using movable reflectors to alter length of light path

Introduced: September 1968

Title

Titles differ between systems:

IPC: using movable reflectors to alter length of light-path

CPC: using movable reflectors to alter length of light path

Full Title

Full titles differ between systems:

IPC:

Focusing arrangements of general interest for cameras, projectors or printers > adjusting position of image plane without moving lens > using movable reflectors to alter length of light-path

CPC:

Focusing arrangements of general interest for cameras, projectors or printers > adjusting position of image plane without moving lens > using movable reflectors to alter length of light path

No child classifications to compare. This is a leaf node in both IPC and CPC.