GB1436235A - Fm signal demodulation apparatus - Google Patents

Fm signal demodulation apparatus

Info

Publication number
GB1436235A
GB1436235A GB3456173A GB3456173A GB1436235A GB 1436235 A GB1436235 A GB 1436235A GB 3456173 A GB3456173 A GB 3456173A GB 3456173 A GB3456173 A GB 3456173A GB 1436235 A GB1436235 A GB 1436235A
Authority
GB
United Kingdom
Prior art keywords
gate
output
frequency
july
signal
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
GB3456173A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1436235A publication Critical patent/GB1436235A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
GB3456173A 1972-07-19 1973-07-19 Fm signal demodulation apparatus Expired GB1436235A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7278572A JPS5215430B2 (enrdf_load_stackoverflow) 1972-07-19 1972-07-19
JP7616072A JPS5215431B2 (enrdf_load_stackoverflow) 1972-07-19 1972-07-28

Publications (1)

Publication Number Publication Date
GB1436235A true GB1436235A (en) 1976-05-19

Family

ID=26413920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3456173A Expired GB1436235A (en) 1972-07-19 1973-07-19 Fm signal demodulation apparatus

Country Status (4)

Country Link
JP (2) JPS5215430B2 (enrdf_load_stackoverflow)
CA (1) CA983588A (enrdf_load_stackoverflow)
FR (2) FR41119E (enrdf_load_stackoverflow)
GB (1) GB1436235A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62145871U (enrdf_load_stackoverflow) * 1986-03-10 1987-09-14
JPS62151173U (enrdf_load_stackoverflow) * 1986-03-19 1987-09-25
JPH0521629Y2 (enrdf_load_stackoverflow) * 1986-12-01 1993-06-03
WO2000046862A1 (en) 1999-02-05 2000-08-10 Japan Energy Corporation Photoelectric conversion functional element and production method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798559A (en) * 1971-04-20 1974-03-19 Matsushita Electric Industrial Co Ltd Noise reduction system

Also Published As

Publication number Publication date
JPS4929965A (enrdf_load_stackoverflow) 1974-03-16
FR2193288A1 (enrdf_load_stackoverflow) 1974-02-15
JPS5215431B2 (enrdf_load_stackoverflow) 1977-04-28
JPS5215430B2 (enrdf_load_stackoverflow) 1977-04-28
DE2337149B2 (de) 1976-05-26
FR41119E (fr) 1932-12-01
FR2193288B1 (enrdf_load_stackoverflow) 1976-11-12
JPS4934267A (enrdf_load_stackoverflow) 1974-03-29
CA983588A (en) 1976-02-10
DE2337149A1 (de) 1974-02-07

Similar Documents

Publication Publication Date Title
GB651088A (en) Electric pulse communication system
SE7901479L (sv) Bruselimineringskrets
KR850008258A (ko) Fsk데이타 수신기
GB1412466A (en) Circuit for discriminating between useful and spurious signals
GB596078A (en) Improvements in or relating to arrangements for demodulating time modulated electricpulses
GB979865A (en) Improvements in or relating to pulse-counting detector circuits
GB1348724A (en) Control unit for controlling a recorder in a telephone answering and message recording system
GB1436235A (en) Fm signal demodulation apparatus
GB1241924A (en) Electro-medical apparatus
ES339686A1 (es) Un procedimiento para determinar la correlacion entre dos magnitudes aleatorias disponibles en forma analogica.
GB1390243A (en) Pulse detection apparatus
GB1506687A (en) Undesired signal canceller
ES434260A1 (es) Mejoras introducidas en circuitos silenciadores destinados para ser utilizados en receptores decomunicacion.
GB1312935A (en) Suppressing interference in receivers of electrical signals
GB1536095A (en) Noise reduction circuit for fm demodulators
ES403483A1 (es) Un dispositivo analizador de ondas, numericamente controla-do.
GB1091272A (en) Improvements in sound reproduction in television reception
ES417982A1 (es) Perfeccionamientos en la construccion de aparatos para des-modular senales moduladas en frecuencia.
US3835405A (en) Fm demodulation system
NL133956C (enrdf_load_stackoverflow)
GB1334059A (en) Electronic processing apparatus
SU542329A1 (ru) Устройство дл временной автоматической регулировки усилинени
FR2317831A1 (fr) Detecteur de courant d'appel telephonique
FR93357E (fr) Systeme de transmission de signaux.
JPS56122533A (en) Frequency modulation receiver

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930718