PHOTO ELECTRONICS CORP has a total of 22 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets optics, audio-visual technology and measurement are NISHIMOTO SANGYO CO LTD, NISHIMOTO SANGYO KK and SUNSTEIN DAVID E.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 4 | |
#3 | Germany | 3 | |
#4 | United Kingdom | 3 | |
#5 | Switzerland | 2 | |
#6 | France | 2 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Audio-visual technology | |
#3 | Measurement | |
#4 | Computer technology | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Cameras | |
#2 | Television | |
#3 | Measuring light | |
#4 | Analysing materials | |
#5 | Analogue computers | |
#6 | Special information storage | |
#7 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Mergens George W | 7 |
#2 | Dreyfoos Alex W Jr | 6 |
#3 | Dreyfoos Jr Alex W | 3 |
#4 | George W Mergens | 2 |
#5 | Nemeth Otto R | 2 |
#6 | Alex W Jr Dreyfoos | 2 |
#7 | W Mergens George | 1 |
#8 | Mergens George William | 1 |
#9 | Dreyfoos Alex W | 1 |
#10 | Dreyfoos A | 1 |
Publication | Filing date | Title |
---|---|---|
US3724954A | Logarithmic circuit with automatic compensation for variations in conditions of operations | |
FR91652E | Electronic device for color images | |
US3490835A | Automatic film exposure system for motion picture cameras | |
FR1482242A | Electronic device for color images | |
US3417196A | Electronic color viewer and print timer | |
US3441663A | Non-linear amplifiers and systems | |
US3351253A | Resilient coupling for flywheel film drive | |
US3351707A | Electronic color viewer | |
US3359424A | Compensating system for photocells of exposure control apparatus for making color prints | |
CA843004A | Non-linear amplifiers and systems | |
CA822323A | Method and apparatus for controlling cathode ray tube brightness and contrast | |
CA789719A | Electronic color viewer |