JPS61128667U - - Google Patents
Info
- Publication number
- JPS61128667U JPS61128667U JP1985011739U JP1173985U JPS61128667U JP S61128667 U JPS61128667 U JP S61128667U JP 1985011739 U JP1985011739 U JP 1985011739U JP 1173985 U JP1173985 U JP 1173985U JP S61128667 U JPS61128667 U JP S61128667U
- Authority
- JP
- Japan
- Prior art keywords
- solid
- state memory
- card
- reading
- signal
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図は第１図のタイミングチヤート、第３図はカ
ード検出用マイクロスイツチ及びカード駆動機構
の斜視図、第４図は第１図の適応デルタ変復調回
路の実施例を示すブロツク図、第５図は学習カー
ドプレーヤの外観斜視図である。
なお図面に用いた符号において、５……学習カ
ード、７……ポーズスイツチ、１０……再生ヘツ
ド、１９……適応デルタ変復調回路、２４……ア
ドレスカウンタ、２８……固体メモリ、である。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a timing chart of Fig. 1, Fig. 3 is a perspective view of a card detection microswitch and a card drive mechanism, and Fig. 4 is a diagram of Fig. A block diagram showing an embodiment of the adaptive delta modulation/demodulation circuit, and FIG. 5 is an external perspective view of a learning card player. In the symbols used in the drawings, 5...learning card, 7...pause switch, 10...playback head, 19...adaptive delta modulation/demodulation circuit, 24...address counter, 28...solid-state memory.
Claims (1)
段と、この検出手段の検出に基づいて動作される
カード再生回路と、このカード再生回路から得ら
れるアナログ音声信号をＡ／Ｄ変換する手段と、
上記Ａ／Ｄ変換された信号が書き込まれる固体メ
モリと、この固体メモリから読み出された信号を
Ｄ／Ａ変換する手段と、上記固体メモリに所定時
間書き込み及び読み出しを行わせるカウンタと、
上記読み出しを一時停止させる手段とを設けて成
り、上記一時停止の解除後、上記信号を最初から
読み出すようにした学習カードプレーヤ。 A detection means for detecting that a learning card has been inserted, a card reproducing circuit operated based on detection by the detecting means, and means for A/D converting an analog audio signal obtained from the card reproducing circuit;
a solid-state memory into which the A/D-converted signal is written; a means for D/A-converting the signal read from the solid-state memory; and a counter that causes the solid-state memory to perform writing and reading for a predetermined period of time;
A learning card player comprising means for temporarily stopping the reading, and reading out the signal from the beginning after the temporary stop is canceled.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985011739U JPH0526595Y2 (en) | 1985-01-30 | 1985-01-30 | |
| KR1019860000572A KR930003762B1 (en) | 1985-01-30 | 1986-01-29 | Study card player |
| CN86101159.7A CN1003406B (en) | 1985-01-30 | 1986-01-30 | T-card repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985011739U JPH0526595Y2 (en) | 1985-01-30 | 1985-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61128667U true JPS61128667U (en) | 1986-08-12 |
| JPH0526595Y2 JPH0526595Y2 (en) | 1993-07-06 |
Family
ID=11786396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985011739U Expired - Lifetime JPH0526595Y2 (en) | 1985-01-30 | 1985-01-30 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0526595Y2 (en) |
| KR (1) | KR930003762B1 (en) |
| CN (1) | CN1003406B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040047C (en) * | 1993-03-27 | 1998-09-30 | 华南理工大学 | Read/write device for data on magnetic card |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61129679A (en) * | 1984-11-28 | 1986-06-17 | 日本電気株式会社 | Instantaneously checking learning reproducer |
-
1985
- 1985-01-30 JP JP1985011739U patent/JPH0526595Y2/ja not_active Expired - Lifetime
-
1986
- 1986-01-29 KR KR1019860000572A patent/KR930003762B1/en not_active IP Right Cessation
- 1986-01-30 CN CN86101159.7A patent/CN1003406B/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61129679A (en) * | 1984-11-28 | 1986-06-17 | 日本電気株式会社 | Instantaneously checking learning reproducer |
Also Published As
| Publication number | Publication date |
|---|---|
| KR860006075A (en) | 1986-08-28 |
| KR930003762B1 (en) | 1993-05-10 |
| CN1003406B (en) | 1989-02-22 |
| JPH0526595Y2 (en) | 1993-07-06 |
| CN86101159A (en) | 1986-09-17 |
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