Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Reexamination Certificate
2007-12-11
2007-12-11
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
C033S366110, C033S391000
Reexamination Certificate
active
11376224
ABSTRACT:
A rotation sensor comprising a Y-shaped strip and a conducting strip is disposed in a digital imaging device. The conducting strip is disposed below the Y-shaped strip. The Y-shaped strip has two sensing arms and a fixed arm. A metal piece is disposed on each of the two sensing arms. When the sensing arm hangs down due to the weight of the metal piece to touch the conducting strip, the Y-shaped strip and the conducting strip will form a closed circuit and send out a signal. Whether the digital imaging device is rotated is determined based on this signal. Whether the device body is horizontal or vertical can thus be accurately and quickly determined. Moreover, because the detection is accomplished through gentle deformation or rotation of the sensing arms, there will be no noise during the detection process.
REFERENCES:
patent: 828521 (1906-08-01), Sinclair
patent: 1654964 (1928-01-01), Crumbach et al.
patent: 2600363 (1952-06-01), Morris
patent: 3079697 (1963-03-01), Lunde
patent: 3791042 (1974-02-01), Bell
patent: 3805398 (1974-04-01), Russell et al.
patent: 3975831 (1976-08-01), Jysky et al.
patent: 4277895 (1981-07-01), Wiklund
patent: 5740881 (1998-04-01), Lensak
patent: 6282804 (2001-09-01), Jiang
patent: 6708416 (2004-03-01), Havens et al.
patent: 2005/0198846 (2005-09-01), Nagata
patent: 2006/0137199 (2006-06-01), Ikuta
Altek Corporation
Bennett G. Bradley
Rosenberg , Klein & Lee
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