Patent ID: 9670694
Date: 2017-06-06
CPC Classifications: E05B,G07C

Claim:
1. A lockbox, comprising: a housing; a key storage area shaped to receive a stored key, the key storage area being attached to or positioned within the housing and secured with a lock mechanism to prevent unauthorized access to the stored key; and a lockbox circuit comprising a loop antenna, a Near Field Communication (NFC) transceiver and a controller coupled to the NFC transceiver, wherein the NFC transceiver is coupled to receive inductively coupled power and data from the loop antenna, the inductively coupled power and data being received by the loop antenna from a radio access device that can send and receive signals, the lockbox circuit being configured to unlock the key storage area upon determining that an access request from the radio access device is authorized to provide access to the stored key, wherein the lockbox is operational without a battery; wherein the radio access device is a cellular telephone, the cellular telephone including an access device NFC transceiver and access device loop antenna for communication with the loop antenna and the NFC transceiver of the lockbox.