JPS5220815B1 - - Google Patents

Info

Publication number
JPS5220815B1
JPS5220815B1 JP45077487A JP7748770A JPS5220815B1 JP S5220815 B1 JPS5220815 B1 JP S5220815B1 JP 45077487 A JP45077487 A JP 45077487A JP 7748770 A JP7748770 A JP 7748770A JP S5220815 B1 JPS5220815 B1 JP S5220815B1
Authority
JP
Japan
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.)
Pending
Application number
JP45077487A
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 filed Critical
Publication of JPS5220815B1 publication Critical patent/JPS5220815B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/245—Amplitude control for seismic recording
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
JP45077487A 1969-09-04 1970-09-04 Pending JPS5220815B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85517269A 1969-09-04 1969-09-04

Publications (1)

Publication Number Publication Date
JPS5220815B1 true JPS5220815B1 (ja) 1977-06-06

Family

ID=25320522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45077487A Pending JPS5220815B1 (ja) 1969-09-04 1970-09-04

Country Status (8)

Country Link
US (1) US3688250A (ja)
JP (1) JPS5220815B1 (ja)
CA (1) CA919299A (ja)
CH (1) CH531727A (ja)
DE (1) DE2043538A1 (ja)
FR (1) FR2059426A5 (ja)
GB (1) GB1284160A (ja)
NL (1) NL7013038A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919657A (en) * 1973-11-12 1975-11-11 Texaco Inc Wide dynamic range amplifier system with slew rate control
FR2272442B1 (ja) * 1974-05-21 1977-03-11 Aquitaine Petrole
US4031504A (en) * 1976-03-08 1977-06-21 Western Geophysical Company Of America Gain ranging amplifier system
US4064480A (en) * 1975-11-10 1977-12-20 Texaco Inc. Means and method for recording seismic signals
US4158819A (en) * 1976-12-10 1979-06-19 Geosource Inc. Instantaneous floating point amplifier
US4357577A (en) * 1976-12-10 1982-11-02 Geosource Inc. Instantaneous floating point amplifier
GB8322440D0 (en) * 1983-08-19 1983-09-21 Gen Electric Co Plc Frequency division multiplex transmission equipment
WO2007127948A2 (en) 2006-04-27 2007-11-08 Sirit Technologies Inc. Adjusting parameters associated with leakage signals
US8248212B2 (en) 2007-05-24 2012-08-21 Sirit Inc. Pipelining processes in a RF reader
US8427316B2 (en) 2008-03-20 2013-04-23 3M Innovative Properties Company Detecting tampered with radio frequency identification tags
US8446256B2 (en) 2008-05-19 2013-05-21 Sirit Technologies Inc. Multiplexing radio frequency signals
US8169312B2 (en) 2009-01-09 2012-05-01 Sirit Inc. Determining speeds of radio frequency tags
US8416079B2 (en) 2009-06-02 2013-04-09 3M Innovative Properties Company Switching radio frequency identification (RFID) tags
DE102011120920A1 (de) 2011-12-09 2013-06-13 Benjamin Bochmann Verarbeitungseinrichtung für Messdaten geophysikalischer Untersuchungsmethoden, Verfahren zur Verarbeitung von Messdaten geophysikalicher Untersuchungsmethoden und geophysikalisches Erkundungssystem
US10062025B2 (en) 2012-03-09 2018-08-28 Neology, Inc. Switchable RFID tag
IT201600104760A1 (it) * 2016-10-18 2018-04-18 Menarini Silicon Biosystems Spa Circuito elettronico di pilotaggio per il pilotaggio di elettrodi di un dispositivo microfluidico di manipolazione di particelle, e relativo apparecchio di analisi

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252105A (en) * 1962-06-07 1966-05-17 Honeywell Inc Rate limiting apparatus including active elements
US3241100A (en) * 1965-03-08 1966-03-15 Texaco Inc Digital seismic recording system
US3264574A (en) * 1965-03-09 1966-08-02 Texaco Inc Amplifier system
US3426285A (en) * 1965-09-07 1969-02-04 Us Navy Amplifier testing apparatus
US3470457A (en) * 1967-04-28 1969-09-30 Texaco Inc Voltage regulator employing cascaded operational amplifiers

Also Published As

Publication number Publication date
DE2043538C3 (ja) 1974-05-02
CH531727A (de) 1972-12-15
US3688250A (en) 1972-08-29
DE2043538A1 (de) 1971-03-11
FR2059426A5 (ja) 1971-05-28
NL7013038A (ja) 1971-03-08
DE2043538B2 (ja) 1973-10-11
CA919299A (en) 1973-01-16
GB1284160A (en) 1972-08-02

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