"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7289638 | Electroacoustic microphone An electroacoustic capsule or electroacoustic transducer for an electroacoustic device has electrostrictive or magnetostrictive elements connected to a controllable power supply. Dimensional changes of the electrostrictive or magnetostrictive elements cause changes ... | 10/30/2007 |
| 4344163 | Record cueing apparatus for turntable tone arm For use with a phonograph turntable unit having a tone arm and means for lifting the tone arm to a cueing position spaced above the plane of the turntable, a cueing apparatus for laterally positioning the tone arm with respect to the turntable comprising ... | 08/10/1982 |
| 4147365 | Record player A record player capable of being installed into a wall comprises a housing integrally attached to the record player and provided with an opening in the front thereof so that the inner portion of the record player may be seen therethrough. An ilumination m... | 04/03/1979 |
| 4077635 | Device for selectively positioning the arm of a record player An improvement in a record player of the type having a base, turntable and a pivotally mounted, positionable tone arm comprising a device for selectively positioning the tone arm along the radius of a record to a repeatable position. The device comprises ... | 03/07/1978 |
| 3934884 | Precision piece selector on gramaphone record A generally comb shaped apparatus having a slot on one end to engage the center spindle of a record player, and having teeth that engage a tone arm to help position the tone arm to select a particular song from a record album.... | 01/27/1976 |