| Patent Number |
Title Of Patent |
Date Issued |
| RE35536 |
Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mut |
June 17, 1997 |
| An amplifier for amplifying a signal received on a telephone line and for providing the amplified signal to a telephone headset. The amplifier draws current from a battery. The current drawn is reduced in the absence of activity on the line. The amplifier includes a timer that generates |
| D385272 |
Communication headset |
October 21, 1997 |
|
| 5841407 |
Multiple-tuned normal-mode helical antenna |
November 24, 1998 |
| An antenna includes a conductive coil electrically coupled to a wave launching structure and configured such that a plurality of capacitances act electrically in parallel with a plurality of distinct portions of the conductive coil. The capacitances configure what would otherwise be a |
| 5816841 |
Electrical disconnect for telephone headset |
October 6, 1998 |
| An electrical connector is disclosed, designed for use with a telephone headset. The connector utilizes angled contacts for low insertion force, resulting in easier mating and longer life. The connector is provided with a latch that allows the connector to be uncoupled with a force rough |
| 5793255 |
Tuned RF amplifier |
August 11, 1998 |
| A tuned radio frequency (RF) amplifier includes serially connected input and output common emitter amplifiers with closed ac and dc loops for maintaining high input impedance and low output impedance. The closed ac loop includes a parallel resonant circuit which is connected to the input |
| 5708724 |
Communications headset having a detachable receiver capsule and cable pivot |
January 13, 1998 |
| A communications headset is disclosed having a detachable receiver capsule rotatably and pivotally attached to a main body, and a cable pivot for allowing the headset connection cable to pivot with respect to the receiver capsule. This combination of features allows the headset to be |
| 5687231 |
Articulated headset |
November 11, 1997 |
| A communication headset is provided which includes two curved housings that rotate with respect to one another to allow the headset to be held firmly in place over one ear of the user. One housing supports a microphone boom which has a free end positionable adjacent to the users mouth an |
| 5553312 |
Data transfer and communication network |
September 3, 1996 |
| A data transfer and communication system is disclosed including a central station and a plurality of remote, relay terminals. Each relay terminal includes a data entry device such as a keypad or bar code wand. A headset is associated with each relay terminal. Circuitry is provided to per |
| 5533122 |
Articulated headset support |
July 2, 1996 |
| A communication headset is provided which includes two curved housings that rotate with respect to one another to allow the headset to be held firmly in place over one ear of the user. One housing supports a microphone boom which has a free end positionable adjacent to the users mouth an |
| 5469505 |
Communications headset having a ball joint-mounted receiver assembly |
November 21, 1995 |
| A communication headset is disclosed having a microphone for transmitting the user's voice and a receiver for transmitting audio signals into the user's ear. The headset includes a resilient, generally U-shaped headband, to be worn over the head, having a housing adjustably attached at o |
