JPH0284298U - - Google Patents
Info
- Publication number
- JPH0284298U JPH0284298U JP16320288U JP16320288U JPH0284298U JP H0284298 U JPH0284298 U JP H0284298U JP 16320288 U JP16320288 U JP 16320288U JP 16320288 U JP16320288 U JP 16320288U JP H0284298 U JPH0284298 U JP H0284298U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- switching element
- light receiving
- receiving sensor
- display 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は受光センサー、比較判定回路の一実施例を
示す回路図、第３図は従来の装置を示す構成図で
ある。
図において、１は電源、２はランプ、３はスイ
ツチング素子、４はランプ負荷、６は制御回路、
７は受光センサー、８は比較判定回路である。な
お、各図中、同一符号は同一または相当品を示す
。
FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a circuit diagram showing an embodiment of a light receiving sensor and a comparison/judgment circuit, and FIG. 3 is a block diagram showing a conventional device. In the figure, 1 is a power supply, 2 is a lamp, 3 is a switching element, 4 is a lamp load, 6 is a control circuit,
7 is a light receiving sensor, and 8 is a comparison/judgment circuit. In each figure, the same reference numerals indicate the same or equivalent products.
Claims (1)
制御するスイツチング素子と、 このスイツチング素子に接続されたランプ負荷
と、上記スイツチング素子の入切を制御する制御
回路で構成されるランプ表示装置において、 ランプからの発光を検出する受光センサーと、 上記受光センサーの出力とあらかじめ設定して
おいた値とを比較し、その良否を判定するための
比較判定回路 を設けたことを特徴とするランプ表示装置。[Claims for Utility Model Registration] A power source, a lamp connected to this power source, a switching element connected to this lamp that controls turning on and off of the lamp, and a lamp load connected to this switching element. , in a lamp display device consisting of a control circuit that controls the on/off of the switching element, a light receiving sensor detects light emitted from the lamp, and the output of the light receiving sensor is compared with a preset value, A lamp display device characterized by being provided with a comparison judgment circuit for judging its quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16320288U JPH0284298U (en) | 1988-12-16 | 1988-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16320288U JPH0284298U (en) | 1988-12-16 | 1988-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284298U true JPH0284298U (en) | 1990-06-29 |
Family
ID=31447716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16320288U Pending JPH0284298U (en) | 1988-12-16 | 1988-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284298U (en) |
-
1988
- 1988-12-16 JP JP16320288U patent/JPH0284298U/ja active Pending