Gte Automatic Electric Labs Inc.

Ael Microtel, Ltd.

Kam B Tin

Stanley R Norman

A circuit which controls access of host and remote processors to a single memory. A first flip-flop indicates acceptance or refusal of the processor's memory access requests. A second flip-flop provides a wait signal to the host processor when the remote processor is accessing the memory. A gating circuit causes the first flip-flop to accept the remote processor's access request when both the host and remote processors request memory access at the same time.

Memory access control circuit

An access circuit for use in a computer input-output channel. Retriggerable mono-stable multivibrators are used to provide access timing periods during which an input-output device can access a computer channel to the exclusion of other input-output devices.

Computer channel access circuit for multiple input-output devices

A noise eliminator circuit for use in a decoding circuit. A flip-flop is used to delay a first pulse train by the pulse width of a second pulse train so that pulse level transitions of the first pulse train occur non-coincident with the pulse level transitions of a synchronously generated third pulse train.

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Burnaby, Canada

Kam B Tin