Optics: measuring and testing – Angle measuring or angular axial alignment – Alignment of axes nominally coaxial
Patent
1980-09-12
1983-07-05
Punter, William H.
Optics: measuring and testing
Angle measuring or angular axial alignment
Alignment of axes nominally coaxial
219121LU, G01B 1127
Patent
active
043915191
ABSTRACT:
A laser beam axis monitoring apparatus which includes a laser oscillator generating a laser beam and a light generator for generating a light for monitoring an axis of the laser. The light from the light generator is split into ring-shaped light and reflected or lead into the laser oscillator. The light in the laser oscillator is reflected by a total reflection mirror and passes out of the oscillator so that the axis of the laser beam and axis of the light coincide with each other.
REFERENCES:
patent: 3571748 (1971-03-01), Koester
patent: 3892488 (1975-07-01), Edmonds
patent: 4208636 (1980-06-01), German
Kuwabara Kouji
Sasaki Kouji
Shirakura Toshiharu
Sugawara Hiroyuki
Takemori Satoshi
Hitachi , Ltd.
Punter William H.
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