JPH03106420U - - Google Patents
Info
- Publication number
- JPH03106420U JPH03106420U JP1270690U JP1270690U JPH03106420U JP H03106420 U JPH03106420 U JP H03106420U JP 1270690 U JP1270690 U JP 1270690U JP 1270690 U JP1270690 U JP 1270690U JP H03106420 U JPH03106420 U JP H03106420U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- recording
- voltage
- audio
- conversion device
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Recording Measured Values (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は、本考案の一実施例に係る電圧−周波
数変換回路図であり、第２図は本考案の実施例に
係る周波数−電圧変換回路図である。
１〜３９……抵抗、１０１〜１０６……コンデ
ンサ、２０１〜２０６……可変抵抗、３０１〜３
０５……ダイオード、０１〜０１３……演算増幅
器。
FIG. 1 is a voltage-frequency conversion circuit diagram according to an embodiment of the present invention, and FIG. 2 is a frequency-voltage conversion circuit diagram according to an embodiment of the present invention. 1-39...Resistor, 101-106...Capacitor, 201-206...Variable resistor, 301-3
05...Diode, 01-013...Operation amplifier.
Claims (1)
記録可能な装置に対して音声記録をおこなう部分
に電気信号の電圧振幅値変化を周波数の変化に変
換して記録するための電圧・周波数変換装置と、
周波数の変化として記録された信号を電圧の振幅
として再生するための周波数・電圧変換装置とを
具備することを特徴とするデータ記録付加装置。 A voltage/frequency conversion device for converting changes in the voltage amplitude value of an electric signal into changes in frequency and recording the same in an audio recording section of a device capable of simultaneously recording video and audio, such as a video tape recorder;
1. A data recording/adding device comprising: a frequency/voltage conversion device for reproducing a signal recorded as a frequency change as a voltage amplitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1270690U JPH03106420U (en) | 1990-02-14 | 1990-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1270690U JPH03106420U (en) | 1990-02-14 | 1990-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03106420U true JPH03106420U (en) | 1991-11-01 |
Family
ID=31516165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1270690U Pending JPH03106420U (en) | 1990-02-14 | 1990-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03106420U (en) |
-
1990
- 1990-02-14 JP JP1270690U patent/JPH03106420U/ja active Pending
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