Flip on/off detector
First Claim
1. A sensor unit for a cellular phone having a cover member attached to a phone housing and pivotable between an open position and a closed position, the sensor unit comprising:
- a signal emitter attached to the phone housing;
a signal receiver attached to the phone housing and spaced from said signal emitter;
a baffle attached to the cover member and disposed in the space between said signal emitter and said signal receiver when the cover is in the closed position, anda transmit window attached to the phone housing between said signal emitter and said signal receiver wherein said transmit window is formed of a material having narrow band pass properties.
8 Assignments
0 Petitions
Accused Products
Abstract
A sensor unit for an electronic device having a pivotable cover member includes a signal emitter, a signal receiver spaced from the signal emitter, and a baffle attached to the cover member and disposed in the space between the signal emitter and the signal receiver when the cover is in its closed position. A transmit window disposed between the signal emitter and the signal receiver is permeable to signals falling within a specified wavelength range, thereby ensuring the accuracy of the signal. When the sensor unit is applied to a cellular phone, for example, the phone can be automatically in an "off hook" or "on hook" condition automatically in accordance with whether the cover member is in its open position or closed position, and an operator need only perform a single operation to answer or terminate a call or to power up the phone.
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Citations
16 Claims
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1. A sensor unit for a cellular phone having a cover member attached to a phone housing and pivotable between an open position and a closed position, the sensor unit comprising:
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a signal emitter attached to the phone housing; a signal receiver attached to the phone housing and spaced from said signal emitter; a baffle attached to the cover member and disposed in the space between said signal emitter and said signal receiver when the cover is in the closed position, and a transmit window attached to the phone housing between said signal emitter and said signal receiver wherein said transmit window is formed of a material having narrow band pass properties. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A cellular phone comprising:
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a phone housing; a cover member attached to said phone housing and pivotable between an open position and a closed position; and a signal unit disposed between said phone housing and said cover member that indicates whether said cover member is in said open position or said closed position, said signal unit including; a signal emitter attached to said phone housing, a signal receiver attached to said phone housing and spaced from said signal emitter, a baffle attached to said cover member and disposed in the space between said signal emitter and said signal receiver when said cover is in said closed position, and a transmit window attached to the phone housing between said signal emitter and said signal receiver wherein said transmit window is formed of a material having narrow band pass properties. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification