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Class 178/46 - Loading coils


Subclass of Class 178 - Telegraphy
Definition: Induction or inductance coils for loading circuits or cables
No. of patents: 21
Last issue date: 09/20/2005


NumberTitleIssue Date
6947529DSL compatible load coil
A load coil is disposed along a local loop for conditioning POTS signals while permitting passage of higher frequency DSL signals with low attenuation. In one embodiment, the load coil includes a coupled inductor having multiple capacitive elements coupled thereto, ...
09/20/2005
6940014Modular electronic equipment enclosure comprising sealed cable interface module
A modular electronic equipment enclosure (10) for housing telecommunications, signaling, or other electronic equipment. The enclosure (10) separates into modules for easier module-by-module installation. The preferred enclosure (10) broadly comp...
09/06/2005
6546100Load coil device
A load coil device for a twisted pair telephone line is disclosed. The device is for compensating distributed stray capacitance in telephone lines that are longer the 18,000 feet. Typically, a load coil device would be inserted in the line every 6,000 fee...
04/08/2003
5768616Apparatus for detecting electro-magnetic stylus signals by inducing current into a plurality of sensor coils using signals transmitted by the tranmitter coil of the stylus
A method and apparatus for detecting the presence of a stylus relative to an active area of a display screen. The method includes the steps of providing a number of sensors which are positioned to define a boundary surrounding an active area of the displa...
06/16/1998
4433208Pressurizable telephone load coil assembly
A pressurizable telephone load coil assembly is made by placing groups of load coils in enclosure packages, connecting conductors of a length of telephone cable to the load coils, binding the enclosure packages together, placing the bound enclosure packag...
02/21/1984
4317006Load coil
Coil cartridge intended for use in a load coil assembly comprises a cylinder housing having a stack of toroidal coils therein. The coil wires extend through a seam in the coil housing to terminal housings mounted on the surface of the coil housing. The te...
02/23/1982
4267404Supporting device for toroidal coil having integral terminal housings
A terminal housing having integral coil supporting means for a toroidal coil comprises a coil support portion having a coil locating post extending therefrom which is received in the center opening of the coil. The housing is integral with a deformable ho...
05/12/1981
4263479Terminated inductive coil assembly
A toroidal coil (21) having two windings (23, 24) is packaged in a housing (22) which includes a first portion (39) having a cylindrical cavity (41) that extends between an open end and a closed end (43) of the first portion for receiving the coil. The ho...
04/21/1981
4260853Method and apparatus for mounting and aligning electrical components
A method and apparatus for mounting and aligning electrical components in a generally cylindrical protective housing including a plurality of generally annular mounting trays having upstanding mounting pins concentrically disposed thereon for receiving an...
04/07/1981
4247739Holder for cylindrical cable sleeves
A holder for providing coils for compensation of local connections of cores of a cable within a cable sleeve characterized by a holding member having a ring-shaped cross section with a splicing space disposed in the interior and with a portion of the hold...
01/27/1981
4195201Inductive coil module
A plurality of inductive coils (FIG. 4; 10--10) are mounted in a coil module (30) which is comprised of an elongated housing (31) having a substantially oval cross section. A potting compound (44) encapsulates the mounted coils (10--10) and a layer of epo...
03/25/1980
4172964Packaged inductive coil assembly
Two stacks of individual loading coils are mounted on the arms of a U-shaped bracket which is supported on a divider wall of a contoured plastic case having a pair of compartments for receiving the coil stacks. The crossarm of the bracket is shaped to fit...
10/30/1979
4172965Packaged inductive coil assembly
A plurality of individual toroidal loading or inductive coils mounted on a fiberglass dowel are positioned within a D-shaped case so that wiring spaces are provided between the peripheries of the coils and the junctures of the arcuate and straight section...
10/30/1979
4137426Loading coil assemblies for communication cables
A loading coil assembly comprises a casing with an end disc at the inlet end which carries a central column extending axially in the casing. At the end of the column remote from the inlet end a support member is mounted, and a plurality of magazines, each...
01/30/1979
4100515Communication circuit having precision capacitor multiplier
A precision capacitor multiplier connected in a communication circuit for balancing transmission facility impedances. The circuit requires only a single precision capacitor, and utilizes a plurality of precision resistors selectable to cause the circuit t...
07/11/1978
4009340Loading coil assemblies for communications cables
A rectangular loading coil case has front, back, side and end panels, with cable entry and exit provided in one end panel, and with a support structure attached to, for example, the front panel and comprising rods extending across the case with a series o...
02/22/1977
4002832Loading coil assemblies for communications cables
Loading coils for communications cables are preloaded into magazines and prewired to terminal strips carried on the magazines. A magazine comprises a length of material, typically extruded or molded plastic material, of a channel shaped cross-section to a...
01/11/1977
3988707Swing out load coil assembly
A load coil assembly housing for use with multiconductor cable containing a plurality of associated pairs of electrical conductors has connector terminals located along the periphery of the region in which load coils are located. That makes the otherwise ...
10/26/1976
3970783Loading coil case and cable connection for communications cables
A cable end connection to a loading coil case has a lead sleeve crimped over the cable end, with a layer of sealing compound between the lead sleeve and the outer protective sheathing of the cable. The metal sheath of the cable is exposed at the cable end...
07/20/1976
3969580Loading coil assemblies for communications cables
A loading coil assembly comprises a casing having discs at each end. At the inlet end a support disc is mounted on and spaced from the end disc and a plurality of assembled magazines holding loading coils is attached at one end of each magazine to the per...
07/13/1976
3952906Case for electrical components
A case for electrical components is disclosed in which a pair of arms extend outward from the annular wall of the case, the arms being flexible and adapted to allow the case to be attached to a mounting member having spaced apart edges by pressing the fre...
04/27/1976
 
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