ES2078850A2 - Security (safety) device for public telephone lock - Google Patents

Security (safety) device for public telephone lock

Info

Publication number
ES2078850A2
ES2078850A2 ES09301725A ES9301725A ES2078850A2 ES 2078850 A2 ES2078850 A2 ES 2078850A2 ES 09301725 A ES09301725 A ES 09301725A ES 9301725 A ES9301725 A ES 9301725A ES 2078850 A2 ES2078850 A2 ES 2078850A2
Authority
ES
Spain
Prior art keywords
circuit
public telephone
security
safety
electromagnet
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.)
Granted
Application number
ES09301725A
Other languages
Spanish (es)
Other versions
ES2078850R (en
ES2078850B1 (en
Inventor
Fernandez Ricardo Garcia
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.)
Telefonica SA
Original Assignee
Telefonica de Espana SA
Telefonica Nacional de Espana SA
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 Telefonica de Espana SA, Telefonica Nacional de Espana SA filed Critical Telefonica de Espana SA
Priority to ES9301725A priority Critical patent/ES2078850B1/en
Publication of ES2078850A2 publication Critical patent/ES2078850A2/en
Publication of ES2078850R publication Critical patent/ES2078850R/es
Application granted granted Critical
Publication of ES2078850B1 publication Critical patent/ES2078850B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The security device consists of a security circuit which validates the introduction of a key via the public telephone keypad, giving rise, in a positive case, to the activation of an electromagnet which activates access to the coin compartment of the public telephone, maintaining it in said status until it is deactivated by means of replacement of the handset, having a reset circuit 1, a pulse forming circuit 2, a trigger and maintenance circuit 4, an electromagnet supply circuit 5 and a control circuit 7 equipped with a microcontroller.
ES9301725A 1993-07-30 1993-07-30 SECURITY DEVICE FOR LOCKING PUBLIC TELEPHONES Expired - Fee Related ES2078850B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9301725A ES2078850B1 (en) 1993-07-30 1993-07-30 SECURITY DEVICE FOR LOCKING PUBLIC TELEPHONES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9301725A ES2078850B1 (en) 1993-07-30 1993-07-30 SECURITY DEVICE FOR LOCKING PUBLIC TELEPHONES

Publications (3)

Publication Number Publication Date
ES2078850A2 true ES2078850A2 (en) 1995-12-16
ES2078850R ES2078850R (en) 1997-03-01
ES2078850B1 ES2078850B1 (en) 1997-10-16

Family

ID=8282745

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9301725A Expired - Fee Related ES2078850B1 (en) 1993-07-30 1993-07-30 SECURITY DEVICE FOR LOCKING PUBLIC TELEPHONES

Country Status (1)

Country Link
ES (1) ES2078850B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369442A (en) * 1977-09-06 1983-01-18 Robert L. Werth Code controlled microcontroller readout from coin operated machine
ES2003229A6 (en) * 1987-02-23 1988-10-16 Prat Goma Juan Jose Control device for alarms and similar security locks (Machine-translation by Google Translate, not legally binding)
WO1991018169A1 (en) * 1990-05-11 1991-11-28 Medeco Security Locks, Inc. Electronic security system
ES2025515A6 (en) * 1991-03-07 1992-03-16 Cabitel Security system for opening the premises of the public telephone enclosure by infrared

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369442A (en) * 1977-09-06 1983-01-18 Robert L. Werth Code controlled microcontroller readout from coin operated machine
ES2003229A6 (en) * 1987-02-23 1988-10-16 Prat Goma Juan Jose Control device for alarms and similar security locks (Machine-translation by Google Translate, not legally binding)
WO1991018169A1 (en) * 1990-05-11 1991-11-28 Medeco Security Locks, Inc. Electronic security system
ES2025515A6 (en) * 1991-03-07 1992-03-16 Cabitel Security system for opening the premises of the public telephone enclosure by infrared

Also Published As

Publication number Publication date
ES2078850R (en) 1997-03-01
ES2078850B1 (en) 1997-10-16

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Legal Events

Date Code Title Description
EC2A Search report published

Date of ref document: 19951216

Kind code of ref document: R

Effective date: 19951216

PC2A Transfer of patent
FD2A Announcement of lapse in spain

Effective date: 20180806