Remote alarm for visual display terminals

Claim 2

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a memory coupled to said data lines, said memory having addressable locations for storing data and status messages, a plurality of keyboard devices remote from said memory one coupled to each of at least some of said data lines for individually transmitting to said memory signals representing data and status messages of said keyboard devices, means coupled to receive from said addressable locations signals representative of said status messages, and an alarm device associated with said keyboard devices for receiving said latter signals and indicating said status messages.

Claim 3

The combination set forth in claim 1 wherein a display means is associated with said alarm device for visually illustrating the reason for said signals representing said status messages.

Claim 4

The combination set forth in claim 1 wherein an alarm device is provided for each of said keyboard devices for indicating status messages of the associated keyboard device.

Claim 5

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmitting from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 6

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmitting from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 7

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmitting from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to said transmitting means for locking out at least one of said keyboard devices upon the occurrence of one of said predetermined operating conditions, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 8

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmitting from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to said transmitting means for locking out at least one of said keyboard devices upon the occurrence of one of said predetermined operating conditions, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 9

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmittiNg from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to said transmitting means for locking out a given one of said keyboard devices upon the occurrence of a predetermined operating condition of said one of said keyboard devices, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 10

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard devices remote from said memory one coupled to each of at least a number of said data lines for individually storing and changing the data messages in said memory, means for transmittiNg from said keyboard devices to said memory signals representative of predetermined operating conditions of said keyboard devices, means coupled to said transmitting means for locking out a given one of said keyboard devices upon the occurrence of a predetermined operating condition of said one of said keyboard devices, means coupled to receive from said addressable location signals representative of the conditions of said keyboard devices and for generating status signals, and an alarm device associated with said keyboard devices for receiving said status signals and indicating said predetermined conditions of said keyboard devices.

Claim 11

The combination set forth in claim 6 wherein an alarm device is associated with each of said keyboard devices for receiving said status signals representative of the predetermined conditions of said associated keyboard device.

Claim 12

The combination set forth in claim 6 wherein said memory comprises a cyclic memory device.

Claim 13

The combination set forth in claim 6 wherein said cyclic memory device comprises a delay line having a closed loop path.

Claim 14

The combination set forth in claim 6 wherein said alarm device comprises audio and visual indicators.

Claim 15

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard display terminals remote from said memory one coupled to each of at least some of said data lines for individually storing and changing the data messages in said memory, means for transmitting to said keyboard display terminals from said memory signals representative of predetermined operating conditions on said data lines, a first means coupled to receive from said addressable location signals representative of said predetermined conditions for generating status signals, a second means coupled to said first means for transmitting said status signals to said keyboard display terminals, and means coupled to said second means for transmitting a signal for erasing at least some of said representative signals from said memory.

Claim 16

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard display terminals remote from said memory one coupled to each of at least some of said data lines for individually storing and changing the data messages in said memory, means for transmitting to said keyboard display terminals from said memory signals representative of predetermined operating conditions on said data lines, a first means coupled to receive from said addressable location signals representative of said predetermined conditions for generating status signals, a second means coupled to said first means for transmitting said status signals to said keyboard display terminals, and means coupled to said second means for transmitting a signal for erasing at least some of said representative signals from said memory.

Claim 17

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard display terminals remote from said memory one coupled to each of at least some of said data lines for individually storing and changing the data messages in said memory, means for transmitting to said keyboard display terminals from said memory signals representative of predetermined operating conditions of said keyboard display terminals, a first means coupled to receive from said addressable location signals representative of said predetermined conditions for generating status signals to said keyboard display terminals, and means coupled to said second means for transmitting a signal for erasing at least some of said representative signals from said memory, and an alarm device associated with said keyboard display terminals for receiving said status signals and indicating said predetermined conditions of said keyboard display terminals.

Claim 18

A remote terminal message handling system comprising: a plurality of data lines for transmitting data messages, a data memory coupled to said data lines, said memory having addressable locations for storing data messages, a plurality of keyboard display terminals remote from said memory one coupled to each of at least some of said data lines for individually storing and changing the data messages in said memory, means for transmitting to said keyboard display terminals from said memory signals representative of predetermined operating conditions of said keyboard display terminals, a first means coupled to receive from said addressable location signals representative of said predetermined conditions for generating status signals to said keyboard display terminals, and means coupled to said second means for transmitting a signal for erasing at least some of said representative signals from said memory, and an alarm device associated with said keyboard display terminals for receiving said status signals and indicating said predetermined conditions of said keyboard display terminals.

Claim 19

The combination set forth in claim 12 wherein an alarm device is associated with each of said keyboard display devices for receiving said status signals representative of the predetermined operating conditions of the associated keyboard display terminal.

Claim 20

The combination set forth in claim 12 wherein said memory comprises a cyclic memory device.

Claim 21

The combination set forth in claim 12 wherein said cyclic memory device comprises a delay line having a closed loop path.

Claim 22

The combination set forth in claim 12 wherein said alarm device comprises audio and visual indicators.