JPS5882072U - Rfモジユレ−タ - Google Patents
Rfモジユレ−タInfo
- Publication number
- JPS5882072U JPS5882072U JP17519381U JP17519381U JPS5882072U JP S5882072 U JPS5882072 U JP S5882072U JP 17519381 U JP17519381 U JP 17519381U JP 17519381 U JP17519381 U JP 17519381U JP S5882072 U JPS5882072 U JP S5882072U
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- signal
- audio
- audio signal
- circuit
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
- H04N5/9202—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal
- H04N5/9204—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal using frequency division multiplex
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
め要約のデータは記録されません。
Description
′第1図はRFモジュレータの回路構成図、第2図は従
来の要部回路図、第3図は本考案1実施例の要部回路図
である。 1・・・・・・クランプ回路、2・・・・・・変調器・
ミキサー、4・・・・・・音声発振・変調回路、5・・
・・・・同調回路、6・・・・・・搬送波発振回路、7
・・・・・・アッテネータ、8−・・・・・増幅器、1
1・・・・・・同調容量、12・・・・・・−次側コイ
ル、13・・・・・・二次側コイル、14・・・・・・
−次側コイル、15・・・・・・−次側コイル、16・
・・・・・切替スイッチ。
来の要部回路図、第3図は本考案1実施例の要部回路図
である。 1・・・・・・クランプ回路、2・・・・・・変調器・
ミキサー、4・・・・・・音声発振・変調回路、5・・
・・・・同調回路、6・・・・・・搬送波発振回路、7
・・・・・・アッテネータ、8−・・・・・増幅器、1
1・・・・・・同調容量、12・・・・・・−次側コイ
ル、13・・・・・・二次側コイル、14・・・・・・
−次側コイル、15・・・・・・−次側コイル、16・
・・・・・切替スイッチ。
Claims (1)
- 映像信号及び音声信号をRF倍信号変調するRFモジュ
レータにおいて、音声信号変調用の音声周波数を2つ以
上選択的に切替える手段を設けたことを特徴とすもRF
モジュレータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17519381U JPS5882072U (ja) | 1981-11-25 | 1981-11-25 | Rfモジユレ−タ |
DE19823238920 DE3238920C2 (de) | 1981-11-25 | 1982-10-21 | Hochfrequenzmodulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17519381U JPS5882072U (ja) | 1981-11-25 | 1981-11-25 | Rfモジユレ−タ |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5882072U true JPS5882072U (ja) | 1983-06-03 |
Family
ID=15991912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17519381U Pending JPS5882072U (ja) | 1981-11-25 | 1981-11-25 | Rfモジユレ−タ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5882072U (ja) |
DE (1) | DE3238920C2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60185475A (ja) * | 1984-03-05 | 1985-09-20 | Alps Electric Co Ltd | 高周波変調回路 |
DE4121027A1 (de) * | 1991-06-26 | 1993-01-07 | Thomson Brandt Gmbh | Anordnung fuer einen video- und tonmodulator |
KR950005600B1 (ko) * | 1992-06-29 | 1995-05-27 | 주식회사금성사 | 브이씨알의 음성다중방송 수신장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5636213U (ja) * | 1979-08-28 | 1981-04-07 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1560991A (en) * | 1975-12-08 | 1980-02-13 | Rca Corp | Video record player system |
-
1981
- 1981-11-25 JP JP17519381U patent/JPS5882072U/ja active Pending
-
1982
- 1982-10-21 DE DE19823238920 patent/DE3238920C2/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5636213U (ja) * | 1979-08-28 | 1981-04-07 |
Also Published As
Publication number | Publication date |
---|---|
DE3238920A1 (de) | 1983-06-01 |
DE3238920C2 (de) | 1986-11-27 |
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