Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL109827CpublicationCriticalpatent/NL109827C/xx
E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
E01C19/27—Rollers therefor; Such rollers usable also for compacting soil with elastically-deformable rolling elements, e.g. pneumatic tyres
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L12/00—Data switching networks
H04L12/02—Details
H04L12/06—Answer-back mechanisms or circuits
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
H04L17/02—Apparatus or circuits at the transmitting end
Schaltungsanordnung zum Erzeugen von zyklisch wiederkehrenden Zeichen bestimmter Wiederholungsfrequenz in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen