CA1024279A - Electronic time-division-multiplexed pabx telephone system - Google Patents

Electronic time-division-multiplexed pabx telephone system

Info

Publication number
CA1024279A
CA1024279A CA180,009A CA180009A CA1024279A CA 1024279 A CA1024279 A CA 1024279A CA 180009 A CA180009 A CA 180009A CA 1024279 A CA1024279 A CA 1024279A
Authority
CA
Canada
Prior art keywords
multiplexed
division
telephone system
electronic time
pabx telephone
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
Application number
CA180,009A
Other languages
English (en)
French (fr)
Other versions
CA180009S (en
Inventor
Alan Bloch
Charles B. Falconer
David L. Joslow
Harold M. Straube
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.)
CHESTEL
Original Assignee
CHESTEL
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 CHESTEL filed Critical CHESTEL
Application granted granted Critical
Publication of CA1024279A publication Critical patent/CA1024279A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems
CA180,009A 1972-10-10 1973-08-30 Electronic time-division-multiplexed pabx telephone system Expired CA1024279A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29632272A 1972-10-10 1972-10-10
US05/435,318 US3937892A (en) 1972-10-10 1974-01-21 Electronic time-division-multiplexed pabx telephone system

Publications (1)

Publication Number Publication Date
CA1024279A true CA1024279A (en) 1978-01-10

Family

ID=26969590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,009A Expired CA1024279A (en) 1972-10-10 1973-08-30 Electronic time-division-multiplexed pabx telephone system

Country Status (6)

Country Link
US (1) US3937892A (de)
JP (1) JPS4974410A (de)
CA (1) CA1024279A (de)
DE (1) DE2351104C3 (de)
FR (1) FR2202419B1 (de)
GB (1) GB1449063A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538996A (en) * 1976-03-10 1979-01-24 Chestel Inc Communication switching system
GB1575002A (en) * 1976-03-11 1980-09-17 Post Office Data transmission system
JPS52132717A (en) * 1976-04-30 1977-11-07 Terasaki Denki Sangyo Kk Time division multiplex transmission system
US4140877A (en) * 1977-04-19 1979-02-20 Tie/Communications, Inc. Muliple highway time division multiplexed PABX communication system
DE2837214A1 (de) * 1978-08-25 1980-03-06 Siemens Ag Anordnung zum uebertragen von digitalen datensignalen
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
GB2147770B (en) * 1983-10-08 1987-01-14 Standard Telephones Cables Ltd Data transmission system
US4975903A (en) * 1984-05-07 1990-12-04 David Systems, Inc. Digital timeslot and signaling bus in a digital PBX switch
US4595596A (en) * 1984-05-18 1986-06-17 Nabisco Brands, Inc. Crackers having stabilized sunflower seeds
HU193088B (en) * 1985-03-21 1987-08-28 Bhg Hiradastech Vallalat Equipment for time shared digital interconnecting sources of information, in particular to the central exchanges
DE3603013A1 (de) * 1986-01-31 1987-08-06 Nixdorf Computer Ag Verfahren zur integration eines oder mehrerer zusatzfunktionsmodule in fernmeldeanlagen sowie zugriffsschaltung zur durchfuehrung des verfahrens
US6295449B1 (en) 1992-01-27 2001-09-25 @Track Communications, Inc. Data messaging in a communications network using a feature request
US5539810A (en) * 1992-01-27 1996-07-23 Highwaymaster Communications, Inc. Data messaging in a communications network
US5889474A (en) * 1992-05-18 1999-03-30 Aeris Communications, Inc. Method and apparatus for transmitting subject status information over a wireless communications network
US6144859A (en) * 1993-08-27 2000-11-07 Aeris Communications, Inc. Wireless cellular communicator system and apparatus
US5521965A (en) * 1992-08-14 1996-05-28 Bell Atlantic Network Services, Inc. Apparatus and method for handling busy calls in telephone network
US5594740A (en) * 1993-08-27 1997-01-14 Axion Logistics Corporation Wireless communications application specific enabling method and apparatus
US5812551A (en) * 1995-07-17 1998-09-22 Fujitsu Limited ATM exchange with band camp-on registration function
US5999808A (en) * 1995-12-12 1999-12-07 Aeris Communications, Inc. Wireless gaming method
US5845203A (en) * 1996-01-25 1998-12-01 Aertis Cormmunications Remote access application messaging wireless method
US7523082B2 (en) * 2006-05-08 2009-04-21 Aspect Software Inc Escalating online expert help
JP5367458B2 (ja) * 2009-05-28 2013-12-11 アズビル株式会社 モジュール間信号伝達方式

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457373A (en) * 1965-09-22 1969-07-22 Posterijen Telegrafie En Telef Automatic channel switching device for multi-channel binary code telecommunication system
GB1187488A (en) * 1967-10-25 1970-04-08 Int Standard Electric Corp Telecommunication System
GB1187490A (en) * 1968-06-21 1970-04-08 Standard Telephones Cables Ltd Subscriber Subset for PCM Telephone System
DE1806251A1 (de) * 1968-10-09 1970-07-02 Telefunken Patent Verfahren zur UEbertragung voneinander getrennter Informationen
US3564145A (en) * 1969-04-30 1971-02-16 Ibm Serial loop data transmission system fault locator
US3646273A (en) * 1969-09-29 1972-02-29 Adaptive Tech Multiplex communication system and method for modifying system behavior
US3789148A (en) * 1970-02-18 1974-01-29 Nissan Motor Multiplex transmission method
US3731002A (en) * 1970-10-08 1973-05-01 Bell Telephone Labor Inc Interconnected loop data block transmission system
US3732374A (en) * 1970-12-31 1973-05-08 Ibm Communication system and method
US3718768A (en) * 1971-08-09 1973-02-27 Adaptive Tech Voice or analog communication system employing adaptive encoding techniques
US3781478A (en) * 1972-07-07 1973-12-25 Bell Telephone Labor Inc Multiplex communication system

Also Published As

Publication number Publication date
FR2202419A1 (de) 1974-05-03
GB1449063A (en) 1976-09-08
US3937892A (en) 1976-02-10
DE2351104C3 (de) 1981-10-01
DE2351104A1 (de) 1974-04-25
DE2351104B2 (de) 1980-10-16
FR2202419B1 (de) 1982-09-17
JPS4974410A (de) 1974-07-18

Similar Documents

Publication Publication Date Title
CA977479A (en) Telephone dialling arrangement
CA1024279A (en) Electronic time-division-multiplexed pabx telephone system
CA968479A (en) Telephone answering system
CA988229A (en) Combination telephone and video communication system
CA978480A (en) Loudspeaking telephone station circuit
CA973984A (en) Telephone looptest system
CA982715A (en) Telephone subset circuit
ZA717068B (en) Telephone dialling system
CA964780A (en) Calling system utilizing a telephone
CA1036277A (en) Telephone systems
CA936981A (en) Telephone answering system
CA966944A (en) Key telephone call distributing system
CA944495A (en) Remote dialing telephone apparatus
CA984983A (en) Telephone answering system
CA924425A (en) Hold circuit for multi-line key telephone system
CA998150A (en) Telephone switching system
CA971292A (en) Tone keying circuit for telephone inband signaling system
CA978289A (en) Call denial circuit
CA988635A (en) Calling party control circuit
CA990875A (en) Calling party control circuit
AU5156373A (en) Telephone system
CA947446A (en) Electronic key telephone system
AU5933173A (en) Telephone systems
CA983184A (en) Key telephone system
CA938040A (en) Telephone subscriber line circuit