GB1513756A - Demodulator - Google Patents

Demodulator

Info

Publication number
GB1513756A
GB1513756A GB30216/75A GB3021675A GB1513756A GB 1513756 A GB1513756 A GB 1513756A GB 30216/75 A GB30216/75 A GB 30216/75A GB 3021675 A GB3021675 A GB 3021675A GB 1513756 A GB1513756 A GB 1513756A
Authority
GB
United Kingdom
Prior art keywords
output
circuit
level
monostable
gain
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.)
Expired
Application number
GB30216/75A
Other languages
English (en)
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Publication of GB1513756A publication Critical patent/GB1513756A/en
Expired 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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Manipulation Of Pulses (AREA)
GB30216/75A 1974-07-23 1975-07-18 Demodulator Expired GB1513756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7425486A FR2280243A1 (fr) 1974-07-23 1974-07-23 Demodulateur de frequence pour un systeme de transmission de donnees par deplacement de frequence

Publications (1)

Publication Number Publication Date
GB1513756A true GB1513756A (en) 1978-06-07

Family

ID=9141581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30216/75A Expired GB1513756A (en) 1974-07-23 1975-07-18 Demodulator

Country Status (6)

Country Link
US (1) US3980961A (enExample)
JP (1) JPS5430869B2 (enExample)
FR (1) FR2280243A1 (enExample)
GB (1) GB1513756A (enExample)
IT (1) IT1041315B (enExample)
SE (1) SE399168B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330096A (en) * 1976-08-31 1978-03-20 Toyoda Mach Works Ltd Cam grinder
DE3128992A1 (de) * 1981-07-22 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Duplex-sende-empfangseinrichtung
DE3129002A1 (de) * 1981-07-22 1983-02-03 Siemens AG, 1000 Berlin und 8000 München Duplex-sende-empfangseinrichtung
JPS59207770A (ja) * 1983-05-11 1984-11-24 Yuniden Kk デジタル・コ−ド信号復調回路
JPS6487153A (en) * 1987-09-22 1989-03-31 Toshiba Machine Co Ltd Grinding amount correction system for numerical control machine tool
JPS6487152A (en) * 1987-09-22 1989-03-31 Toshiba Machine Co Ltd Grinding control system for numerical control machine tool
JPS6487151A (en) * 1987-09-22 1989-03-31 Toshiba Machine Co Ltd Grinding amount correction system for numerical control machine tool
JPS6487149A (en) * 1987-09-22 1989-03-31 Toshiba Machine Co Ltd Grinding amount correcting system for numerical control machine tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1187668B (de) * 1962-07-30 1965-02-25 Tesla Np Schaltungsanordnung eines Stromkreises fuer Doppelstrombetrieb, anstelle eines Telegraphenrelais
US3303425A (en) * 1963-04-09 1967-02-07 Atlantic Res Corp Binary detection system
GB1270571A (en) * 1969-07-16 1972-04-12 Digitronics Corp Improvements in or relating to frequency detectors
US3601710A (en) * 1969-08-22 1971-08-24 Bell Telephone Labor Inc Digital detector for binary fsk signaling

Also Published As

Publication number Publication date
DE2530725B2 (de) 1977-03-17
FR2280243B1 (enExample) 1977-10-14
SE7508260L (sv) 1976-01-26
US3980961A (en) 1976-09-14
DE2530725A1 (de) 1976-02-05
JPS5135271A (enExample) 1976-03-25
FR2280243A1 (fr) 1976-02-20
IT1041315B (it) 1980-01-10
SE399168B (sv) 1978-01-30
JPS5430869B2 (enExample) 1979-10-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee