Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/76
Name: Electrical audio signal processing systems and devices > Lecterns
Description: Subject matter having an enclosure in the form of a reading desk.

Patents under this class:

Patent Number Title Of Patent Date Issued
7424119 Voice matching system for audio transducers Sep. 9, 2008
5280543 Acoustic apparatus and driving apparatus constituting the same Jan. 18, 1994
5181251 Amplifier unit Jan. 19, 1993
5115470 Sound reinforcement system May. 19, 1992
4166926 Portable lectern and voice amplifier Sep. 4, 1979
4052561 Lectern with detent-hinged shelf for portable sound system Oct. 4, 1977
3999014 Padded furniture for reverent atmosphere Dec. 21, 1976
3972603 Automatic prompter Aug. 3, 1976

  Recently Added Patents
Field of view matching in a visual prosthesis
Playlist search device, playlist search method and program
Apparatus and method for information display of portable device
Non-zero rounding and prediction mode selection techniques in video encoding
System and method for selecting a video encoding format based on feedback data
Soybean cultivar CL1013663
Optical receiver and optical transfer apparatus
  Randomly Featured Patents
High-density memory with non-volatile storage array
Transducer assemblies for downhole tools
Channel estimation and detection for digital communication systems
Semiconductor memory
Freight railway car slackless drawbar assembly
OFDM in fast fading channel
Method and apparatus for controlling copper barrier/seed deposition processes
Ultra-thin SOI vertical bipolar transistors with an inversion collector on thin-buried oxide (BOX) for low substrate-bias operation and methods thereof
Image signal correction method and image signal correction apparatus
Method for using a fixture enabling more accurate machining of a part