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Patent

Method and apparatus for generating phase locked digital clock signals

TLDR
In this article, a method and apparatus for generating two phase-locked digital clocks of different word rates was presented for a graphic and alphanumeric computer display terminal, where the master and slave clock generators were used to generate output pulses at every N-th and M-th clocks of a common clock.
Abstract
@ A method and apparatus for generating two phase locked digital clocks of different word rates particularly suited for a graphic and alphanumeric computer display terminal. Master and slave clock generators are used to generate output pulses at every N-th and M-th clocks of a common clock. A phase lock loop including the master clock generator and a phase lock counter dividing the common clock by the factor of the least common multiple of N and M is used to synchronize the slave clock generator.

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Citations
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Patent

Method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith

TL;DR: In this article, a method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith is presented, where each of the display devices displays an image under the control of a distinct clock having distinct clock rate.
Patent

Slave clock generation system and method for synchronous telecommunications networks

TL;DR: In this paper, a slave clock generation system and a method suitable for use with synchronous telecommunications networks was proposed, where a multiplexer (20) selects a reference clock from a number of available sources (12), each of which can be at its own spot frequency, based on a predetermined selection order.
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Method and system for synchronizing multiple subsystems using one voltage-controlled oscillator

TL;DR: In this paper, a method for synchronizing multiple subsystems using one voltage-controlled oscillator was proposed, which includes transmitting a phase and frequency aligned output of a voltage controller oscillator to each subsystem within a digital system.
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Synchronous clock frequency conversion circuit

TL;DR: In this paper, a conversion system that provides compatibility between the internal system bus architecture of one computer and an external bus that operates on a different frequency includes a clock logic circuit for generating a clock signal that is synchronized with the internal clock for the computer system.
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Method and system for reduced metastability between devices which communicate and operate at different clock frequencies

TL;DR: In this article, a method and system for improved communication between devices is presented for the detection of metastability due to the difference between the first clock rate and the second clock rate.
References
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Patent

Programmable multiple frequency ratio synchronous clock signal generator circuit and method

TL;DR: In this article, a circuit and method for providing two or more synchronous clock signals whose respective frequency ratios can be readily changed with respect to a master clock signal frequency is presented.
Patent

Clock synchronization signal generating circuit

TL;DR: In this article, the scale variable counter is selectively set to (n-1)-, n- or (n+1)-scale mode responsive to the control signal from the control circuit to generate an output signal which is clock-synchronized with the input clock signal.
Patent

Procede et dispositif de synchronisation d'une frequence de commande avec une frequence etalon et leur application a la chronometrie

TL;DR: Synchronisation par blocage en phase Pour obtenir une frequence appropriee, p ex 786 432 Hz (= 3 x 2**18) a partir d'une frequence etalon, P ex celle de 77 500 Hz (= 31 x 5 *4 *4 x 2 *2 *2) d'un radioemetteur, on multiplie cette derniere par les facteurs premiers qui lui manquent, puis on la divise par ceux qu'elle renferme en trop Ici on multipl