G01C 3/22 using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
Introduced: September 1968
Title
Titles differ between systems:
IPC: using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by, the object
CPC: using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
Full Title
Full titles differ between systems:
Measuring distances in line of sight; Optical rangefinders > using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by, the object
Measuring distances in line of sight; Optical rangefinders (tapes, chains or wheels for measuring length G01B3/00; active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves, G01S17/48) > using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
No child classifications to compare. This is a leaf node in both IPC and CPC.