ES389444A1 - Perfeccionamientos en los detectores de proximidad. - Google Patents

Perfeccionamientos en los detectores de proximidad.

Info

Publication number
ES389444A1
ES389444A1 ES389444A ES389444A ES389444A1 ES 389444 A1 ES389444 A1 ES 389444A1 ES 389444 A ES389444 A ES 389444A ES 389444 A ES389444 A ES 389444A ES 389444 A1 ES389444 A1 ES 389444A1
Authority
ES
Spain
Prior art keywords
current
input circuit
circuit
output circuit
voltage
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
ES389444A
Other languages
English (en)
Spanish (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.)
Pyrotector Inc
Original Assignee
Pyrotector Inc
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 Pyrotector Inc filed Critical Pyrotector Inc
Publication of ES389444A1 publication Critical patent/ES389444A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Traffic Control Systems (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
ES389444A 1970-03-11 1971-03-10 Perfeccionamientos en los detectores de proximidad. Expired ES389444A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1865470A 1970-03-11 1970-03-11

Publications (1)

Publication Number Publication Date
ES389444A1 true ES389444A1 (es) 1974-12-16

Family

ID=21789075

Family Applications (1)

Application Number Title Priority Date Filing Date
ES389444A Expired ES389444A1 (es) 1970-03-11 1971-03-10 Perfeccionamientos en los detectores de proximidad.

Country Status (6)

Country Link
JP (1) JPS5132360B1 (en, 2012)
DE (1) DE2111774B2 (en, 2012)
ES (1) ES389444A1 (en, 2012)
FR (1) FR2084457A5 (en, 2012)
GB (1) GB1322279A (en, 2012)
ZA (1) ZA711381B (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48110734U (en, 2012) * 1972-03-24 1973-12-19
DE3315831A1 (de) * 1983-04-30 1984-10-31 Karl Jürgen 7505 Ettlingen Schwarz Verfahren zur ueberwachung eines abgestellten objektes und schaltungsanordnung hierzu

Also Published As

Publication number Publication date
GB1322279A (en) 1973-07-04
DE2111774A1 (de) 1971-09-30
ZA711381B (en) 1971-12-29
JPS5132360B1 (en, 2012) 1976-09-11
DE2111774B2 (de) 1976-12-23
FR2084457A5 (en, 2012) 1971-12-17
JPS462629A (en, 2012) 1971-10-20

Similar Documents

Publication Publication Date Title
ES300567A1 (es) Circuito eléctrico de control para excitar y desexcitar una carga en respuesta a variaciones de una condición de la misma
CH488333A (de) Anordnung mit rückgekoppelter Stromverstärkerschaltung
GB1278632A (en) Improvements relating to measuring and testing electrical circuits
NL139432B (nl) Schakeling voor het aftasten van de amplitude van een wisselspanning.
NL140687B (nl) Schakeling voor het detecteren en opheffen van storingen in een informatiesignaal.
ES389444A1 (es) Perfeccionamientos en los detectores de proximidad.
ES389117A1 (es) Perfeccionamientos en circuitos generadores de formas de ondas.
ES384203A1 (es) Perfeccionamientos en aparatos electronicos que utilizan uncircuito de reactancia variable.
ES386344A1 (es) Un circuito de deteccion de umbral de tension baja.
ES413099A1 (es) Dispositivo de transmision de senales.
CH509006A (de) Elektrische Schaltungsanordnung zur Auskopplung eines Ausgangssignals und zur Unterdrückung von Spannungsspitzen
CH489139A (de) Elektrische Schaltungsanordnung zum Erzeugen eines von der Grösse einer Eingangswechselspannung abhängigen Ausgangsgleichstromsignals
CH510355A (de) Schaltungsanordnung zur Verstärkung und Gleichrichtung eines Wechselstromsignals
AT297800B (de) Konstantstromverstärker in integrierter Bauweise
ES416643A1 (es) Una disposicion de circuito amplificador.
ES382344A1 (es) Un dispositivo para responder a senales de entrada recu- rrentes.
ES313964A1 (es) Una disposicion de circuito para el control automatico de volumen de amplificadores de baja frecuencia.
ES419101A1 (es) Perfeccionamientos en circuitos electricos de retardo de tiempo prolongado, empleando detector de nivel de alta impe-dancia.
MARTIN An application of computer techniques to the analysis and design of small signal linear circuits(Computer program application to linear circuit design, with respect to signal amplifiers)
ES357908A1 (es) Una disposicion de circuito para la amplificacion de poten-cia.
ES301445A1 (es) Una disposicion de montaje detector-amplificador de baja frecuencia.
SU463873A1 (ru) Устройство дл измерени температуры
ES441228A1 (es) Un circuito de exploracion para sistemas de conmutacion.
ES324532A1 (es) Circuito para la deteccion y la medida de señales.
JPS52149449A (en) Sensing circuit