Controlled access programmable event timer system

Claim 2

A control system connectable to equipment for permitting the operation of the equipment only during times specified by an authorized person comprising: enabling/disabling means connected to the equipment controlling operability of the equipment; timer means connected to said enabling/disabling means for causing said enabling/disabling means to assume enable and disable positions at one or more designated times; said timer means including time digit entry means for setting said designated times for operation and stopping of operation of the equipment; and said timer means including a card reader for producing signals representing an authorization authentication code for preventing operation of said time setting means except by an authorized person.

Claim 3

A control system in accordance with claim 1 wherein: said timer means includes a microprocessor connected to receive inputs from said card reader and said time setting means; and said microprocessor is connected to said enabling/disabling means to provide signals directing said enabling/disabling means to assume enable and disable positions.

Claim 4

A control system in accordance with claim 2 further including: display means for displaying time information connected to receive said time information from said microprocessor.

Claim 5

A control system in accordance with claim 3 further including: a battery connected to supply power to said microprocessor, said time digit entry means and said display means.

Claim 6

A control system in accordance with claim 2 further including: an override command input to said microprocessor to prevent disabling at the designated stopping time.

Claim 7

A control system in accordance with claim 3 further including: a housing containing said card reader, said time digit entry means and said display means.

Claim 8

A control system in accordance with claim 3 wherein: said display means is a liquid crystal display.

Claim 9

A control system connectable to equipment for permitting the operation of the equipment, which equipment includes a critical electric circuit, only during times specified by an authorized person as determined by an encoded card comprising: a relay connected to open and close the critical electric circuit; a microprocessor connected to said relay to cause said relay to open and close; a time digit entry setting device connected to said microprocessor to deliver to said microprocessor times for opening and closing said relay; card reader means for producing signals representing information encoded on a card; said card reader means connected to said microprocessor to deliver to said microprocessor information encoded on a card; said microprocessor being programmed to compare said card information from said card reader to an authentic authorized code and to accept time setting only when an authentic authorized code is contained on the card.

Claim 10

A control system connectable to equipment for permitting the operation of the equipment, which equipment includes a critical electric circuit, only during times specified by an authorized person as determined by an encoded card comprising: a relay connected to open and close the critical electric circuit; a microprocessor connected to said relay to cause said relay to open and close; a time digit entry setting device connected to said microprocessor to deliver to said microprocessor times for opening and closing said relay; card reader means for producing signals representing information encoded on a card; said card reader means connected to said microprocessor to deliver to said microprocessor information encoded on a card; said microprocessor being programmed to compare said card information from said card reader to an authentic authorized code and to accept time setting only when an authentic authorized code is contained on the card.

Claim 11

A control system in accordance with claim 8 further including: display means connected to said microprocessor for displaying time information.

Claim 12

A control system in accordance with claim 9 further including: a battery connected to provide power to said microprocessor, said display means and said time digit entry setting device.

Claim 13

A control system in accordance with claim 10 further including: an override command input to said microprocessor to prevent opening of said relay at the time set for opening said relay.

Claim 14

A control system connectable to equipment for permitting the operation of the equipment which includes an 110 volt alternating current power line only during times specified by an authorized person as determined by an encoded card comprising: a relay connected to open and close the power line in the equipment; a microprocessor connected to said relay to cause said relay to open and close; a time setting device having a keyboard for entering time digits connected to said microprocessor to deliver to said microprocessor times for opening and closing said relay; a card reader connected to said microprocessor to deliver to said microprocessor information encoded on cards read by said card reader; a liquid crystal display connected to said microprocessor receiving and displaying time information from said microprocessor; a rechargeable battery connected to supply power to said microprocessor, said time setting device and said liquid crystal display; a power supply connected to the power line to receive alternating current; said power supply providing direct current to said relay, said card reader and said battery; and said microprocessor being programmed to compare said card information from said card reader to an authentic authorized code and to accept time setting information only when an authentic authorized code is contained on the card.

Claim 15

A control system connectable to equipment for permitting the operation of the equipment which includes an 110 volt alternating current power line only during times specified by an authorized person as determined by an encoded card comprising: a relay connected to open and close the power line in the equipment; a microprocessor connected to said relay to cause said relay to open and close; a time setting device having a keyboard for entering time digits connected to said microprocessor to deliver to said microprocessor times for opening and closing said relay; a card reader connected to said microprocessor to deliver to said microprocessor information encoded on cards read by said card reader; a liquid crystal display connected to said microprocessor receiving and displaying time information from said microprocessor; a rechargeable battery connected to supply power to said microprocessor, said time setting device and said liquid crystal display; a power supply connected to the power line to receive alternating current; said power supply providing direct current to said relay, said card reader and said battery; and said microprocessor being programmed to compare said card information from said card reader to an authentic authorized code and to accept time setting information only when an authentic authorized code is contained on the card.

Claim 16

A control system in accordance with claim 12 further including: an overriding input connected to said microprocessor.

Claim 17

A control system in accordance with claim 12 further including: a housing containing said card reader, said time setting device and said liquid crystal display.