"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7463902 | Ultra short range communication with sensing device and method A method of communicating of the present invention includes broadcasting a signal from a transmission point. The power of the signal is limited such that the signal will attenuate within a predetermined distance from the transmission point. The signal is received by... | 12/09/2008 |
| 7209569 | Earpiece with an inertial sensor A communication device includes an earpiece housing adapted for fitting to an ear of a user such that the earpiece does not block the canal, an inertial sensor operatively connected to the earpiece housing for sensing positional changes of the user's ears, a process... | 04/24/2007 |
| 7203331 | Voice communication device A voice communication device including an earpiece adapted to be inserted into the external auditory canal of a user is disclosed. The earpiece is smaller than the interior of the external auditory canal and the earpiece does not block the canal. The earpiece includ... | 04/10/2007 |