The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 1977
Filed:
Jan. 30, 1976
Otakar Anthony Horna, Bethesda, MD (US);
Communications Satellite Corporation (Comsat), Washington, DC (US);
Abstract
A sinewave clock distribution network and a clock driver for use in the network permit simplified distribution and synchronization in very high speed logic and digital transmission systems. The sinewave central clock is connected through a branching network to a plurality of clock drivers located in the vicinity of digital circuits to which clock pulses are to be supplied. Each clock driver includes a receiver amplifier which is AC coupled to the clock line. The output of the receiver amplifier is connected to a phase shift RC network which includes an adjustable capacitance. By adjusting the capacitance in the RC network, the timing or delay of the clock signal can be varied to permit synchronization of the clock signals at various points in the distribution network. The phase delayed signal from the RC network is coupled to a limiter which limits the input sinewave to form a squarewave for use by the digital circuits.