Hubert K. Burke

Charge Injection Device As A Candidate Sensor For Stellar Tracking

In the past few years a family of solid state sensors called Charge Transfer Devices (CTDs) have been developed for the television industry. These devices show promise of being superior to the Image Dissector as a stellar sensor and a number of technology programs have begun to develop around the devices. Inherent advantages of these devices are: low voltage requirements, insensitivity to magnetic fields, good linearity, and low weight and power. Two basic types of CTDs have been developed; the Charge Coupled Device (CCD) and the Charge Injection Device (CID). This paper discusses the stellar tracking advantages of the CID over other devices and the work done by the General Electric Co. in developing a CID particularly suited for this application.

Charge Injection Device Focal Plane Processor For Video Bandwidth Compression

A charge injection device (CID) solid-state video sensor/focal plane processor is described which can be used to implement Hadamard transform techniques to reduce video band-width. This device can be operated in two modes. In one mode, the output is a normal video signal. In the second mode, the output is the Hadamard transform of the image. This approach offers an opportunity to relieve the small size and low power requirements imposed by mini-RPV and guided weapon antijam video data link applications by performing the transform processing function of the airborne encoder directly on the image plane. A description of the CID imager, the one- and two-dimensional Hadamard transform implementation of the focal plane processing chip, and preliminary test results are included.