| Patent Number |
Title Of Patent |
Date Issued |
| 7332984 |
Electronic signal filter including solderless ground clip having surge protection and shielding |
February 19, 2008 |
| An electronic signal filter is provided, including a first filter housing having a filter cavity, a circuit board having a slot positioned within the filter cavity, and a ground clip. The ground clip includes a slot-retaining portion positioned within and in contact with an inner edg |
| 6989994 |
Circuit board sub-assemblies, methods for manufacturing same, electronic signal filters includin |
January 24, 2006 |
| An electronic signal filter includes a cylindrical housing and a circuit board positioned therein having a plurality of peripheral edges and at least two circular through-holes formed therein. Each through-hole is inwardly spaced from one of the peripheral edges of the circuit board, |
| 6949989 |
Electronic signal filter including solderless ground clip having surge protection and shielding |
September 27, 2005 |
| An electronic signal filter is provided, including a first filter housing member, a second filter housing member, and a circuit board positioned within a filter cavity. The circuit board includes a slot. A ground clip is also provided, including a slot-retaining portion positioned within |
| 6933806 |
Electrical signal filter with solderless ground connection |
August 23, 2005 |
| An electrical signal filter is provided, including a first filter housing member and an abutted second filter housing member that define an internal filter cavity. A circuit board positioned within the filter cavity has at least one plated hole passing from a first surface thereof to an |
| 6842101 |
Tunable inductor |
January 11, 2005 |
| A tunable inductor is provided, including an elongate mandrel having a central axis, and having a helical groove of predetermined pitch formed on an outer surface thereof. A flange having at least one guide member is also included proximate a first end of the mandrel and positioned s |
| 6842086 |
Two-pole notch filter |
January 11, 2005 |
| A tunable top-pole passive notch circuit for attenuating select frequencies of a multi-frequency CATV signal. The circuit includes an input for receiving a multi-frequency CATV signal, and an output for transmitting a portion of the multi-frequency CATV signal, A filter network for a |
| 6791436 |
Modular electrical signal filter assembly |
September 14, 2004 |
| A modular electronic signal filter assembly is provided, including a plurality of modular filter housing members joined to one another in a longitudinal direction via a plurality of coupling members. The outer peripheral surfaces of the filter housing members are provided with mechan |
| 6759927 |
Isolation shield assembly for electrical filters and a method of manufacturing electrical filter |
July 6, 2004 |
| An electronic signal filter is provided, including a cylindrical housing and a single circuit board having a first filter section and a second filter section being positioned within the interior compartment of the cylindrical housing such that it effectively divides the interior comp |
| 6674342 |
Electrical signal filter with improved isolation shield |
January 6, 2004 |
| An electrical signal filter including elongate upper and lower filter housing members abutted along a longitudinal seam between the housing members. The housing members hold at least one circuit board. A ground post is formed integrally with the lower filter housing member and is sec |
| 6636129 |
Two-tiered tuned filter |
October 21, 2003 |
| A reduced length filter including a housing having a female connector end and an opposed male connector end, and a circuit board positioned within the housing. The circuit board has first and second filter sections positioned on upper and lower surfaces thereof, and a ground plane po |
| 6560087 |
Electronic signal filter with surge protection mechanism |
May 6, 2003 |
| An electronic signal filter is provided that includes a metal housing which has been adapted to be electrically grounded, and a circuit board positioned within the housing. The circuit board includes a first area and a second area, and has an electrically conductive trace formed on a |
| 6429754 |
Electrical signal filter with improved isolation shield |
August 6, 2002 |
| An electrical signal filter including elongate upper and lower filter housing members abutted along a longitudinal seam between the housing members. The housing members hold at least one circuit board having first and second filter sections electrically connected to one another. An i |
| 6273766 |
Electronic device including a collet assembly with dual receiving sockets |
August 14, 2001 |
| An electronic device of the type including a threaded female connector adapted to mate with a cable connector including a housing, a female connector extending from the housing, and a circuit board positioned within said housing and having a first presoldered conductor wire extending |
| 5770983 |
Reduced length tuned filter having transverse oriented coils |
June 23, 1998 |
| The invention provides a tuned filter of reduced overall length in which two coils (air core inductors) are placed side by side, in mounting locations that are transverse with respect to the longitudinal direction of the filter, instead of in-line or diagonal to each other. The trans |
| 5662494 |
Filter structure with self-sealing collet assembly |
September 2, 1997 |
| A filter structure including a collet assembly of inexpensive design that provides a reliable seal and can be easily implemented during the manufacturing process is disclosed. The collet assembly includes a front cap, a rear insert body, a collet contact extension passing through the |
| 5202656 |
Frequency shifting tuning process and filter structure |
April 13, 1993 |
| A technique is disclosed to independently tune different sections of a filter by momentarily frequency shifting a first tuned section, preferably by shorting certain nodes in the first tuned section, such that response of a second section can be determined and independently tuned. The fi |
| 5168251 |
Quality factor improvement for filter application |
December 1, 1992 |
| A tuned filter having an improved Q is disclosed in which two or more inductors are placed in parallel to increase the net Q relative to a single inductor of the same net inductance and/or two or more capacitors are placed in series to increase the net Q relative to a single capacitor |
| 5148133 |
Quality factor improvement for filter applications |
September 15, 1992 |
| A tuned filter having an improved Q is disclosed in which two or more inductors are placed in parallel to increase the net Q relative to a single inductor of the same net inductance and/or two or more capacitors are placed in series to increase the net Q relative to a single capacitor |
