Patent ID: 8035519

Claim:
An office communication system for an office comprising: a wearable communication unit, the wearable communication unit comprising: a wireless transceiver in cooperation with a microprocessor operable to send a wireless signal encoding a unique identifier associated with the wearable communication unit; and a sensory output device in communication with the microprocessor to provide a user detectable output in response to a wireless signal received at the transceiver; a first communication unit having a wireless transceiver in cooperation with a microprocessor operable to receive the wireless signal from the wearable communication unit such that when a particular wearable communication unit is within a predetermined vicinity from the first communication unit, the first communication unit is configured to transmit a wireless signal indicative of the particular wearable communication unit being located within the predetermined vicinity; and a second communication unit having a receiving module to receive the wireless signal from the first communication unit, the receiving module electronically coupled to an indicator detectable by a human sensory system, wherein upon receipt of the wireless signal a microprocessor in the second communication unit activates the indicator to notify others that the particular wearable communication unit is located within the predetermined vicinity.