System for recording the actuation of remotely located locking devices

• US 3,969,584 A
• Filed: 01/17/1975
• Issued: 07/13/1976
• Est. Priority Date: 01/17/1975
• Status: Expired due to Term

• Current Assignee: Cecil John Miller, Richard W. Foster
• Original Assignee: Cecil John Miller, Richard W. Foster
• Inventors: Foster, Richard W., Miller, Cecil John
• Primary Examiner(s): Claffy, Kathleen H.
• Assistant Examiner(s): Myers, Randall P.
• Application Number:
  US05/541,707
• Time in Patent Office: 543 Days
• Field of Search: 179/2 A, 179/1 MN, 340/150, 340/151, 340/149 R, 340/274 R, 340/274 C, 340/149 A, 346/144
• US Class Current: 379/40
• CPC Class Codes: E05B 35/001 with key identifying function
• CPC Class Codes: G07C 1/32 Time-recording locks
• CPC Class Codes: G07C 9/27 with central registration
• CPC Class Codes: H04M 11/04 with alarm systems, e.g. fire, police or burglar alarm systems

Abstract

A system for providing a record of each time any one of a plurality of remotely located locking devices is operated, as well as the number of the key used for each lock actuation. The disclosed system includes means located at each secured premises for sensing the actuation of the lock and the number of the actuation key; means for automatically telephoning to a central office the key number as well as a code which identifies the reporting facility; and means at the central office for recording this data and its time of receipt, and for providing a printout thereof.

Claims

1. A system for providing a record at a central office of the actuation of at least one remotely located locking device and the identification of the actuating key, said system comprising:

lock monitoring means, disposed at a remote location, for sensing each actuation of an associated locking device and for providing key identifying binary signals indicative of the identification of the actuating key, said lock monitoring means including a key type lock cylinder and plug arrangement adapted for interconnecting with said locking device in a conventional manner, a plurality of cylindrical sleeves disposed between said plug and cylinder such that depending upon the configuration of the cylinder pins and the actuating key preselected ones of said sleeves rotate with said plug, and switch means for sensing the rotation of said sleeves and for providing binary signals indicative thereof;

first means, located at the remote location and responsive to said key identifying binary signals, for automatically transmitting to the central office facility identifying binary signals indicative of the facility at which the actuated lock is located and for automatically transmitting the key identifying binary signals to the central office; and

second means located at the central office for receiving said key and facility identifying signals and for providing a record thereof.

2. The system of claim 1 wherein said second means includes means for also recording the time and date of the reception of said key and facility identifying signals.

3. The system of claim 2 wherein said first means includes telephone dialing means responsive to said key identifying binary signals for automatically dialing the telephone number of the central office;

and data transmission means for transmitting said key and facility identifying binary signals to the central office by means of the telephone network.

4. The system of claim 2 wherein said second means includes means for converting said received facility and key identifying binary signals and said time and data data into ASKII coded data;

and a TELETYPE printer coupled to receive said ASKII coded data.

5. The system of claim 2 wherein said second means includes means for converting said received facility and key identifying binary signals and said time and data data into ASKII coded data;

and a TELETYPE reperforator coupled to receive said ASKII coded data.

6. A system for providing a record at a central office of the actuation of at least one locking device disposed at least at one remote location, said system comprising:

lock monitoring means, located at the remote location for providing a key identifying signal upon each actuation of the associated locking device, said key identifying signal being indicative of the actuating key;

first means located at the remote location and responsive to the key identifying signal, for automatically transmitting the central office a facility identifying signal indicative of the facility at which the actuated locking device is located and for automatically transmitting the key identifying signal to the central office;

second means located at the central office for receiving said key and facility identifying signals and for providing a record of said signals and the time and date of their receipt; and

wherein

said first means includes telephone dialing means responsive to said key identifying signal for automatically dialing the telephone number of the central office; and

data transmission means for repetitively transmitting said key and facility identifying signals to the central office by means of the telephone system, said transmission commencing upon receipt of an authorizing signal from said second means and terminating upon receipt of a validity signal from said second means; and

wherein said second means includes means for producing said authorization signal upon the completion of the telephone connection between said first and second means; and

means for producing said validity signal after successive identical sets of said repetitively transmitted data which resulted from a given key actuation have been received.

7. The system of claim 6 wherein said second means includes means for converting said key and facility identifying signals and the time and date of their receipt into the ASKII code;

and a TELETYPE printer coupled to receive said ASKII coded data.

8. The system of claim 6 wherein said second means further comprises a TELETYPE reperforator coupled to receive said ASKII coded data.

9. The system of claim 6 wherein said lock monitoring means includes:

a lock cylinder body having multiple pins associated with multiple pin positions;

a cylindrical lock plug mounted for rotation in said cylinder body and for interacting with said pins such that insertion of a key of a predetermined configuration into the keyway of said plug positions the pins so as to allow rotation of said plug with respect to said cylinder;

a plurality of cylindrical sleeves disposed between the lock cylinder body and the plug and with each sleeve having a flat surface formed thereon and an opening formed therein such that said opening is in alignment with an associated pin position in said cylinder body and in said plug when the keyway of said plug is in the nonactuated position of the plug;

a plurality of switches with each switch having an actuating plunger, said switches being mounted relative to said cylinder body such that each said plunger protrudes through an opening formed in said lock cylinder body and each said plunger is adjacent to the flat surface of an associated sleeve when said keyway is in the nonactuated position of the plug; and

wherein the position of said plungers is such that said plungers are depressed except when the flat surface of said sleeve is adjacent thereto;

whereby

selection of the configuration of said pins and actuating keys allows selected ones of said sleeves to rotate with said plug and thereby close the associated switches.

10. A system for providing a record at a central office of the actuation of at least one remotely located locking device and the identification of the actuating key, said system comprising:

lock cylinder means, disposed at a remote location, for sensing each actuation of an associated locking device and for providing key identifying binary signals indicative of the identification of the actuating key;

first means, located at the remote location and responsive to said key identifying binary signals, for automatically transmitting to the central office facility identifying binary signals indicative of the facility at which the actuated lock is located and for automatically transmitting the key identifying binary signal to the central office, said first means including telephone dialing means responsive to said key identifying binary signals for automatically dialing the telephone number of the central office; and

data transmission means responsive to a received transmit authorizing tone for transmitting said key and facility identifying binary signals to the central office by means of the telephone network; and

second means located at the central office for receiving said key and facility identifying signals and for providing a record thereof, said second means including transmission authorization means for sending through the telephone network a transmit authorizing tone to said first means upon the completion of the telephone connection between said first and second means.

11. The system of claim 10 wherein said data transmission means repetitively transmits said key and facility identifying binary signals to the central office until a validity signal is received by said data transmission means;

and wherein said second means includes validity determination means for comparing successive sets of received key and facility identifying signals and for sending through the telephone network a validity signal after successive sets of identical data have been received at said second means.

12. The system of claim 11 wherein said first means includes means responsive to the receipt of said validity signal for disconnecting the telephone connection between the remote location and the central telephone office.

13. A system for providing a record at a central office of the actuation of at least one remotely located locking device and the identification of the actuating key, said system comprising:

lock cylinder monitoring means, disposed at a remote location, for sensing each actuation of an associated locking device and for providing key identifying binary signals indicative of the identification of the actuating key, said lock cylinder means including a key type lock cylinder and plug arrangement, a plurality of cylindrical sleeves, and wherein the normal opening in the body of said lock cylinder adapted for receiving said plug is counter bored and said sleeves are disposed in said counter bored section between the lock cylinder body and the plug and with each sleeve having a flat surface formed therein and an opening formed therein such that said opening is in alignment with an associated pin position in said cylinder body and in said plug when the keyway of said plug is in the nonactuated position of the plug, and a plurality of switches with each switch having an actuating plunger, said switches being mounted relative to said cylinder body such that each said plunger protrudes through an opening formed in said lock cylinder body and each said plunger is adjacent to the flat surface of an associated sleeve when said keyway is in the nonactuated position of the plug; and

wherein the position of said plungers is such that said plungers are depressed except when the flate surface of the associated sleeve is adjacent thereto, whereby selection of the configuration of the cylinder pins and actuating keys allows selected ones of said sleeves to rotate with said plug and thereby close selected ones of said switches;

first means, located at the remote location and responsive to said key identifying binary signals, for automatically transmitting to the central office facility identifying binary signals indicative of the facility at which the actuated lock is located and for automatically transmitting the key identifying binary signals to the central office; and

second means located at the central office for receiving said key and facility identifying signals and for providing a record thereof.

14. The system of claim 13 wherein the counter bored section of said cylinder body is contiguous to the front of said cylinder body.