JPS647372A - Recorder - Google Patents
RecorderInfo
- Publication number
- JPS647372A JPS647372A JP16090987A JP16090987A JPS647372A JP S647372 A JPS647372 A JP S647372A JP 16090987 A JP16090987 A JP 16090987A JP 16090987 A JP16090987 A JP 16090987A JP S647372 A JPS647372 A JP S647372A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input signal
- flag
- circuit
- restricting
- 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
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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16090987A JPH0778963B2 (ja) | 1987-06-30 | 1987-06-30 | 記録及び再生装置 |
| EP88106689A EP0297242B1 (en) | 1987-06-30 | 1988-04-26 | Recording/reproducing system and method with record restriction function |
| DE3850530T DE3850530T2 (de) | 1987-06-30 | 1988-04-26 | System und Verfahren zur Aufnahme/Wiedergabe mit Aufnahmebeschränkungsfunktion. |
| US07/187,041 US4924328A (en) | 1987-06-30 | 1988-04-27 | System for recording/reproducing an information source having an apparatus-specific identification signal |
| US07/434,791 US5003410A (en) | 1987-06-30 | 1989-11-13 | System for recording/reproducing an information source having an apparatus specific identification signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16090987A JPH0778963B2 (ja) | 1987-06-30 | 1987-06-30 | 記録及び再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS647372A true JPS647372A (en) | 1989-01-11 |
| JPH0778963B2 JPH0778963B2 (ja) | 1995-08-23 |
Family
ID=15724950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16090987A Expired - Lifetime JPH0778963B2 (ja) | 1987-06-30 | 1987-06-30 | 記録及び再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0778963B2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02239468A (ja) * | 1989-03-13 | 1990-09-21 | Toshiba Corp | ダビング制御装置 |
| JP2002246993A (ja) * | 2001-02-14 | 2002-08-30 | Sony Corp | 情報処理装置および方法、記録媒体、並びにプログラム |
-
1987
- 1987-06-30 JP JP16090987A patent/JPH0778963B2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02239468A (ja) * | 1989-03-13 | 1990-09-21 | Toshiba Corp | ダビング制御装置 |
| JP2002246993A (ja) * | 2001-02-14 | 2002-08-30 | Sony Corp | 情報処理装置および方法、記録媒体、並びにプログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0778963B2 (ja) | 1995-08-23 |
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