Matches 51 - 61 out of 61 < 1 2


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5212591 Focusing mechanism for binoculars  
In binoculars employing a pair of telephotographic optical systems with their respective optical axes being arranged in parallel to each other, the telephotographic optical systems having a lens...
5212592 Adjusted focus holding mechanism for binocular  
An adjusted-focus holding mechanism for a binocular having a rotatable focus adjustment turning wheel (1), including an engageable locking member (2) provided between an immovable member (13) and...
5181139 Retractable binoculars attachable to a visor  
Retractable binoculars, to be used in combination with and attached to a visor, the binoculars being structured and fitted to be positioned between a collapsed, out of the way position on the...
5150255 Binocular with shading device  
A binocular including two collapsible telescopes mounted to a hat for pivotal movement between a downward extended viewing position and an upward retracted storage position.
4986644 Wearable binoculars  
A pair of wearable binoculars with dual functions of adjusting focus and eye relief, capable of adjusting the focus for a single eye separately, and suitable for leisure purposes such as watching...
4807985 Automatic focusing system for telescopes  
An automatic focusing system for a terrestrial telescope comprises a frame worn on the head of a person, a fixed frame part mounted to the frame in viewing relationship to an eye of the wearer, a...
4770515 Optical viewing or projection device  
Optical viewing or projection device, comprising at least two objectives (L1 L2) whose optical axes (x1 x'1 ; x2 x'2) are parallel to a general axis of symmetry (xx') of the device, endowed with a...
4449787 Night vision imaging system adapted for helmet mounting  
There is disclosed a night vision imaging system for mounting on a helmet. The helmet contains a visor having a slot into which is inserted a helmet mount assembly which can be vertically adjusted...
3597041 HEAD SUPPORTED BINOCULAR INSTRUMENT WITH REPLACEABLE LENSES WORN AS GLASSES  
The binocularlike viewer has a casing that fits the forehead of the wearer and is held on by a pair of temples. There is a removable front transparent shield. The casing has bottom and top halves....
3425769 ORALLY OPERATED BINOCULAR CONTROL MEANS  
3410638 Spectacle frame with rear view telescopes and temple mounted optical fiber rods  

Matches 51 - 61 out of 61 < 1 2