Optical: systems and elements – Compound lens system – Telescope
Reexamination Certificate
2007-03-13
2007-03-13
Lavarias, Arnel (Department: 2872)
Optical: systems and elements
Compound lens system
Telescope
C359S399000
Reexamination Certificate
active
11123944
ABSTRACT:
A targeting unit is incorporated into the main body of a solar telescope. The targeting image is provided by an aperture facing the sun in the housing of the telescope through which sunlight is received and directed to a transmissive viewing screen placed in the housing on the same side of the telescope's eyepiece. All parts of the targeting system are fixed to the housing of the telescope and removed from accidental contact by personnel operating the telescope, thereby minimizing the chance for events that might cause misalignment. In addition, this configuration makes it possible to easily position both the viewing screen and the eyepiece on the same side of the telescope following any degree of folding of the objective beam.
REFERENCES:
patent: 249022 (1881-11-01), Davis et al.
patent: 2173545 (1939-09-01), Wall
patent: 4027943 (1977-06-01), Everett
patent: 4437736 (1984-03-01), Janosik, Sr.
patent: 6614593 (2003-09-01), Sadler
patent: 2004/0027660 (2004-02-01), Sadler
Hogan, legal representative Geraldine
Serrano Manuel B.
Sidorin Yakov
Coronado Instruments, Inc.
Durando Antonio R.
Lavarias Arnel
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