The present invention includes time delay devices and time delay systems. The invention also includes machines and instruments using those aspects of the invention. The invention may also be used to upgrade, repair, or retrofit existing machines or instruments, using methods and components known in the...http://www.google.fr/patents/US6525889?utm_source=gb-gplus-shareBrevet US6525889 - Device and method for producing optically-controlled incremental time delays
Device and method for producing optically-controlled incremental time delays
