JPH0364147U

JPH0364147U -

Info

Publication number: JPH0364147U
Application number: JP12694089U
Authority: JP
Priority date: 1989-10-30
Filing date: 1989-10-30
Publication date: 1991-06-21

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、第１の本考案に係る車両の警報装置
のブロツク構成図、第２図は、第２の本考案に係
る車両の警報装置のブロツク構成図、第３図は、
本考案の基本的な思想を説明するための図、第４
図は、第１の本考案の原理を説明するグラフ図、
第５図は、本考案に用いる警報条件判定回路の一
実施例を示した図、第６図は、本考案に用いる車
速対応レベル発生回路の一実施例を示した図、第
７図は、第１の本考案に用いる周波数可変発振回
路の一実施例を示した図、第８図は、第２の本考
案に用いる発振回路の一実施例を示したブロツク
図、第９図は、第８図に用いるＶＣＯの実施例を
示した回路図、第１０図は、第９図の実施例の動
作を説明するための図、第１１図は、本考案に用
いる計時回路の一実施例を示した図、である。第１図及び第２図において、１……警報条件判
定回路、２……車速センサ、３……車速対応レベ
ル発生回路、４……周波数可変発振回路、４０…
…発振回路、５……増幅回路、６……音響出力装
置、７……計時回路をそれぞれ示す。図中、同一
符号は同一又は相当部分を示す。 FIG. 1 is a block diagram of a vehicle alarm system according to the first invention, FIG. 2 is a block diagram of a vehicle alarm system according to the second invention, and FIG.
Diagram 4 to explain the basic idea of this invention
The figure is a graph diagram explaining the principle of the first invention,
FIG. 5 is a diagram showing an embodiment of the alarm condition determination circuit used in the present invention, FIG. 6 is a diagram showing an embodiment of the vehicle speed corresponding level generation circuit used in the present invention, and FIG. FIG. 8 is a block diagram showing an embodiment of the variable frequency oscillation circuit used in the first invention, FIG. 9 is a block diagram showing an embodiment of the oscillation circuit used in the second invention, and FIG. FIG. 8 is a circuit diagram showing an embodiment of the VCO used in the invention, FIG. 10 is a diagram for explaining the operation of the embodiment in FIG. 9, and FIG. 11 is a circuit diagram showing an embodiment of the timing circuit used in the present invention. This is the diagram shown. In FIGS. 1 and 2, 1...warning condition determination circuit, 2...vehicle speed sensor, 3...vehicle speed corresponding level generation circuit, 4...variable frequency oscillation circuit, 40...
... oscillation circuit, 5 ... amplifier circuit, 6 ... sound output device, 7 ... time measurement circuit, respectively. In the figures, the same reference numerals indicate the same or corresponding parts.

Claims

【実用新案登録請求の範囲】 (1) 車両の警報条件を判定する回路と、車速セ
ンサと、該車速に対応したレベルを発生する回路
と、該警報条件が満たされたとき所定の音響信号
に対応する電気信号を発生すると共に該車速対応
レベルに比例して高周波側へシフトする周波数可
変発振回路と、該周波数可変発振回路の出力信号
を増幅して音響出力装置に与える回路と、を備え
たことを特徴とする車両の警報装置。 (2) 更に計時回路を備え、該周波数可変発振回
路が、該警報条件が満たされた時から該計時回路
による所定時間内は該電気信号を実際の車速に関
係無く所定の高車速に対応する高周波側へシフト
することを特徴とする請求項１記載の車両の警報
装置。 (3) 車両の警報条件を判定する回路と、車速セ
ンサと、該車速に対応したレベルを発生する回路
と、該警報条件が満たされたとき断続型音響信号
に対応する電気信号を発生すると共にその吹鳴周
期を該車速対応レベルに反比例して短くする発振
回路と、該発振回路の出力信号を増幅して音響出
力装置に与える回路と、を備えたことを特徴とす
る車両の警報装置。 (4) 更に計時回路を備え、該発振回路が、該警
報条件が満たされた時から該計時回路による所定
時間内は該電気信号の吹鳴周期を実際の車速に関
係無く所定の高車速に対応する短周期にすること
を特徴とする請求項３記載の車両の警報装置。[Claims for Utility Model Registration] (1) A circuit that determines a vehicle alarm condition, a vehicle speed sensor, a circuit that generates a level corresponding to the vehicle speed, and a circuit that generates a predetermined acoustic signal when the alarm condition is met. A variable frequency oscillation circuit that generates a corresponding electric signal and shifts it to a higher frequency side in proportion to the vehicle speed corresponding level, and a circuit that amplifies the output signal of the frequency variable oscillation circuit and supplies it to the sound output device. A vehicle warning device characterized by: (2) It further includes a timing circuit, and the frequency variable oscillation circuit causes the electrical signal to correspond to a predetermined high vehicle speed regardless of the actual vehicle speed within a predetermined time period determined by the timing circuit from the time the alarm condition is satisfied. The vehicle alarm system according to claim 1, characterized in that the system shifts to a higher frequency side. (3) A circuit for determining a vehicle alarm condition, a vehicle speed sensor, a circuit for generating a level corresponding to the vehicle speed, and generating an electrical signal corresponding to the intermittent acoustic signal when the alarm condition is satisfied. A vehicle alarm device comprising: an oscillation circuit that shortens the blast period in inverse proportion to the vehicle speed corresponding level; and a circuit that amplifies the output signal of the oscillation circuit and supplies it to a sound output device. (4) Furthermore, a timing circuit is provided, and the oscillation circuit controls the blowing cycle of the electric signal to correspond to a predetermined high vehicle speed regardless of the actual vehicle speed within a predetermined time period determined by the timing circuit from the time the alarm condition is satisfied. 4. The vehicle alarm system according to claim 3, wherein the vehicle alarm system has a short cycle.