Robert E Mccarthy

US Patent:

56302061, May 13, 1997

Filed:

Aug 11, 1994

Appl. No.:

8/288764

Inventors:

G. Daniel Urban - Silver Spring MD
Robert McCarthy - Arlington VA
David Schuchman - Rockville MD
Ronald Bruno - Arlington VA

Assignee:

Stanford Telecommunications, Inc. - Reston VA

International Classification:

H04B 700

US Classification:

455 541

Abstract:

A position monitoring system having a position finder subsystem connected via a cellular telephone to a central monitoring station, a receive/transmit device carried with the position monitoring subsystem. A remote personal signalling subsystem comprising an RF coder modulator for transmitting a coded RF signal, and operating switch for activating the RF coder modulator. A receiver/transmit device is carried with a position monitoring subsystem for receiving the coded RF signal, decoding same and transmitting a coded RF acknowledgement signal. The remote personal signalling subsystem includes an RF decoder and demodulator for receiving and decoding the coded RF acknowledgement signal and a tactile signalling device is operated by the RF decoder and demodulator upon receipt of the coded RF acknowledgement signal and provides a tactile signal to a user that the RF coded signal had been properly received by the position finding subsystem. The transceiver is carried by the position finding subsystem is connected to the central monitoring station and the sending coded RF acknowledgement signal is controlled by central monitoring station.

US Patent:

62265296, May 1, 2001

Filed:

Dec 8, 1994

Appl. No.:

8/352312

Inventors:

Ronald Bruno - Arlington VA
Leonard Schuchman - Potomac MD
Kenneth Cunningham - Hamilton VA
Robert McCarthy - Arlington VA

Assignee:

ITT Manufacturing Enterprises, Inc. - Wilmington DE

International Classification:

H04Q 720
H04J 102

US Classification:

455557

Abstract:

An accessory device for portable telephones which provides simultaneous functionality of a hands-free accessory device and a data-in-voice modem enabling a portable telephone to be used in a vehicle such that the driver can be engaged in a hands-free conversation at the same time as data (such as GPS position information) is being sent over the same cellular voice channel.