US 7,095,788 B1 · Circuit for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission line

Abstract

An encoding element (109, 111, 113) and a decoding arrangement (110, 112, 114) is included with each separate circuit (104, 105, 106) in a system (100) of circuits which must communicate digital signals with each other. The encoding devices (109, 111, 113) included with the separate circuits (104, 105, 106) cooperate to produce an encoded signal on a common transmission line or network (108) which interconnects the various circuits. The decoding arrangement (110, 112, 114) associated with each respective circuit receives the encoded signal appearing on the transmission line and decodes the encoded signal to reproduce or recreate the digital data signals transmitted from the other circuits in the system.

Claims17

Dependent claims

An electronic circuit adapted to send a signal to two or more separate electronic circuits over a common transmission line while simultaneously receiving signals from the two or more separate electronic circuits over the common transmission line, the electronic circuit comprising:

(a) signal sending circuitry coupled to an interface node which is adapted to be coupled to the common transmission line, the signal sending circuitry creating a combined signal at the interface node, the combined signal being dependent on the signal from the electronic circuit and the signals simultaneously applied by the two or more separate electronic circuits connected at other points to the common transmission line;
and
(b) decoding circuitry coupled to the interface node, the decoding circuitry detecting the combined signal at the interface node and decoding the signals from the two or more separate electronic circuits responsive to the combined signal.

An electronic system having a first circuit producing a first digital signal, a second circuit producing a second digital signal, and a third circuit producing a third digital signal, the system comprising:

(a) a first circuit encoding element included in the first circuit, a second circuit encoding element included in the second circuit, and a third circuit encoding element included in the third circuit, each respective encoding element connected between a digital signal output of the respective circuit and a common transmission network between the first, second, and third circuits, the first, second, and third encoding elements cooperating to produce an encoded signal on the common transmission network based upon the values of the first, second, and third digital signals, the encoded signal comprising one signal from a set of unique encoded signals with each different signal in the set being representative of a particular combination of the first, second, and third digital signals;
and
(b) a first circuit decoding arrangement included with the first circuit, a second circuit decoding arrangement included with the second circuit, and a third circuit decoding arrangement included with the third circuit, the respective decoding arrangement for each respective circuit for decoding the encoded signal to produce the digital signals produced by each other circuit in the system.

Dependencies are inferred from the claim text.

Circuit for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission line

Life of this patent

Circuit for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission line

Life of this patent

Abstract

Claims17