Electronic systems and effective reduction of electromagnetic in

Details Electronic systems and effective reduction of electromagnetic in Electronic systems and effective reduction of electromagnetic in

1989-07-06

1991-02-26

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

375108, H04J 306

Patent

active

049966847

ABSTRACT:
An electronic system includes at least one element which is operative in response to clock signal pulses, of less than a maximum frequency of occurrence, from a clock signal source. A dither means is connected to the clock signal source for causing the frequency of occurrence to be varied such that electromagnetic radiation which accompanies the normal operation of the system is of a lesser interference effect than if the frequency of occurrence were substantially monotonous.

REFERENCES:
patent: 3388349 (1968-06-01), Ault
patent: 4069399 (1978-01-01), Barrett et al.
patent: 4507796 (1985-03-01), Stumfall
patent: 4679867 (1987-07-01), Heldenbrand et al.
patent: 4873682 (1989-10-01), Irwin et al.
"Transmission Systems for Communications", Third Edition, Bell Telephone Laboratories Incorporated, 1964, (Ch. 19).
"Frequency Modulated Clock for Data Processor for Test for Electromagnetic Radiation and Electromagnetic Compatibility", IBM Technical Disclosure Bulletin, vol. 26, No. 1, Jun. 1983, p. 341.

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