Multimode electronic calipers having ratiometric mode and simplified user interface

Inactive Publication Date: 2006-05-18
MITUTOYO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008] The ratiometric mode of operation described above is implemented, in various embodiments, to provide using a simple and intuitive user int

Problems solved by technology

As such, manufacturers and users are reluctant to accept design variations which increase the functional complexity, increase the number of buttons or decrease their ergonomic spacing, increase the ergonomic dimensions of the electronic housing, or decrease the ergonomic visibility of LCD display elements, etc., even to a moderate extent.
Previously proposed methods for adding additional measurement functions to electronic calipers are generally not acceptable according to the aforementioned acceptance factors.
However, such buttons are not conventionally provided on electronic calipers, and their addition and use would necessaril

Method used

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  • Multimode electronic calipers having ratiometric mode and simplified user interface
  • Multimode electronic calipers having ratiometric mode and simplified user interface
  • Multimode electronic calipers having ratiometric mode and simplified user interface

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Embodiment Construction

[0016] In the following descriptions, reference numbers generally having the same trailing digits refer to analogous or identical elements, unless otherwise indicated by description or context. As such, the description of one or more such similar elements will be understood to apply to other similar elements unless otherwise indicated by description or context.

[0017]FIG. 1 is a block diagram illustrating one exemplary embodiment of a multimode measuring instrument system 100 according to this invention. As shown in FIG. 1, the multimode measuring instrument system 100 includes a transducer 101, a signal processing and control unit 102, a power supply 103, a display 104, a user control portion 109, and may, optionally, include an external data interface 108 usable to connect the signal processing and control unit 102 to exchange control signals and / or measurement data with an external computer, or the like. The user control portion 109 includes a mode selecting element 105, a refere...

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Abstract

A multimode electronic measuring instrument is provided that includes a ratiometric mode of operation. During the ratiometric mode, a desired dimension is established as a stored reference dimension “Xref”. After the reference dimension is stored in memory, subsequent ratiometric measurement readouts will equal a current measurement distance “Xcurr” divided by the reference dimension Xref. A ratiometric measurement according to this invention indicates the relationship of a current dimension to another readily changed (reference) dimension. The ratiometric mode of operation can be implemented in combination with conventional function caliper functions to provide a multimode caliper having a simple and intuitive user interface. Setting the reference dimension and interpreting the ratiometric measurement display are particularly easy, to facilitate intuitive understanding and operation.

Description

FIELD OF THE INVENTION [0001] The invention relates generally to electronic calipers, micrometers, digital scales, and similar length and angle measuring devices. More particularly, it relates to electronic calipers and the like that can be operated using a simplified control method to provide either ratiometric measurements or measurements in terms of conventional distance or angle units. BACKGROUND OF THE INVENTION [0002] Most electronic calipers, dividers, and the like that are currently in use provide measurements only in conventional length or angle units such as inches, millimeters, degrees or radians. Furthermore, devices that provide such measurements, particularly in the case of commercially available electronic calipers, have become near-commodities. That is, the user-controlled functions provided, the number and spacing of the buttons provided to activate the functions, and the dimensions of the electronic housing and the LCD display portion, and the like, have settled in...

Claims

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Application Information

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IPC IPC(8): G01B5/00
CPCG01B3/205
Inventor FELDMAN, MARK
Owner MITUTOYO CORP
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