Robert P Rumble, Age ~832720 Darlene Ct, Hayward, CA 94546

Robert Rumble Phones & Addresses

2720 Darlene Ct, Castro Valley, CA 94546 (510) 886-8337

Hayward, CA

Livermore, CA

2720 Darlene Ct, Castro Valley, CA 94546 (510) 825-2828

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Robert P Rumble



Position: Private Household Service Occupations


Degree: High school graduate or higher

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Robert Rumble Photo 1

Robert Rumble

United States


Us Patents

Locked Portal Unlocking Control Apparatus And Method

US Patent:
2002013, Sep 26, 2002
Mar 22, 2001
Appl. No.:
Robert Rumble - Castro Valley CA,
BridgePoint Systems, Inc.
International Classification:
US Classification:
A locked portal unlocking control system () including an encryption device () responsive to input of a structure identifier to encrypt a time representation with an encrypting cryptographic key () for the structure to produce a cryptogram. At least one structure () is remote of the encryption device () having a lock mechanism () controlling opening of a portal to the structure. Each structure () further includes a decryption device () having an unlocking assembly () coupled to the lock mechanism () with the decryption device (-) being responsive to input of the cryptogram () to unlock the lock mechanism () if a decrypted time representation produced by decrypting the cryptogram meets a time-based criteria in the decryption device (-). A method is also disclosed including the steps of creating a cryptogram, transporting () the cryptogram () to a remote structure (-), inputting the cryptogram () into a decryption device () at the structure, decrypting the cryptogram to produce a decrypted time representation (), comparing () the decrypted time representation with a time-based criteria () and unlocking the lock () if the decrypted time representation () meets the time-based criteria ().

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