| 54 |
Title |
TI |
[EN] Mobile radiotelephone with handsfree device |
| 71/73 |
Applicant/owner |
PA |
PHILIPS CORP, US
|
| 72 |
Inventor |
IN |
JANSE KEES, NL
;
KELLERMANN WALTER, DE
;
KNIBBLER CHARLES, NL
;
MARTIN RAINER, DE
|
| 22/96 |
Application date |
AD |
Jun 12, 1995 |
| 21 |
Application number |
AN |
42425795 |
|
Country of application |
AC |
US |
|
Publication date |
PUB |
Nov 10, 1998 |
33
31
32 |
Priority data |
PRC
PRN
PRD |
DE
4330143
Sep 7, 1993
|
33
31
32 |
PRC
PRN
PRD |
IB
9400265
Sep 7, 1994
|
| 51 |
IPC main class |
ICM |
H04B 15/00
|
| 51 |
IPC secondary class |
ICS |
|
|
IPC additional class |
ICA |
|
|
IPC index class |
ICI |
|
|
Cooperative patent classification |
CPC |
H04M 1/19
H04M 1/6075
H04R 2499/13
H04R 3/00
H04R 3/005
H04R 3/04
|
|
MCD main class |
MCM |
|
|
MCD secondary class |
MCS |
H04M 1/02
(2006.01)
H04M 1/19
(2006.01)
H04M 1/60
(2006.01)
H04R 3/00
(2006.01)
H04R 3/04
(2006.01)
|
|
MCD additional class |
MCA |
|
| 57 |
Abstract |
AB |
[EN] PCT No. PCT/IB94/00265 Sec. 371 Date Jun. 12, 1995 Sec. 102(e) Date Jun. 12, 1995 PCT Filed Sep. 7, 1994 PCT Pub. No. WO95/07597 PCT Pub. Date Mar. 16, 1995A mobile radio transceiver comprising a hands-free facility, which hands-free facility combines at least two acoustic input signals to produce an output signal, and an adaptive filter is provided for filtering the combined output signal. To achieve an improved speech quality, a high-pass filter is provided for filtering the acoustic input signals. |
| 56 |
Cited documents identified in the search |
CT |
JP00000H048100A
JP0000H0595596A
JP0000S5310841A
JP000H05161191A
JP000H06269083A
JP000S56152337A
US000004536887A
US000004696043A
US000004802227A
US000005058170A
US000005226087A
US000005473702A
US000005559881A
|
| 56 |
Cited documents indicated by the applicant |
CT |
|
| 56 |
Cited non-patent literature identified in the search |
CTNP |
A Microphone Array with Adaptive Postfiltering for Noise Reduction in Reverberant Room by Rainer Zelinski, ICASSP 88, pp. 2578 to 3581. 0
|
| 56 |
Cited non-patent literature indicated by the applicant |
CTNP |
|
|
Citing documents |
|
Determine documents
|
|
Sequence listings |
|
|
|
Search file IPC |
ICP |
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