JPH01181089U - - Google Patents
Info
- Publication number
- JPH01181089U JPH01181089U JP7800788U JP7800788U JPH01181089U JP H01181089 U JPH01181089 U JP H01181089U JP 7800788 U JP7800788 U JP 7800788U JP 7800788 U JP7800788 U JP 7800788U JP H01181089 U JPH01181089 U JP H01181089U
- Authority
- JP
- Japan
- Prior art keywords
- driver
- illuminance
- display
- brightness
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図、第２図および第３図は本考案の実施例
を示す表示器の輝度可変装置の回路図、第４図は
光センサーの特性図、第５図は光の照度の違いを
デユーテイ変化にする表示器の表示状態図である
。
１……マイコン、１２……照度検知回路、１３
，２０，２１……ドライバー、１４……リレー、
１５，１６，１７……抵抗、１８……トランジス
ター、１９……表示器。
Figures 1, 2, and 3 are circuit diagrams of a display brightness variable device showing an embodiment of the present invention, Figure 4 is a characteristic diagram of the optical sensor, and Figure 5 shows the duty ratio for varying the illuminance of light. It is a display state diagram of the indicator which changes. 1...Microcomputer, 12...Illuminance detection circuit, 13
, 20, 21...driver, 14...relay,
15, 16, 17...Resistor, 18...Transistor, 19...Display device.
Claims (1)
ナミツク点灯させるマイコン１をドライバー２０
，２１を介して接続し、ドライバー２０に光の照
度を検知する照度検知回路１２の出力に基づく信
号を入力し、該照度検知回路１２が光の照度があ
る値になつたことを検知した時に表示器１９の輝
度を変化させることを特徴とする表示器の輝度可
変装置。 ２ 照度検知回路１２の出力をマイコン１、リレ
ー駆動用ドライバー１３、リレー１４および抵抗
１５よりなるドライバー２０への印加電圧変換回
路に入力し、ドライバー２０から表示器１９に印
加される電圧を光の照度により変化させるものと
した請求項第１項記載の表示器の輝度可変装置。 ３ 照度検知回路１２の出力を抵抗１６、１７、
トランジスター１８、リレー１４および抵抗１５
よりなるドライバー２０への印加電圧変換回路に
入力し、ドライバー２０から表示器１９に印加さ
れる電圧を光の照度により変化させるものとした
表示器の輝度可変装置。 ４ 照度検知回路１２の出力をマイコン１に入力
し、マイコン１にてドライバー２１の出力のデユ
ーテイを光の照度により変化させるものとした表
示器の輝度可変装置。[Scope of Claim for Utility Model Registration] 1 A driver 20 controls a microcomputer 1 that dynamically lights up the display 19 of an air conditioner.
, 21, and inputs a signal based on the output of the illuminance detection circuit 12 that detects the illuminance of light to the driver 20, and when the illuminance detection circuit 12 detects that the illuminance of the light has reached a certain value. A display brightness variable device characterized by changing the brightness of a display 19. 2. The output of the illuminance detection circuit 12 is input to the applied voltage conversion circuit to the driver 20, which is composed of the microcomputer 1, the relay driving driver 13, the relay 14, and the resistor 15, and the voltage applied from the driver 20 to the display 19 is converted to the voltage applied to the display 19. 2. The device for varying the brightness of a display device according to claim 1, wherein the brightness is changed depending on the illuminance. 3 Connect the output of the illuminance detection circuit 12 to resistors 16, 17,
transistor 18, relay 14 and resistor 15
A device for varying the brightness of a display device, which inputs the voltage applied to the driver 20 to a voltage conversion circuit consisting of the following, and changes the voltage applied from the driver 20 to the display device 19 according to the illuminance of light. 4. A display brightness variable device in which the output of the illuminance detection circuit 12 is input to the microcomputer 1, and the microcomputer 1 changes the duty of the output of the driver 21 depending on the illuminance of the light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7800788U JPH01181089U (en) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7800788U JPH01181089U (en) | 1988-06-13 | 1988-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01181089U true JPH01181089U (en) | 1989-12-27 |
Family
ID=31302958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7800788U Pending JPH01181089U (en) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01181089U (en) |
-
1988
- 1988-06-13 JP JP7800788U patent/JPH01181089U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01181089U (en) | ||
| JPH0435195U (en) | ||
| JPH0617159Y2 (en) | Vehicle display | |
| JPH0278406U (en) | ||
| JPH0461804U (en) | ||
| JPH043814U (en) | ||
| JPH061881Y2 (en) | Automotive dimmer | |
| JPS6135983Y2 (en) | ||
| JPS6348439Y2 (en) | ||
| JPH0435939U (en) | ||
| JPS63172743U (en) | ||
| JPH03125332U (en) | ||
| JP2504421Y2 (en) | In-vehicle head unit | |
| JPS63107100U (en) | ||
| JPS6214494U (en) | ||
| JPS63159340U (en) | ||
| KR970005898A (en) | Dimming device of car interior light | |
| JPH02128491U (en) | ||
| JPH02133084U (en) | ||
| JPH01170028U (en) | ||
| JPH02100944U (en) | ||
| JPS62176010U (en) | ||
| JPS6295962U (en) | ||
| JPS61196828U (en) | ||
| JPS64111U (en) |