ES548892A0 - Perfeccionamientos en un circuito para generar un criterio de recepcion o no recepcion de senales en un receptor ina- lambrico - Google Patents

Perfeccionamientos en un circuito para generar un criterio de recepcion o no recepcion de senales en un receptor ina- lambrico

Info

Publication number
ES548892A0
ES548892A0 ES548892A ES548892A ES548892A0 ES 548892 A0 ES548892 A0 ES 548892A0 ES 548892 A ES548892 A ES 548892A ES 548892 A ES548892 A ES 548892A ES 548892 A0 ES548892 A0 ES 548892A0
Authority
ES
Spain
Prior art keywords
receiving
time
criteria
generate
reference time
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
ES548892A
Other languages
English (en)
Other versions
ES8704686A1 (es
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.)
Autophon AG
Original Assignee
Autophon AG
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 Autophon AG filed Critical Autophon AG
Publication of ES8704686A1 publication Critical patent/ES8704686A1/es
Publication of ES548892A0 publication Critical patent/ES548892A0/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)

Landscapes

  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Burglar Alarm Systems (AREA)
ES548892A 1984-11-15 1985-11-14 Perfeccionamientos en un circuito para generar un criterio de recepcion o no recepcion de senales en un receptor ina- lambrico Expired ES8704686A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH545984 1984-11-15

Publications (2)

Publication Number Publication Date
ES8704686A1 ES8704686A1 (es) 1987-04-01
ES548892A0 true ES548892A0 (es) 1987-04-01

Family

ID=4293959

Family Applications (1)

Application Number Title Priority Date Filing Date
ES548892A Expired ES8704686A1 (es) 1984-11-15 1985-11-14 Perfeccionamientos en un circuito para generar un criterio de recepcion o no recepcion de senales en un receptor ina- lambrico

Country Status (7)

Country Link
US (1) US4731868A (es)
EP (1) EP0182742B1 (es)
AT (1) ATE45252T1 (es)
DE (1) DE3572099D1 (es)
DK (1) DK525185A (es)
ES (1) ES8704686A1 (es)
FI (1) FI79006C (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016186A (en) * 1988-02-09 1991-05-14 Mitsubishi Jukogyo Kabushiki Kaisha Method of detecting noise disappearance and detecting device therefor
US5046126A (en) * 1988-08-25 1991-09-03 Ericsson Ge Mobile Communications Inc. Fast settling tone/data processing circuit for a radio receiver
US4969852A (en) * 1989-09-13 1990-11-13 Public Service Company Of Colorado Channel discriminator circuit for paging stations
US5199109A (en) * 1989-10-26 1993-03-30 Uniden Multi channel scanning receiver with improved signal strength detecting circuitry
US5073976A (en) * 1989-11-30 1991-12-17 Ford Motor Company Signal-to-noise ratio indicating circuit for fm receivers
US5220687A (en) * 1990-05-30 1993-06-15 Pioneer Electronic Corporation Radio receiver having switch for switching between a wide filter and a narrow filter
US5140702A (en) * 1990-06-05 1992-08-18 Motorola, Inc. Time based signal detector for operating in a presence search mode and absence search mode during peak times and off peak times
US5450622A (en) * 1991-07-23 1995-09-12 Ericsson Inc. Method and apparatus for providing a very fast acting noise squelch control system for an RF radio receiver
DE4321118C2 (de) * 1993-06-25 1996-02-15 Grundig Emv Verfahren zur automatischen und feldstärkeabhängigen Sendersuchlaufsteuerung und danach arbeitender Empfänger
US6259904B1 (en) 1997-10-06 2001-07-10 Motorola, Inc. Fast squelch circuit and method
DE10320460B4 (de) * 2002-05-28 2006-12-14 Tyco Electronics Amp Gmbh Elektrische Steckverbindung
US7120408B2 (en) * 2003-07-31 2006-10-10 Agilent Technologies, Inc. Differential signal squelch detection circuit and method
US10957445B2 (en) 2017-10-05 2021-03-23 Hill-Rom Services, Inc. Caregiver and staff information system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA761696B (en) * 1975-03-20 1977-07-27 Blaupunkt Werke Gmbh Circuit for blanking interference pulses
US4419765A (en) * 1979-10-12 1983-12-06 Keith H. Wycoff Signal absence detector
US4359780A (en) * 1980-08-06 1982-11-16 Motorola, Inc. (Corporate Offices) High speed squelch circuit
US4378605A (en) * 1981-06-29 1983-03-29 Motorola Inc. Apparatus for detection of uniformly distributed noise interference and method therefor
US4498195A (en) * 1982-03-05 1985-02-05 Nippon Telegraph & Telephone Public Corporation Radio interference detection device for use in a multi-channel access angle-modulation radio system

Also Published As

Publication number Publication date
EP0182742B1 (de) 1989-08-02
FI79006C (fi) 1989-10-10
ES8704686A1 (es) 1987-04-01
DK525185D0 (da) 1985-11-14
DE3572099D1 (en) 1989-09-07
DK525185A (da) 1986-05-16
ATE45252T1 (de) 1989-08-15
FI854516A (fi) 1986-05-16
FI854516A0 (fi) 1985-11-15
FI79006B (fi) 1989-06-30
US4731868A (en) 1988-03-15
EP0182742A1 (de) 1986-05-28

Similar Documents

Publication Publication Date Title
ES548892A0 (es) Perfeccionamientos en un circuito para generar un criterio de recepcion o no recepcion de senales en un receptor ina- lambrico
GB2199467B (en) Output power control circuit for a mobile radio apparatus
ES8206935A1 (es) Circuito de control de onda de senal
DE3576267D1 (de) Fernsehsignalempfangsgeraet.
NO913611L (no) Radiosignalmottager.
SE8103440L (sv) Reglersystem for radioavstemningsenhet
TW361015B (en) Radio receiver
ATE177884T1 (de) Zeitbasierter signaldetektor
NL190216C (nl) Televisieontvangerschakeling voor tussenfrequente televisiesignalen, voorzien van een automatisch fijnafstemsysteem.
DE69012446D1 (de) Detektor für Niederfrequenz-Wechselstromsignale für eine Telefonverbindungsleitung.
ES459130A1 (es) Una disposicion de recepcion para un sistema de alta fre- cuencia de deteccion de la intrusion.
DE3279082D1 (en) Noise detecting circuit and television receiver employing the same
JPS5560351A (en) Data collection system
SE8105725L (sv) Automatiskt sokreglersystem for radiomottagare
WO1979000937A1 (en) Intermediate frequency sensing circuit
JPS5683197A (en) Remote controller
IT1209712B (it) Circuito digitale rivelatore perl'eliminazione del rumore di tono
JPS53113426A (en) Dark current compensation system for pick up element
JPS5720047A (en) Am stereophonic receiver
JPS56156091A (en) Remote control method
JPS6455916A (en) Control method for rds receiver
JPS57131116A (en) Receiver
JPS55151862A (en) Automatic gain control circuit for facsimile transmitter
JPS56168451A (en) Receiver of am stereophonic broadcast
JPS56168450A (en) Fault detecting system of fm radio receiver