FR2088881A5 - - Google Patents
Info
- Publication number
- FR2088881A5 FR2088881A5 FR7015512A FR7015512A FR2088881A5 FR 2088881 A5 FR2088881 A5 FR 2088881A5 FR 7015512 A FR7015512 A FR 7015512A FR 7015512 A FR7015512 A FR 7015512A FR 2088881 A5 FR2088881 A5 FR 2088881A5
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7015512A FR2088881A5 (fr) | 1970-04-28 | 1970-04-28 | |
US66536A US3686439A (en) | 1970-04-28 | 1970-08-24 | Telephone-line installation for keeping a remote watch on premises |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7015512A FR2088881A5 (fr) | 1970-04-28 | 1970-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2088881A5 true FR2088881A5 (fr) | 1972-01-07 |
Family
ID=9054758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7015512A Expired FR2088881A5 (fr) | 1970-04-28 | 1970-04-28 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3686439A (fr) |
FR (1) | FR2088881A5 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE362974B (fr) * | 1973-03-12 | 1973-12-27 | Securitas Ab Bevaknings | |
US3938144A (en) * | 1973-11-28 | 1976-02-10 | Johnson Service Company | Digital multiplexing system remote scanning of a plurality of monitoring points |
US4290056A (en) * | 1979-07-05 | 1981-09-15 | Ellsworth, Chow & Murphy, Inc. | Protective system |
BR8505861A (pt) * | 1984-03-16 | 1986-03-25 | Rolland T James | Sistema de interacao de assinantes remoto |
US4868859A (en) * | 1987-06-12 | 1989-09-19 | Bt Telecom, Inc. | Supervised, interactive alarm reporting system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492426A (en) * | 1965-03-18 | 1970-01-27 | Davis Sidney Foreman | Telephone alarm system where a central station alerts a preselected agency in response to a received pulse coded frequency signal identifying a particular alarm condition at a particular subscriber station |
US3426348A (en) * | 1965-09-28 | 1969-02-04 | Chubb Mosler & Taylor Safes Lt | Electrical protection system |
NL6617451A (fr) * | 1966-12-12 | 1968-06-13 | ||
US3582555A (en) * | 1968-03-27 | 1971-06-01 | Dasa Corp | Telephone alarm system |
US3613092A (en) * | 1969-04-23 | 1971-10-12 | Robertshaw Controls Co | Sequence counting encoder monitor |
-
1970
- 1970-04-28 FR FR7015512A patent/FR2088881A5/fr not_active Expired
- 1970-08-24 US US66536A patent/US3686439A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3686439A (en) | 1972-08-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
ST | Notification of lapse |