Hands-free device

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C455S575900, C455S090300, C379S420040

Reexamination Certificate

active

06965787

ABSTRACT:
A hands-free device includes a cellular phone of a driver, driver's speakers that output sounds to the driver, front speakers and rear speakers that output sounds widely in a car, a detection unit that outputs a detection signal to indicate whether there is a fellow passenger in the car or not, and control equipment that communicates with the cellular phone. In the case that the control equipment receives a telephone communication voice signal indicating telephone conversation voice of another party of the telephone conversation from the cellular phone, based on the detection signal outputted from the detection unit, when the control equipment judges that there is no fellow passenger, the control equipment has the telephone conversation voice outputted mainly from the front speakers and the rear speakers, and when the control equipment judges that there is a fellow passenger, the control equipment has the telephone conversation voice outputted mainly from the driver's speakers.

REFERENCES:
patent: 4042791 (1977-08-01), Wiseman
patent: 4490842 (1984-12-01), Watanabe
patent: 4696370 (1987-09-01), Tokumo et al.
patent: 4797934 (1989-01-01), Hufnagel
patent: 5634209 (1997-05-01), Prudhomme et al.
patent: 5974332 (1999-10-01), Chung
patent: 6044161 (2000-03-01), Lee
patent: 6089663 (2000-07-01), Hill
patent: 6108567 (2000-08-01), Hosonuma
patent: 6131042 (2000-10-01), Lee et al.
patent: 6141432 (2000-10-01), Breed et al.
patent: 6148253 (2000-11-01), Taguchi et al.
patent: 6505057 (2003-01-01), Finn et al.
patent: 6711399 (2004-03-01), Granier
patent: 43 00 848 (1993-08-01), None
patent: 1-156699 (1989-10-01), None
patent: 4-336800 (1992-11-01), None
patent: 5-092741 (1993-04-01), None
patent: 5-130010 (1993-05-01), None
patent: 6-130973 (1994-05-01), None
patent: 7-087586 (1995-03-01), None
patent: 7-131883 (1995-05-01), None
patent: 7-329639 (1995-12-01), None
patent: 8-289389 (1996-11-01), None
patent: 9-083277 (1997-03-01), None
patent: 2001-037000 (2001-02-01), None
patent: 97/27697 (1997-07-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Hands-free device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hands-free device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hands-free device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3520675

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.