Motorola Corporation

Paul Gran

Marian Stefaniu

Menachem Diamantstein

Zvi Eckstien

Haim Feiner

Julie Greenberg

Uri Gal

Nissim Ben-Dayan

Marian Berinzon

Yechiam Mar-Chaim

Ilana Feiner, Heiress

Haim Feiner, Deceased

A processing unit is provided in the form of a status and control unit which co-operates with a central station via a communications link. The unit is controlled by a microprocessor which is programmed to operate in a functional configuration controlled by the settings of one or more parameters. These parameters may be changed by means of a message transmitted to the unit from the central station.

Supervisory control system

An arrangement for optically coupling separate modules forming part of a multiprocessor system comprises an air-filled substantially cylindrical optical waveguide 1 having a reflective inner wall and apertures 2 therein via which a photoemitter 3 and a photodetector 4 associated with each module can optically communicate with other photoemitters and photodetectors associated with other modules.

Optical coupling arrangements including emitter and detector placed

This invention relates to a signal processing unit typically in the form of a status and control unit forming part of a supervisory control system. The unit monitors status inputs and transmits messages to a central station indicating the status of these inputs and also has control outputs which may be activated on a command from a central station to provide a control function. In response to a predetermined stimulus such as a change of state at a status input the unit generates a new message for a neighboring status and control unit by incrementing or decrementing its own address to obtain a new address for transmission. In this way messages may be transmitted between units as well as between the central station and the units thereby allowing communication to units which lie outside the range of the central station itself. The invention has particular application in supervisory control systems.

Signal processing unit

Growing community of inventors

Kfar Saba, Israel

Paul Gran