Resources Contact Us Home
Fiber optics transmission system

Image Number 5 for United States Patent #5812296.

In a fiber optics transmission system in which a plurality of access units are cascade-connected via up-link and down-link optical fiber lines and connected to a base unit, the base unit has a beat noise detector and a noise information generator and, upon detection of beat noise, noise information is sent to each access unit over the optical fiber lines. Each access unit has a random signal generator for generating a random value in response to the noise information and a wavelength control circuit for randomly selecting and controlling the oscillation wavelength of a laser diode, and each access unit repeats random wavelength selection until the noise information is reduced.

  Recently Added Patents
Process for preparing substituted aromatic carboxylic acids
Accessory sleeve
Latch-up free ESD protection
Image sensor pixels with junction gate photodiodes
Detection of procedural deficiency across multiple business applications
Filler containing composition and process for production and use thereof
Semiconductor memory device, test circuit, and test operation method thereof
  Randomly Featured Patents
Medical examination cart
Dual-mode image interpolation filter operable in a first mode for storing interpolation coefficients and in a second mode for effecting television standards conversion at a pixel rate
Perovskite ceramic and fabrication method thereof
Apparatus for separating non-metallic substrates
Marine vessel fuel system with a fuel pump attached to an external surface of a fuel tank
Beverage and accessories pouch
Yarn fault detectors
Method of forming amidophosphates in aqueous solutions
Electronic components feeder
Watertight friction fit battery cap with cam removal