Inventor

LEVINSON FRANK H

US47 patents

⚠️ This page may combine multiple inventors who share the name “LEVINSON FRANK H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEVINSON FRANK H

FINISAR CORP

System for scheduling transmission of indexed and requested database tiers on demand at varying repetition rates

Semiconductor laser diode controller and laser diode biasing control method

System and method for transmitting data on return path of a cable television system

Cable television return link system with high data-rate side-band communication channels

Multi-protocol dual fiber link laser diode controller and method

Multi-mode high speed network switch for node-to-node communication

Light mixing device with fiber optic output

2×2 Optical bypass switch

Integrated optical coupler and connector

High speed network switch

Optoelectronic device capable of participating in in-band traffic

Optoelectronic device capable of participating in in-band traffic

Free-space optical isolator with integrated quarter-wave plate

Optical switch using polarization beam splitters

Polarization independent packaging for polarization sensitive optical waveguide amplifier

System and method for transmitting data on return path of a cable television system

Magneto-optic variable optical attenuator

Method and apparatus for stimulating a laser diode in a fiber optic transmitter

Aligning optical components with three degrees of translational freedom

Variable electrochromic optical attenuator

System and method for transmitting data on return path of a cable television system

Optical transceiver package with a liquid crystal variable optical attenuator

AT & T BELL LAB

Optical coupling device utilizing a mirror and cantilevered arm

Optical matrix switch

Optical coupling devices

Reconfigurable collision avoiding system, station and protocol for a two path multiple access digital communications system

Integrated optical circuit package

Optical coupling device

RAYCHEM CORP

Alignment of optical waveguides

Contact for terminating an optical fiber

Dynamic range reduction using mode filter

Bus optical fiber including low mode volume light source optimally aligned

Optical signal recovery for distribution communication system

Method and apparatus for terminating an optical fiber with a curved bore blocking member

LEVINSON FRANK H

Parallel transmission of data streams in a star-configured network

Modular optical device that interfaces with an external controller

Modular controller that interfaces with modular optical device

Computer system with modular optical devices

Modular optical device with mixed signal interface

RAYNET CORP

D-shaped fiber

Monitoring fiber bend loss characteristics during manufacture

Optical fiber connector structure

AMP INC

Fiber optic switching network

Optical eraser and node switch for an optical network

BELL COMMUNICATIONS RES

Interconnection of optical fiber cables

BAYSPEC INC

Optical amplifier with a spectral gain monitor using a volume phase grating

PHOTONIX IND

Apparatus and methods for determining splice effectiveness between two optical fibers using solid gels as coupling enhancers for measuring component attenuation