JPS54507A - Receiver for multi-frequency signal - Google Patents

Receiver for multi-frequency signal

Info

Publication number
JPS54507A
JPS54507A JP6481877A JP6481877A JPS54507A JP S54507 A JPS54507 A JP S54507A JP 6481877 A JP6481877 A JP 6481877A JP 6481877 A JP6481877 A JP 6481877A JP S54507 A JPS54507 A JP S54507A
Authority
JP
Japan
Prior art keywords
receiver
frequency signal
signal
band
enable
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
JP6481877A
Other languages
Japanese (ja)
Inventor
Akira Ichikawa
Kazuto Hirose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6481877A priority Critical patent/JPS54507A/en
Publication of JPS54507A publication Critical patent/JPS54507A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Abstract

PURPOSE:To enable to receive a FM signal without providing a specific artificial signal other than MF band signal together with the detection of MF signal at an audio band.
JP6481877A 1977-06-03 1977-06-03 Receiver for multi-frequency signal Pending JPS54507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6481877A JPS54507A (en) 1977-06-03 1977-06-03 Receiver for multi-frequency signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6481877A JPS54507A (en) 1977-06-03 1977-06-03 Receiver for multi-frequency signal

Publications (1)

Publication Number Publication Date
JPS54507A true JPS54507A (en) 1979-01-05

Family

ID=13269200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6481877A Pending JPS54507A (en) 1977-06-03 1977-06-03 Receiver for multi-frequency signal

Country Status (1)

Country Link
JP (1) JPS54507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63227228A (en) * 1987-03-17 1988-09-21 Fujitsu Ltd Detector for modem training signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63227228A (en) * 1987-03-17 1988-09-21 Fujitsu Ltd Detector for modem training signal
JPH0526379B2 (en) * 1987-03-17 1993-04-15 Fujitsu Ltd

Similar Documents

Publication Publication Date Title
AU502598B2 (en) Remote receiver tuning indication
IL51656A0 (en) Transmitter/receivers
SG63584G (en) An fm receiver
SG92484G (en) Receiver for compatible am stereo signals
GB2021354A (en) Multifequency signal receiver
GB2040621B (en) Stop on signal receivers
JPS5294004A (en) Audio signal transmitter
HK68383A (en) Signal receiver
JPS55140343A (en) Stereophonic signal receiver
AU519057B2 (en) Broadcast receiver tuning
JPS53123018A (en) Fm digital signal receiver
JPS532017A (en) Fm digital signal receiver
JPS54507A (en) Receiver for multi-frequency signal
AU527670B2 (en) Receiver tuning with audio indication
JPS5475905A (en) Am stereophonic receiver having improved correction signal
AU1290076A (en) Frequency selective signal receiver
AU513375B2 (en) Receiver muting
JPS5413714A (en) Multi-frequency signal reception system
JPS5292423A (en) Automatic ghost rejecting unit
JPS52107186A (en) Ultrasonic signal receiver
SU678705A1 (en) Phase-manipulated signal receiver
JPS52101913A (en) Tuning signal generator for receiver
JPS5311509A (en) Sweep stop signal generation system
JPS53105107A (en) Receiver
JPS5239302A (en) Sca signal transmitting and receiving system