ES2078850A2 - Security (safety) device for public telephone lock - Google Patents
Security (safety) device for public telephone lockInfo
- 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
Links
Landscapes
- Prepayment Telephone Systems (AREA)
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.
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)
| 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 |
-
1993
- 1993-07-30 ES ES9301725A patent/ES2078850B1/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
|---|---|
| ES2078850B1 (en) | 1997-10-16 |
| ES2078850R (en) | 1997-03-01 |
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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 |