Title: Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronizing control signals for said separate parts

Abstract: In order to provide respective series of control signals for controlling separate items of apparatus, some of which may be redunant, there are provided a plurality of independently operable signal generators and a plurality of gating circuits connected to the generators and each operable to produce a respective control signal when it receives at least a predetermined number, dependent upon a chosen degree of redundancy of the generators, of correctly timed signals from the generators. Each generator is provided with a phase comparator type timing control device which adjusts the generator if its signals go out of synchronism with those of the other generators. The apparatus to be controlled can be a computer, a multiple-rectifier power supply or the like, and in connecting lines between various parts of the control apparatus and the controlled apparatus isolating devices can be provided.

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Inventors: Ullmann, Werner (Locarno, CH)
Derighetti, Renato (Muralto, CH)
Gagliati, Umberto (Locarno, CH)

Application Number: 521632
Filing Date: 1974-11-07
Publication_date: 1976-06-01
Assignee: A.G. fur industrielle Elektronik AGIE Losone b. Locarno (Losone, CH)
Primary Class(es): 327/292 327/297, 375/356
Other Classes:
US Patent Ref:

3025508	Mar, 1962	Merl et al.	307/204.
3538344	Nov, 1970	Schlisser	207/219.
3737674	Jun, 1973	Butle, Jr.	307/204.
3760284	Sep, 1973	Matejka	207/219.
3836859	Sep, 1974	Behrens et al.	328/75.

Other Refs:
Primary Examiner: Chatmon, Jr., Saxfield
Assistant Examiner:
Attorney: Flynn and Frishauf