Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1990-11-09
1993-03-30
Reinhart, Mark J.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
355 20, 346108, H04N 121
Patent
active
051988437
ABSTRACT:
An optical marking system is disclosed, in which a light beam of a preset wavelength is generated by a light source. An optical system receives the light beam generated by the light source and directs the received light beam in a present direction. A pattern generator includes a pattern forming section and a non-pattern forming section. Further, a control section controls the optical system to effect a first mode, in which the light beam is directed to the pattern forming section of the pattern generator, to form a predetermined pattern and a second mode, in which the light beam is directed to the non-pattern forming section of the pattern generator. The first and second modes are effected in a preset sequence.
REFERENCES:
patent: 4314261 (1982-02-01), Martinage
patent: 4379631 (1983-04-01), Kitamura
patent: 4901109 (1990-02-01), Mitome et al.
M. J. Weiner, Technical Paper, "Product Marking with Nd; Yag and CO.sub.2 Laser", 1976, pp. 1-11, MR76-853.
John A. Nilson, Technical Paper, "Image Micro-Machining with Tea CO.sub.2 Lasers", 1975, pp. 1-pp. 10, MR75-584.
Fujimori Yasutomo
Ishida Shuichi
Ito Hiroshi
Kabushiki Kaisha Toshiba
Reinhart Mark J.
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