CONTROL INTERFACE CO LTD has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in EPO (European Patent Office), United States and Canada. Its main competitors in its focus markets optics, measurement and electrical machinery and energy are DS LCD CO LTD, KEEWIN DISPLAY CO LTD and Wuhan huaxing photoelectric technology co ltd.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 5 | |
#2 | United States | 5 | |
#3 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Measurement | |
#3 | Electrical machinery and energy | |
#4 | Audio-visual technology | |
#5 | Machines | |
#6 | Control |
# | Technology | |
---|---|---|
#1 | Nonlinear optics | |
#2 | Electric discharge tubes | |
#3 | Measuring electric variables | |
#4 | Unspecified technologies | |
#5 | Casings and printed circuits | |
#6 | Teaching materials | |
#7 | Special measuring |
# | Name | Total Patents |
---|---|---|
#1 | Bohmer William | 10 |
#2 | Hoffman Louis S | 5 |
#3 | Betancourt Walter J | 5 |
#4 | Devito Ralph J | 1 |
#5 | Hladky Walter | 1 |
#6 | Hoffman Louis | 1 |
Publication | Filing date | Title |
---|---|---|
EP0205235A2 | Method and apparatus for liquid crystal display of analog indicators | |
US4658188A | Apparatus and method for scanning a flat screen cathode ray tube | |
US4690509A | Waveforms on a liquid crystal display | |
US4641923A | Field sensitive optical displays with electrodes with high and low impedance portions | |
US4493531A | Field sensitive optical displays, generation of fields therefor and scanning thereof | |
US4599070A | Aircraft simulator and simulated control system therefor | |
CA1197638A | Field sensitive optical displays, generation of fields therefor and scanning thereof |