US4590473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data signalling system
Assignee: Motorola Solutions Inc
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Filing: 1982-07-28
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Granted: 1986-05-20
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Expires: 2002-07-28
Abstract
Abstract A data signalling system for transmitting signals between at least one primary station and a plurality of secondary stations. The system is well adapted for use in multiple unit radio communications systems capable of noise and data communications. A register model is utilized which permits a highly flexible signalling system compatable with a wide range of communications networks. Data transfer is accomplished using fixed length data packets which are error correction encoded and transmitted utilizing PSK modulation.
Inventors
- 👤 Timothy M. Burke
- 👤 Scott W. Noble
- 👤 Thomas A. Freeburg
- 👤 Jay R. Krebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:32
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/24; H04B7/26; H04W; H04W88/00; H04W88/02; H04W88/022; H04W88/025; H04W88/026; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/0806; G06K13/0825; H04M; H04M7/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
95 words
In a register modelled system of wireless communication, wherein individual communication units are viewed as registers, a method for communicating between communication units comprising the steps of: receiving said wireless communication, further comprising a modulated command packet having at least an operation code and an argument that may comprise the destination of an addressable register; demodulating said wireless communication to extract said command packet from said communication; parsing said command packet to extract said operation code and said argument; and performing said operation upon any remaining portions of said communication in cooperation with said argument.
Claim 2
Dependent Claim
95 words
In a register modelled system of wireless communication, wherein individual communication units are viewed as registers, a method for communicating between communication units comprising the steps of: receiving said wireless communication, further comprising a modulated command packet having at least an operation code and an argument that may comprise the destination of an addressable register; demodulating said wireless communication to extract said command packet from said communication; parsing said command packet to extract said operation code and said argument; and performing said operation upon any remaining portions of said communication in cooperation with said argument.
Claim 3
Dependent Claim
75 words
A register modeled system of wireless communication, wherein individual communication units are viewed as registers, a method for communicating between communications units comprising the steps of: generating a command packet further comprising at least an operation code and an argument that may comprise the destination of an addressable register; appending any remaining portions of a desired communication; modulating said command packet and any remaining portions to construct said wireless communication; and transmitting said wireless communication.
Claim 4
Dependent Claim
75 words
A register modeled system of wireless communication, wherein individual communication units are viewed as registers, a method for communicating between communications units comprising the steps of: generating a command packet further comprising at least an operation code and an argument that may comprise the destination of an addressable register; appending any remaining portions of a desired communication; modulating said command packet and any remaining portions to construct said wireless communication; and transmitting said wireless communication.
Claim 5
Dependent Claim
51 words
A register modeled, wireless communication system as claimed in claim 2, wherein said packet generating step further comprises the steps of: generating a cyclic redundancy check code from said command packet; appending said cyclic redundancy check code to said command packet; coding said appended command packet in a convolutional encoder means.
Claim 6
Dependent Claim
27 words
A register modelled, wireless communication system as claimed in claim 1 or 2, wherein said remaining communications portions may further comprise: voice, data, or any combination thereof.
Claim 7
Dependent Claim
21 words
A register modelled, wireless communication system as claimed in claim 1 or 2, wherein said command packet further comprises an address.
Claim 8
Dependent Claim
23 words
A register modelled, wireless communication system as claimed in claim 5, wherein said address further comprises: fleet, group, unit or all address portions.
Claim 9
Dependent Claim
57 words
A register modelled, wireless communication system as claimed in claim 1, wherein said command packet further comprises an address; wherein said parsing step(s) further comprise parsing said command packet to extract a received address; and wherein said operation performing steps occur only when corresponding portions of said received address and a unit's predetermined address are substantially identical.
Claim 10
Dependent Claim
26 words
A register modelled, wireless communication system as claimed in claim 1 or 2, wherein said transmitting and said receiving step, respectively, is performed with a tranceiver.
Claim 11
Independent Claim
83 words
A system of remote unit command via wireless communication, said unit having a device controller and capable of having a plurality of register modelled devices, comprising the steps of: addressing said device controller via a command packet comprised of at least an operation code and an argument; and commanding said device controller to redirect, via an addressable register identified by said argument, any remaining portions of said communication to, or append any remaining portions from, one of said plurality of register modeled devices.
Claim 12
Independent Claim
83 words
A system of remote unit command via wireless communication, said unit having a device controller and capable of having a plurality of register modelled devices, comprising the steps of: addressing said device controller via a command packet comprised of at least an operation code and an argument; and commanding said device controller to redirect, via an addressable register identified by said argument, any remaining portions of said communication to, or append any remaining portions from, one of said plurality of register modeled devices.
References Cited (Backward Citations)
US4027243A
Cited
US4012597A
Cited
US4152647A
Cited
US4369443A
Cited
US4383257A
Cited
US4434461A
Cited
US4427980A
Cited
US4430742A
Cited
US4449248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-19 | 1989-11-18 | 1990-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-19 | 1993-11-18 | 1994-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-19 | 1997-11-18 | 1998-05-20 | $7700.00 | Window Closed / Lapsed |