NL7801907A - Detektor. - Google Patents

Detektor.

Info

Publication number
NL7801907A
NL7801907A NL7801907A NL7801907A NL7801907A NL 7801907 A NL7801907 A NL 7801907A NL 7801907 A NL7801907 A NL 7801907A NL 7801907 A NL7801907 A NL 7801907A NL 7801907 A NL7801907 A NL 7801907A
Authority
NL
Netherlands
Prior art keywords
detektor
Prior art date
Application number
NL7801907A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7801907A priority Critical patent/NL7801907A/xx
Priority to US06/009,210 priority patent/US4245170A/en
Priority to CA000321700A priority patent/CA1138057A/en
Priority to CH156679A priority patent/CH641607A5/de
Priority to IT20295/79A priority patent/IT1112172B/it
Priority to GB7905533A priority patent/GB2020935B/en
Priority to DE19792906094 priority patent/DE2906094A1/de
Priority to JP1898279A priority patent/JPS54122955A/ja
Priority to FR7904399A priority patent/FR2417890A1/fr
Publication of NL7801907A publication Critical patent/NL7801907A/xx
Priority to HK194/83A priority patent/HK19483A/xx

Links

Classifications

    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • G01R19/1658—AC voltage or recurrent signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Control Of Amplification And Gain Control (AREA)
NL7801907A 1978-02-21 1978-02-21 Detektor. NL7801907A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL7801907A NL7801907A (nl) 1978-02-21 1978-02-21 Detektor.
US06/009,210 US4245170A (en) 1978-02-21 1979-02-05 Detector
CA000321700A CA1138057A (en) 1978-02-21 1979-02-15 Signal level detector
CH156679A CH641607A5 (de) 1978-02-21 1979-02-16 Detektor zum detektieren eines signalspannungspegels.
IT20295/79A IT1112172B (it) 1978-02-21 1979-02-16 Rivelatore
GB7905533A GB2020935B (en) 1978-02-21 1979-02-16 Signal level detector and comparator circuit
DE19792906094 DE2906094A1 (de) 1978-02-21 1979-02-17 Detektor
JP1898279A JPS54122955A (en) 1978-02-21 1979-02-20 Detector
FR7904399A FR2417890A1 (fr) 1978-02-21 1979-02-21 Detecteur de niveau de signal
HK194/83A HK19483A (en) 1978-02-21 1983-06-08 Signal level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7801907A NL7801907A (nl) 1978-02-21 1978-02-21 Detektor.

Publications (1)

Publication Number Publication Date
NL7801907A true NL7801907A (nl) 1979-08-23

Family

ID=19830366

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7801907A NL7801907A (nl) 1978-02-21 1978-02-21 Detektor.

Country Status (10)

Country Link
US (1) US4245170A (de)
JP (1) JPS54122955A (de)
CA (1) CA1138057A (de)
CH (1) CH641607A5 (de)
DE (1) DE2906094A1 (de)
FR (1) FR2417890A1 (de)
GB (1) GB2020935B (de)
HK (1) HK19483A (de)
IT (1) IT1112172B (de)
NL (1) NL7801907A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909520C3 (de) * 1979-03-10 1981-12-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Dämpfung von Störgeräuschen
IT1227494B (it) * 1988-11-24 1991-04-12 Sgs Thomson Microelectronics Rivelatore di livello di tipo bipolare integrabile per segnali sinusoidali ad alta frequenza
DE4411805B4 (de) * 1994-04-06 2008-08-28 Michael Riedel Transformatorenbau Elektronik Gmbh Stromsteller
US5517134A (en) * 1994-09-16 1996-05-14 Texas Instruments Incorporated Offset comparator with common mode voltage stability
DE19606792A1 (de) * 1996-02-23 1997-08-28 Abb Daimler Benz Transp Schienenfahrzeug mit Wagenkasten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA923573A (en) * 1971-03-11 1973-03-27 Northern Electric Company Automatic gain control circuit
US3719895A (en) * 1971-03-11 1973-03-06 Northern Electric Co Automatic gain control circuit
US3989959A (en) * 1975-08-28 1976-11-02 Vitatron Medical B.V. Low current drain amplifier incorporating feedback means for establishing sensitivity
US4143331A (en) * 1977-12-16 1979-03-06 National Semiconductor Corporation Summing amplifier for developing a squelch and meter voltage in a radio receiver

Also Published As

Publication number Publication date
IT1112172B (it) 1986-01-13
US4245170A (en) 1981-01-13
GB2020935B (en) 1982-03-31
GB2020935A (en) 1979-11-21
CA1138057A (en) 1982-12-21
CH641607A5 (de) 1984-02-29
IT7920295A0 (it) 1979-02-16
FR2417890A1 (fr) 1979-09-14
HK19483A (en) 1983-06-17
DE2906094A1 (de) 1979-10-04
JPS54122955A (en) 1979-09-22

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed