METHOD AND SYSTEM FOR DIGITAL PEN ASSEMBLY
First Claim
Patent Images
1. A receiving unit for receiving an acoustic signal from a digital pen, comprising:
- a housing;
at least two ultrasound receivers, for receiving ultrasound signals from the digital pen, the ultrasound receivers comprising electret microphones, the electret microphones being located in location holes in the housing;
an electric circuit connected to said electret microphones, and configured to extract ultrasound signals received by said ultrasound receivers, andat least one attachment device, for removably attaching the receiving unit to a further item.
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Accused Products
Abstract
A receiving unit for receiving an acoustic signal from a digital pen, comprises: a housing; at least two ultrasound receivers, for receiving ultrasound signals from the digital pen, the ultrasound receivers comprising electret microphones, the electret microphones being located in location holes in the housing; and an electric circuit connected to said electret microphones, to extract ultrasound signals received by the ultrasound receivers. An attachment device may removably attach the receiving unit to another item.
112 Citations
20 Claims
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1. A receiving unit for receiving an acoustic signal from a digital pen, comprising:
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a housing; at least two ultrasound receivers, for receiving ultrasound signals from the digital pen, the ultrasound receivers comprising electret microphones, the electret microphones being located in location holes in the housing; an electric circuit connected to said electret microphones, and configured to extract ultrasound signals received by said ultrasound receivers, and at least one attachment device, for removably attaching the receiving unit to a further item. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of manufacturing a receiving unit for receiving ultrasonic signals from a digital pen and determining a location of said pen, the method comprising:
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providing a housing having two dedicated microphone holes; inserting into each of said microphone holes an electret microphone; mounting onto a printed circuit board processing electronics for locating said digital pen based on electronic decoding of said ultrasonic signals; inserting said printed circuit board into said housing; connecting said electret microphones to predetermined signal input points on said printed circuit board, said connecting being carried out while said electret microphones are within said microphone holes in said housing; and providing an attachment device, for removably attaching the receiving unit to a further item. - View Dependent Claims (19, 20)
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Specification