Patent US5278536A successfully refreshed from Google Patents.
US5278536A
Expired / Lapsed
US
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Electromagnetic radiation node for use in a network and lighting element incorporating such a node
Assignee: Motorola Solutions Inc
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Filing: 1991-01-02
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Granted: 1994-01-11
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Expires: 2011-01-02
Abstract
Abstract A network (2) utilizing power conductor distribution and incorporating infra-red (IR) radiation nodes having IR transducers (4, 6, 8). The IR transducers are located in ceiling-mounted lighting fixtures (16, 18, 20) and are connected to power terminals in the lighting fixtures both for powering the IR transducers in operation and for communicating network information. The transducers are thus positioned optimally for good IR communication and require no additional cabling.
Inventors
- 👤 Robert W. Furtaw
- 👤 Richard A. Comroe
- 👤 Bradley M. Hiben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:12
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/11; H04B10/114; H04B10/1149; H04B10/40; H04B3/00; H04B3/54; H04B3/542; H05; H05B; H05B47/00; H05B47/10; H05B47/175; H05B47/19; H05B47/195; H04B2203/00; H04B2203/54; H04B2203/5429; H04B2203/5441; H04B2203/5445; H04B2203/5458; H04B2203/5462; H04B2203/5483
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
112 words
An electromagnetic radiation node for use in a network, the network comprising a plurality of network terminals, the network terminals generating network information, the network information shared commonly with other network terminals, the network utilizing power conductor network distribution, where the power conductor also energizes at least one lighting element, the lighting element having a power terminal connected to the power conductor, the electromagnetic radiation node comprising: a transducer for transducing network information; a connector coupled to the power conductor by way of the power terminal and to the transducer; and a fastener attaching the transducer to the lighting element; whereby the transducer is coupled to the network via the power terminal.
Claim 2
Dependent Claim
112 words
An electromagnetic radiation node for use in a network, the network comprising a plurality of network terminals, the network terminals generating network information, the network information shared commonly with other network terminals, the network utilizing power conductor network distribution, where the power conductor also energizes at least one lighting element, the lighting element having a power terminal connected to the power conductor, the electromagnetic radiation node comprising: a transducer for transducing network information; a connector coupled to the power conductor by way of the power terminal and to the transducer; and a fastener attaching the transducer to the lighting element; whereby the transducer is coupled to the network via the power terminal.
Claim 3
Dependent Claim
15 words
An electromagnetic radiation node according to claim 1 wherein the transducer is an infrared transducer.
Claim 4
Dependent Claim
15 words
An electromagnetic radiation node according to claim 1 wherein the transducer comprises an electromagnetic transmitter.
Claim 5
Dependent Claim
15 words
An electromagnetic radiation node according to claim 1 wherein the transducer comprises an electromagnetic receiver.
Claim 6
Dependent Claim
77 words
The electromagnetic radiation node according to claim 1 wherein the transducer is a receiving transducer for transducing network information from electromagnetic form to electric form, and said radiation node further comprises: a transmitting transducer for transducing network information from electric form to electromagnetic form; a transmitting transducer connected coupled to the power conductor by way of the power terminal and to the transmitting transducer, and a transmitting transducer fastener attaching the transmitting transducer to the lighting element.
Claim 7
Dependent Claim
95 words
A lighting element for use in a network, the network comprising a plurality of network terminals, the network terminals generating network information in an electromagnetic form, the network information shared commonly with other network terminals, the network utilizing power conductor distribution where network information is distributed to other network terminals in an electric form, comprising: a power terminal connected to the power conductor; a transducer for transducing network information between electromagnetic and electric forms, a connector coupling the transducer to the power terminal; whereby the transducer is coupled to the network via the power terminal.
Claim 8
Dependent Claim
95 words
A lighting element for use in a network, the network comprising a plurality of network terminals, the network terminals generating network information in an electromagnetic form, the network information shared commonly with other network terminals, the network utilizing power conductor distribution where network information is distributed to other network terminals in an electric form, comprising: a power terminal connected to the power conductor; a transducer for transducing network information between electromagnetic and electric forms, a connector coupling the transducer to the power terminal; whereby the transducer is coupled to the network via the power terminal.
Claim 9
Dependent Claim
14 words
A lighting element according to claim 6 wherein the lighting element is a lamp.
Claim 10
Dependent Claim
15 words
A lighting element according to claim 7 wherein the lamp is a gas discharge lamp.
Claim 11
Dependent Claim
16 words
A lighting element according to claim 8 wherein the gas discharge lamp is a fluorescent lamp.
Claim 12
Dependent Claim
18 words
A lighting element according to claim 7 wherein the transducer is attached to the outside of the lamp.
Claim 13
Dependent Claim
15 words
A lighting element according to claim 7 wherein the transducer is located within the lamp.
Claim 14
Dependent Claim
19 words
A lighting element according to claim 6 wherein the lighting element is a ballast for a gas discharge lamp.
Claim 15
Dependent Claim
14 words
A lighting element according to claim 6 wherein the transducer is an infrared transducer.
Claim 16
Dependent Claim
14 words
A lighting element according to claim 6 wherein the transducer comprises an electromagnetic transmitter.
Claim 17
Dependent Claim
14 words
A lighting element according to claim 6 wherein the transducer comprises an electromagnetic receiver.
Claim 18
Dependent Claim
14 words
A lighting element according to claim 6 wherein the transducer comprises an electromagnetic transceiver.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-01-10 | 1997-07-12 | 1998-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-10 | 2001-07-12 | 2002-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-10 | 2005-07-12 | 2006-01-11 | $7700.00 | Window Closed / Lapsed |