Abstract: A universal remote control radio frequency transmitter for use with garage door operators, gate operators and other barrier movement operators is programmable through the use of external switches. The same switches are used after programming for causing the transmitter to transmit an RF signal at about the selected frequency and with a code corresponding to the programmed code. A plurality of RF frequencies are generated by a single RF circuit and a single loop antenna. The selected frequency is determined by digital controller logic and PIN diode shorting in and out selected reactive elements in the RF circuit.

Abstract: An infusion pump system, comprises disposable tubing having an elastic segment and one-way check valves at each end of the segment for conveying intravenous fluid from a source to a patient, a compact, portable housing having an open receptacle for removably receiving a segment of the disposable tubing, a reciprocating ram mounted in the housing for periodically engaging and compressing the segment of the disposable tubing for pumping fluid therethrough, a motor mounted in the housing for driving the ram upon energization thereof, a control system mounted in the housing for receiving input signals and energizing the motor so that the fluid is pumped through the disposable tubing in accordance with pre-selected delivery rate parameters.