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DIFF Subgroup
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:

IPC:

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

CPC:

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.