JPH033884U - - Google Patents

Info

Publication number
JPH033884U
JPH033884U JP6337589U JP6337589U JPH033884U JP H033884 U JPH033884 U JP H033884U JP 6337589 U JP6337589 U JP 6337589U JP 6337589 U JP6337589 U JP 6337589U JP H033884 U JPH033884 U JP H033884U
Authority
JP
Japan
Prior art keywords
television
transmitter device
frequency
harmonic
high band
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
Application number
JP6337589U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6337589U priority Critical patent/JPH033884U/ja
Publication of JPH033884U publication Critical patent/JPH033884U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例のテレビジヨン音声用Ｆ
Ｍトランスミツタ装置の構成図。第２図ａは送出
周波数７６．７ＭHz時の周波数関係図。第２図ｂ
は送出周波数７８．７ＭHz時の周波数関係図。第
３図はテレビジヨンＶＨＦハイバンドチヤンネル
９付近の周波数関係図。第４図はテレビジヨン中
間周波回路選択度特性図。 Figure 1 shows an F for television audio according to an embodiment of the present invention.
The configuration diagram of the M transmitter device. Figure 2a is a frequency relationship diagram when the transmission frequency is 76.7MHz. Figure 2b
is a frequency relationship diagram when the sending frequency is 78.7MHz. FIG. 3 is a frequency relationship diagram around television VHF high band channel 9. FIG. 4 is a television intermediate frequency circuit selectivity characteristic diagram.

Claims (1)

【実用新案登録請求の範囲】 (1) ａ 日本国内でテレビジヨン受信装置と、 ｂ テレビジヨン音声信号をＦＭ放送波に変換
して、微弱出力で送出するＦＭトランスミツタ装
置と、 ｃ ＦＭ受信装置により構成される装置におい
て、 ｄ ＦＭトランスミツタ装置の送出周波数を、
その２次高調波がテレビジヨンＶＨＦハイバンド
より低く、 ｅ かつ、ＦＭ受信装置の局部発振周波数の３
次高調波が、テレビジヨンＶＨＦハイバンド各チ
ヤンネルの映像搬送周波数より１．２５ＭHz低く
なる様に選定したことを特徴とする。テレビジヨ
ン音声用ＦＭトランスミツタ装置。 (2) 前記送出周波数を７６．７ＭHz、７８．７
ＭHzの２波切換としたことを特徴とする請求項１
記載のテレビジヨン音声用ＦＭトランスミツタ装
置。[Scope of Claim for Utility Model Registration] (1) a. A television receiving device in Japan; b. an FM transmitter device that converts television audio signals into FM broadcast waves and transmits them with weak output; c. an FM receiving device. In the device configured by d, the transmission frequency of the FM transmitter device is
The second harmonic is lower than the television VHF high band, and is 3 times higher than the local oscillation frequency of the FM receiver.
The third harmonic is selected to be 1.25 MHz lower than the video carrier frequency of each television VHF high band channel. FM transmitter device for television audio. (2) The sending frequency is 76.7MHz, 78.7MHz.
Claim 1 characterized in that it is a two-wave switching of MHz.
The television audio FM transmitter device described above.
JP6337589U 1989-05-31 1989-05-31 Pending JPH033884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6337589U JPH033884U (en) 1989-05-31 1989-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6337589U JPH033884U (en) 1989-05-31 1989-05-31

Publications (1)

Publication Number Publication Date
JPH033884U true JPH033884U (en) 1991-01-16

Family

ID=31593364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6337589U Pending JPH033884U (en) 1989-05-31 1989-05-31

Country Status (1)

Country Link
JP (1) JPH033884U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628580U (en) * 1992-09-08 1994-04-15 中野冷機株式会社 Storage for fresh products
GB2428213A (en) * 2004-08-06 2007-01-24 Inst Nagoya Ind Science Res Multi-pitch screw, and method and device for manufacturing multi-pitch screw

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628580U (en) * 1992-09-08 1994-04-15 中野冷機株式会社 Storage for fresh products
GB2428213A (en) * 2004-08-06 2007-01-24 Inst Nagoya Ind Science Res Multi-pitch screw, and method and device for manufacturing multi-pitch screw

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