DE3481455D1 - Betrugschutz fuer eine elektronische muenzfernsprechanlage. - Google Patents

Betrugschutz fuer eine elektronische muenzfernsprechanlage.

Info

Publication number: DE3481455D1
Authority: DE; Germany
Prior art keywords: telephone system; coin operated; electronic coin; fraud protection; operated telephone
Prior art date: 1983-12-30
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 - Fee Related

Application number

DE8484904317T

Other languages

English (en)

Inventor

Edward Crouch

John Nahas

Howard Ng

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.)

AT&T Corp

Original Assignee

American Telephone and Telegraph Co 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.)

1983-12-30

Filing date

1984-11-21

Publication date

1990-04-05

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24265547&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3481455(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1984-11-21 Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc

1990-04-05 Application granted granted Critical

1990-04-05 Publication of DE3481455D1 publication Critical patent/DE3481455D1/de

2004-11-22 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F1/00—Coin inlet arrangements; Coins specially adapted to operate coin-freed mechanisms
- G07F1/04—Coin chutes
- 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

DE8484904317T 1983-12-30 1984-11-21 Betrugschutz fuer eine elektronische muenzfernsprechanlage. Expired - Fee Related DE3481455D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/567,053 US4625078A (en)	1983-12-30	1983-12-30	Fraud prevention in an electronic coin telephone set
PCT/US1984/001923 WO1985003157A1 (en)	1983-12-30	1984-11-21	Fraud prevention in an electronic coin telephone set

Publications (1)

Publication Number	Publication Date
DE3481455D1 true DE3481455D1 (de)	1990-04-05

Family

ID=24265547

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8484904317T Expired - Fee Related DE3481455D1 (de)	1983-12-30	1984-11-21	Betrugschutz fuer eine elektronische muenzfernsprechanlage.

Country Status (6)

Country	Link
US (1)	US4625078A (de)
EP (1)	EP0166745B2 (de)
JP (1)	JPS61500999A (de)
CA (1)	CA1222334A (de)
DE (1)	DE3481455D1 (de)
WO (1)	WO1985003157A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4926468A (en) *	1986-09-29	1990-05-15	Digital Telecommunications Systems, Inc.	Pay station telephone coin box apparatus
US4759054A (en) *	1986-12-22	1988-07-19	Protel, Inc.	Toll telephone system and method for maintaining or initiating loop current after resuming on-hook condition
US4860346A (en) *	1986-12-22	1989-08-22	Protel, Inc.	Telephone system and method operated from central office loop current
FR2614162B1 (fr) *	1987-04-17	1993-12-10	Flonic Sa	Systeme d'authentification analogique reciproque entre un terminal et une ligne de transmission
US4926458A (en) *	1988-05-26	1990-05-15	Mars Incorporated	Low power control apparatus for a coin operated telephone
US4979208A (en) *	1988-06-29	1990-12-18	Mars Incorporated	Method and apparatus for electronic payphone open switch interval management
AU620765B2 (en) *	1988-06-28	1992-02-20	Mars, Incorporated	Method and apparatus for electronic payphone open switch interval management
US4821313A (en) *	1988-07-01	1989-04-11	Palco Telecom Inc.	Paystation transmitter ground detect circuitry
US5007520A (en) *	1989-06-20	1991-04-16	At&T Bell Laboratories	Microprocessor-controlled apparatus adaptable to environmental changes
US5737401A (en) *	1996-06-14	1998-04-07	Quadrum Telecommunications, Inc.	Full coin box signalling device for use with coin telephones
US5896446A (en) *	1996-07-29	1999-04-20	Mars Incorporated	Coin operated telephone auditor
US6301344B1 (en)	1997-11-05	2001-10-09	Protel, Inc.	Intelligent public telephone system and method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3797628A (en) *	1972-03-17	1974-03-19	Little Inc A	Device and method for testing coins employing velocity determining means
JPS5611181Y2 (de) *	1975-12-02	1981-03-13
DE2628682A1 (de) *	1976-06-25	1977-12-29	Nsm Apparatebau Gmbh Kg	Vorrichtung zur verhinderung der betaetigung des muenzkontaktschalters eines automaten mittels einer an einem faden befestigten muenze
US4197425A (en) *	1977-08-10	1980-04-08	The Post Office	Power supply circuit for a subscriber's telephone set
CH627600A5 (de) *	1977-10-06	1982-01-15	Sodeco Compteurs De Geneve	Muenzfernsprecher.
US4323148A (en) *	1979-03-12	1982-04-06	Matsushita Electric Industrial Co., Ltd.	Coin selector for vending machine
US4334604A (en) *	1979-03-15	1982-06-15	Casino Investment Limited	Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like
US4416364A (en) *	1979-12-04	1983-11-22	Coin Controls Limited	Coin validating arrangement
US4333557A (en) *	1980-02-21	1982-06-08	Kozak George M	Solid state slug rejector
ATE22498T1 (de) *	1980-06-20	1986-10-15	Plessey Overseas	Verfahren und einrichtung zum pruefen von muenzen.
US4358640A (en) *	1980-11-25	1982-11-09	Murray Leonard Q	Telephone security device
US4488116A (en) *	1981-09-22	1984-12-11	Mars, Incorporated	Inductive coin sensor for measuring more than one parameter of a moving coin
US4483431A (en) *	1981-10-13	1984-11-20	Harrah's, Inc.	Device for detecting and rejecting invalid coins utilizing a verticle coin chute and multiple coin tests
GB2121579A (en) *	1982-03-31	1983-12-21	Coin Controls	Coin validating
CH654963A5 (de) *	1982-04-02	1986-03-14	Autelca Ag	Selbstkassierendes geraet, insbesondere muenzfernsprecher.
US4469213A (en) *	1982-06-14	1984-09-04	Raymond Nicholson	Coin detector system
GB2133250B (en) *	1982-12-31	1986-01-08	Oki Electric Ind Co Ltd	A telephone-call prohibit circuit

1983
- 1983-12-30 US US06/567,053 patent/US4625078A/en not_active Expired - Lifetime
1984
- 1984-11-21 DE DE8484904317T patent/DE3481455D1/de not_active Expired - Fee Related
- 1984-11-21 JP JP59504243A patent/JPS61500999A/ja active Pending
- 1984-11-21 EP EP84904317A patent/EP0166745B2/de not_active Expired - Lifetime
- 1984-11-21 WO PCT/US1984/001923 patent/WO1985003157A1/en active IP Right Grant
- 1984-11-29 CA CA000468945A patent/CA1222334A/en not_active Expired

Also Published As

Publication number	Publication date
US4625078A (en)	1986-11-25
WO1985003157A1 (en)	1985-07-18
EP0166745B1 (de)	1990-02-28
EP0166745B2 (de)	1993-11-24
EP0166745A1 (de)	1986-01-08
JPS61500999A (ja)	1986-05-15
CA1222334A (en)	1987-05-26

Legal Events

Date	Code	Title	Description
1991-02-21	8363	Opposition against the patent
1994-02-03	8366	Restricted maintained after opposition proceedings
1995-07-20	8328	Change in the person/name/address of the agent	Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN
2003-09-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3485329D1 (de)	1992-01-23	Elektronische registrierkasse.
DE3585439D1 (de)	1992-04-02	Sicherheitsmodul fuer eine elektronische geldueberweisungsvorrichtung.
FR2549982B1 (fr)	1990-06-15	Dispositif electronique compact en forme de carte, tel que calculatrice electronique
NO961707D0 (no)	1996-04-29	Elektronisk billett betalings-system
DE3579814D1 (de)	1990-10-25	Ic-kartensystem.
DE3481739D1 (de)	1990-04-26	Verkaufspunkt- und elektronische geldueberweisungssysteme.
DE69016681T2 (de)	1995-07-06	Elektronische Schaltungsvorrichtung.
DE69204687D1 (de)	1995-10-12	Erdungssystem für IC-Karten.
FR2708860B1 (fr)	1995-10-13	Circuit de protection pour dispositif électronique implantable.
DE3778969D1 (de)	1992-06-17	Gehaeuse fuer elektronische ausruestung.
DE69012400D1 (de)	1994-10-20	Elektronisches Informationsgerät.
DE59103371D1 (de)	1994-12-01	Gehäuse für eine elektronische schaltung.
DE3889747D1 (de)	1994-07-07	Elektronische Registrierkasse.
DE59006234D1 (de)	1994-07-28	Gehäuse für eine elektronische schaltung.
DE69100782T2 (de)	1994-05-26	Elektronische Verbindungsvorrichtung.
DE59006436D1 (de)	1994-08-18	Gehäuse für eine elektronische schaltung.
DE3382744T3 (de)	2002-09-05	Mikroprozessorsysteme für elektronische Frankiereinrichtungen.
DE3481455D1 (de)	1990-04-05	Betrugschutz fuer eine elektronische muenzfernsprechanlage.
DE69110120T2 (de)	1995-10-19	Schutzsystem für eine elektronische Einrichtung.
DE69022976T2 (de)	1996-05-30	Elektronischer Betrugsdetektor.
DE3586756T2 (de)	1993-03-04	Elektronische registrierkasse.
DE3787422D1 (de)	1993-10-21	Elektronische Registrierkasse.
NO164705C (no)	1990-11-14	Flikforsynt nedgravningsanordning.
DE59004346D1 (de)	1994-03-03	Elektronische Waage.
DE3574915D1 (de)	1990-01-25	Elektronische registrierkasse.