JPS6113666B2 - - Google Patents

Info

Publication number
JPS6113666B2
JPS6113666B2 JP51047393A JP4739376A JPS6113666B2 JP S6113666 B2 JPS6113666 B2 JP S6113666B2 JP 51047393 A JP51047393 A JP 51047393A JP 4739376 A JP4739376 A JP 4739376A JP S6113666 B2 JPS6113666 B2 JP S6113666B2
Authority
JP
Japan
Prior art keywords
signal
recorded
tape
supplied
pulse
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
Application number
JP51047393A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52130315A (en
Inventor
Kyoshi Yamakawa
Minoru Morio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP4739376A priority Critical patent/JPS52130315A/ja
Publication of JPS52130315A publication Critical patent/JPS52130315A/ja
Publication of JPS6113666B2 publication Critical patent/JPS6113666B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808Driving of both record carrier and head
    • G11B15/1875Driving of both record carrier and head adaptations for special effects or editing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP4739376A 1976-04-26 1976-04-26 Pre-recorded recording media Granted JPS52130315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4739376A JPS52130315A (en) 1976-04-26 1976-04-26 Pre-recorded recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4739376A JPS52130315A (en) 1976-04-26 1976-04-26 Pre-recorded recording media

Publications (2)

Publication Number Publication Date
JPS52130315A JPS52130315A (en) 1977-11-01
JPS6113666B2 true JPS6113666B2 (US20020128544A1-20020912-P00008.png) 1986-04-15

Family

ID=12773856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4739376A Granted JPS52130315A (en) 1976-04-26 1976-04-26 Pre-recorded recording media

Country Status (1)

Country Link
JP (1) JPS52130315A (US20020128544A1-20020912-P00008.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5975780A (ja) * 1982-10-08 1984-04-28 ノーザン・テレコム・リミテッド ビデオ信号を禁止するためビデオ信号を修正する方法および装置
JPH07170482A (ja) * 1993-12-14 1995-07-04 Nec Corp Vtr録画防止用tv信号発生装置および方法

Also Published As

Publication number Publication date
JPS52130315A (en) 1977-11-01

Similar Documents

Publication Publication Date Title
US4100575A (en) Method of and apparatus for modifying a video signal to prevent unauthorized recording and reproduction thereof
JPS62632B2 (US20020128544A1-20020912-P00008.png)
JPS6030008B2 (ja) 再生装置
JPS6113666B2 (US20020128544A1-20020912-P00008.png)
JPS6053511B2 (ja) 記録済み記録媒体及びその作製方法
JPS6052629B2 (ja) 記録済記録媒体及びその作製方法
JPS6011511B2 (ja) 記録済み記録媒体
JPS6328392B2 (US20020128544A1-20020912-P00008.png)
JPS6052626B2 (ja) 記録済み記録媒体及びその作製方法
JPS6053512B2 (ja) 記録済み記録媒体
JPS6052627B2 (ja) 記録済み記録媒体及びその作製方法
JPS6052628B2 (ja) 記録済み記録媒体及びその作製方法
JPS6352835B2 (US20020128544A1-20020912-P00008.png)
JP3098596B2 (ja) 磁気記録再生装置
JPS6016796B2 (ja) 記録済み記録媒体及びその作製方法
JPS6147033B2 (US20020128544A1-20020912-P00008.png)
JP2542905B2 (ja) 複製防止録画済ビデオテ―プ
JPS6010476B2 (ja) 録画再生装置
JP2533330B2 (ja) 複製防止録画済ビデオテ―プ
JPH0771262B2 (ja) 磁気記録再生装置
JPS6011512B2 (ja) 記録済み記録媒体
JPS6122375B2 (US20020128544A1-20020912-P00008.png)
JPS6011513B2 (ja) 記録済み記録媒体
JPS634256B2 (US20020128544A1-20020912-P00008.png)
JPH01182968A (ja) 磁気記録装置