JPS53110309A - Multi-frequency signal receiving system - Google Patents

Multi-frequency signal receiving system

Info

Publication number
JPS53110309A
JPS53110309A JP2572977A JP2572977A JPS53110309A JP S53110309 A JPS53110309 A JP S53110309A JP 2572977 A JP2572977 A JP 2572977A JP 2572977 A JP2572977 A JP 2572977A JP S53110309 A JPS53110309 A JP S53110309A
Authority
JP
Japan
Prior art keywords
frequency signal
signal receiving
receiving system
discriminating
requiring
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
JP2572977A
Other languages
Japanese (ja)
Other versions
JPS6120196B2 (en
Inventor
Kenji Nakayama
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2572977A priority Critical patent/JPS53110309A/en
Publication of JPS53110309A publication Critical patent/JPS53110309A/en
Publication of JPS6120196B2 publication Critical patent/JPS6120196B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

PURPOSE:To make a receiver small-size without requiring a filter by discriminating the state of a two-frequency signal by using input signal sampling.
JP2572977A 1977-03-08 1977-03-08 Multi-frequency signal receiving system Granted JPS53110309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2572977A JPS53110309A (en) 1977-03-08 1977-03-08 Multi-frequency signal receiving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2572977A JPS53110309A (en) 1977-03-08 1977-03-08 Multi-frequency signal receiving system

Publications (2)

Publication Number Publication Date
JPS53110309A true JPS53110309A (en) 1978-09-27
JPS6120196B2 JPS6120196B2 (en) 1986-05-21

Family

ID=12173883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2572977A Granted JPS53110309A (en) 1977-03-08 1977-03-08 Multi-frequency signal receiving system

Country Status (1)

Country Link
JP (1) JPS53110309A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019151171A1 (en) 2018-01-30 2019-08-08 大日本印刷株式会社 Liquid crystal light control apparatus and method for manufacturing same

Also Published As

Publication number Publication date
JPS6120196B2 (en) 1986-05-21

Similar Documents

Publication Publication Date Title
JPS52134782A (en) Calculation input signal module excuted by program for wave form measuring analizer
IT7829782A0 (en) RECEIVER OF CODED MULTI-FREQUENCY NUMERIC SIGNALS.
IL55197A (en) Multifrequency signal receiver
PT68587A (en) Receiver for compatible am stereo signals.
JPS53110309A (en) Multi-frequency signal receiving system
JPS51146157A (en) Frequency step-multiplication circuit
JPS53110308A (en) Multi-frequency signal receiving system
JPS52137964A (en) Preset counter
JPS53120310A (en) Reception system for start-stop signal
JPS5413714A (en) Multi-frequency signal reception system
JPS53110307A (en) Multi-frequency signal receiving system
JPS541772A (en) Remote control system
JPS5376285A (en) Tele-controlling system
JPS53138616A (en) Multi-frequency signal receiving system
JPS5435601A (en) Fm stereo demodulation system
JPS546707A (en) Transmitting system for multi-frequency signal
JPS53149709A (en) Demodulation system for frequency-divided multiple signal
JPS53138615A (en) Multi-frequency signal receiving system
JPS54507A (en) Receiver for multi-frequency signal
JPS5435611A (en) Signal separation circuit
JPS5224412A (en) Receiver
JPS53107216A (en) Grounding system for signal transmission system
JPS5366308A (en) Tone signal detector using n-path filter
JPS5432903A (en) Stereo receiver
JPS51139202A (en) Transmitting register connection system