Kovach; Dennis E. - US Patent Attorneys and Agents

Attorney: Kovach; Dennis E.

Number of patents: 35
Last date: November 09, 1993

Browse patents
Browse applications

Number	Title	Issue Date
5261024	Card cage used for coupling to telecommunications media A card cage for housing a plurality of circuit boards and passive optical fiber couplers contains a tray for storing express optical fibers or express optical fiber tubes not to be coupled within the card cage but rather expressly routed through a distrib...	11/09/1993
5208693	Transmission protocol for clamping receiver A protocol for fiber-optic communication systems, or other communication systems based on transmission of unipolar pulses having wide dynamic range provides for information to be transmitted in packets having a predictable time slot for each transmitter. ...	05/04/1993
5208893	Optical fiber splice tray and splice holder An optical fiber splice tube holder includes a plurality of torsion bars and cantilever bars which provide a resilient retaining force for an optical fiber splice container to be retained therein. The use of torsion bars helps distribute stress generated ...	05/04/1993
5202553	Enhanced performance optical receiver having means for switching between high and low amplifier configurations A transimpedance front end is provided for an optical receiver which includes a photodetector coupled optically to an optical fiber for receiving optical signals over the fiber and connected electrically to the front end. The front end comprises a buffer ...	04/13/1993
5196712	Printed circuit board apparatus with optical switching A printed circuit board apparatus includes a handle which has an extension plate which extends into an optical switch so as to prevent communication between an optical emitter and optical receiver. To remove the printed circuit board apparatus from its as...	03/23/1993
5193132	Method of coupling light via a coupler on a fiber optic light guide using phase space matching A coupler for a fiber optic light waveguide has phase space matching optics to increase coupling efficiency. The acceptance phase space of the fiber optic waveguide has two components for light in two orthogonal planes. One of the phase space plots has a ...	03/09/1993
5189671	Apparatus and method for formatting variable length data packets for a transmission network A transmit control store is provided for assembling recurrent data packets of information for transmission over an optical fiber communications network from a host digital terminal to a variable number of optical network units, wherein each optical networ...	02/23/1993
5142401	Apparatus and method for a linear, wideband sensitive optical receiver An optical receiver includes a photodetecting device and a wide band video amplifier. The photodetecting device and the video amplifier are coupled by reactive elements which are selected to provide a highly linear and highly sensitive response over a fre...	08/25/1992
5130636	Protective circuit for providing a reference voltage at a backplane A self-correcting protective circuit for providing a reference voltage to a backplane bus wherein the circuit includes a primary transistor, current sensing resistor and diode connected between a supply voltage and the backplane. The combination of a curr...	07/14/1992
5126870	Linear broadband signal generator using primary and secondary optical modulators A linear optical broadband signal generator includes primary and secondary optical modulators whose outputs are combined so as to minimize intermodulation distortion of a modulated optical signal. A constant amplitude optical signal is split differentiall...	06/30/1992
5080506	Optical fiber tap for monitoring laser input power An output of a light source coupled to an optical fiber is controlled by an apparatus comprising a mode stripper for stripping a first part of the optical signal from the cladding of the optical fiber, means for bending the optical fiber and withdrawing a...	01/14/1992
5069516	Telecommunications closures An optical fiber enclosure for a pedestal environment includes a pedestal which slideably supports a closure within the pedestal along a vertical direction so that during freeze-thaw envionrmental conditions when the pedestal is raised and lowered by expa...	12/03/1991
5066139	Coupler verification test circuit A coupler verification test circuit includes first and second circuits one of which is disposed at a head end of an optical fiber network and the other of which is disposed at a subscriber interface unit to be attached to the network when the head end is ...	11/19/1991
5037170	Optical fiber tap utilizing reflector and resilient closure A tap for coupling light from an intermediate portion of an optical fiber core and a light element by passing light through a side of the optical fiber includes an optical coupler in contact with an outside surface of an optical fiber which is bent and di...	08/06/1991
5036189	Thermal control for laser diode used in outside plant communications terminal A method and apparatus implementing the method are provided for controlling optical power output level of a laser diode modulated during a burst mode interval by digital data transitions within a shared logical bus optical communications network and over ...	07/30/1991
5029962	Optical fiber tap utilizing reflector and resilient closure A tap for coupling light from an intermediate portion of an optical fiber core and a light element by passing light through a side of the optical fiber includes an optical coupler in contact with an outside surface of an optical fiber which is bent and di...	07/09/1991
5016969	Mechanism for nesting an optical fiber in an optical coupler and providing positive stop opening and closing positions for the coupler An optical coupler for coupling light between an optical fiber core and an electrooptic transducer includes a pin and channel arrangement associated with a mechanism for opening and closing the coupler. At one position the pin engages an end of the channe...	05/21/1991
5013118	Filtering high order modes of short wavelength signals propagating in long wavelength single mode fibers An optical fiber network includes a single mode silica core/cladding optical fiber having a cutoff wavelength in the range of about 1000-1200 nanometers, and a plurality of optical couplers serially disposed on the optical fiber so as to form a bus networ...	05/07/1991
4981334	Compact optical fiber coupler An optical coupler for coupling light between a light emitter and an optical fiber includes a substrate for maintaining a bend in an optical fiber through which light can be coupled between an optical fiber core and the light emitter. The substrate includ...	01/01/1991
4978194	Stepped cable block A cable block for telecommunications cable includes first and second half shell members which together form a substantially cylindrical stepped longitudinal bore therethrough, portions of the bore being sealingly engaged against progressive stripped outer...	12/18/1990
4975929	Clock recovery apparatus A digital phase acquisition circuit includes logic for detecting an edge of incoming data and a plurality of candidate clock phases, the circuitry further including logic for determining when the data undergoes a phase transition and at least one candidat...	12/04/1990
4959846	Clock recovery apparatus including a clock frequency adjuster A digital phase acquisition circuit includes circuits for detecting an edge of incoming data and a plurality of candidate clock phases, the circuitry further including logic for determining when the data undergoes a predetermined phase transition and at l...	09/25/1990
4735480	Optical fiber connector A connector for optically connecting first and second optical fiber contacts terminating first and second optical fibers includes a split ring comprising first and second split ring halves disposed around each of the contacts such that an enlarged interna...	04/05/1988
4718678	Method and article for sealing protection of terminal blocks A method of environmentally sealing an indented surface comprises applying a sealing material, e.g. a gel to the surface, together with an elastically deformable means, e.g. a foam. The elastically deformable means is capable of maintaining the sealing ma...	01/12/1988
4717355	Coaxial connector moisture seal A plug for sealing an end of a coupling assembly secured to an end of a coaxial cable includes a flange having an end face which has a cross-sectional area substantially less than a cross-sectional area of a threaded portion of the plug, the end face bein...	01/05/1988
4701574	Cable sealing apparatus A cable end seal and a closure which includes the cable end seal provides a barrier for a junction against water, the junction being in a cable. First and second end seals are disposed adjacent opposite sides of the junction and palced in compression arou...	10/20/1987
4648680	Drop-wire closure having first and second cams A closure includes pivoted cams which partially define variable-sized passageways. Each of the variable-sized passageways is suitably configured for receiving a cable. The cams pivot and decrease the size of the passageways in response to pull-out forces ...	03/10/1987
4624519	Drop-wire closure having insulation-piercing means A drop-wire connector includes a single pivoted cam having insulation-piercing teeth on opposite surfaces thereof and variable-sized passageways for receiving cables to be connected. The insulation-piercing teeth pierce and electrically interconnect the c...	11/25/1986
4504114	Method of transmitting UV light through optical fibers A method of transmitting light which has a substantial component having a wavelength below 300 nm includes passing said light through an optical fiber which has a core of synthetic fused silica containing between 500 and 1500 ppm water and a cladding of f...	03/12/1985
4499129	Partially recoverable closure A wraparound recoverable closure, wherein a portion of the closure is not recovered against a substrate, which has a flap to seal across the gap between the abutting edge portions of the closure. Where the closure does not recover against and contact a su...	02/12/1985
4498732	Fiber optic splice organizer A method and device for organizing a bight of an optical fiber and the like at a splice or slack point is provided. The method comprises wrapping the bight about a cylindrical core to form a helix or a pair of helices of opposite handedness, thereby both ...	02/12/1985
4478252	Device for enclosing objects A device for enclosing elongate objects comprises a dimensionally-recoverable cover which can be wrapped-around the object and closed by means of closure elements located on the cover. The closure elements are preferably in the form of a row of protuberan...	10/23/1984
4478486	Fiber optic splice organizer A method and device for organizing the bight of an optical fiber and the like at a splice or slack point is provided. The method comprises laying the bight on a sheet in such a fashion that, when the sheet is wrapped about itself (and, generally, about a ...	10/23/1984
4472222	Recoverable closure assembly An assembly for sealing and protection of cable splices comprising a recoverable, preferably heat-recoverable outer sleeve 5 surrounding a cable or other body 1; a thermoplastic support layer 7 surrounding the body 1 and within the sleeve 5; and a heat ba...	09/18/1984
4472135	Flame coloring device A flame coloring device makes a flame, such as a flame from a propane burner, visible even when the burner is used outdoors or in a bright environment. The device includes a carrier adapted for placement on the burner barrel and a solid colorant emitter s...	09/18/1984

PatentStorm

Quotables

PatentStorm News

Attorney: Kovach; Dennis E.