JPH0418900U

JPH0418900U -

Info

Publication number: JPH0418900U
Application number: JP5855390U
Authority: JP
Priority date: 1990-06-01
Filing date: 1990-06-01
Publication date: 1992-02-17

Description

[Brief explanation of the drawing]

第１図は本考案の実施例１を示す斜視図、第２
図は同上の２次音生成装置のブロツク図、第３図
は本考案の実施例２を示す斜視図である。１ａ……ベツド、１ｂ……椅子、２……ヘツド
ボード、３ａ〜３ｃ……マイクロホン、４ａ〜４
ｃ……スピーカ、５……２次音生成装置。 Fig. 1 is a perspective view showing the first embodiment of the present invention; Fig. 2 is a perspective view showing the first embodiment of the present invention;
This figure is a block diagram of the secondary sound generating device same as above, and FIG. 3 is a perspective view showing a second embodiment of the present invention. 1a...Bed, 1b...Chair, 2...Headboard, 3a-3c...Microphone, 4a-4
c...Speaker, 5...Secondary sound generation device.

Claims

[Scope of claim for utility model registration] (1) A microphone for detecting primary sounds in the surroundings is installed near the user's head in a furniture body, such as a bed or chair, in which the user's head is positioned almost in a predetermined position. , a speaker for transmitting secondary sound, and the speaker is driven by the output of a secondary sound generation device that generates a secondary sound signal that cancels the primary sound detected by the microphone. (2) The silent furniture according to claim 1, wherein a plurality of sets of microphones and speakers are provided, and each set of the microphones and speakers is arranged at positions substantially facing each other with at least the head of the user in between.