Abstract: A stabilized platform system for isolating a payload from angular motion and translational and angular vibration of a supporting structure, has an inner gimbal for carrying the payload, a sprung shell containing and carrying the inner gimbal in a manner permitting the inner gimbal a limited amount of angular movement relative thereto about pitch, roll and yaw axes, and an outer gimbal containing the sprung shell and inner gimbal. A passive vibration isolator is connected between the sprung shell and the outer gimbal and has two symmetrical arrays of dampened coil springs located on opposite sides of the sprung shell.

Abstract: A system for analyzing destination addresses on pieces of mail transported serially past an optical scan area to determine whether the address is machine imprinted or handwritten. Based on the determination, an output is generated to control sorting the mail into either one grouping with printed or typed addresses (readable by machine) or another grouping with handwritten addresses (unreadable by machine). High intensity lamps are focused on each side of the scan area angled at a predetermined angle to the path of transport of the mail to illuminate the address. Arrays of photocells are positioned in vertical alignments, one array on each side of the transport path. The array on the side of the piece of mail bearing the address is activated by a piece of mail reaching the scan area to cyclically generate signals based on the characteristics of the addresses scanned. The signals are processed to reach the decision as to whether the addresses are imprinted or handwritten.

Abstract: A mechanism using a stepping motor as the prime mover for a bar code printing head or hammer mounted on the end of a pivotal lever. Where the output code (such as the postal code used in the U.S.) requires a full bar as one binary indication and a half bar the other binary indication, two motors each with its own printing head are used. The heads are spaced apart longitudinally relative to an object to be printed. A full bar is made up of two half bars, thus, both motors must be energized at separated time intervals to cause both heads to strike in a single transverse alignment to print a full bar. The lever supporting the printing head is constructed to position its center of percussion essentially in alignment with the printing hammer to minimize wear on the motor shaft.