US3641530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for displaying values of conditions reported at a central station from various remote stations of a building air condition system
Assignee: Honeywell Inc
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Filing: 1970-07-13
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Granted: 1972-02-08
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Expires: 1990-07-13
Abstract
Abstract A system for displaying the values of reported conditions of a building air-conditioning system wherein a reporting message from a remote station has a first portion for selecting the engineering units for the normalized condition value reported in a second portion of the message so that upon the message being received at a central station the first portion of the message is used to retrieve from a memory the engineering unit data to be applied to the normalized condition value to report the condition as a true reported value.
Inventors
- 👤 Frank H W Schoenwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/10; G06; G06F; G06F3/00; G06F3/14; G06F3/147; H; H04; H04Q; H04Q9/00; H04Q9/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
213 words
In a system for reporting values of conditions of a building air-conditioning system, a central station comprising; message-receiving apparatus for receiving messages, the messages comprising a first portion for selecting engineering units and a second portion indicative of the normalized value of the condition, and message-processing apparatus comprising, means for processing said first portion of the messages to provide a first output indicative of selected engineering units for converting a normalized value of a condition to a true value of said condition, means for processing said second part of the messages to provide from said normalized value of the reported condition a second output, and processing means connected to receive said first and second output to provide a true reported value of said condition, and a plurality of remote stations, comprising; message-transmitting apparatus for transmitting messages, condition-responsive means for at least one station, said responsive means having an output indicative of a normalized value of a condition, and interface means connecting said condition-responsive means to said message-transmitting apparatus to transmit a message having said first portion for selecting the desired engineering units of the output of said condition-responsive means and said second portion indicative of said normalized value of the reported condition, and transmission means connecting said message-transmitting apparatus to said message-receiving apparatus.
Claim 2
Dependent Claim
213 words
In a system for reporting values of conditions of a building air-conditioning system, a central station comprising; message-receiving apparatus for receiving messages, the messages comprising a first portion for selecting engineering units and a second portion indicative of the normalized value of the condition, and message-processing apparatus comprising, means for processing said first portion of the messages to provide a first output indicative of selected engineering units for converting a normalized value of a condition to a true value of said condition, means for processing said second part of the messages to provide from said normalized value of the reported condition a second output, and processing means connected to receive said first and second output to provide a true reported value of said condition, and a plurality of remote stations, comprising; message-transmitting apparatus for transmitting messages, condition-responsive means for at least one station, said responsive means having an output indicative of a normalized value of a condition, and interface means connecting said condition-responsive means to said message-transmitting apparatus to transmit a message having said first portion for selecting the desired engineering units of the output of said condition-responsive means and said second portion indicative of said normalized value of the reported condition, and transmission means connecting said message-transmitting apparatus to said message-receiving apparatus.
Claim 3
Dependent Claim
42 words
The invention of claim 1 wherein, said means for processing said first portion of the messages comprises; memory means for storing engineering units selectively obtained therefrom, whereby said first output from said memory means depends upon said first portion of the message.
Claim 4
Dependent Claim
66 words
The invention of claim 2 wherein, said first output of said memory means comprising: an offset output indicative of a value of offset to be applied to said normalized value, a decimal point position output indicative of the position of a decimal point when said reported value is determined, and a scaling factor output indicative of a scaling factor to be applied to said normalized value.
Claim 5
Dependent Claim
33 words
The invention of claim 3 wherein, said first portion of said message comprises six bits in binary form and two bits in binary form for selecting said offset output of said memory means.
Claim 6
Dependent Claim
90 words
THe invention of claim 4 wherein, said memory means is a fixed memory having six input circuits, three strobing circuits and seven binary output circuits, said six input circuits being connected to be energized in accordance with the binary code of said six bits of said first portion of said message, said strobing circuits being connected to be energized in accordance with the binary code of said two bits of said first portion of said message, and said seven output circuits provide said offset, decimal position and scaling factor outputs.
Claim 7
Dependent Claim
125 words
The invention of claim 1 wherein, said means for processing said first portion of the messages comprises a Read Only Memory having six binary input circuits and seven binary output circuits, said input circuits being connected to receive binary signals for said first portion of the messages to select the engineering units to be applied to make said true reported value of a condition, and said output circuits providing three groups of outputs for said engineering units, a first group of two circuits to select one of a plurality of offset values, a second group of three circuits to select one of a plurality of scaling factors and a third group of two circuits to select one of a plurality of possible decimal point positions.
Claim 8
Dependent Claim
155 words
The invention of claim 6 comprising, clock pulse source means connected to said means for processing said second part of said messages and controlled by said second output to provide a number of pulses indicative of said normalized value of said condition, scaling means connected to receive said pulses from said clock pulse source means and having a pulsing output of a different rate depending upon said scaling factor received from said second group of circuits, counter means having an offset means connected to said first group of circuits to offset said counter means by one of said plurality of said offset values, said counter means receiving said pulsing output of said scaling means, and display means connected to said counter means to display a true reported value of the condition, said display means being connected to said third group of circuits to provide a decimal point in a displayed true value of the condition.
Claim 9
Dependent Claim
189 words
The invention of claim 1 wherein, said means for processing said second part of said messages connected to a pulse source providing a plurality of pulses indicative of the normalized value of the condition, said means for processing said first portion of the messages comprising memory means wherein said first output is made up of three portions, said processing means comprising; scaling means connected to said pulse source to modify the number of said plurality of pulses depending upon one of said portions of said first output, true value counter means connected to one portion of said output for presetting said true value counter means by a predetermined offset count, means connecting said true value counter means to receive said modified number of pulses whereby a total count of said true value counter means includes said Predetermined offset count and said modified number of pulses, digital display means connected to said true value counter means to display said total count, and decimal point setting means connected to said display means to set a decimal point in said total count depending upon one of said portions of said first output.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |