John A Modica

US Patent:

20030048157, Mar 13, 2003

Filed:

Sep 10, 2001

Appl. No.:

09/951800

Inventors:

Lamar Ricks - Freeport IL, US
John Modica - Lena IL, US

International Classification:

H03H007/01

US Classification:

333/181000, 333/185000

Abstract:

A method for forming a common mode filter for an electronic sensor and a common mode filter apparatus thereof is disclosed. A common mode filter may be molded across electrical conductors associated with the electronic sensor to thereby provide an enhanced EMC performance for the electronic sensor. The common mode filter is thus integrated with the electronic sensor rather than implemented as a separate common mode filter component. The common mode filter may comprise a ferrite filter molded across the electrical conductors associated with the electronic sensor. The electrical conductors may comprise electrical components such as, for example, a leadframe or leadwires associated with the electronic sensor. Additionally, the common mode filter can be configured as a pre-molded tie bar. Such a pre-molded tie bar may be configured as a ferrite tie bar.

US Patent:

20070277587, Dec 6, 2007

Filed:

Jun 2, 2006

Appl. No.:

11/446470

Inventors:

Steven D. Foster - Rockford IL, US
Jason M. Chilcote - Frisco TX, US
John A. Modica - Lena IL, US

International Classification:

G01D 18/00
G01D 3/028
G01P 21/00

US Classification:

73 179, 73 175, 738661, 73 101

Abstract:

A sensor apparatus and method include a sensor configured on an integrated circuit, which includes a current limiting open collector output stage configured in association with the integrated circuit. The current limiting open collector output stage reduces a fall time and a di/dt associated with an output signal of the sensor and a ringing produced thereof in order to improve EMC and conducted emissions required of the sensor.