| 3M COMPANY | |
| 3M OPTICOM TRAFFIC CONTROL SYSTEM | |
| USAF | |
| LIGHTWEIGHT,WEATHERPROOF LIGHT EMITTING ASSY INTENDED FOR MOUNTING ON TOP OF PRIORITY VEHICLES; CONVERTS 12V DC VEHICLE BATTERY POWER TO THE HIGH VOLTAGE REQUIRED FOR FLASHTUBE; A LOW 9.639 HZ PORM 0.110 OR HIGH 14.035 HZ PORM 0.255 PRIORITY CONTROL SWITCH LOCATED IN PRIORITY VEHICLE USES CRYSTAL CONTROLLED CIRCUITRY TO PRODUCE PRECISELY TIMED PULSES OF HIGH INTENSITY LIGHT; LIGHT PULSES ARE SENSED BY DETECTOR WHICH CONVERTS LIGHT ENERGY INTO ELECTRICAL SIGNALS USED BY PHASE SELECTION EQUIPMENT; UP TO 1800 FT OPTICAL RANGE; LENGTH 5.250 IN.,WIDTH 7.000 IN.,HEIGHT 4.500 |
