JPS57173290A - Time code generator - Google Patents

Time code generator

Info

Publication number
JPS57173290A
JPS57173290A JP56058038A JP5803881A JPS57173290A JP S57173290 A JPS57173290 A JP S57173290A JP 56058038 A JP56058038 A JP 56058038A JP 5803881 A JP5803881 A JP 5803881A JP S57173290 A JPS57173290 A JP S57173290A
Authority
JP
Japan
Prior art keywords
time codes
circuit
ntsc system
frame
framing
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
Application number
JP56058038A
Other languages
Japanese (ja)
Other versions
JPH0120597B2 (en
Inventor
Toshiteru Nakamura
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 JP56058038A priority Critical patent/JPS57173290A/en
Publication of JPS57173290A publication Critical patent/JPS57173290A/en
Publication of JPH0120597B2 publication Critical patent/JPH0120597B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • G11B27/323—Time code signal, e.g. on a cue track as SMPTE- or EBU-time code
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Abstract

PURPOSE:To use time codes in common with an NTSC system, for color framing during editing by providing the NTSC system with a table for converting the time codes of the NTSC system into those of a system which performs framing by four succeeding frames. CONSTITUTION:A driving circuit 1, a presetting device 2, a clock generator 3, and a drop frame generation control circuit 4 generate time codes of the NTSC system. The generated time codes are supplied to a time code modulating circuit 5 to obtain a biphase signal, which is supplied from a terminal 6 to a video recorder. The time codes, on the other hand, are converted into frame data X1 (low order) and X2 (high order) by a time code frame data converting circuit 8 according to a color framing table for conversion to four succeeding frame of the PAL-M system. They are compared by a comparing circuit 11 with data Y1 and Y2 from a frame data detecting circuit 13 to generate a control signal for a clock 3. Consequently, the frame numbers of four succeeding frames of a reproduced color television signal are discriminated by the time codes of the NTSC system, facilitating the framing.
JP56058038A 1981-04-17 1981-04-17 Time code generator Granted JPS57173290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56058038A JPS57173290A (en) 1981-04-17 1981-04-17 Time code generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058038A JPS57173290A (en) 1981-04-17 1981-04-17 Time code generator

Publications (2)

Publication Number Publication Date
JPS57173290A true JPS57173290A (en) 1982-10-25
JPH0120597B2 JPH0120597B2 (en) 1989-04-17

Family

ID=13072757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058038A Granted JPS57173290A (en) 1981-04-17 1981-04-17 Time code generator

Country Status (1)

Country Link
JP (1) JPS57173290A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242130A2 (en) * 1986-04-12 1987-10-21 Sony Corporation Electronic editing apparatus
JPH02126786A (en) * 1988-11-07 1990-05-15 Matsushita Electric Ind Co Ltd Magnetic recording/reproducing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242130A2 (en) * 1986-04-12 1987-10-21 Sony Corporation Electronic editing apparatus
JPS62241490A (en) * 1986-04-12 1987-10-22 Sony Corp Electronic editing system
JPH02126786A (en) * 1988-11-07 1990-05-15 Matsushita Electric Ind Co Ltd Magnetic recording/reproducing device

Also Published As

Publication number Publication date
JPH0120597B2 (en) 1989-04-17

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