JPH044275U - - Google Patents
Info
- Publication number
- JPH044275U JPH044275U JP4494590U JP4494590U JPH044275U JP H044275 U JPH044275 U JP H044275U JP 4494590 U JP4494590 U JP 4494590U JP 4494590 U JP4494590 U JP 4494590U JP H044275 U JPH044275 U JP H044275U
- Authority
- JP
- Japan
- Prior art keywords
- display device
- device drive
- outputs
- circuit section
- drive circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Instrument Panels (AREA)
Description
第１図は本考案の一実施例を示す概略構成図で
ある。
１……パルス発生器、２……デジタル変換器、
３……表示装置駆動用回路部、４……表示装置、
５……Ｄ／Ａ変換器、６……直流電圧端、ａ……
パルス信号、ｂ……デジタル信号、ｃ……表示装
置駆動信号、Ｖ……直流電圧。
FIG. 1 is a schematic diagram showing an embodiment of the present invention. 1...Pulse generator, 2...Digital converter,
3...Display device driving circuit section, 4...Display device,
5...D/A converter, 6...DC voltage terminal, a...
Pulse signal, b...Digital signal, c...Display device drive signal, V...DC voltage.
Claims (1)
る毎にパルス信号を出力するパルス発生器と、こ
のパルス発生器から出力されるパルス信号の周波
数に比例したデジタル信号を出力するデジタル変
換器と、このデジタル変換器から出力されるデジ
タル信号により所定の表示装置駆動信号を出力す
る表示装置駆動用回路部と、この表示装置駆動用
回路部から出力される表示装置駆動信号により駆
動され車速などを表示する表示装置とから構成さ
れる車両の計器装置において、前記デジタル変換
器にＤ／Ａ変換器を付設して前記パルス発生器か
ら出力されるパルス信号の周波数に応じた直流電
圧を導出する直流電圧端子を設けたことを特徴と
する車両の計器装置。 A pulse generator that outputs a pulse signal every time an object to be measured such as the number of rotations of a wheel changes by a predetermined amount, and a digital converter that outputs a digital signal proportional to the frequency of the pulse signal output from this pulse generator. , a display device drive circuit section that outputs a predetermined display device drive signal based on the digital signal output from the digital converter, and a display device drive circuit section that outputs a predetermined display device drive signal using the digital signal outputted from the digital converter, and a display device drive circuit section that is driven by the display device drive signal output from this display device drive circuit section to control vehicle speed, etc. In a vehicle instrument device comprising a display device for displaying a DC voltage, a D/A converter is attached to the digital converter to derive a DC voltage according to the frequency of a pulse signal output from the pulse generator. A vehicle instrument device characterized by being provided with a voltage terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4494590U JPH044275U (en) | 1990-04-26 | 1990-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4494590U JPH044275U (en) | 1990-04-26 | 1990-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044275U true JPH044275U (en) | 1992-01-16 |
Family
ID=31558695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4494590U Pending JPH044275U (en) | 1990-04-26 | 1990-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044275U (en) |
-
1990
- 1990-04-26 JP JP4494590U patent/JPH044275U/ja active Pending
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