Photo interrupter

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Description

FIG. 1 is a perspective view of the photo interrupter in accordance with my new design, showing an upper surface and side surfaces thereof as viewed from diagonally above;

FIG. 2 is a perspective view thereof, showing a bottom surface and side surfaces as viewed from diagonally above;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left side view thereof (a right side view thereof is symmetrical to FIG. 7).

The article is a photo interrupter having a light-emitting element and a light-receiving element facing each other; the light-receiving element detects an object blocking light from the light-emitting element, and thus determines a presence and position of the object.

Claims

The ornamental design for a photo interrupter, as shown and described here.

Referenced Cited
U.S. Patent Documents
4933729 June 12, 1990 Soejima et al.
5214495 May 25, 1993 Kitanishi
5291038 March 1, 1994 Hanamoto et al.
5436472 July 25, 1995 Ogawa
5672884 September 30, 1997 Muhleck et al.
D531583 November 7, 2006 Suzuki
D533141 December 5, 2006 Suzuki
D542232 May 8, 2007 Suzuki
7453079 November 18, 2008 Sano
7459711 December 2, 2008 Suzuki
20050056796 March 17, 2005 Takeuchi
20070018123 January 25, 2007 Sano
Patent History
Patent number: D614586
Type: Grant
Filed: Dec 22, 2008
Date of Patent: Apr 27, 2010
Assignee: Citizen Electronics Co., Ltd. (Yamanashi)
Inventor: Jo Kinoshita (Fujiyoshida)
Primary Examiner: Selina Sikder
Attorney: Browdy and Neimark, PLLC
Application Number: 29/329,818
Classifications
Current U.S. Class: Photocell Operated (21) (D13/165)