Access-protected programmable instrument system responsive to an instrument-pass
First Claim
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1. A gauge system comprising:
- an electronic instrument including at least one programmable feature and at least one access module restricting access to the at least one programmable feature; and
an instrument-pass operable with the access module, wherein the access module is responsive to the instrument-pass to allow and to restrict access to the at least one programmable feature.
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Abstract
An electronic gauge system having an access module to restrict access to at least one programmable feature of the gauge. The access module is responsive to an instrument-pass to allow and to restrict access to at least one of the programmable features of the gauge. The gauge system may be coupled to a transmitter that allows the gauge to communicate with a central control system.
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Citations
50 Claims
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1. A gauge system comprising:
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an electronic instrument including at least one programmable feature and at least one access module restricting access to the at least one programmable feature; and
an instrument-pass operable with the access module, wherein the access module is responsive to the instrument-pass to allow and to restrict access to the at least one programmable feature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of providing security for a gauge comprising:
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detecting the presence of an instrument-pass; and
if the instrument-pass satisfies predetermined access criteria, allowing access to at least one programmable feature of the gauge. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A method of providing security for a gauge comprising:
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reading information from an instrument-pass;
determining if the read information satisfies predetermined access criteria; and
selectively allowing and denying access to at least one programmable feature of the gauge based on the determination of whether the read information satisfies predetermined access criteria. - View Dependent Claims (36, 37, 38, 39)
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40. A gauge system comprising:
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an electronic diagnostic gauge including access module for restricting access to the electronic gauge;
a first instrument-pass, wherein the access module is responsive to the first instrument-pass to allow a first level of access to the electronic gauge; and
a second instrument-pass, wherein the access module is responsive to the second instrument-pass to allow a second level of access to the electronic gauge.
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41. A gauge system comprising:
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an instrument-pass including access information; and
an electronic instrument including an access module responsive to the instrument-pass to allow or deny access to at least one programmable feature of the gauge based on the access information. - View Dependent Claims (42, 43, 44)
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45. A gauge management system comprising:
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an instrument-pass;
an entry module operable to control access to an instrument;
an input/output device; and
a function module operable to manipulate programmable features of the instrument, wherein the entry module allows access to the gauge upon receiving a predefined access criteria from the instrument-pass, and wherein the function module manipulates the programmable features of the instrument based on input from the input/output device. - View Dependent Claims (46, 47, 48, 49, 50)
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Specification