| Pat.#4152701: | Base band speed sensor | ||
| INVENTORS: | Mara; Richard M., Tewksbury, MA | ||
| Nicolson; Alexander M., Concord, MA | |||
| Ross; Gerald F., Lexington, MA | |||
| ASSIGNEES: | Sperry Rand Corporation, New York, NY | ||
| ISSUED: | May 1, 1979 | ||
| FILED: | Apr. 20, 1978 | ||
| ABSTRACT: A base band radio speed sensor, for use with the path of travel of the craft whose speed is to be sensed advantageously disposed at right angles to the antenna patterns, utilizes a transmitter flanked by equally spaced receivers for determining the times of passage of the craft with respect to symmetrically disposed receiver antennas. | |||