CA2132181A1 - Systeme de retransmission d'appels pour combine sonnette-interphone - Google Patents

Systeme de retransmission d'appels pour combine sonnette-interphone

Info

Publication number
CA2132181A1
CA2132181A1 CA 2132181 CA2132181A CA2132181A1 CA 2132181 A1 CA2132181 A1 CA 2132181A1 CA 2132181 CA2132181 CA 2132181 CA 2132181 A CA2132181 A CA 2132181A CA 2132181 A1 CA2132181 A1 CA 2132181A1
Authority
CA
Canada
Prior art keywords
door
remote location
voice channel
speaker
processing unit
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.)
Abandoned
Application number
CA 2132181
Other languages
English (en)
Inventor
John Rounds
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.)
Telestate International LP
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2132181A1 publication Critical patent/CA2132181A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CA 2132181 1993-09-20 1994-09-15 Systeme de retransmission d'appels pour combine sonnette-interphone Abandoned CA2132181A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12434993A 1993-09-20 1993-09-20
US08/124,349 1993-09-20

Publications (1)

Publication Number Publication Date
CA2132181A1 true CA2132181A1 (fr) 1995-03-21

Family

ID=22414345

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2132181 Abandoned CA2132181A1 (fr) 1993-09-20 1994-09-15 Systeme de retransmission d'appels pour combine sonnette-interphone

Country Status (3)

Country Link
AU (1) AU7873394A (fr)
CA (1) CA2132181A1 (fr)
WO (1) WO1995008891A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996031045A1 (fr) * 1995-03-30 1996-10-03 Michael Wolf Interphone de porte

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310105A (en) * 1996-02-08 1997-08-13 Leslie Francis Henr Richardson Security door entry-phone
FR2793581B1 (fr) * 1999-05-11 2002-10-25 France Telecom Dispositif de protection d'un local contre des intrusions
ES1044928Y (es) * 1999-12-24 2000-11-16 Izquierdo Porfirio Aleza Portero automatico con contestador.
FR2826820B1 (fr) * 2001-06-28 2003-09-12 France Telecom Procede de communication entre un visiteur et un residant par l'intermediaire d'un systeme d'interphone, serveur de mise en relation et portier pour mise en oeuvre du procede
AU2002218861A1 (en) * 2002-01-11 2003-07-24 Jachin Hawlicek Device for access control to doors, gates and similar
FR2841722B1 (fr) * 2002-06-26 2005-01-21 France Telecom Dispositif de portier electrique
NL1021198C2 (nl) * 2002-08-01 2004-02-03 Jorik Ir Hamminga Systeem voor toegangsbewaking op afstand en inrichting voor een dergelijk systeem.
SE0401035L (sv) 2004-04-21 2005-10-22 Anders Trell Trust Förfarande och anordning för kommunikation/kontroll vid access
GB0515708D0 (en) * 2005-07-29 2005-09-07 British Telecomm Authentication apparatus
GB2437781A (en) * 2006-04-12 2007-11-07 Ben Cornelius Calling a remote telephone by doorbell activation and controlling entrance to a building from the remote telephone.
BE1017351A3 (nl) * 2006-11-02 2008-06-03 Ojomoh Clifford Verbeterde parlofoon.
GB2482985A (en) * 2010-08-20 2012-02-22 Brandingplus Ltd Door entry phone system
US9761092B2 (en) 2016-02-01 2017-09-12 Sercomm Corporation Doorbell system and doorbell control device
US11973896B2 (en) 2020-10-16 2024-04-30 Lg Electronics Inc. Invisible intercom and access system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113986A (en) * 1977-10-21 1978-09-12 Bell Telephone Laboratories, Incorporated Telephone controlled lock release arrangement
US4436958A (en) * 1982-06-30 1984-03-13 Western Electric Company, Inc. System using the telephone network to control locks at a number of remote locations
SE451422B (sv) * 1985-06-27 1987-10-05 Anders Edvard Trell Forfarande for signalbehandling vid en porttelefonanleggning avsedd att anslutas till ett allment telefonnet
US4764953A (en) * 1987-05-22 1988-08-16 Chern Lih Ju Method and apparatus for remote doorbell answering
CA2000961C (fr) * 1989-10-18 1995-05-23 Anders Edvard Trell Interphone pour entree d'immeubles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996031045A1 (fr) * 1995-03-30 1996-10-03 Michael Wolf Interphone de porte

Also Published As

Publication number Publication date
WO1995008891A1 (fr) 1995-03-30
AU7873394A (en) 1995-04-10

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Legal Events

Date Code Title Description
FZDE Dead