Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1990-06-18
1991-06-18
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
356152, G01B 1126
Patent
active
050251490
ABSTRACT:
An integrated multi-spectral target generator for use with electro-optical systems that comprise visible and infrared sensors and a laser designator. A pinhole is illuminated with a multiband source to produce a single visible and infrared target which is detected by visible and infrared sensors. A pair of beamsplitters and an associated corner reflector precisely define the parallelism of the visible and infrared radiation transmitted from the multiband source along an optical axis. A reflective telescope is used to project the visible radiation to the visible sensor and the infrared radiation, in conjunction with a periscope, to the infrared sensor. The target generator does not require precision stabilization and uses a single inherently parallel path to generate visible and infrared boresight targets. The target generator enables a boresight procedure to be completed in about ten seconds without firing the laser designator.
REFERENCES:
patent: 4155096 (1979-05-01), Thomas et al.
patent: 4811061 (1989-03-01), Sud et al.
patent: 4867560 (1989-09-01), Kunitsugu
patent: 4917490 (1990-04-01), Schaffer, Jr. et al.
Denson-Low W. K.
Hannaher Constantine
Hughes Aircraft Company
Lachman M. E.
Streeter W. J.
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