Inventor

Christer Ovren

Inventor

Vaster.ang.s, SE

Overview

26→

Patents

1983–2001

Patent span

Physics

Primary field (CPC G)

Patents· 26 as inventor

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

G01Dprimary

G01DMeasuring not specially adapted for a specific variable22%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure14%

G01KMeasuring temperature10%

G01RMeasuring electric variables6%

G02BOptical elements, systems or apparatus6%

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

H10HInorganic light-emitting semiconductor devices having potential barriers4%

F02PIgnition, other than compression ignition, for internal-combustion engines2%

G01BMeasuring length, thickness or similar linear dimensions2%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%

PatentTitleYear

6,278,314'Electric circuit'2001 4,880,972'Fiber-optic measuring apparatus using luminescent material'1989 4,714,835'Optical position-measuring sensor'1987 4,644,379'Semiconductor component for generation of optical radiation'1987 4,644,154'Fiber-optic luminescence measuring system for measuring light transmission in an optic sensor'1987 4,607,158'Temperature compensated light-generating device'1986 4,581,528'Fiber optical measuring device for measuring dynamic movements'1986 4,581,530'Fiber-optic luminescence sensor utilizing interference in a thin layer structure'1986 4,577,189'Circuits with electro-optical feedback for display and a digitizer application'1986 4,569,570'Optical sensor having atomically localized luminescence centers'1986 4,562,348'Fiber optical luminescence measuring system for measuring physical quantities with time- or frequency-divided signal information'1985 4,560,868'Fiber optical luminescence sensor for measuring mechanical displacement'1985 4,539,473'Optically excitable luminescent sensor elements'1985 4,537,467'Hermetic sealing of gallium arsenide components'1985 4,529,875'Fiber-optical measuring apparatus'1985 4,514,860'Fiber optical measuring device for measuring electrical and magnetic quantities by laterally controlled photo-luminescence'1985 4,498,004'Fiber optical measuring device, employing a sensor material with a non-linear intensity response characteristic for measuring physical quantities'1985 4,493,995'Fiber optical measuring device with a frequency sensitive transducer'1985 4,475,240'Device for simultaneous creation and detection of markings'1984 4,473,747'Semiconductor structure for a fiber optical pressure sensing element'1984 4,451,730'Optical measuring apparatus for measuring force or pressure'1984 4,446,366'Fiber optic measuring device with compensation for reflections in the fiber optic and with a possibility of simultaneous measurement of several quantities'1984 4,433,238'Optical measurement system for spectral analysis'1984 4,417,140'Fibre optic measuring device with electrically controlled photoluminescence'1983 4,378,496'Current measuring apparatus using light-emitting devices'1983 4,376,890'Fiber-optic temperature-measuring apparatus'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1989Patents assigned to ASEA AB (25)· patent assignee history

1983–2001Based in Vaster.ang.s, SE· patent location history

1983Based in Vasteras, SE· patent location history

2001Patents assigned to ABB RESEARCH LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASEA AB	25	1983–1989
ABB RESEARCH LTD	1	2001

Locations

Location	Patents	Span
Vaster.ang.s, SE	24	1983–2001
Vasteras, SE	2	1983