Do-young Choi

Person

Suwon-city, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Electric power supply device of a tape-end detecting sensor for a t...
- Patent number 7,466,512
- Issue date Dec 16, 2008
- Samsung Electronics Co., Ltd.
- Bong-Joo Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drum assembly for a tape recorder
- Patent number 7,280,318
- Issue date Oct 9, 2007
- Samsung Electronics Co., Ltd.
- Chung-hum Baik
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drum assembly of a tape recorder having a resilient body to pr...
- Patent number 7,139,155
- Issue date Nov 21, 2006
- Samsung Electronics Co., Ltd.
- Seung-Woo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drum assembly for a tape recorder
- Patent number 7,126,793
- Issue date Oct 24, 2006
- Samsung Electronics Co., Ltd.
- Chung-hum Baik
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape deck mechanism with main cam gear moving sub-deck, pole base l...
- Patent number 7,092,201
- Issue date Aug 15, 2006
- Samsung Electronics Co., Ltd.
- Do-Young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape guiding device for use with a tape transport system o...
- Patent number 7,079,351
- Issue date Jul 18, 2006
- Samsung Electronics Co., Ltd.
- Seung-woo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Electric power supply device of a tape-end detecting sensor for a t...
- Patent number 7,038,879
- Issue date May 2, 2006
- Samsung Electronics Co., Ltd.
- Bong-Joo Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Moving deck plate for camcorder
- Patent number 7,035,043
- Issue date Apr 25, 2006
- Samsung Electronics Co., Ltd.
- Jeong-hyeob Oh
- G11 - INFORMATION STORAGE
Information Patent Grant
Reel brake assembly for a magnetic recording/reading apparatus
- Patent number 6,971,603
- Issue date Dec 6, 2005
- Samsung Electronics Co., Ltd.
- Do-young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape guide device for magnetic recording/reproducing apparatus
- Patent number 6,736,351
- Issue date May 18, 2004
- Samsung Electronics Co., Ltd.
- Seung-woo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Ground device of head drum apparatus
- Patent number 6,487,054
- Issue date Nov 26, 2002
- Samsung Electronics, Co., LTD
- Do-Young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing apparatus
- Patent number 6,449,118
- Issue date Sep 10, 2002
- Samsung Electronics Co., Ltd.
- Do-Young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drum apparatus
- Patent number 6,369,991
- Issue date Apr 9, 2002
- Samsung Electronics Co., Ltd.
- Do-Young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Reel-table driving mechanism with idler friction wheel and reel fri...
- Patent number 5,704,563
- Issue date Jan 6, 1998
- SamSung Electronics Co., Ltd.
- Do Young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Loading apparatus for tape recorders and having a structure for mov...
- Patent number 5,636,079
- Issue date Jun 3, 1997
- SamSung Electronics, Co., Ltd.
- Do-young Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Power transmission device for tape recorder
- Patent number 5,600,507
- Issue date Feb 4, 1997
- SamSung Electronics Co., Ltd.
- Gun C. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape rewinding mechanism for magnetic recording/reproducing apparatus
- Patent number 5,568,338
- Issue date Oct 22, 1996
- SamSung Electronics Co., Ltd.
- Gun C. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Door mechanism for a tape recorder
- Patent number 5,523,907
- Issue date Jun 4, 1996
- SamSung Electronics Co., Ltd.
- Jae K. Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Idler controlling apparatus of a magnetic recording/reproducing app...
- Patent number 5,511,738
- Issue date Apr 30, 1996
- SamSung Electronics Co., Ltd.
- Jae K. Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Power transferring device for magnetic recording and reproducing ap...
- Patent number 5,508,858
- Issue date Apr 16, 1996
- SamSung Electronics Co., Ltd.
- Gun C. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Reel-guide apparatus of a magnetic recording/reproducing apparatus...
- Patent number 5,495,373
- Issue date Feb 27, 1996
- Samsung Electronics Co., Ltd.
- Jae K. Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Double-deck camcorder with perpendicularly installed head drum
- Patent number 5,485,324
- Issue date Jan 16, 1996
- Samsung Electronics Co., Ltd.
- In Rok Do
- G11 - INFORMATION STORAGE
Information Patent Grant
Idler controlling apparatus of a magnetic recording/reproducing app...
- Patent number 5,467,234
- Issue date Nov 14, 1995
- SamSung Electronics Co., Ltd.
- Gun C. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Housing apparatus for a tape recorder and which includes a slidable...
- Patent number 5,461,522
- Issue date Oct 24, 1995
- Samsung Electronics Co., Ltd.
- Do Y. Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette lid opening and closing system for magnetic recording and...
- Patent number 5,450,259
- Issue date Sep 12, 1995
- SamSung Electronics Co., Ltd.
- Young H. Cho
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape rewinding device for magnetic recording and reproducing apparatus
- Patent number 5,427,326
- Issue date Jun 27, 1995
- SamSung Electronics Co., Ltd.
- Do Y. Choi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Head drum assembly for a tape recorder
- Publication number 20070002499
- Publication date Jan 4, 2007
- Chung-hum Baik
- G11 - INFORMATION STORAGE
Information Patent Application
Electric power supply device of a tape-end detecting sensor for a t...
- Publication number 20060245107
- Publication date Nov 2, 2006
- Bong-Joo Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Tape guide device for magnetic recording/reproducing apparatus
- Publication number 20040136111
- Publication date Jul 15, 2004
- Samsung Electronics Co., Ltd.
- Seung-woo Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Head drum assembly for a tape recorder
- Publication number 20040125507
- Publication date Jul 1, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-hum Baik
- G11 - INFORMATION STORAGE
Information Patent Application
Head drum assembly of a tape recorder
- Publication number 20040070886
- Publication date Apr 15, 2004
- Seung-Woo Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Deck mechanism for magnetic recording/reproducing apparatus
- Publication number 20040062170
- Publication date Apr 1, 2004
- Do-Young Choi
- G11 - INFORMATION STORAGE
Information Patent Application
Electric power supply device of a tape-end detecting sensor for a t...
- Publication number 20040051995
- Publication date Mar 18, 2004
- Bong-Joo Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Moving deck plate for camcorder
- Publication number 20030137637
- Publication date Jul 24, 2003
- Samsung Electronics Co., Ltd.
- Jeong-hyeob Oh
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic tape guiding device for use with a tape transport system o...
- Publication number 20030132331
- Publication date Jul 17, 2003
- Seung-Woo Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Tape guide device for magnetic recording/reproducing apparatus
- Publication number 20030132340
- Publication date Jul 17, 2003
- Samsung Electronics Co., Ltd.
- Seung-woo Lee
- G11 - INFORMATION STORAGE

Do-young Choi

Person

Patents Grantslast 30 patents

Electric power supply device of a tape-end detecting sensor for a t...

Head drum assembly for a tape recorder

Head drum assembly of a tape recorder having a resilient body to pr...

Head drum assembly for a tape recorder

Tape deck mechanism with main cam gear moving sub-deck, pole base l...

Magnetic tape guiding device for use with a tape transport system o...

Electric power supply device of a tape-end detecting sensor for a t...

Moving deck plate for camcorder

Reel brake assembly for a magnetic recording/reading apparatus

Tape guide device for magnetic recording/reproducing apparatus

Ground device of head drum apparatus

Magnetic recording/reproducing apparatus

Head drum apparatus

Reel-table driving mechanism with idler friction wheel and reel fri...

Loading apparatus for tape recorders and having a structure for mov...

Power transmission device for tape recorder

Tape rewinding mechanism for magnetic recording/reproducing apparatus

Door mechanism for a tape recorder

Idler controlling apparatus of a magnetic recording/reproducing app...

Power transferring device for magnetic recording and reproducing ap...

Reel-guide apparatus of a magnetic recording/reproducing apparatus...

Double-deck camcorder with perpendicularly installed head drum

Idler controlling apparatus of a magnetic recording/reproducing app...

Housing apparatus for a tape recorder and which includes a slidable...

Cassette lid opening and closing system for magnetic recording and...

Tape rewinding device for magnetic recording and reproducing apparatus

Patents Applicationslast 30 patents

Head drum assembly for a tape recorder

Electric power supply device of a tape-end detecting sensor for a t...

Tape guide device for magnetic recording/reproducing apparatus

Head drum assembly for a tape recorder

Head drum assembly of a tape recorder

Deck mechanism for magnetic recording/reproducing apparatus

Electric power supply device of a tape-end detecting sensor for a t...

Moving deck plate for camcorder

Magnetic tape guiding device for use with a tape transport system o...

Tape guide device for magnetic recording/reproducing apparatus