| Patent No. | Patent Title: |
| 4040740 | Opto-electronic sensor |
| 4040738 | Railroad track profile spacing and alignment apparatus |
| 4035084 | Automatic levelling method and apparatus for rotating laser beam ... |
| 4030832 | Automatic grade rod and method of operation |
| 4029415 | Laser land-surveying apparatus with digital display |
| 4028700 | Pulse compression radar and method of operating such a radar |
| 4026655 | Pseudo-backscatter laser doppler velocimeter employing antip... |
| 4026654 | System for detecting the presence of a possibly moving object |
| 4025193 | Apparatus suitable for use in orienting aircraft in-flight for re... |
| 4025920 | Identification of radar systems |
| 4025948 | Coding system for pay television apparatus |
| 4025192 | Optical measuring method |
| 4024576 | Method and apparatus for scrambling and unscrambling communicatio... |
| 4024434 | Circuit arrangement in a television receiver provided with a line... |
| 4024397 | Shock resistant encapsulated infrared detector |
| 4024574 | Validation method and apparatus for pay television systems |
| 4024575 | Catv sine wave coding system |
| 4022972 | Transient suppression and grey level coincidence in a subscriptio... |
| 4021804 | Synchronized, coherent timing system for coherent-on-receive rada... |
| 4021116 | High resolution distance measuring apparatus |
| 4020490 | Traffic radar and apparatus therefor |
| 4019201 | Method and apparatus for scrambling and unscrambling communicatio... |
| 4018532 | Sun direction detection system |
| 4015120 | Optical systems and associated detecting means |
| 4015257 | Radar detection of turbulence in precipitation |
| 4014022 | Target detection method and apparatus for reducing range-smearing... |
| 4014019 | Real time analog doppler processor for weather radar |
| 4014021 | Radar for short range measurements |
| 4012583 | Pay TV control system |
| 4012736 | Radar speedometer |
| 4011561 | Simplified digital conversion for coherent-on-receive pulsed rada... |
| 4010466 | Method and system of electronic image storage and display |
| 4009960 | Passive optical rangefinder |
| 4010365 | Self-stabilizing image scanner |
| 4009393 | Dual spectral range target tracking seeker |
| 4008475 | Stabilizing and calibration circuit for FM-CW radar ranging syste... |
| 4007991 | System for transmitting position information |
| 4006988 | Photo-electric depth or turbidity meter for fluid suspensions |
| 4006356 | Radiant energy tracking device |
| 4005936 | Interferometric methods and apparatus for measuring distance to a... |
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