Title	Patent Filing Date
All-sky photoelectric lightning detector apparatus	1974-12-09
Scanning photoelectric microscope	1973-10-11
Photoelectric scanning systems for reading data appearing in an angular format	1970-06-09
Photoelectric punched card reading device	1974-04-01
Direct input photoelectric pulse initiator for meter telemetry and recording systems	1974-09-26
Photoelectric control circuit for digital magnetic compass	1974-08-08
Photoelectric guard	1974-09-17
Charge transfer device having control means for its photoelectric conversion characteristics	1974-10-25
Semiconductor photoelectric generator	1974-10-31
Semiconductor photoelectric device	1973-08-14
Photoelectric breakerless distributor	1974-08-27
Device for photoelectric measurements of moving parts	1972-03-03
Two-color photoelectric detectors having an integral filter	1975-02-28
Photoelectric inspection of transparent or translucent medicinal capsules	1974-11-01
Margin test switch for photoelectric intruder detection devices	1975-03-14
Scanning photoelectric autocollimator	1975-03-31
Photoelectric detector for smoke or the like	1975-02-18
Scanning differential photoelectric autocollimator	1975-04-07
Photoelectric physiological measuring apparatus	1974-09-27
Apparatus utilizing analog-to-digital conversion in the photoelectric reading of documents	1972-07-03
Photoelectric pulsemeter	1972-02-17
Photometric method for the quantitative determination of a material or substance in an analysis substance and photoelectric photometer for the performance of the aforesaid method	1975-06-02
Photoelectric smoke detector with means for adjusting the amount of light projected into the detection region	1975-04-11
Photoelectric controlling	1975-07-28
Low noise photoelectric detector apparatus	1975-09-10
Photoelectric oximeter	1975-10-10
Fiber-optic photoelectric power control device	1973-08-02
Semiconductor photoelectric device with plural tin oxide heterojunctions and common electrical connection	1973-04-03
Electrical system having a photoelectric converter to be used in photography	1975-02-03
Photoelectric detector with light source intensity regulation	1975-10-09
Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit	1975-01-30
Photoelectric instrument for measuring the length of an object	1975-07-09
Photoelectric start-stop controls for gas burner	1975-12-19
Focus detecting photoelectric device	1975-07-08
Photoelectric microscope	1976-06-14
Color-sensitive photoelectric control system with fiber optics	1976-05-26
Contactless photoelectric ignition system	1976-01-29
Photocopy machine having photoelectric paper cut-off sensor	1976-08-10
Auto focus with spatial filtering and pairwise interrogation of photoelectric diodes	1976-01-13
Photoelectric measuring device	1976-08-24
Photoelectric detector having an indicator for indicating the operating condition thereof	1976-06-02
Photoelectric sensing system with light source compensating means	1975-12-16
Photoelectric coupler	1975-05-23
Light receiving device for photoelectric conversion element	1976-03-04
Light collector and prism light source for photoelectric readers	1976-05-17
Photoelectric signal generating circuits	1977-04-22
Photoelectric grating displacement measuring apparatus	1976-08-20
Photoelectric method and device for control of a mining machine along a bed of mineral	1976-09-10
Photoelectric line follower	1976-08-05
Folding system with photoelectric detection means	1977-01-25