JPH0378652U - - Google Patents
Info
- Publication number
- JPH0378652U JPH0378652U JP13993089U JP13993089U JPH0378652U JP H0378652 U JPH0378652 U JP H0378652U JP 13993089 U JP13993089 U JP 13993089U JP 13993089 U JP13993089 U JP 13993089U JP H0378652 U JPH0378652 U JP H0378652U
- Authority
- JP
- Japan
- Prior art keywords
- brightness
- screen
- contrast
- vehicle
- video device
- 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 3
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Television Receiver Circuits (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Description
第１図乃至第４図はこの考案に係る車載用映像
装置の実施例を示し、第１図は実施例１のブロツ
ク図、第２図は実施例２のブロツク図、第３図は
実施例３のブロツク図、第４図は実施例４のブロ
ツク図である。第５図は従来例のブロツク図であ
る。
主な符号の説明、１……映像表示部、２……映
像入力信号処理部、３……輝度、コントラスト制
御回路、４……スモールランプのＯＮ／ＯＦＦ信
号、５……スモールランプスイツチ、６……スモ
ールランプ点灯回路、７……スモールランプ、８
……明るさセンサ回路、９……明るさ検出信号、
１０……輝度、コントラスト調整回路、１１……
輝度、コントラスト調整用ボリユーム、１２……
切換回路、１３……加算器。
1 to 4 show examples of the in-vehicle video device according to this invention, FIG. 1 is a block diagram of the first embodiment, FIG. 2 is a block diagram of the second embodiment, and FIG. 3 is a block diagram of the embodiment. 3 is a block diagram of the fourth embodiment. FIG. 4 is a block diagram of the fourth embodiment. FIG. 5 is a block diagram of a conventional example. Explanation of main symbols: 1...Video display unit, 2...Video input signal processing unit, 3...Brightness, contrast control circuit, 4...Small lamp ON/OFF signal, 5...Small lamp switch, 6 ...Small lamp lighting circuit, 7...Small lamp, 8
...Brightness sensor circuit, 9...Brightness detection signal,
10... Brightness, contrast adjustment circuit, 11...
Brightness, contrast adjustment volume, 12...
Switching circuit, 13...adder.
Claims (1)
る調整回路と、制御回路とを備えた車載用映像装
置において、 車室内に設けられたスモールランプのＯＮ／Ｏ
ＦＦ動作による信号を前記制御回路に接続する手
段を設け、スモールランプのＯＮ／ＯＦＦ動作に
よつて画面の輝度またはコントラスト或はこの両
方を変化させるように構成したことを特徴とする
車載用映像装置。 ２ 画面の輝度またはコントラスト或はこの両方
を調整する調整回路を夫々２系統づつ設けて、車
室内のスモールランプのＯＮ／ＯＦＦに連動して
画面の輝度またはコントラスト或はこの両方をあ
らかじめ設定した２系統の設定値に切換えられる
ように構成したことを特徴とする請求項１記載の
車載用映像装置。 ３ 画面の輝度及びコントラストを調整、制御す
る調整回路と、制御回路とを備えた車載用映像装
置において、 車室内の明るさを検出し明るさ検出信号を出力
するセンサ回路と、明るさ検出信号を前記画面の
輝度及びコントラストの制御回路に接続する手段
とを設け、車室内の明るさに応じて画面の輝度ま
たはコントラスト或はこの両方を段階的にまたは
連続的に変化させるように構成したことを特徴と
する車載用映像装置。 ４ 画面の輝度またはコントラスト或はこの両方
を車室内の明るさに応じて調整回路であらかじめ
設定した輝度またはコントラスト或はこの両方の
値を基準に上下に段階的或は連続的に変化させる
ように構成したことを特徴とする請求項３記載の
車載用映像装置。[Scope of Claim for Utility Model Registration] 1. In a vehicle-mounted video device equipped with an adjustment circuit that adjusts and controls the brightness and contrast of the screen, and a control circuit, the ON/OFF operation of a small lamp installed in the vehicle interior is provided.
An in-vehicle video device characterized by being provided with means for connecting a signal from an FF operation to the control circuit, and configured to change the brightness or contrast or both of the screen according to the ON/OFF operation of the small lamp. . 2 Two adjustment circuits are provided for adjusting the brightness and/or contrast of the screen, and the brightness and/or contrast of the screen is set in advance in conjunction with the ON/OFF of the small lamp inside the vehicle. 2. The in-vehicle video device according to claim 1, wherein the in-vehicle video device is configured to be switched to a system setting value. 3. In an in-vehicle video device equipped with an adjustment circuit that adjusts and controls the brightness and contrast of the screen, and a control circuit, a sensor circuit that detects the brightness inside the vehicle interior and outputs a brightness detection signal, and a brightness detection signal. and a means for connecting the screen to the screen brightness and contrast control circuit, and the screen is configured to change the screen brightness and/or contrast stepwise or continuously in accordance with the brightness of the vehicle interior. An in-vehicle video device featuring: 4. The brightness and/or contrast of the screen is changed stepwise or continuously based on the brightness and/or contrast, both of which are set in advance by an adjustment circuit in accordance with the brightness of the vehicle interior. The in-vehicle video device according to claim 3, characterized in that the in-vehicle video device is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13993089U JPH0378652U (en) | 1989-12-04 | 1989-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13993089U JPH0378652U (en) | 1989-12-04 | 1989-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0378652U true JPH0378652U (en) | 1991-08-09 |
Family
ID=31686946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13993089U Pending JPH0378652U (en) | 1989-12-04 | 1989-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0378652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008281704A (en) * | 2007-05-09 | 2008-11-20 | Sony Corp | Waterproof case |
| JP2009032480A (en) * | 2007-07-26 | 2009-02-12 | Hoya Corp | Operation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6037976B2 (en) * | 1977-12-05 | 1985-08-29 | 松下電器産業株式会社 | Magnetic recording method |
-
1989
- 1989-12-04 JP JP13993089U patent/JPH0378652U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6037976B2 (en) * | 1977-12-05 | 1985-08-29 | 松下電器産業株式会社 | Magnetic recording method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008281704A (en) * | 2007-05-09 | 2008-11-20 | Sony Corp | Waterproof case |
| JP2009032480A (en) * | 2007-07-26 | 2009-02-12 | Hoya Corp | Operation device |
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