CA2443452C - Systeme de securite a code de brassage - Google Patents

Systeme de securite a code de brassage Download PDF

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Publication number
CA2443452C
CA2443452C CA 2443452 CA2443452A CA2443452C CA 2443452 C CA2443452 C CA 2443452C CA 2443452 CA2443452 CA 2443452 CA 2443452 A CA2443452 A CA 2443452A CA 2443452 C CA2443452 C CA 2443452C
Authority
CA
Canada
Prior art keywords
code
trinary
binary
signal
variable
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.)
Expired - Lifetime
Application number
CA 2443452
Other languages
English (en)
Other versions
CA2443452A1 (fr
Inventor
Bradford L. Farris
James J. Fitzgibbon
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.)
Chamberlain Group Inc
Original Assignee
Chamberlain Group 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.)
Filing date
Publication date
Application filed by Chamberlain Group Inc filed Critical Chamberlain Group Inc
Priority claimed from CA002193846A external-priority patent/CA2193846C/fr
Publication of CA2443452A1 publication Critical patent/CA2443452A1/fr
Application granted granted Critical
Publication of CA2443452C publication Critical patent/CA2443452C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Lock And Its Accessories (AREA)
  • Selective Calling Equipment (AREA)
CA 2443452 1995-05-17 1996-05-16 Systeme de securite a code de brassage Expired - Lifetime CA2443452C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44688695A 1995-05-17 1995-05-17
US446,886 1995-05-17
CA002193846A CA2193846C (fr) 1995-05-17 1996-05-16 Systeme de securite a code de brassage

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002193846A Division CA2193846C (fr) 1995-05-17 1996-05-16 Systeme de securite a code de brassage

Publications (2)

Publication Number Publication Date
CA2443452A1 CA2443452A1 (fr) 1996-11-21
CA2443452C true CA2443452C (fr) 2008-07-29

Family

ID=29550701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2443452 Expired - Lifetime CA2443452C (fr) 1995-05-17 1996-05-16 Systeme de securite a code de brassage

Country Status (1)

Country Link
CA (1) CA2443452C (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US10862924B2 (en) 2005-06-30 2020-12-08 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
USRE48433E1 (en) 2005-01-27 2021-02-09 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US10944559B2 (en) 2005-01-27 2021-03-09 The Chamberlain Group, Inc. Transmission of data including conversion of ternary data to binary data
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11799648B2 (en) 2005-01-27 2023-10-24 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
USRE48433E1 (en) 2005-01-27 2021-02-09 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US10944559B2 (en) 2005-01-27 2021-03-09 The Chamberlain Group, Inc. Transmission of data including conversion of ternary data to binary data
US10862924B2 (en) 2005-06-30 2020-12-08 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US11122430B2 (en) 2017-12-21 2021-09-14 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11778464B2 (en) 2017-12-21 2023-10-03 The Chamberlain Group Llc Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
US11763616B1 (en) 2018-06-27 2023-09-19 The Chamberlain Group Llc Network-based control of movable barrier operators for autonomous vehicles
US12056971B1 (en) 2018-06-27 2024-08-06 The Chamberlain Group Llc. Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US11869289B2 (en) 2018-08-01 2024-01-09 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US11462067B2 (en) 2019-05-16 2022-10-04 The Chamberlain Group Llc In-vehicle transmitter training
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Also Published As

Publication number Publication date
CA2443452A1 (fr) 1996-11-21

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Effective date: 20160516