Bidirectional transmission data line connecting information processing equipment

Claim 3

The apparatus of claim 1 wherein each of said transmitter-receiver pair logic circuits comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct onto its output the information signals from said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 4

The transmitter-receiver pair logic circuit of claim 2 wherein both said transmit logic AND-gate and said receive logic AND-gate comprise a grounded base amplifier controlled by a current mode logic gate.

Claim 5

The transmitter-receiver pair logic circuit of claim 2 wherein said receive logic AND-gate and said transmit logic AND-gate both comprise: first, second and third transistors each having a base, a collector and an emitter; first, second and third reference potentials; first and second resistors; said emitter of said first, second and third transistors being connected to said second reference potential via said first resistor; said collector of said first and second transistor being connected to said first reference potential via said second resistor; said base of said first transistor being connected to said information signal; said base of said second transistor being connected to said transmit control signal; said base of said third transistor being connected to said third reference potential; said collector of said third transistor being connected to an output lead.

Claim 6

In a data processing system, the apparatus comprising: a system controller module having a plurality of communicating ports for transmitting data information signals out of said system controller module and for receiving data information signals into said system controller module; a system module requiring communication with said system controller module, said system module having a plurality of communicating ports for transmitting data informatIon signals to said system controller module and for receiving said data information signals from said system controller module, each communicating port in said system module corresponding to one communicating port in said system controller module; at least one transmitter-receiver pair logic circuit located in each communicating port in said system controller module and in each communicating port in said system module for transmitting and receiving the information signals wherein said transmitter-receiver pair logic circuit includes a transmitter logic circuit and a receiver logic circuit both having the same circuit construction; and at least one single lead bidirectional transmission line connected on one end to one transmitter-receiver pair logic circuit located in said system controller module and connected on its other end to a corresponding transmitter-receiver pair logic circuit located in said system module.

Claim 7

In a data processing system, the apparatus comprising: a system controller module having a plurality of communicating ports for transmitting data information signals out of said system controller module and for receiving data information signals into said system controller module; a system module requiring communication with said system controller module, said system module having a plurality of communicating ports for transmitting data informatIon signals to said system controller module and for receiving said data information signals from said system controller module, each communicating port in said system module corresponding to one communicating port in said system controller module; at least one transmitter-receiver pair logic circuit located in each communicating port in said system controller module and in each communicating port in said system module for transmitting and receiving the information signals wherein said transmitter-receiver pair logic circuit includes a transmitter logic circuit and a receiver logic circuit both having the same circuit construction; and at least one single lead bidirectional transmission line connected on one end to one transmitter-receiver pair logic circuit located in said system controller module and connected on its other end to a corresponding transmitter-receiver pair logic circuit located in said system module.

Claim 8

The apparatus of claim 5 wherein said transmitter-receiver pair logic circuit comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said data information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct the data information signals from said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 11

The apparatus of claim 7 wherein each of said transmitter-receiver pair logic circuits comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said data information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct the data information signals from said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 12

In a data processing system, the apparatus for transferring data information signals including a plurality of information bit signals, said apparatus comprising: a system controller module having a plurality of communicating ports; a system module requiring two-way communication with said system controller module, said system module having a plurality of communicating ports; a plurality of transmitter-receiver pair logic circuits located within each of said plurality of communicating ports of said system controller module and said system module, each including a transmitter logic circuit and a receIver logic circuit both having the same circuit construction, one of said transmitter-receiver pair of logic circuits in each of said plurality of communicating ports of said system controller module and said system module transmitting and receiving one particular information bit signal; a plurality of data buses located within said system controller module and said system module, and interconnecting all of said transmitter-receiver pair logic circuits transmitting and receiving the same particular bit of information; and a plurality of single lead bidirectional transmission lines, each individually connected on one end to one of said plurality of data buses located within said system controller and connected on the other end to one of said plurality of data buses located within said system module and each transferring one information bit signal to and from said system module and said system controller module.

Claim 13

In a data processing system, the apparatus for transferring data information signals including a plurality of information bit signals, said apparatus comprising: a system controller module having a plurality of communicating ports; a system module requiring two-way communication with said system controller module, said system module having a plurality of communicating ports; a plurality of transmitter-receiver pair logic circuits located within each of said plurality of communicating ports of said system controller module and said system module, each including a transmitter logic circuit and a receIver logic circuit both having the same circuit construction, one of said transmitter-receiver pair of logic circuits in each of said plurality of communicating ports of said system controller module and said system module transmitting and receiving one particular information bit signal; a plurality of data buses located within said system controller module and said system module, and interconnecting all of said transmitter-receiver pair logic circuits transmitting and receiving the same particular bit of information; and a plurality of single lead bidirectional transmission lines, each individually connected on one end to one of said plurality of data buses located within said system controller and connected on the other end to one of said plurality of data buses located within said system module and each transferring one information bit signal to and from said system module and said system controller module.

Claim 14

The apparatus of claim 9 wherein each of said transmitter-receiver pair logic circuits comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said data information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct the data information signals from said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 15

Apparatus for providing a two-way parallel transfer of a data information signal having a plurality of information bits between modules of the data processing system, said apparatus comprising: a plurality of communicating ports located within each of said modules; a plurality of transmitter-receiver pair logic circuits located within each of said plurality of communicating ports, one of said plurality of transmitter-receiver pair logic circuits within each of said plurality of communicating ports provided for transmitting and receiving a particular one of said plurality of information bits; a plurality of data buses located in each of said modules, each interconnecting a particular one of said transmitter-receiver pair logic circuits from each of said communicating ports located within one module according to the particular information bit to be transmitted and received; and a plurality of single lead bidirectional transmission lines, each individual one of said plurality of single lead bidirectional lines connected on one end to a particular one of said plurality of data buses in one of said modules for transmitting and receiving a particular information bit and connected on the other end to a particular one of said plurality of data buses located within a second module for transmitting and receiving said particular information bit.

Claim 16

Apparatus for providing a two-way parallel transfer of a data information signal having a plurality of information bits between modules of the data processing system, said apparatus comprising: a plurality of communicating ports located within each of said modules; a plurality of transmitter-receiver pair logic circuits located within each of said plurality of communicating ports, one of said plurality of transmitter-receiver pair logic circuits within each of said plurality of communicating ports provided for transmitting and receiving a particular one of said plurality of information bits; a plurality of data buses located in each of said modules, each interconnecting a particular one of said transmitter-receiver pair logic circuits from each of said communicating ports located within one module according to the particular information bit to be transmitted and received; and a plurality of single lead bidirectional transmission lines, each individual one of said plurality of single lead bidirectional lines connected on one end to a particular one of said plurality of data buses in one of said modules for transmitting and receiving a particular information bit and connected on the other end to a particular one of said plurality of data buses located within a second module for transmitting and receiving said particular information bit.

Claim 17

The apparatus of claim 11 wherein each of said transmitter-receiver pair logic circuits comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said data information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct the data information signals from said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 18

In a data processing system, the apparatus for providing two-way communication of data information signals having a plurality of information bits, said apparatus comprising: a system controller module having a plurality of communicating ports; a system module having a plurality of communicating ports; a plurality of transmitter-receiver pair logic circuits, at least one transmitter-receiver pair logic circuit located in each of said communicating ports for transmitting and receiving data information signals; a data bus box having a system controller section and a system section, said system controller section including at least one transmitter-receiver pair logic circuit for each of said plurality of communicating ports in said system controller module, said system section including at least one transmitter-receiver pair logic circuit for each of said plurality of communicating ports in said system module; a plurality of single lead bidirectional transmission lines, an individual one of a group of said transmission lines connected on one end to one transmitter-receiver pair logic circuit in said communicating port in said system controller module and connected on its other end to one of said transmitter-receiver pair logic circuits in said system controller section of said data bus box for each of said information bits, another group of said transmission lines individually connected on one end to one transmitter-receiver pair logic circuit in said communicating port in said system module and connected on its other end to one of said transmitter-receiver pair logic circuits in said system section of said data bus box for each of said information bits; and at least one data bus interconnecting the transmitter-receiver pair logic circuits in said system controller section to the transmitter-receiver pair logic circuits in said systems section in said data bus box.

Claim 19

In a data processing system, the apparatus for providing two-way communication of data information signals having a plurality of information bits, said apparatus comprising: a system controller module having a plurality of communicating ports; a system module having a plurality of communicating ports; a plurality of transmitter-receiver pair logic circuits, at least one transmitter-receiver pair logic circuit located in each of said communicating ports for transmitting and receiving data information signals; a data bus box having a system controller section and a system section, said system controller section including at least one transmitter-receiver pair logic circuit for each of said plurality of communicating ports in said system controller module, said system section including at least one transmitter-receiver pair logic circuit for each of said plurality of communicating ports in said system module; a plurality of single lead bidirectional transmission lines, an individual one of a group of said transmission lines connected on one end to one transmitter-receiver pair logic circuit in said communicating port in said system controller module and connected on its other end to one of said transmitter-receiver pair logic circuits in said system controller section of said data bus box for each of said information bits, another group of said transmission lines individually connected on one end to one transmitter-receiver pair logic circuit in said communicating port in said system module and connected on its other end to one of said transmitter-receiver pair logic circuits in said system section of said data bus box for each of said information bits; and at least one data bus interconnecting the transmitter-receiver pair logic circuits in said system controller section to the transmitter-receiver pair logic circuits in said systems section in said data bus box.

Claim 20

The apparatus of claim 13 wherein each of said transmitter-receiver pair logic circuits comprises: a transmit AND-gate having its output connected to said bidirectional transmission line, said transmit AND-gate controlled by a transmit control signal to direct said data information signals onto said transmission line; and a receive logic AND-gate having an input leg connected to said transmission line, said receive logic AND-gate controlled by a receive control signal to direct the data information signals form said transmission line for utilization within said module containing said transmitter-receiver pair logic circuit.

Claim 21

The transmitter-receiver pair logic circuit of claim 14 wherein both said transmit logic AND-gate and said receive logic AND-gate comprises a grounded base amplifier controlled by a current mode logic gate.