System containing a predetermined number of monitoring devices a

Details System containing a predetermined number of monitoring devices a System containing a predetermined number of monitoring devices a

1980-09-12

1982-10-26

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340517, 340525, 340531, 34087013, 34082506, 340715, 128709, 358139, 358142, 358181, G08B 2900, H04N 712

Patent

active

043564755

ABSTRACT:
The system contains a number of monitoring devices, such as bedside units for monitoring parameters of patients, and a central station in star connection. Each monitoring device contains a signal generator and a display device for the display of monitored parameters. The central station contains a central display device and a central multiplexer. The multiplexer has a separate signal input for receiving the output signals of each signal generator, and a first and second number of multiplexer outputs. The output signals of the signal generators each contain undelayed and delayed signal data. The first multiplexer outputs can be connected to the central display device. Thereby, the undelayed signal data contained in the output signals of selected monitoring devices can be displayed in the central station. These signal data represent all parameters monitored by the selected device. The second multiplexer outputs are connected to an intermediate memory for transfer of the delayed signal data of all signal generators thereto. The delayed data stored in the memory can be transmitted in any signal combination for display as a mixed image on the central display device. Thereby, parameters stemming from different monitoring devices can be displayed simultaneously on the central display device.

REFERENCES:
patent: 3543267 (1970-11-01), Morris
patent: 3588881 (1971-06-01), Gordon
patent: 3665399 (1972-05-01), Zehr et al.
patent: 3676878 (1972-07-01), Linder
patent: 3814082 (1974-06-01), Taylor
patent: 4051522 (1977-09-01), Healy et al.
patent: 4160239 (1979-07-01), Adamson
patent: 4162488 (1979-07-01), Silverman et al.
Brochure "Models 78341A/78342A Monitors-Patient Monitoring", 1978 by Hewlett--Packard, Medical Products Group, Waltham, Mass., U.S.A.

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