CN1004947B - 学习卡播放机 - Google Patents
学习卡播放机 Download PDFInfo
- Publication number
- CN1004947B CN1004947B CN86100117.6A CN86100117A CN1004947B CN 1004947 B CN1004947 B CN 1004947B CN 86100117 A CN86100117 A CN 86100117A CN 1004947 B CN1004947 B CN 1004947B
- Authority
- CN
- China
- Prior art keywords
- signal
- mentioned
- card
- state memory
- conversion
- 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
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electrically Operated Instructional Devices (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8485/85 | 1985-01-24 | ||
JP1985008485U JPH0526594Y2 (US20100012521A1-20100121-C00001.png) | 1985-01-24 | 1985-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN86100117A CN86100117A (zh) | 1986-07-23 |
CN1004947B true CN1004947B (zh) | 1989-08-02 |
Family
ID=11694412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN86100117.6A Expired CN1004947B (zh) | 1985-01-24 | 1986-01-09 | 学习卡播放机 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH0526594Y2 (US20100012521A1-20100121-C00001.png) |
KR (1) | KR910008568Y1 (US20100012521A1-20100121-C00001.png) |
CN (1) | CN1004947B (US20100012521A1-20100121-C00001.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1036685C (zh) * | 1995-06-20 | 1997-12-10 | 贾东升 | 信息记录和信息重放装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52123609A (en) * | 1976-04-09 | 1977-10-18 | Hitachi Koki Kk | Word studying machine |
JPS5912479A (ja) * | 1982-07-12 | 1984-01-23 | 三洋電機株式会社 | 発音練習装置 |
-
1985
- 1985-01-24 JP JP1985008485U patent/JPH0526594Y2/ja not_active Expired - Lifetime
- 1985-12-20 KR KR2019850017184U patent/KR910008568Y1/ko not_active IP Right Cessation
-
1986
- 1986-01-09 CN CN86100117.6A patent/CN1004947B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS61126274U (US20100012521A1-20100121-C00001.png) | 1986-08-08 |
KR860010035U (ko) | 1986-08-16 |
KR910008568Y1 (ko) | 1991-10-25 |
JPH0526594Y2 (US20100012521A1-20100121-C00001.png) | 1993-07-06 |
CN86100117A (zh) | 1986-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C13 | Decision | ||
GR02 | Examined patent application | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |