Encoding system for determining the position of a cylinder rod a

Details Encoding system for determining the position of a cylinder rod a Encoding system for determining the position of a cylinder rod a

1998-06-02

2000-11-14

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356375, 341 9, G01D 534

Patent

active

061473421

ABSTRACT:
An encoding system for determining the position of a cylinder rod along a path of movement, the encoding system including a sequence of code segments located on the rod along the path of movement, each of the code segments including a distinct pattern of marks extending from a starting position in a direction transverse to the path of movement and identifying the position of the code segment on the rod, the encoding system further including at least one mark on the rod extending substantially continuously along the path of movement in predetermined relation to the starting positions of the patterns of marks for indicating the locations thereof.

REFERENCES:
patent: 4633224 (1986-12-01), Gipp et al.
patent: 4701615 (1987-10-01), Schmitt
patent: 4879555 (1989-11-01), Ichikawa et al.
patent: 4901073 (1990-02-01), Kibrick
patent: 5539993 (1996-07-01), Kilpinen et al.
patent: 5632916 (1997-05-01), Lappalainen et al.

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