ATE13474T1 - Alarmschaltung fuer ueberwachungssysteme fuer oeffentliche muenzfernsprecher. - Google Patents

Alarmschaltung fuer ueberwachungssysteme fuer oeffentliche muenzfernsprecher.

Info

Publication number
ATE13474T1
ATE13474T1 AT82400215T AT82400215T ATE13474T1 AT E13474 T1 ATE13474 T1 AT E13474T1 AT 82400215 T AT82400215 T AT 82400215T AT 82400215 T AT82400215 T AT 82400215T AT E13474 T1 ATE13474 T1 AT E13474T1
Authority
AT
Austria
Prior art keywords
osc1
osc2
oscillator
alarm circuit
output
Prior art date
Application number
AT82400215T
Other languages
English (en)
Inventor
Roger Montfort
Original Assignee
Laudren & Co
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 Laudren & Co filed Critical Laudren & Co
Application granted granted Critical
Publication of ATE13474T1 publication Critical patent/ATE13474T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Prepayment Telephone Systems (AREA)
  • Burglar Alarm Systems (AREA)
AT82400215T 1981-02-12 1982-02-08 Alarmschaltung fuer ueberwachungssysteme fuer oeffentliche muenzfernsprecher. ATE13474T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8103234A FR2499737B1 (fr) 1981-02-12 1981-02-12 Circuit d'alarme pour systemes de surveillance de postes telephoniques publics a prepaiement
EP82400215A EP0058600B1 (de) 1981-02-12 1982-02-08 Alarmschaltung für Überwachungssysteme für öffentliche Münzfernsprecher

Publications (1)

Publication Number Publication Date
ATE13474T1 true ATE13474T1 (de) 1985-06-15

Family

ID=9255369

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82400215T ATE13474T1 (de) 1981-02-12 1982-02-08 Alarmschaltung fuer ueberwachungssysteme fuer oeffentliche muenzfernsprecher.

Country Status (4)

Country Link
EP (1) EP0058600B1 (de)
AT (1) ATE13474T1 (de)
DE (1) DE3263590D1 (de)
FR (1) FR2499737B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573599B1 (fr) * 1984-11-22 1987-02-06 Kalfon Rene Systeme de commande et de surveillance d'un appareil telephonique public a prepaiement
FR2593311B1 (fr) * 1986-01-22 1990-09-14 Berruyer Yves Systeme de protection d'un ensemble de sites d'un reseau par anticipation d'une perturbation
EP0268333A3 (de) * 1986-11-19 1989-08-23 Alcatel N.V. Münzgesteuertes System
DE29812192U1 (de) * 1998-07-08 1998-09-17 Siemens AG, 80333 München Aus einem Wertkartenfernsprecher und einem ihm zugeordneten Münzmodul bestehendes Kommunikationsendgerät
SE515800C2 (sv) * 1999-01-20 2001-10-08 Ericsson Telefon Ab L M Anordning och förfarande för att snabbstarta en sinusoscillator
US20140127240A1 (en) 2011-04-21 2014-05-08 Bayer Pharma Aktiengesellschaft Novel Binder-Drug Conjugates (ADCs) and Use of Same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH473433A (de) * 1967-04-04 1969-05-31 Securitas Ag Schweiz Bewachung Tonfrequente Alarmübermittlungsanlage
US3813500A (en) * 1969-04-11 1974-05-28 Superior Continental Corp Alarm system utilizing telephone talking pairs
US3631433A (en) * 1969-09-15 1971-12-28 Fire Protection Co Detection and alarm system
US4039768A (en) * 1976-05-26 1977-08-02 Maley James B O Pay telephone station monitor system
US4206321A (en) * 1976-10-22 1980-06-03 Mcelliott Steve I Pay telephone alarm system with audit means
FR2446519A1 (fr) * 1979-01-11 1980-08-08 Thomson Csf Systeme de signalisation sur ligne de raccordement d'utilisation d'un reseau telephonique et reseau telephonique comportant de tels systemes

Also Published As

Publication number Publication date
EP0058600A1 (de) 1982-08-25
FR2499737B1 (fr) 1985-07-05
FR2499737A1 (fr) 1982-08-13
EP0058600B1 (de) 1985-05-22
DE3263590D1 (en) 1985-06-27

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