KR870004617A - TV Watching Eyesight Safe Distance Maintenance Power Supply Automatic Control - Google Patents
TV Watching Eyesight Safe Distance Maintenance Power Supply Automatic Control Download PDFInfo
- Publication number
- KR870004617A KR870004617A KR1019850007859A KR850007859A KR870004617A KR 870004617 A KR870004617 A KR 870004617A KR 1019850007859 A KR1019850007859 A KR 1019850007859A KR 850007859 A KR850007859 A KR 850007859A KR 870004617 A KR870004617 A KR 870004617A
- Authority
- KR
- South Korea
- Prior art keywords
- power supply
- eyesight
- watching
- automatic control
- safe distance
- 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.)
- Ceased
Links
- 230000004438 eyesight Effects 0.000 title 1
- 238000012423 maintenance Methods 0.000 title 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Toys (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Emergency Alarm Devices (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명의 부력도.1 is a buoyancy diagram of the present invention.
제2도는 본 발명의 전자 회로도.2 is an electronic circuit diagram of the present invention.
제3도는 초음쎈서 대응으로 적외선 센서를 대치한 회로도.3 is a circuit diagram in which an infrared sensor is replaced in response to a supersonic wave.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850007859A KR870004617A (en) | 1985-10-24 | 1985-10-24 | TV Watching Eyesight Safe Distance Maintenance Power Supply Automatic Control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850007859A KR870004617A (en) | 1985-10-24 | 1985-10-24 | TV Watching Eyesight Safe Distance Maintenance Power Supply Automatic Control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR870004617A true KR870004617A (en) | 1987-05-11 |
Family
ID=69468272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850007859A Ceased KR870004617A (en) | 1985-10-24 | 1985-10-24 | TV Watching Eyesight Safe Distance Maintenance Power Supply Automatic Control |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR870004617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9594945B2 (en) | 2013-05-31 | 2017-03-14 | Samsung Electronics Co., Ltd | Method and apparatus for protecting eyesight |
-
1985
- 1985-10-24 KR KR1019850007859A patent/KR870004617A/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9594945B2 (en) | 2013-05-31 | 2017-03-14 | Samsung Electronics Co., Ltd | Method and apparatus for protecting eyesight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19851024 |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19890221 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 19890331 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 19890221 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |