Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 181/132
Name: Acoustics > Anatomic or prosthetic relation > Ear and mouth > Auditory canal insert > With diaphragm
Description: Subject matter including a flexible element which form part of a sound sensing device.










Patents under this class:

Patent Number Title Of Patent Date Issued
8567555 Dual bore canalphone system Oct. 29, 2013
8275140 Transducer for sensing actual or simulated body sounds Sep. 25, 2012
7864974 Earphone device integrated with microphone Jan. 4, 2011
7593534 Transducer for bioacoustic signals Sep. 22, 2009
7074296 In-ear hearing aid and method for its manufacture Jul. 11, 2006
6879696 In-ear hearing aid and method for its manufacture Apr. 12, 2005
6847720 Quick-updating stethoscope receiver Jan. 25, 2005
6768803 Method and apparatus for selective acoustic signal filtering Jul. 27, 2004
6378648 Diaphragm assembly for stethoscope chest piece Apr. 30, 2002
6307943 Electro-acoustic transducer and housing Oct. 23, 2001
5467775 Modular auscultation sensor and telemetry system Nov. 21, 1995
5222050 Water-resistant transducer housing with hydrophobic vent Jun. 22, 1993
5113967 Audibility earplug May. 19, 1992
5031219 Apparatus and method for conveying amplified sound to the ear Jul. 9, 1991
5022486 Sound reproducing apparatus Jun. 11, 1991
4995473 Stethoscope with diaphragm head adapter Feb. 26, 1991
4852683 Earplug with improved audibility Aug. 1, 1989
4809811 Ear pad construction for earphones Mar. 7, 1989
4540063 Sound wave attenuation device Sep. 10, 1985
4420657 Adjustable headset Dec. 13, 1983











 
 
  Recently Added Patents
Selecting one of a plurality of print modes based on pixel coverage of a document
Image surveillance system and method of detecting whether object is left behind or taken away
Data transfer device and data transfer method
Electronic hand-held device
Trading related to fund compositions
Method and apparatus for detection of the remote origin fraction of radon present in a measuring site
Processing circuitry for use with a position sensor
  Randomly Featured Patents
Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
Scrunchy
Solder alloy
Protective relay for power systems having fault distance measurement filter logic
Exposure apparatus and method responsive to light beam wavelength variation
Coating compositions for coatings that are permeable to water vapor and a process for their preparation
Methods for analyzing USB data traffic using a single USB host controller
Four mosfet full bridge module
Solids feeder having a solids-liquid separator
Contaminant detector