JAMES T MACDONALD
Broker in East Pepperell, MA

6356635, Mar 12, 2002

May 14, 1999

09/312443

Stephen R. Lyman - Dracut MA
James T. MacDonald - Pepperell MA
John DePiano, Jr. - Burlington MA
Roy Heinz - Waltham MA

GN Netcom/Unex Inc. - Nashua NH

H04M 100

379430

A headband for reversible mounting of headsets, wherein the headset can be used on either side of the wearers head. The headband may include two adjustably connected portions, for adapting to the wearers head. On one side, the headband has a fitting for a headset. The fitting may include a plurality of tabs surrounding a substantially circular cavity. The headset may be mounted to the headband by fitting at least a part of the headset inside the cavity, wherein the headset is held in place by the tabs. The tabs may be arranged to allow the headset to extend therebetween, and they may allow the headset to be adjusted as desired by the wearer.

5117465, May 26, 1992

Mar 15, 1991

7/670531

James T. MacDonald - Pepperell MA

Unex Corporation - Chelmsford MA

H04R 2500

381187

An adjustable headset headband including a resilient band of a shape and size to fit over the head of a wearer. The band has a first end and a second end and a positioning member fixedly attached adjacent the first end. The headband also includes a housing having a first end and a second end. The positioning member is movably mounted within the housing such that the second end of the housing is oriented nearest the second end of the band. The housing includes a plurality of depressions linearly arranged within the housing from the first end of the housing to the second end of the housing, each depression of the plurality of depressions having a shallower depth than the preceeding depression. The positioning member releasably engages one of the plurality of depressions so as to maintain the positioning member at a predetermined portion within the housing.

5448646, Sep 5, 1995

Nov 1, 1993

8/146728

Robert E. Lucey - Sudbury MA
James T. MacDonald - Pepperell MA

UNEX Corporation - Chelmsford MA

H04R 110

381 74

An interface assembly for providing an electrical and mechanical interface between a headset and a headset amplifier, includes a transmit signal path for receiving a signal from the headset microphone and for providing an output signal having electrical characteristics compatible with the headset amplifier. The interface assembly also includes a receive signal path for receiving a signal from the headset amplifier and for providing a signal having electrical characteristics compatible with the headset coupled thereto. Compatibility from headset to headset amplifier may be achieved by adjusting one or more characteristics including but not limited to the frequency response, input/output impedance matching, level adjustment and RFI suppression. Compatibility from headset amplifier to headset may be achieved by adjusting one or more characteristics including but not limited to sound pressure protection, frequency response shaping, input/output impedance matching, level adjustment, ground isolation and RFI suppression.

5615273, Mar 25, 1997

Nov 18, 1994

8/342428

Robert E. Lucey - Sudbury MA
James T. MacDonald - Pepperell MA

UNEX Corporation - Chelmsford MA

H04R 2500

381169

A microphone holder includes a housing comprising a base portion having a first aperture therein and sidewall portions disposed on the base to provide the housing with a microphone receiving cavity region. A cover, having a second aperture therein, is disposed over the cavity region of the housing and a baffle is disposed a predetermined distance over a first surface of the cover in the region of the second aperture.

D357667, Apr 25, 1995

Nov 1, 1993

D/014868

Robert E. Lucey - Sudbury MA
James T. MacDonald - Pepperell MA

Unex Corporation - Chelmsford MA

D13147

D431235, Sep 26, 2000

Mar 25, 1999

D/102475

Stephen R. Lyman - Dracut MA
James T. MacDonald - Pepperell MA
John DePiano - Burlington MA
Roy Heinz - Waltham MA

GN Netcom/Unex Inc. - Nashua NH

1403

D14142

6914997, Jul 5, 2005

Nov 5, 2001

10/013028

James T. MacDonald - Pepperell MA, US
John Depiano - Burlington MA, US
Roy Heinz - Waltham MA, US

GN Netcom/Unex, Inc. - Nashua NH

H04R025/00

381381, 381379, 381330, 379426

A flexible earhook for positioning an earphone adjacent a wearer's ear, the earhook including a mounting element capable of being provided with the earphone. The mounting element may be substantially annular. The earhook further includes a hook element comprising a material capable of being contoured and thereafter maintaining its shape. The hook element may comprise a wire. The hook element and the mounting element may be connected such that the flexible earhook can be used on either ear.

5410608, Apr 25, 1995

Sep 29, 1992

7/952956

Robert E. Lucey - Sudbury MA
James T. MacDonald - Pepperell MA

UNEX Corporation - Chelmsford MA

H04R 2500

381169

A microphone holder includes, a housing comprising a base portion having a first aperture therein and sidewall portions disposed on the base to provide the housing with a microphone receiving cavity region. A cover, having a second aperture therein, is disposed over the cavity region of the housing and a baffle is disposed a predetermined distance over a first surface of the cover in the region of the second aperture.