmented shadow mask'1981 4,220,892'Phosphor screen for modular flat panel display device'1980 4,137,485'Image display block scanning method'1979 4,099,085'Parallel vane structure for a flat display device'1978 4,028,575'Electron multiplier image display device'1977 3,947,717'Photoconductor of cadmium selenide and aluminum oxide'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to RCA CORP (10)· patent assignee history

1976–1992Based in Princeton, NJ, US· patent location history

1989Patents assigned to GEN ELECTRIC (1)· patent assignee history

1990Patents assigned to UNIV CINCINNATI (1)· patent assignee history

1990Based in Portland, OR, US· patent location history

1992Patents assigned to RCA THOMSON LICENSING CORP (1)· patent assignee history

1999Patents assigned to THOMSON TUBES & DISPLAYS (1)· patent assignee history

1999Based in Dijon, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RCA CORP	10	1976–1986
GEN ELECTRIC	1	1989
RCA THOMSON LICENSING CORP	1	1992
THOMSON TUBES & DISPLAYS	1	1999
UNIV CINCINNATI	1	1990

Locations

Location	Patents	Span
Princeton, New Jersey, US	12	1976–1992
Dijon, FR	1	1999
Portland, OR, US	1	1990