JPS6459677A - Information signal recorder - Google Patents
Information signal recorderInfo
- Publication number
- JPS6459677A JPS6459677A JP62215173A JP21517387A JPS6459677A JP S6459677 A JPS6459677 A JP S6459677A JP 62215173 A JP62215173 A JP 62215173A JP 21517387 A JP21517387 A JP 21517387A JP S6459677 A JPS6459677 A JP S6459677A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- head
- reproduction
- frequency characteristic
- information 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.)
- Pending
Links
Landscapes
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
PURPOSE:To equalize the frequency characteristic of an information signal recording current over all recording positions of a recording medium and to suppress the erroneous reproduction at the time of reproduction, by changing the frequency characteristic of a recording current due to the difference of the recording track position of the recording medium of an information signal recorder. CONSTITUTION:When a recording mode is set by a control circuit to control the whole of a recorder, switches S1 and S2 are connected to an (a) side (reproduction) and a recording amplifier 1 is connected to first and second step-up transformers 5-1 and 5-2. A still picture signal inputted to an FM modulator 7 is frequency-deviated and a carrier is directly FM-modulated. When a recording starting command from a control circuit is the frame recording, during the rotational period of a magnetic sheet 4, a first field signal is supplied to a first magnetic head 2-1 and a second field signal is supplied to a second head 2-2 by the next one rotation. A magnetic head position detector 11 detects that the head 2-1 becomes a prescribed position, the head is inputted to the amplifier 1 and due to the difference in the recording track position, the frequency characteristic of a recording current is changed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62215173A JPS6459677A (en) | 1987-08-31 | 1987-08-31 | Information signal recorder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62215173A JPS6459677A (en) | 1987-08-31 | 1987-08-31 | Information signal recorder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6459677A true JPS6459677A (en) | 1989-03-07 |
Family
ID=16667870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62215173A Pending JPS6459677A (en) | 1987-08-31 | 1987-08-31 | Information signal recorder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6459677A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5384628A (en) * | 1992-10-10 | 1995-01-24 | Ricoh Company, Ltd. | Developing device for image forming equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6161590A (en) * | 1984-08-31 | 1986-03-29 | Mitsubishi Electric Corp | Processing circuit of chrominance signal |
-
1987
- 1987-08-31 JP JP62215173A patent/JPS6459677A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6161590A (en) * | 1984-08-31 | 1986-03-29 | Mitsubishi Electric Corp | Processing circuit of chrominance signal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5384628A (en) * | 1992-10-10 | 1995-01-24 | Ricoh Company, Ltd. | Developing device for image forming equipment |
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