JPH01113049U

JPH01113049U -

Info

Publication number: JPH01113049U
Application number: JP1030788U
Authority: JP
Priority date: 1988-01-27
Filing date: 1988-01-27
Publication date: 1989-07-28

Description

[Brief explanation of the drawing]

第１図はこの考案に係るスピーカ装置の一実施
例を示す概略説明図、第２図は第１図の一部断面
図、第３図はこの考案に係るスピーカ装置の他の
実施例を示す断面図、第４図は従来の車載用スピ
ーカ装置を示す外観図、第５図は第４図の断面図
、第６図は第４図に示す車載用スピーカ装置をリ
ヤシエルフに設置した状態を示す車体断面図、第
７図は従来のスピーカ装置をダツシユボードに埋
め込んだ状態を示す車体断面図、第８図は従来の
スピーカユニツトをリヤシエルフに装着した状態
を示す車体断面図、第９図は複合形直接放射スピ
ーカ装置の基本構成を説明する図である。図において、１０は座席、１１は音響箱、１２
ａは主スピーカユニツト、１２ｂは副スピーカユ
ニツト、１６は密閉空間、１７は管、３０はヘツ
ドレストである。なお、各図中同一符号は同一ま
たは相当部分を示す。 Fig. 1 is a schematic explanatory diagram showing one embodiment of the speaker device according to this invention, Fig. 2 is a partial sectional view of Fig. 1, and Fig. 3 shows another embodiment of the speaker device according to this invention. 4 is an external view of a conventional vehicle-mounted speaker device, FIG. 5 is a sectional view of FIG. 4, and FIG. 6 is a state in which the vehicle-mounted speaker device shown in FIG. 4 is installed in the rear shelf. Figure 7 is a cross-sectional view of the car body showing a conventional speaker unit embedded in the dash board, Figure 8 is a cross-sectional view of the car body showing a conventional speaker unit installed in the rear shelf, and Figure 9 is a composite type. FIG. 2 is a diagram illustrating the basic configuration of a direct radiation speaker device. In the figure, 10 is a seat, 11 is a sound box, 12
a is a main speaker unit, 12b is a sub speaker unit, 16 is a closed space, 17 is a tube, and 30 is a headrest. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A composite type direct speaker unit consisting of a main speaker unit mounted on a sound box and radiating sound directly to the outside, and a sub-speaker unit mounted inside the sound box so as to radiate the same sound to the back of the main speaker unit. A vehicle-mounted speaker device characterized in that a radiation speaker device is provided in a seat in a vehicle interior and connected to a closed space using a dead space of a headrest via a pipe to supplement the closed space behind a sub-speaker unit.