Patent
Fiber-optic circuit element
Mark Johnson,Reinhard Dr Ulrich +1 more
- 18 Aug 1978
49
TL;DR: In this article, a fiber-optic circuit element is provided of the type for coupling signal ght from a first optical fiber to at least one second optical fiber wherein one of the optical fibers has a free end which is controllable to be in or out of alignment with the other fibers.
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Abstract: A fiber-optic circuit element is provided of the type for coupling signal ght from a first optical fiber to at least one second optical fiber wherein at least one of the optical fibers has a free end which is controllably movable to be in or out of alignment with the other fibers. Movement of the free end of the fiber is achieved by an expansion layer applied to the fiber and acting as a heatable bimetallic element. Heating of the expansion layer can be achieved by absorption of electromagnetic radiation, including an independent source of control light and/or a portion of the signal light itself. Electrical heating mechanisms can also be used. This circuit element can be advantageously used without limit in optical switches, astable multivibrators, bistable multivibrators, optical resonators, and environmental temperature and pressure detectors.
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Citations
Patent
System and method for augmented and virtual reality
Samuel A. Miller
- 11 Mar 2014
TL;DR: In this article, the authors present a system for enabling two or more users to interact within a virtual world comprising virtual world data, comprising a computer network comprising one or more computing devices, including memory, processing circuitry, and software stored at least in part in the memory and executable by the processing circuitry.
686
Patent
Positioning device for optical system element
Herman W. Willemsen,Grantley Oliver Este +1 more
- 08 Mar 1982
TL;DR: In this paper, a device for accurately positioning an optical system element using an array of electromagnets to alter fluid pressure distribution in a mass of ferromagnetic fluid is described.
79
Patent
Piezoelectric apparatus for positioning optical fibers
Herzl Laor
- 13 Jul 1984
TL;DR: In this paper, a bender assembly including at least one piezoelectric bender element and having a first end thereof arranged for association with one or more optical fiber ends and a second end thereof located at a reference position is described.
58
Patent
Fiber optic switching system and method
Edward V. LaBudde
- 12 Jul 1985
TL;DR: In this paper, a fiber optic switching system and method is described which is capable of rapidly switching among a number of closely spaced optical rods for optical connection with a communications channel, while alleviating alignment problems caused by vibration and similar environmental conditions.
48
Patent
Systems and methods for a plurality of users to interact with each other in augmented or virtual reality systems
Samuel A. Miller,Rony Abovitz +1 more
- 02 May 2015
TL;DR: In this paper, the authors present a system for enabling two or more users to interact within a virtual world comprising virtual world data, comprising a computer network comprising one or more computing devices, including memory, processing circuitry, and software stored at least in part in the memory and executable by the processing circuitry.
41
References
Patent
Electrostatic optical switch with electrical connection to coated optical fiber
Andres Albanese
- 25 Aug 1977
TL;DR: In this paper, the first optical fiber is coated with an electrically conductive substance which is electrically switched to a positive or negative side of a DC voltage source, depending on the resulting polarity of the first fiber coating.
33