JPS57204664A - Digital signal receiver - Google Patents

Digital signal receiver

Info

Publication number
JPS57204664A
JPS57204664A JP56089694A JP8969481A JPS57204664A JP S57204664 A JPS57204664 A JP S57204664A JP 56089694 A JP56089694 A JP 56089694A JP 8969481 A JP8969481 A JP 8969481A JP S57204664 A JPS57204664 A JP S57204664A
Authority
JP
Japan
Prior art keywords
output
inputted
detected
checkings
absolute value
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
JP56089694A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6328383B2 (enrdf_load_stackoverflow
Inventor
Ryujiro Muramatsu
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 JP56089694A priority Critical patent/JPS57204664A/ja
Publication of JPS57204664A publication Critical patent/JPS57204664A/ja
Publication of JPS6328383B2 publication Critical patent/JPS6328383B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP56089694A 1981-06-12 1981-06-12 Digital signal receiver Granted JPS57204664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56089694A JPS57204664A (en) 1981-06-12 1981-06-12 Digital signal receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56089694A JPS57204664A (en) 1981-06-12 1981-06-12 Digital signal receiver

Publications (2)

Publication Number Publication Date
JPS57204664A true JPS57204664A (en) 1982-12-15
JPS6328383B2 JPS6328383B2 (enrdf_load_stackoverflow) 1988-06-08

Family

ID=13977869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56089694A Granted JPS57204664A (en) 1981-06-12 1981-06-12 Digital signal receiver

Country Status (1)

Country Link
JP (1) JPS57204664A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6328383B2 (enrdf_load_stackoverflow) 1988-06-08

Similar Documents

Publication Publication Date Title
CA2027766A1 (en) Multi-frequency signal receiver and a method of detecting the multi-frequency signal
GB1477667A (en) Circuit arrangement for producing a pulse sequence corresponding to the foetal cardiac pulses
JPS57204664A (en) Digital signal receiver
JPS57178482A (en) Right-angled demodulation type sound detecting circuit
JPS5560328A (en) Tuning-point detection circuit of am radio receiver
SE8008576L (sv) Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem
JPS57171870A (en) Signal deciding circuit for digital multifrequency signal receiver
SU1309331A1 (ru) Приемник многочастотных сигналов
JPS5593369A (en) Detector for control signal
JPS5474617A (en) Receiver
JPS5721128A (en) Switching circuit
SU1614130A2 (ru) Устройство дл приема многочастотных сигналов
JPS5630336A (en) Multipath detecting method
GB1532103A (en) Method and apparatus for translating multiple frequency signalling
SU1202016A1 (ru) Частотный детектор
JPS57198511A (en) Detecting method for dropout
SU1113875A1 (ru) Адаптивный частотный детектор
JPS55114031A (en) Detector for pulse absence
JPS5772430A (en) Phase synchronizng detecting circuit
JPS575471A (en) Synchronism separator
GB1246782A (en) An electric circuit for detecting an audio frequency signal
JPS56168451A (en) Receiver of am stereophonic broadcast
JPS5789366A (en) Multifrequency signal detection system
JPS6423180A (en) Preprocessor for analyzing various elements of radio wave
GB1501706A (en) Multi-frequency signal receivers