KR900010507U - 오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치 - Google Patents

오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치

Info

Publication number: KR900010507U
Authority: KR; South Korea
Prior art keywords: replacement device; over head; lamp replacement; head projector; instantaneous lamp
Prior art date: 1988-11-14
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.): Granted

Application number

KR2019880018526U

Other languages

English (en)

Other versions

KR910009312Y1 (ko

Inventor

양회선

Original Assignee

양회선

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.)

1988-11-14

Filing date

1988-11-14

Publication date

1990-06-02

1988-11-14 Application filed by 양회선 filed Critical 양회선

1988-11-14 Priority to KR2019880018526U priority Critical patent/KR910009312Y1/ko

1990-06-02 Publication of KR900010507U publication Critical patent/KR900010507U/ko

1991-12-05 Application granted granted Critical

1991-12-05 Publication of KR910009312Y1 publication Critical patent/KR910009312Y1/ko

Status Expired legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Projection Apparatus (AREA)

KR2019880018526U 1988-11-14 1988-11-14 오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치 Expired KR910009312Y1 (ko)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
KR2019880018526U KR910009312Y1 (ko)	1988-11-14	1988-11-14	오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR2019880018526U KR910009312Y1 (ko)	1988-11-14	1988-11-14	오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치

Publications (2)

Publication Number	Publication Date
KR900010507U true KR900010507U (ko)	1990-06-02
KR910009312Y1 KR910009312Y1 (ko)	1991-12-05

Family

ID=19281365

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR2019880018526U Expired KR910009312Y1 (ko)	1988-11-14	1988-11-14	오버 헤드 프로젝터(over head projector)의 램프 순간 교체장치

Country Status (1)

Country	Link
KR (1)	KR910009312Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6755541B2 (en) *	2001-05-22	2004-06-29	Seiko Epson Corporation	Projector

1988
- 1988-11-14 KR KR2019880018526U patent/KR910009312Y1/ko not_active Expired

Also Published As

Publication number	Publication date
KR910009312Y1 (ko)	1991-12-05

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Legal Events

Date	Code	Title	Description
1988-11-14	UA0108	Application for utility model registration	St.27 status event code: A-0-1-A10-A12-nap-UA0108
1988-11-23	A201	Request for examination
1988-11-23	UA0201	Request for examination	St.27 status event code: A-1-2-D10-D11-exm-UA0201
1990-06-02	UG1501	Laying open of application	St.27 status event code: A-1-1-Q10-Q12-nap-UG1501
1991-07-04	E902	Notification of reason for refusal
1991-07-04	UE0902	Notice of grounds for rejection	St.27 status event code: A-1-2-D10-D21-exm-UE0902
1991-07-16	P11-X000	Amendment of application requested	St.27 status event code: A-2-2-P10-P11-nap-X000
1991-07-16	P13-X000	Application amended	St.27 status event code: A-2-2-P10-P13-nap-X000
1991-12-05	UG1604	Publication of application	St.27 status event code: A-2-2-Q10-Q13-nap-UG1604
1992-02-18	E701	Decision to grant or registration of patent right
1992-02-18	UE0701	Decision of registration	St.27 status event code: A-1-2-D10-D22-exm-UE0701
1992-02-25	REGI	Registration of establishment
1992-02-25	UR0701	Registration of establishment	St.27 status event code: A-2-4-F10-F11-exm-UR0701
1992-02-25	UR1002	Payment of registration fee	St.27 status event code: A-2-2-U10-U11-oth-UR1002 Fee payment year number: 1
1994-07-21	UR1001	Payment of annual fee	St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 4
1995-03-10	J206	Request for trial to confirm the scope of a patent right
1995-03-27	J204	Request for invalidation trial [patent]
1996-07-26	J2X1	Appeal (before the patent court)	Free format text: CONFIRMATION OF THE SCOPE OF RIGHT
1997-11-11	UR1001	Payment of annual fee	St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 7
2000-02-09	R18-X000	Changes to party contact information recorded	St.27 status event code: A-5-5-R10-R18-oth-X000
2001-05-28	FPAY	Annual fee payment	Payment date: 20010528 Year of fee payment: 10
2001-05-28	UR1001	Payment of annual fee	St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 10
2001-12-06	LAPS	Lapse due to unpaid annual fee
2001-12-06	UC1903	Unpaid annual fee	St.27 status event code: A-4-4-U10-U13-oth-UC1903 Not in force date: 20011206 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE
2002-10-11	UC1903	Unpaid annual fee	St.27 status event code: N-4-6-H10-H13-oth-UC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20011206
2018-12-22	P22-X000	Classification modified	St.27 status event code: A-4-4-P10-P22-nap-X000