FR2389187A1 - Door security entry system - with information pulses transmitted between door and door frame using transmitter and receiver with logic circuits - Google Patents
Door security entry system - with information pulses transmitted between door and door frame using transmitter and receiver with logic circuitsInfo
- Publication number
- FR2389187A1 FR2389187A1 FR7712705A FR7712705A FR2389187A1 FR 2389187 A1 FR2389187 A1 FR 2389187A1 FR 7712705 A FR7712705 A FR 7712705A FR 7712705 A FR7712705 A FR 7712705A FR 2389187 A1 FR2389187 A1 FR 2389187A1
- Authority
- FR
- France
- Prior art keywords
- door
- entry system
- transmitter
- receiver
- logic circuits
- 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
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/22—Electric signal transmission systems in which transmission is by pulses by varying the duration of individual pulses
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00261—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one function
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
The door entry system, for an apartment building etc. has a unit for transmitting information between the frame of the door and the door itself, e.g. to allow a lock to be released. The information is transmitted via a magnetic or opto-electronic circuit as a series of pulses of variable duration according to the type of information. Each received pulse is compared with pulses each having a duration greater than the time constant assigned to the transmitted pulse e.g. double this time constant, so that only pulses corresponding to this time constant are validated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712705A FR2389187A1 (en) | 1977-04-27 | 1977-04-27 | Door security entry system - with information pulses transmitted between door and door frame using transmitter and receiver with logic circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712705A FR2389187A1 (en) | 1977-04-27 | 1977-04-27 | Door security entry system - with information pulses transmitted between door and door frame using transmitter and receiver with logic circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2389187A1 true FR2389187A1 (en) | 1978-11-24 |
FR2389187B3 FR2389187B3 (en) | 1981-01-09 |
Family
ID=9189986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712705A Granted FR2389187A1 (en) | 1977-04-27 | 1977-04-27 | Door security entry system - with information pulses transmitted between door and door frame using transmitter and receiver with logic circuits |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2389187A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2486576A1 (en) * | 1980-07-09 | 1982-01-15 | Sodex Magister | DEVICE FOR CONTROLLING A LOCK |
FR2720095A1 (en) * | 1994-05-20 | 1995-11-24 | Fontaine Sa | Centralised control system for multiple electronically operated locks |
CN111502428A (en) * | 2020-04-21 | 2020-08-07 | 德施曼机电(中国)有限公司 | Intelligent lock based on pluggable key detection module |
-
1977
- 1977-04-27 FR FR7712705A patent/FR2389187A1/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2486576A1 (en) * | 1980-07-09 | 1982-01-15 | Sodex Magister | DEVICE FOR CONTROLLING A LOCK |
FR2720095A1 (en) * | 1994-05-20 | 1995-11-24 | Fontaine Sa | Centralised control system for multiple electronically operated locks |
CN111502428A (en) * | 2020-04-21 | 2020-08-07 | 德施曼机电(中国)有限公司 | Intelligent lock based on pluggable key detection module |
Also Published As
Publication number | Publication date |
---|---|
FR2389187B3 (en) | 1981-01-09 |
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