An intelligent electronic device (IED) having a gain control unit adapted to selectively regulate operating ranges of output signals of a sensing circuit of the device is described. In one embodiment, the IED is a digital electric power and energy meter, which operating ranges for supply voltages and supply currents of electrical services may be adjusted to match pre-determined ranges for input signals of a data acquisition system or a data processing module of the meter.

Claims

20 · 3 independent · depth 4

20 granted claims

›1.independentAn intelligent electronic device (IED) having enhanced power quality and communications capabilities, the IED comprising:n(a) at least one input chann…+4

›6.independentAn intelligent electronic device (IED) having enhanced power quality and communications capabilities, the IED comprising:n(a) at least one input chann…+4

›11.independentAn intelligent electronic device (IED) having enhanced power quality and communications capabilities, the IED comprising:n(a) at least one input chann…+9

›12.↳ 11The IED of claim 11, wherein the envelope type waveform trigger algorithm is adaptive.d2

›13.↳ 11The IED of claim 11, wherein the at least one processor adapts the values of the envelope type waveform trigger algorithm to a steady state voltage of…d2+3

›17.↳ 11The IED of claim 11, wherein the stored said waveform samples include at least one sample from at least one cycle before the trigger and at least one …d2+1

›19.↳ 11The IED of claim 11, wherein the at least one processor evaluates the stored said waveform samples, based on the trigger, for at least one power quali…d2+1

Classifications

3 codes

IPC · International Patent Classification

Section G — Physics

G06F15/00

USPC · US Patent Classification

702/64702/66

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoom

USPTOApplicanthover for detail · click to open

Pendency

3.3 y

1,195 days filing → grant

Office actions

non-final + final

Responses

2 RCE

Examiner

Bryan Bui

art unit 2857 · TC 2800

Law firm

Law firm · Log in to unlock

Citations: 33 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Priority chain

2 priority documents

Priority

27 Jan 2005

earliest claimed

›Priority documents — 2

Type	Document	Date
provisional	US 60647669	27 Jan 2005
related publication	US 20080234957 A1	25 Sep 2008

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.