JPS63105583A - On-vehicle television device - Google Patents

On-vehicle television device

Info

Publication number
JPS63105583A
JPS63105583A JP25124386A JP25124386A JPS63105583A JP S63105583 A JPS63105583 A JP S63105583A JP 25124386 A JP25124386 A JP 25124386A JP 25124386 A JP25124386 A JP 25124386A JP S63105583 A JPS63105583 A JP S63105583A
Authority
JP
Japan
Prior art keywords
brightness
picture tube
brightness information
light switch
turned
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
Application number
JP25124386A
Other languages
Japanese (ja)
Inventor
Takao Itabashi
板橋 隆夫
Toshio Kasai
葛西 俊雄
Yoshihiro Shimada
島田 嘉紘
Koji Ouchi
大内 弘二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP25124386A priority Critical patent/JPS63105583A/en
Publication of JPS63105583A publication Critical patent/JPS63105583A/en
Pending legal-status Critical Current

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  • Television Receiver Circuits (AREA)

Abstract

PURPOSE:To enable an image to be observed with the optimum brightness of a picture tube plane by a viewer such as a driver, etc., by controlling the brightness of the picture tube plane by turning ON and OFF a light switch. CONSTITUTION:When the light switch 3 of an automobile 2 is turned ON, and the head light 6, etc., of the automobile 2 is lightened, it is decided as it is at night, and the brightness of the picture tube plane 4a of a color cathode-ray tube 4 is controlled by information for the brightness for night, Also, when the light switch 3 is turned OFF, and the head light 6, etc., is turned OFF, it is decided as it is in a daylight time, and the brightness of the picture tube plane 4a of the color cathode-ray tube 4 is controlled by the information for the daylight. Therefore, it is not necessary to adjust the brightness of picture tube plane 4a, and it is possible to observe the image with the good brightness of the picture tube plane 4a by the viewer such as the driver, etc. Thus, it is possible to observe the image with optimum brightness of the picture tube plane by the viewer such as the driver, etc., with simple constitution and an easy operation.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は自動車等の車輌に搭載する車載用テレビジョン
装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an in-vehicle television device mounted on a vehicle such as an automobile.

〔発明の概要〕[Summary of the invention]

本発明は自動車等の車輌に搭載する車載用テレビジョン
装置に於いて、書き替え可能な不揮発性メモリに昼用及
び夜用の明るさ情報をラストメモリし、車輌のライトス
イッチの状態に応じて、ライトオフ時はこの昼用の明る
さ情報で、ライトオン時はこの夜用の明るさ情報で受像
管面の明るさを制御するようにすることにより、簡単な
構成及び簡単な操作で運転者等の視聴者にとって最適な
受像管面の明るさで画像を見ることができる様にしたも
のである。
The present invention is an in-vehicle television device installed in a vehicle such as an automobile, in which brightness information for daytime and nighttime is last stored in a rewritable non-volatile memory, and brightness information is stored in a rewritable non-volatile memory as a last memory. By controlling the brightness of the picture tube surface using this daytime brightness information when the light is off and using this nighttime brightness information when the light is on, operation is possible with a simple configuration and easy operation. This allows the viewer, such as the viewer, to view the image at the optimal brightness of the picture tube surface.

〔従来の技術〕[Conventional technology]

近年自動車にテレビジョン受鑓機を搭載し、自動車内に
てこの受像管面にテレビジョン放送及びビデオテープの
再生を行うと共にこの自動車の種々の情報等を表示する
様にした車載用テレビジョン装置が提案されている。
In recent years, in-vehicle television devices have been equipped with television receivers in automobiles, and play television broadcasts and video tapes on the picture tube surface of the automobile, as well as display various information about the automobile. is proposed.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

斯る車載用テレビジョン装置に於いては昼間は自動車内
は極めて明るいので受像管面を極めて明るくしなければ
良好な画像を見ることができず。
In such a vehicle-mounted television device, since the interior of the vehicle is extremely bright during the day, it is difficult to see a good image unless the picture tube surface is extremely bright.

このままでは夜は受像管面が明るすぎるので受像管面の
所望の明るさまで下げなければならず運転者は自動車を
運転する時刻に応じてその都度この受像管面の明るさを
調整しなければならない不都合があった。
If this continues, the picture tube surface will be too bright at night, so the brightness of the picture tube surface must be lowered to the desired level, and the driver must adjust the brightness of this picture tube surface each time depending on the time of day when he or she drives the car. There was an inconvenience.

本発明は斯る点に鑑み車輌外の明るさに応じて簡単な操
作で運転者等の視聴者にとって最適な受像管面の明るさ
で見ることができる様にすることを目的とする。
In view of this, it is an object of the present invention to enable a viewer such as a driver to view an image at the optimum brightness of the picture tube surface by a simple operation depending on the brightness outside the vehicle.

〔問題点を解決するための手段〕[Means for solving problems]

本発明車載用テレビジョン装置は例えば第1図。 An in-vehicle television apparatus according to the present invention is shown in FIG. 1, for example.

第2図に示す如く書き替え可能な不揮発性メモリ(1)
に経用及び使用の明るさ情報をラストメモリし1、車輌
(2)のライトスイッチ(3)の状態に応じて、ライト
オフ時は経用の明るさ情報で、ライトオン時は使用の明
るさ情報で受像管面(4a)の明るさを制御するように
したものである。
Rewritable non-volatile memory (1) as shown in Figure 2
The brightness information for use and use is stored in the last memory 1. Depending on the state of the light switch (3) of the vehicle (2), the brightness information for use is used when the light is off, and the brightness for use is used when the light is on. The brightness of the picture tube surface (4a) is controlled based on the brightness information.

〔作 用〕[For production]

斯る本発明に依れば車輌(2)のライトスイッチ(3)
をオンとし車輌(2)のライト(6)を点灯したときは
受像管面(4&)の明るさが先に調整した仮用の明るさ
情報により制御されると共にこのライトスイッチ(3)
をオフとしライト(6)を消したときは受1象管面(4
a)の明るさが先に調整した経用の明るさ情報に゛よ多
制御されるので、受像管面(4a)の明るさの調整を何
等必要とすることなく運転者等の視聴者にとって良好な
受像管面の明るさで画]を見ることができる。
According to the present invention, the light switch (3) of the vehicle (2)
When the light (6) of the vehicle (2) is turned on, the brightness of the picture tube surface (4 &) is controlled by the temporary brightness information adjusted earlier, and this light switch (3)
When the light (6) is turned off and the light (6) is turned off, the
Since the brightness of a) is more closely controlled by the previously adjusted brightness information, it is easier for drivers and other viewers to adjust the brightness of the picture tube surface (4a). The image can be seen with good brightness on the picture tube surface.

〔実施例〕〔Example〕

以下図面を参照して本発明車載用テレビジョン装置の一
実施例につき説明しよう。
An embodiment of the in-vehicle television apparatus of the present invention will be described below with reference to the drawings.

第1図に於いて、(2)は自動車を示し、この自動車(
2)はマイクロコンピュータ(5a)よ構成る制御ブロ
ック(5)の指令によシライト(6)のオン・オフ等1
種の車輌の制御がなされると共にこの制御ブロック(5
)の指令によりこの自動車(2)に搭載されたテレビ・
ジョン装置(7)の制御を行う如くなされている。
In Figure 1, (2) indicates a car, and this car (
2) turns on and off the light (6) etc. according to commands from the control block (5) made up of the microcomputer (5a).
This control block (5
) The television installed in this car (2) was
control device (7).

このテレビジョン装置(7)は先に提案されている車載
用テレビジョン装置の如くこのカラー陰極線管(4)の
受像管面(4a)にテレビジョン放送及びビデオテープ
の再生を行なうと共にこの自動車(2)の種々の情報等
を表示する様になされている。
This television device (7), like the previously proposed in-vehicle television device, performs television broadcasting and videotape playback on the picture tube surface (4a) of this color cathode ray tube (4). 2) various information etc. are displayed.

更に本例に於いてはマイクロコンピュータ(5a)とメ
モリ制御パス(1凰)を介して書き替え可能な不揮発性
メモリ(1)を設ける。この書き替え可能な不揮発性メ
モリ(1)には経用の明るさ情報記憶部と使用の明るさ
情報の記憶部とを設け、この経用の明るさ情報記憶部に
経用の明るさ情報をラストメモリすると共に使用の明る
さ情報の記憶部に使用の明るさ情報をラストメモリする
如くする(ここでラストメモリとは経用又は使用の情報
を調整したときにはその調整の最後の情報をそのまま記
憶することをいう、)、この場合自動車(2)の電源を
オンとしたときにはこの沓き替え可能な不揮発性メモリ
(1)に記憶された経用の明るさ情報及び使用の明るさ
情報がマイクロコンピュータ(5a)のRAMに読み出
される。またこの書き替え可能な不揮発性メモリ(1)
の内容はキー(8)の操作によシ害き替えができる如く
なされている。また(3)は自動車のハンドルの近辺に
配されているヘッドライト等を点滅するライトスイッチ
を示し、このライトスイッチ(3)をオンとしたときヘ
ッドライト(6)等が点灯し、このライトスイッチ(3
)をオフとしたときはヘッドライト(6)等が消る如く
なされている。
Furthermore, in this example, a non-volatile memory (1) which can be rewritten via a microcomputer (5a) and a memory control path (1) is provided. This rewritable non-volatile memory (1) is provided with a meridional brightness information storage section and a usable brightness information storage section, and the meridional brightness information storage section stores the meridional brightness information. At the same time, the brightness information in use is stored as the last memory in the storage unit for brightness information in use. In this case, when the car (2) is turned on, the brightness information for use and the brightness information for use stored in the replaceable non-volatile memory (1) are stored. The data is read out to the RAM of the microcomputer (5a). Also, this rewritable non-volatile memory (1)
The contents of the file are designed so that they can be changed by operating the key (8). In addition, (3) indicates a light switch that blinks the headlights etc. placed near the steering wheel of the car, and when this light switch (3) is turned on, the headlights (6) etc. light up, and this light switch (3
) is turned off, the headlights (6) etc. are turned off.

本例に於いてはこのライトスイッチ(3)をオフとした
ときにはマイクロコンピュータ(5a)のRAMに記憶
されている経用の明るさ清報をデジタル信号をアナログ
信号に変換するD−A変換回路(9)を介して明るさ制
御部00に供給し、この明るさ制御部α0よりの制御信
号によシラレビジョン装置(7)のカラー陰極線管(4
)の受像管面(4a)の明るさを昼間見るのに適した明
るさにfttlJ御し、またこのライトスイッチ(3)
をオフとしたときにはマイクロコンピュータ(5a)の
RAMに記憶されている使用の明るさ情報をD−A変換
回路(9)を介して明るさ制御部αOに供給し、この明
るさ制御部αOよりの制御信号にょシラレビジョン装置
(7)のカラー陰極線管(4)の受I管面(4a)の明
るさを夜間に見るのに適した明るさとする。その他は先
に提案されている車載用テレビジョン装置と同様に構成
する。
In this example, when this light switch (3) is turned off, a D-A conversion circuit converts the daily brightness information stored in the RAM of the microcomputer (5a) from a digital signal to an analog signal. (9) to the brightness control unit 00, and the control signal from the brightness control unit α0 is used to control the color cathode ray tube (4
) controls the brightness of the picture tube surface (4a) to a brightness suitable for daytime viewing, and also controls the brightness of this light switch (3).
When turned off, the brightness information for use stored in the RAM of the microcomputer (5a) is supplied to the brightness control unit αO via the D-A conversion circuit (9), and from this brightness control unit αO The brightness of the receiver surface (4a) of the color cathode ray tube (4) of the color cathode ray tube (4) of the control signal is set to a brightness suitable for viewing at night. The rest of the structure is the same as the previously proposed in-vehicle television device.

以下第3図のフローチャートを使用して本例の動作につ
き説明する。
The operation of this example will be explained below using the flowchart shown in FIG.

自動車(2)の電源をオンしてテレビジョン装置(7)
の1源をオンしたときには書き替え可能な不揮発性メモ
リ(1)よシマイクロコンピュータ(5a)のRAMに
経用及び使用の明るさ情報を読み込み、次に明るさ情報
を調整するためのキー(8)の操作による入力があった
かどうかを判断し、このキー(8)の操作による入力が
ないときにはライトスイッチ(3)がオンかどうかを判
断し、オンのときは夜と判断し、マイクロコンピュータ
(5a)のRAMの使用の明るさ情報をD−A変換回路
(9)を介して明るさ制御部に供給し、またライトスイ
ッチ(3)がオフのときは昼間と判断し、マイクロコン
ピュータ(5&)のRAMの経用の明るさ情報’i D
−A変換回路(9)を介して明るさ制御部αOに供給し
、この明るさ制御部α1よシの制御信号によシカラー陰
極線管(4)の受像管面(4a)の明るさを制御する。
Turn on the car (2) and turn on the television device (7)
When one source is turned on, the brightness information of the usage and use is loaded into the rewritable non-volatile memory (1) and the RAM of the microcomputer (5a), and then the key for adjusting the brightness information ( If there is no input by operating this key (8), it is determined whether or not the light switch (3) is on. If it is on, it is determined that it is night, and the microcomputer ( The brightness information of the RAM used in 5a) is supplied to the brightness control unit via the D-A converter circuit (9), and when the light switch (3) is off, it is determined that it is daytime, and the microcomputer (5&)'s RAM brightness information 'i D
-A is supplied to the brightness control unit αO via the A conversion circuit (9), and the brightness of the picture tube surface (4a) of the shicolor cathode ray tube (4) is controlled by the control signal from this brightness control unit α1. do.

これを明るさ情報を調整するためのキー(8)の操作に
よる入力があるまで継続して繰シ返す。この明るさ情報
を調整するためのキー(8)の操作による入力があった
ときはライトスイッチ(3)のオン・オフを判断し、こ
れがオンのときは夜と判断しマイクロコンピュータ(5
a)のRAMの使用の明るさ情報を変更させると共にこ
の変更した使用の明るさ情報を書き替え可能な不揮発性
メモリ(1)の使用の明るさ情報の記憶部のデータとし
て書き替え、またこのときこの変更されたマイクロコン
ピュータ(5m)のRAMの使用の明るさ情報をD−A
変換回路(9)を介して明るさ制御部αOに供給し、ま
たこのときライトスイッチ(3)がオフのときは昼と判
断し、マイクロコンピュータ(5&)の詰Mの経用の明
るさ情報を変更させると共にこの変更した経用の明るさ
″情報を書き替え可能な不揮発性メモリ(1)の経用の
明るさ情報の記憶部のデータとして書き替え、またこの
ときこの変更されたマイクロコンピュータ(5a)のR
AMの経用の明るさ情報をD−A変換回路(9)を介し
て明るさ制御部00に供給し、この明るさ制御部αOの
制御信号によpカラー陰極線管(4)の受像管面(41
)の明るさを制御する。
This process is continuously repeated until an input is made by operating the key (8) to adjust the brightness information. When there is an input by operating the key (8) to adjust this brightness information, it is determined whether the light switch (3) is on or off, and when it is on, it is determined that it is night and the microcomputer (5)
a) change the usage brightness information in the RAM and rewrite this changed usage brightness information as data in the usage brightness information storage section of the rewritable non-volatile memory (1); Tokiko's modified microcomputer (5m) RAM usage brightness information D-A
It is supplied to the brightness control unit αO through the conversion circuit (9), and at this time, when the light switch (3) is off, it is determined that it is daytime, and the brightness information of the microcomputer (5&) is supplied to the brightness control unit αO. At the same time, this changed "brightness of menstruation" information is rewritten as data in the storage section of the brightness of menstruation information of the rewritable non-volatile memory (1), and at this time, this changed microcomputer (5a) R
The AM constant brightness information is supplied to the brightness control section 00 via the D-A conversion circuit (9), and the picture tube of the p color cathode ray tube (4) is controlled by the control signal of this brightness control section αO. Face (41
) control the brightness.

従って本例に依れば自動車(2)のライトスイッチ(3
)をオンとし自動車(2)のヘラドラ1ト(6)等を点
灯したときには、夜と判断し、カラー陰極線管(4)の
受像管面(4a)の明るさが、先にj14整した使用の
明るさ情報により制御されると共にライトスイッチ(3
)をオフとしヘッドライト(6) ’4を消したときに
は、昼と判断し、カラー陰極線管(4)の受像管面(4
a)の明るさが、先に調整した経用の明るさ情報により
制御されるので、受像管面(4轟)の明るさの調整を何
等必要とすることなく、運転者等の視聴者にとって良好
な受像管面(4a)の明るさで画諌を見ることができ、
簡単な構成及び簡単な操作で運転者等の視聴者が最適な
受1象管面の明るさで画像を見ることができる利益があ
る。
Therefore, according to this example, the light switch (3) of the car (2)
) is turned on and the Heradora 1 (6) etc. of the car (2) are turned on, it is determined that it is night and the brightness of the picture tube surface (4a) of the color cathode ray tube (4) is set to the level that was adjusted before use. It is controlled by the brightness information of the light switch (3
) and turn off the headlights (6) '4, it is determined that it is daytime, and the picture tube surface (4) of the color cathode ray tube (4) is turned off.
Since the brightness of a) is controlled by the previously adjusted brightness information, there is no need to adjust the brightness of the picture tube surface (4), making it easier for drivers and other viewers. You can see the borders with good brightness on the picture tube surface (4a),
With a simple configuration and simple operation, there is an advantage that viewers such as drivers can view images with optimal brightness on the screen.

尚上述実施例に於いては本発明を自動車に適用した例に
つき述べたが本発明をその他の車@VC適用できること
は勿論である。また本発明は上述実施例に限ることなく
本発明の要旨を逸脱することなく、その他種々の構成が
取υ得ることは勿論である。
In the above-mentioned embodiment, an example in which the present invention is applied to an automobile has been described, but it goes without saying that the present invention can be applied to other vehicles@VC. Further, the present invention is not limited to the above-described embodiments, and it goes without saying that various other configurations can be adopted without departing from the gist of the present invention.

〔発明の効果〕〔Effect of the invention〕

本発明に依れば車載用テレビジョン装置に於いてライト
スイッチ(3)のオン・オフにより受像管面(4&)の
明るさを制御しているので、簡単な構成及び簡単な操作
で運転者等の視聴者が最適な受画管面(4a)の明るさ
で画[−見ることができる利益がある。
According to the present invention, since the brightness of the picture tube surface (4&) in the vehicle-mounted television device is controlled by turning on/off the light switch (3), the driver can There is an advantage that viewers such as the above can view the image at the optimal brightness of the screen screen (4a).

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

第1図は本発明車載用テレビジョン装置の一実施例を示
す構成図、第2図は本発明車載用テレビジョン装置の一
例のブロック図、第3図は本発明の説明に供する線図で
ある。 (1)は曹き替え可能な不揮発性メモ!J 、 (2)
は自動車、(3)はライトスイッチ、(4)はカラー陰
極線管、(4a)は受像管面、(5)は制御ブロック、
(5a)はマイクロコンピュータ、(6)はヘッドライ
ト、(7)はテレビジョン装置、(8)はキー、(9)
はD−A変換回路、叫は明るさ制御部である。 本f8F11i;ifRテLtj’a7JL”ih)m
1871s6’1rXEr第1図 氷茫B月車載用テしどシ)ン装置の例のフ゛口・、り図
第2図 本茫明θ説明に伍するフロー乎セード 第3図
FIG. 1 is a block diagram showing an embodiment of the in-vehicle television device of the present invention, FIG. 2 is a block diagram of an example of the in-vehicle television device of the present invention, and FIG. 3 is a diagram for explaining the present invention. be. (1) is a non-volatile memo that can be replaced! J, (2)
is a car, (3) is a light switch, (4) is a color cathode ray tube, (4a) is a picture tube surface, (5) is a control block,
(5a) is a microcomputer, (6) is a headlight, (7) is a television device, (8) is a key, (9)
is the D-A conversion circuit, and the symbol is the brightness control section. This f8F11i;ifRteLtj'a7JL”ih)m
1871s6'1r

Claims (1)

【特許請求の範囲】[Claims] 書き替え可能な不揮発性メモリに昼用及び夜用の明るさ
情報をラストメモリし、車輌のライトスイッチの状態に
応じて、ライトオフ時は上記昼用の明るさ情報で、ライ
トオン時は上記夜用の明るさ情報で受像管面の明るさを
制御するようにしたことを特徴とする車載用テレビジョ
ン装置。
Daytime and nighttime brightness information is last stored in a rewritable non-volatile memory, and depending on the state of the vehicle's light switch, the daytime brightness information above is used when the lights are off, and the above when the lights are on. A vehicle-mounted television device characterized in that the brightness of a picture tube surface is controlled using night brightness information.
JP25124386A 1986-10-22 1986-10-22 On-vehicle television device Pending JPS63105583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25124386A JPS63105583A (en) 1986-10-22 1986-10-22 On-vehicle television device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25124386A JPS63105583A (en) 1986-10-22 1986-10-22 On-vehicle television device

Publications (1)

Publication Number Publication Date
JPS63105583A true JPS63105583A (en) 1988-05-10

Family

ID=17219859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25124386A Pending JPS63105583A (en) 1986-10-22 1986-10-22 On-vehicle television device

Country Status (1)

Country Link
JP (1) JPS63105583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422737A (en) * 2005-01-26 2006-08-02 Sharp Kk Multiple-view display and display controller

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034279A (en) * 1983-08-05 1985-02-21 松下電工株式会社 Battery type electric tool
JPS60134279A (en) * 1983-12-23 1985-07-17 株式会社山武 Crt unit
JPS6037976B2 (en) * 1977-12-05 1985-08-29 松下電器産業株式会社 Magnetic recording method

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
JPS6034279A (en) * 1983-08-05 1985-02-21 松下電工株式会社 Battery type electric tool
JPS60134279A (en) * 1983-12-23 1985-07-17 株式会社山武 Crt unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422737A (en) * 2005-01-26 2006-08-02 Sharp Kk Multiple-view display and display controller
US8144079B2 (en) 2005-01-26 2012-03-27 Sharp Kabushiki Kaisha Multiple-viewer multiple-view display and display controller

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