Infrared ray action demonstration apparatus for teaching

The utility model discloses an infrared function demonstrating device. The utility model is provided with a lens barrel. The front end of the lens barrel is provided with an infrared filter and a high-aperture lens, and the back end of the lens barrel is provided with a fixing frame of a receiver. T...

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Bibliographic Details
Main Authors WANG RENSHAN, LUO JIAHONG, SHEN YONGHANG
Format Patent
LanguageEnglish
Published 05.07.1995
Edition5
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
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Summary:The utility model discloses an infrared function demonstrating device. The utility model is provided with a lens barrel. The front end of the lens barrel is provided with an infrared filter and a high-aperture lens, and the back end of the lens barrel is provided with a fixing frame of a receiver. The lens barrel is positioned on a bracket with a base, and the lens barrel is fixed by lock screws. The threaded connection is adopted between the infrared filter, the high-aperture lens and the lens barrel. The fixing frame of the receiver is provided with a front and back adjusting device. The lens barrel can carry out the pitching rotation around the horizontal shaft of the bracket, and the lens barrel can be positioned at the desired position so as to aim at the sun at any high angle and other light sources emitting continuous spectrum. The utility model has the advantages of compact structure, convenient operation, vivid and visual effects and multiple functions.
Bibliography:Application Number: CN1994210994U