US3810096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for transmitting data and indicating room status
Assignee: Integrated Systems Technology Inc
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Filing: 1972-09-14
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Granted: 1974-05-07
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Expires: 1992-09-14
Abstract
Abstract A method and system for transmitting data and indicating room status has a transmitter and a receiver utilizing the neutral and ground lines of a conventional AC room power line as a communications link. The transmitter sends coded signals through a wall outlet via the neutral and ground to the receiver and computer where it may be stored for eventual use. Transformers are bypassed from the secondary to the primary in the power distribution system. Data terminals provide a means for selectively displaying the received information as it relates to room status or alarm conditions. Additionally, status boards may be utilized with the received and stored data to visually display room status and conditions for front desk, housekeeping operations or supervisory stations. The method of transmitting data and indicating room status includes the steps of ENCODING INFORMATION RELATING TO A ROOM NUMBER AND STATUS, TRANSMITTING SAID ENCODED INFORMATION ON AN AC power line using the neutral and ground of same, RECEIVING SAID TRANSMITTED INFORMATION, AND INDICATING THE STATUS OF SAID ROOM.
Inventors
- 👤 J Kabat
- 👤 J Beggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/54; H04B3/542; H04B2203/00; H04B2203/54; H04B2203/5404; H04B2203/5416; H04B2203/5425; H04B2203/5429; H04B2203/5441; H04B2203/5445; H04B2203/5458; H04B2203/5462; H04B2203/5466; H04B2203/5479; H04B2203/5483; H04B2203/5487; H04B2203/5491; H04B2203/5495
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
61 words
A transmitter for a room status and control system, said transmitter comprising means for encoding digital data, a power cord, said power cord operable to interconnect said transmitter to a AC power line, and means for initiating the transmission of said encoded digital data on said transmitter through said power cord and onto the neutral and ground of said power line.
Claim 2
Dependent Claim
61 words
A transmitter for a room status and control system, said transmitter comprising means for encoding digital data, a power cord, said power cord operable to interconnect said transmitter to a AC power line, and means for initiating the transmission of said encoded digital data on said transmitter through said power cord and onto the neutral and ground of said power line.
Claim 3
Independent Claim
88 words
A method of transmitting data and indicating room status in a potentially electrically noisy environment such as a hotel, office building, apartment complex or hospital, said method including the steps of encoding information relating to a room number and status of said room or occupant thereof, transmitting said encoded information on an AC power line associated with a building structure having the room with said status therein using the neutral and ground of said AC power line, receiving said transmitted information, and indicating tHe status of said room.
Claim 4
Independent Claim
88 words
A method of transmitting data and indicating room status in a potentially electrically noisy environment such as a hotel, office building, apartment complex or hospital, said method including the steps of encoding information relating to a room number and status of said room or occupant thereof, transmitting said encoded information on an AC power line associated with a building structure having the room with said status therein using the neutral and ground of said AC power line, receiving said transmitted information, and indicating tHe status of said room.
Claim 5
Dependent Claim
22 words
The combination as in claim 2 including the step of storing said received information prior to indicating said status of said room.
Claim 6
Dependent Claim
29 words
The combination as in claim 2 including the step of visually displaying the total number of rooms having preselected status conditions, said status conditions having one or more characteristics.
Claim 7
Dependent Claim
22 words
The combination as in claim 4 including the step of visually displaying the numbers of said rooms having a preselected status condition.
Claim 8
Dependent Claim
24 words
The combination as in claim 5 including the step of displaying said room numbers in sequential order that correspond to one or more status.
Claim 9
Dependent Claim
34 words
The combination as in claim 3 including the steps of visually displaying the total number of rooms having a preselected status condition, and visually displaying the numbers of said rooms having certain status conditions.
Claim 10
Dependent Claim
24 words
The combination as in claim 3 including the step of recirculating at least a portion of said transmitted information when said information is stored.
Claim 11
Dependent Claim
17 words
A system as in claim 2 wherein said status information corresponds to fire or burglar alarm conditions.
Claim 12
Independent Claim
113 words
A system for transmitting and indicating status of rooms or areas or occupants therein in a building or building complex, said system comprising a transmitter being capable of transmitting signal information on the neutral and ground of a power line associated with said building or building complex, said signal information containing data relating to a room or area designation status of said room or area or occupant thereof, a receiver means receiving said signal information, said signal information having been transmitted at least partly on said neutral and ground of said power line, and means for indicating the status of said room or area or occupant thereof corresponding to the transmitted signal information.
Claim 13
Independent Claim
113 words
A system for transmitting and indicating status of rooms or areas or occupants therein in a building or building complex, said system comprising a transmitter being capable of transmitting signal information on the neutral and ground of a power line associated with said building or building complex, said signal information containing data relating to a room or area designation status of said room or area or occupant thereof, a receiver means receiving said signal information, said signal information having been transmitted at least partly on said neutral and ground of said power line, and means for indicating the status of said room or area or occupant thereof corresponding to the transmitted signal information.
Claim 14
Dependent Claim
56 words
The combination as in claim 10 wherein said transmitter includes a means for encoding a plurality of status conditions for each room or area, and means associated with said receiver for correlating and retrieving data pertaining to preselected status conditions and to thereby cause said indicating means to indicate only said rooms having a preselected status.
Claim 15
Dependent Claim
65 words
A combination as in claim 10 wherein said transmitter includes a means for encoding a plurality of status conditions for each room or area, and memory means associated with said receiver for storing data corresponding to said room status, and means for correlating and retrieving data from said memory means to thereby cause said indicating means to indicate only said rooms having said preselected status.
Claim 16
Dependent Claim
25 words
The combination as in claim 10 wherein said system includes a memory means associated with said receiver for storing information corresponding to said room status.
Claim 17
Dependent Claim
125 words
The combination as in claim 13 wherein said memory means includes a plurality of recirculating shift registers, said shift registers having two sections, one of said sections representing data and the other of said sections representing address, a data register, said data register capable of storing the address of a preselected data word read out of said data section of said recirculating shift registers, a data comparator interconnected between the address section of said shift registers and the data register, said data comparator having an output when the data in the address section of said shift registers corresponds to the data in the data register thereby indicating that a data field of the recirculating shift register is a correct field for read out or updating.
Claim 18
Dependent Claim
25 words
The combination as in claim 14 including a means for subdividing said data fields into smaller fields which can be independently updated or read out.
References Cited (Backward Citations)
US3675204A
Cited
US3702460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-06 | 1977-11-05 | 1978-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-06 | 1981-11-05 | 1982-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-06 | 1985-11-05 | 1986-05-07 | $7700.00 | Window Closed / Lapsed |