Wireless headset

• US 5,982,904 A
• Filed: 01/22/1998
• Issued: 11/09/1999
• Est. Priority Date: 01/22/1998
• Status: Expired due to Fees

• Current Assignee: Voice Communication Interface Corporation
• Original Assignee: Voice Communication Interface Corporation
• Inventors: Cullen, Mark F., Eghtesadi, Khosrow
• Primary Examiner(s): Harvey, Minsun Oh
• Application Number:
  US09/009,866
• Time in Patent Office: 656 Days
• Field of Search: 381/300, 381/309, 381/311, 381/74, 455/66, 455/90, 455/351, 455/569, 455/575
• US Class Current: 381/74
• CPC Class Codes: H04R 1/1091 Details not provided for in groups H04R1/1008 - H04R1/1083
• CPC Class Codes: H04R 2201/107 Monophonic and stereophonic headphones with microphone for two-way hands free communication
• CPC Class Codes: H04R 2420/07 Applications of wireless loudspeakers or wireless microphones
• CPC Class Codes: H04R 5/033 Headphones for stereophonic communication details thereof, e.g. relating to batteries, cables or control elements H04R1/10

Abstract

A wireless headset is provided, comprising: a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal; a portable receiver/transmitter electrically connected to the microphone for transmitting a first carrier frequency modulated according to the microphone'"'"'s electrical signal; a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, the remote receiver/transmitter also for transmitting a second carrier frequency modulated according to a second electrical signal; the portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal; and a speaker electrically connected to the portable receiver/transmitter for transforming the speaker'"'"'s electrical signal into a second audio signal, one of the first and second carrier frequencies being above 900 Megahertz, the other of the first and second carrier frequencies being below 900 Megahertz.

Claims

1. A wireless headset, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency being above 900 Megahertz and modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency being below 900 Megahertz and modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal corresponding to the second electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

a power distribution board being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution board for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution board, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution board, said transmitter board for transmitting and modulating the first carrier frequency.

2. The wireless headset, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal corresponding to the second electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

one of the first and second carrier frequencies being above 900 Megahertz, the other of the first and second carrier frequencies being below 900 Megahertz;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal containing a speech processor command;

a power distribution board being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution board for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution board, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution board, said transmitter board for transmitting and modulating the first carrier frequency.

3. A wireless communication system, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency being above 900 Megahertz and modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency being below 900 Megahertz and modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal, said computer for generating a command to said speech processor;

a machine being electrically connected to said computer, said machine being capable of executing a command from said speech processor;

a power distribution board being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution board for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution board, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution board, said transmitter board for transmitting and modulating the first carrier frequency.

4. A wireless communication system, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

one of the first and second carrier frequencies being above 900 Megahertz;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal, said computer for generating a command to said speech processor;

a power distribution board being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution board for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution board, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution board, said transmitter board for transmitting and modulating the first carrier frequency.

5. A wireless headset, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency being below 900 Megahertz and modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal corresponding to the second electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

a power distribution assembly being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution assembly for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution assembly, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution assembly, said transmitter board for transmitting and modulating the first carrier frequency.

6. The wireless headset, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal corresponding to the second electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

one of the first and second carrier frequencies being below 900 Megahertz;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal containing a speech processor command;

a power distribution assembly being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution assembly for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution assembly, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution assembly, said transmitter board for transmitting and modulating the first carrier frequency.

7. A wireless communication system, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency being above 900 Megahertz and modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency being below 900 Megahertz and modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal, said computer for generating a command to said speech processor;

a machine being electrically connected to said computer, said machine being capable of executing a command from said speech processor;

a power distribution assembly being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution assembly for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution assembly, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution assembly, said transmitter board for transmitting and modulating the first carrier frequency.

8. A wireless communication system, comprising:

a microphone for receiving a first audio signal and for generating a corresponding microphone electrical signal;

a portable receiver/transmitter electrically connected to said microphone for transmitting a first carrier frequency modulated according to the microphone electrical signal;

a remote receiver/transmitter for receiving and demodulating the modulated first carrier frequency to generate a first electrical signal corresponding to the microphone electrical signal, said remote receiver/transmitter also for transmitting a second carrier frequency modulated according to a second electrical signal;

said portable receiver/transmitter also for receiving and demodulating the second modulated carrier frequency to generate a speaker electrical signal;

a speaker electrically connected to said portable receiver/transmitter for transforming the speaker electrical signal into a second audio signal;

one of the first and second carrier frequencies being above 900 Megahertz;

a speech processor being electrically connected to said remote receiver/transmitter for generating a first digital signal corresponding to the first electrical signal and generating the second electrical signal corresponding to a second digital signal;

a computer for receiving the first digital signal and generating and transmitting the second digital signal, said computer for generating a command to said speech processor;

a power distribution assembly being electrically connectable to a battery and adapted to accept a voltage from the battery, said power distribution assembly for generating a first output voltage and a second output voltage, said first output voltage having a voltage level different than said second output voltage;

a receiver board being electrically connected to said first output voltage of said power distribution assembly, said receiver board for receiving and demodulating the second carrier frequency; and

a transmitter board being electrically connected to said second output voltage of said power distribution assembly, said transmitter board for transmitting and modulating the first carrier frequency.