KR920001131B1 - 카세트테이프레코더의 자기헤드 자력소거장치 - Google Patents
카세트테이프레코더의 자기헤드 자력소거장치 Download PDFInfo
- Publication number
- KR920001131B1 KR920001131B1 KR1019870006462A KR870006462A KR920001131B1 KR 920001131 B1 KR920001131 B1 KR 920001131B1 KR 1019870006462 A KR1019870006462 A KR 1019870006462A KR 870006462 A KR870006462 A KR 870006462A KR 920001131 B1 KR920001131 B1 KR 920001131B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- oscillator
- head
- capacitor
- magnetic head
- 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.)
- Expired
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/465—Arrangements for demagnetisation of heads
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986097794U JPS636506U (enExample) | 1986-06-27 | 1986-06-27 | |
| JP97794 | 1986-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880000916A KR880000916A (ko) | 1988-03-30 |
| KR920001131B1 true KR920001131B1 (ko) | 1992-02-01 |
Family
ID=14201713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870006462A Expired KR920001131B1 (ko) | 1986-06-27 | 1987-06-25 | 카세트테이프레코더의 자기헤드 자력소거장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4849843A (enExample) |
| JP (1) | JPS636506U (enExample) |
| KR (1) | KR920001131B1 (enExample) |
| DE (1) | DE3720875A1 (enExample) |
| GB (1) | GB2194379B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843509A (en) * | 1988-02-05 | 1989-06-27 | Recoton Corporation | Apparatus for demagnetizing the magnetic head of a cassette tape recording and/or reproducing device |
| JP2808029B2 (ja) * | 1989-12-09 | 1998-10-08 | 株式会社オーディオテクニカ | 磁気ヘッドの消磁装置 |
| US5113301A (en) * | 1990-12-04 | 1992-05-12 | Huang Ku Di | Structure of tape player/recorder magnetic head cleaner |
| US5341263A (en) * | 1992-10-13 | 1994-08-23 | Recoton Corporation | Apparatus for demagnetizing the magnetic head of a cassette tape recording and/or reproducing device |
| US5392169A (en) * | 1993-06-08 | 1995-02-21 | International Business Machines Corporation | Electrical means to diminish read-back signal waveform distortion in recording heads |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3958273A (en) * | 1974-08-23 | 1976-05-18 | Robins Industries Corporation | Cassette-type head demagnetizer |
| US4135219A (en) * | 1976-07-22 | 1979-01-16 | Tdk Electronics Co., Ltd. | Demagnetizer for a magnetic head of a recording-reproducing device |
| US4224649A (en) * | 1978-05-10 | 1980-09-23 | Robins Industries Corp. | Automatic cassette head demagnetizer |
| US4470089A (en) * | 1981-12-21 | 1984-09-04 | International Jensen Incorporated | Tape unit cleaning device |
| US4454551A (en) * | 1982-01-07 | 1984-06-12 | Allsop, Inc. | Cleaning apparatus for a cassette player |
| JPS6476583A (en) * | 1987-09-18 | 1989-03-22 | Mitsubishi Electric Corp | Magnetic tape recording and reproducing device |
-
1986
- 1986-06-27 JP JP1986097794U patent/JPS636506U/ja active Pending
-
1987
- 1987-06-24 DE DE19873720875 patent/DE3720875A1/de active Granted
- 1987-06-24 GB GB8714750A patent/GB2194379B/en not_active Expired - Fee Related
- 1987-06-25 KR KR1019870006462A patent/KR920001131B1/ko not_active Expired
-
1988
- 1988-12-21 US US07/289,410 patent/US4849843A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2194379A (en) | 1988-03-02 |
| JPS636506U (enExample) | 1988-01-16 |
| DE3720875A1 (de) | 1988-01-28 |
| US4849843A (en) | 1989-07-18 |
| GB8714750D0 (en) | 1987-07-29 |
| KR880000916A (ko) | 1988-03-30 |
| GB2194379B (en) | 1990-01-24 |
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| KR920001131B1 (ko) | 카세트테이프레코더의 자기헤드 자력소거장치 | |
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| JPH08271539A (ja) | リールテーブルの回転速度検出装置 | |
| JPH076448A (ja) | 記録再生装置 |
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|---|---|---|---|
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| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
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| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
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| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
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| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
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| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
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| P13-X000 | Application amended |
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| G160 | Decision to publish patent application | ||
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