Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Automatic-switching wireless communication device










Image Number 12 for United States Patent #7826805.

A base unit and a handset comprise a wireless part, a control part, and a transmission (151) and reception part (150), respectively. Communications are switched by either of the two ways: PTT switching and tone generation in the base unit, and tone detection in the handset or PTT switching in the base unit, and voice detection in the handset. It is preferable that the transmission (151) and reception (150) part of the handset includes a single transducer type headphone. It is also preferable that photo-coupler (41, 43) and a photo-switch (42) are provided at connection point of signal paths between the transmission (151) and reception part (150), the control part, and between the control part and the wireless part.








 
 
  Recently Added Patents
Football kicking tee
Fuel cell and electronic device
Electrical connector
Method for disambiguating multiple readings in language conversion
Method and arrangement for blind demultiplexing a polarisation diversity multiplex signal
Time shifting enhanced television triggers
Thin profile cam switch assemblies
  Randomly Featured Patents
Catalyst for production of acetic acid
Nucleic acid analysis using sequence-targeted tandem hybridization
Method and apparatus for prepping surfaces with a high-frequency forced pulsed waterjet
Conveyor and fixing unit for substrates
System for identifying patterns in biological data using a distributed network
Multiphasic biofunctional nano-components and methods for use thereof
System and method for data bus communication system between external card connection device and host device
Auger shaped fluid medium engaging member
Liquid applying apparatus and ink jet printing apparatus
Method and system for evaluating confidence in a sending domain to accurately assign a trust that a communication is not unwanted