JPH02111976U - - Google Patents
Info
- Publication number
- JPH02111976U JPH02111976U JP1874689U JP1874689U JPH02111976U JP H02111976 U JPH02111976 U JP H02111976U JP 1874689 U JP1874689 U JP 1874689U JP 1874689 U JP1874689 U JP 1874689U JP H02111976 U JPH02111976 U JP H02111976U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- modulator
- oscillation section
- audio
- reference oscillation
- 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
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Systems (AREA)
Description
第１図は本考案の一実施例のモジユレータのブ
ロツク図、第２図は従来の同ブロツク図である。
１……音声変調器、２……映像変調器、３……
ミキサ、１１，１３，２１……基準発振部、１２
……第２音声中間周波数用発振部。
FIG. 1 is a block diagram of a modulator according to an embodiment of the present invention, and FIG. 2 is a conventional block diagram of the same. 1... Audio modulator, 2... Video modulator, 3...
Mixer, 11, 13, 21...Reference oscillation section, 12
...Second audio intermediate frequency oscillation section.
Claims (1)
変調する映像変調器と、音声信号を第２基準発振
部の周波数と第２音声中間周波数発振部の周波数
により変調する音声変調器とを具備するセパレー
ト方式のモジユレータにおいて、 上記第１基準発振部の周波数と上記第２基準発
振部の周波数とを異ならせたことを特徴とするモ
ジユレータ。 (2) 上記第１基準発振部の周波数と上記第２基
準発振部の周波数との差を、上記第２音声中間周
波数の二倍にしたことを特徴とする実用新案登録
請求の範囲第１項記載のモジユレータ。[Claims for Utility Model Registration] (1) A video modulator that modulates a video signal using the frequency of a first reference oscillator, and a video modulator that modulates an audio signal using the frequency of a second reference oscillator and the frequency of a second audio intermediate frequency oscillator. 1. A separate type modulator comprising an audio modulator for modulation, characterized in that the frequency of the first reference oscillation section and the frequency of the second reference oscillation section are different. (2) Utility model registration claim 1, characterized in that the difference between the frequency of the first reference oscillation section and the frequency of the second reference oscillation section is twice the second audio intermediate frequency. Modulator listed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1874689U JPH02111976U (en) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1874689U JPH02111976U (en) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02111976U true JPH02111976U (en) | 1990-09-07 |
Family
ID=31233659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1874689U Pending JPH02111976U (en) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02111976U (en) |
-
1989
- 1989-02-20 JP JP1874689U patent/JPH02111976U/ja active Pending