JPS6374863U - - Google Patents

Info

Publication number
JPS6374863U
JPS6374863U JP16858686U JP16858686U JPS6374863U JP S6374863 U JPS6374863 U JP S6374863U JP 16858686 U JP16858686 U JP 16858686U JP 16858686 U JP16858686 U JP 16858686U JP S6374863 U JPS6374863 U JP S6374863U
Authority
JP
Japan
Prior art keywords
frequency
signal
receiver
counter
difference
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.)
Granted
Application number
JP16858686U
Other languages
Japanese (ja)
Other versions
JPH0520034Y2 (en
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 JP1986168586U priority Critical patent/JPH0520034Y2/ja
Publication of JPS6374863U publication Critical patent/JPS6374863U/ja
Application granted granted Critical
Publication of JPH0520034Y2 publication Critical patent/JPH0520034Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Facsimiles In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Description

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

第１図はこの考案による無線ＦＳ受信機の同調
指示装置の一例を示すブロツク図、第２図はその
動作の説明に供するためのタイムチヤート、第３
図は画信号とＦＳとの変調波の関係を示すタイム
チヤート、第４図は従来の同調指示装置を示す接
続図である。 FIG. 1 is a block diagram showing an example of a tuning instruction device for a wireless FS receiver according to this invention, FIG. 2 is a time chart for explaining its operation, and FIG.
The figure is a time chart showing the relationship between the image signal and the modulated wave of the FS, and FIG. 4 is a connection diagram showing a conventional tuning instruction device.

Claims (1)

【実用新案登録請求の範囲】 受信ＦＳ信号を低周波信号に変換する周波数変
換器と、 その周波数変換器の出力と正しい周波数の場合
におけるその変換周波数と実質的に同一の基準信
号とを周波数混合して差の周波数成分を出力する
周波数混合器と、 その周波数混合器よりの差の成分を計測する計
数器と、 その計数器の計数値を表示して受信機の同調状
態を指示する表示器とを具備する無線ＦＳ受信機
の同調指示装置。[Claims for Utility Model Registration] A frequency converter that converts a received FS signal into a low frequency signal, and frequency mixing of the output of the frequency converter and a reference signal that is substantially the same as the converted frequency in the case of the correct frequency. a frequency mixer that outputs the difference frequency component, a counter that measures the difference component from the frequency mixer, and an indicator that displays the count value of the counter and indicates the tuning state of the receiver. A tuning instruction device for a wireless FS receiver, comprising:
JP1986168586U 1986-10-31 1986-10-31 Expired - Lifetime JPH0520034Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986168586U JPH0520034Y2 (en) 1986-10-31 1986-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986168586U JPH0520034Y2 (en) 1986-10-31 1986-10-31

Publications (2)

Publication Number Publication Date
JPS6374863U true JPS6374863U (en) 1988-05-18
JPH0520034Y2 JPH0520034Y2 (en) 1993-05-26

Family

ID=31101599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986168586U Expired - Lifetime JPH0520034Y2 (en) 1986-10-31 1986-10-31

Country Status (1)

Country Link
JP (1) JPH0520034Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138154A (en) * 1975-05-26 1976-11-29 Fujitsu Ltd Fsk demodulator
JPS57198156U (en) * 1981-06-10 1982-12-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138154A (en) * 1975-05-26 1976-11-29 Fujitsu Ltd Fsk demodulator
JPS57198156U (en) * 1981-06-10 1982-12-16

Also Published As

Publication number Publication date
JPH0520034Y2 (en) 1993-05-26

Similar Documents

Publication Publication Date Title
JPS6374863U (en)
JPS62186073U (en)
JPS6421517U (en)
JPH03111070U (en)
JPH0170179U (en)
JPH0379520U (en)
JPS6451875U (en)
JPS5847175U (en) Electric field strength digital display
JPS62155541U (en)
JPH0195819U (en)
JPS58125406U (en) Frequency divider
JPS59175182U (en) Electric field strength measuring device
JPH0195676U (en)
JPS61107214U (en)
JPS5986755U (en) Wireless line inspection device
JPS59183667U (en) Electric field strength measuring device
JPH0251413U (en)
JPH0328888U (en)
JPH01243608A (en) Detector
JPS63171039U (en)
JPS62123579U (en)
JPS61119442U (en)
JPS6316724U (en)
JPS62164429U (en)
JPS62105643U (en)