Title:
HEADREST AND HEADREST-CARRYING MOVABLE BODY
Document Type and Number:
WIPO Patent Application WO/1990/003136
Kind Code:
A1
Abstract:
The present invention relates to a headrest (1C, 2C) provided at the portion thereof which contacts the back of the head of an operator with a bone-conduction microphone (1B, 2B); a movable body having the headrest (1C, 2C) as a constructional element, and characterized in that an output from the bone-conduction microphone (1B, 2B) is used as a voice signal for the telephone and for the voice recognition controlling of a machine mounted on a vehicle; and a movable body having the same headrest as a constructional element, and characterized in that a doze of an operator is detected by an output from the bone-conduction microphone (1B, 2B).
Inventors:
YAMAMURA SOHEI (JP)
Application Number:
PCT/JP1989/000958
Publication Date:
April 05, 1990
Filing Date:
September 21, 1989
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
International Classes:
B60K28/06; B60R11/02; B60R16/02; B60R16/037; G10L15/00; A47C7/38; H04R1/00; H04R1/46; B60R11/00; (IPC1-7): A47C7/72; B60K28/06; B60R11/02; G10L3/00; H04R1/00
Foreign References:
| JPS5756624Y2 | 1982-12-06 | |||
| JPS5878250U | 1983-05-26 | |||
| JPS6067229A | 1985-04-17 |
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