Title:
DETECTOR, LIGHT GUIDE AND UTILITY METER
Document Type and Number:
WIPO Patent Application WO/2014/076100
Kind Code:
A3
Abstract:
A detector is provided for detecting the interruption of a light path, the detector comprising a light emitter (2), a light receiver (4), and a light guiding arrangement disposed opposite the light emitter and receiver. A gap is defined between the light guiding arrangement and at least one of the light emitter and receiver to receive a movable part (24) capable of interrupting the light path there between. Also provided is a light guide for use with such a detector and a utility meter comprising such a detector. In one specific embodiment, an opto electronic detector for detecting rotation of a coding wheel in a utility meter is provided.
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Inventors:
HUGLER KARSTEN (DE)
Application Number:
PCT/EP2013/073661
Publication Date:
July 17, 2014
Filing Date:
November 12, 2013
Export Citation:
Assignee:
ITRON GMBH (DE)
International Classes:
G01D5/347
Foreign References:
| EP1995567A1 | 2008-11-26 | |||
| EP2213987A1 | 2010-08-04 | |||
| JPS60155919A | 1985-08-16 | |||
| DE102006047471A1 | 2008-04-10 | |||
| US20060043322A1 | 2006-03-02 | |||
| US3394630A | 1968-07-30 |
Attorney, Agent or Firm:
KORENBERG, Alexander et al. (20 Red Lion Street, London Greater London WC1R 4PJ, GB)
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