AU1889683A – Electronic locating system for persons receiving telephone calls
– Google Patents
AU1889683A – Electronic locating system for persons receiving telephone calls
– Google Patents
Electronic locating system for persons receiving telephone calls
Info
Publication number
AU1889683A
AU1889683A
AU18896/83A
AU1889683A
AU1889683A
AU 1889683 A
AU1889683 A
AU 1889683A
AU 18896/83 A
AU18896/83 A
AU 18896/83A
AU 1889683 A
AU1889683 A
AU 1889683A
AU 1889683 A
AU1889683 A
AU 1889683A
Authority
AU
Australia
Prior art keywords
telephone calls
locating system
receiving telephone
persons receiving
electronic locating
Prior art date
1982-08-13
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
Application number
AU18896/83A
Other versions
AU560599B2
(en
Inventor
Ramon H. Aires
Charles Albert Clark Jr.
Kenneth R. Hackett
Roy A. Ito
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.)
TELOC R AND D Ltd
Original Assignee
TELOC R AND D Ltd
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.)
1982-08-13
Filing date
1983-08-08
Publication date
1984-03-07
1983-08-08
Application filed by TELOC R AND D Ltd
filed
Critical
TELOC R AND D Ltd
1984-03-07
Publication of AU1889683A
publication
Critical
patent/AU1889683A/en
1987-04-09
Application granted
granted
Critical
1987-04-09
Publication of AU560599B2
publication
Critical
patent/AU560599B2/en
2003-08-08
Anticipated expiration
legal-status
Critical
Status
Expired – Fee Related
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04W—WIRELESS COMMUNICATION NETWORKS
H04W84/00—Network topologies
H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
H04W84/022—One-way selective calling networks, e.g. wide area paging
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
G07C9/20—Individual registration on entry or exit involving the use of a pass
G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
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
H04M11/022—Paging systems
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S379/00—Telephonic communications
Y10S379/913—Person locator or person-specific
AU18896/83A
1982-08-13
1983-08-08
Electronic locating system for persons receiving telephone calls
Expired – Fee Related
AU560599B2
(en)
Applications Claiming Priority (4)
Application Number
Priority Date
Filing Date
Title
US40788382A
1982-08-13
1982-08-13
US407883
1982-08-13
US06/517,321
US4649385A
(en)
1982-08-13
1983-07-26
Electronic locating system for persons receiving telephone calls
US517321
1983-07-26
Publications (2)
Publication Number
Publication Date
AU1889683A
true
AU1889683A
(en)
1984-03-07
AU560599B2
AU560599B2
(en)
1987-04-09
Family
ID=27020057
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU18896/83A
Expired – Fee Related
AU560599B2
(en)
1982-08-13
1983-08-08
Electronic locating system for persons receiving telephone calls
Country Status (8)
Country
Link
US
(1)
US4649385A
(en)
EP
(1)
EP0118507A4
(en)
JP
(1)
JPS59501847A
(en)
AU
(1)
AU560599B2
(en)
CA
(1)
CA1206565A
(en)
ES
(1)
ES8501904A1
(en)
IT
(1)
IT1169758B
(en)
WO
(1)
WO1984000868A1
(en)
Families Citing this family (118)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US6545589B1
(en)
1984-09-14
2003-04-08
Aspect Communications Corporation
Method and apparatus for managing telecommunications
US5588037A
(en)
*
1984-09-14
1996-12-24
Accessline Technologies, Inc.
Remote access telephone control system
US6201950B1
(en)
1984-09-14
2001-03-13
Aspect Telecommunications Corporation
Computer-controlled paging and telephone communication system and method
US5752191A
(en)
1984-09-14
1998-05-12
Accessline Technologies, Inc.
Telephone control system which connects a caller with a subscriber AT A telephone address
US5375161A
(en)
*
1984-09-14
1994-12-20
Accessline Technologies, Inc.
Telephone control system with branch routing
DE3664447D1
(en)
*
1985-04-04
1989-08-24
Sekisui Jushi Kk
Inquiry system for detecting a selected object
US4752951A
(en)
*
1985-12-23
1988-06-21
Konneker Lloyd K
Method of providing location dependent person locator service
US4912461A
(en)
*
1986-11-05
1990-03-27
Cellular Control Systems Corporation
Apparatus and network for transferring packets of electronic signals and associated method
JP2693761B2
(en)
*
1987-04-03
1997-12-24
日本電気株式会社
Mobile communication system
IL85558A
(en)
*
1987-04-30
1992-01-15
Motorola Inc
Personal message receiving device with separate information presentation means
US4803487A
(en)
*
1987-04-30
1989-02-07
Motorola, Inc.
Portable communications receiver with separate information presentation means
JP2582369B2
(en)
*
1987-05-13
1997-02-19
日本電気株式会社
Roaming registration / cancellation method
US4837568A
(en)
*
1987-07-08
1989-06-06
Snaper Alvin A
Remote access personnel identification and tracking system
US4814763A
(en)
*
1987-12-14
1989-03-21
Motorola, Inc.
Paging terminal apparatus with page forwarding capability and methodology thereof
US4897883A
(en)
*
1987-12-18
1990-01-30
Modcom Corporation
Infrared remote control apparatus
US5247380A
(en)
*
1988-01-27
1993-09-21
Spectrix Corp
Infrared communications network
US5099346A
(en)
*
1988-01-27
1992-03-24
Spectrix Corporation
Infrared communications network
FR2626997B1
(en)
*
1988-02-09
1994-04-01
Sgs Thomson Microelectronics Sa
SYSTEM FOR SEARCHING FOR PERSONS IN A SET OF PREMISES
US4935907A
(en)
*
1988-02-22
1990-06-19
Friedman Mark B
Electronic homing system
US5027314A
(en)
*
1988-03-17
1991-06-25
United Manufacturing Co., Inc.
Apparatus and method for position reporting
GB2230365B
(en)
*
1989-02-18
1993-05-26
Olivetti Research Ltd
Mobile carrier tracking system
US5134645A
(en)
*
1989-06-30
1992-07-28
Berken James J
Automatic and sustained association of users with communications paths
US5070329A
(en)
*
1989-12-04
1991-12-03
Motorola, Inc.
On-site communication system with rf shielding having pager identification capability
JPH03270453A
(en)
*
1990-03-20
1991-12-02
Fujitsu Ltd
Automatic follow-up telephony device
US5241410A
(en)
*
1990-06-21
1993-08-31
Litephone Systems Ltd.
Enhanced infrared-connected telephone system
US5140626A
(en)
*
1990-06-21
1992-08-18
Andrew D. Ory
Paging system for establishing telephone connection between calling party and paged party
US5594786A
(en)
*
1990-07-27
1997-01-14
Executone Information Systems, Inc.
Patient care and communication system
US5465082A
(en)
*
1990-07-27
1995-11-07
Executone Information Systems, Inc.
Apparatus for automating routine communication in a facility
US5822544A
(en)
*
1990-07-27
1998-10-13
Executone Information Systems, Inc.
Patient care and communication system
US5455851A
(en)
*
1993-07-02
1995-10-03
Executone Information Systems, Inc.
System for identifying object locations
US6958706B2
(en)
*
1990-07-27
2005-10-25
Hill-Rom Services, Inc.
Patient care and communication system
US5291399A
(en)
*
1990-07-27
1994-03-01
Executone Information Systems, Inc.
Method and apparatus for accessing a portable personal database as for a hospital environment
US5321396A
(en)
*
1991-02-07
1994-06-14
Xerox Corporation
Indexing of audio/video data
ATE172347T1
(en)
*
1991-02-25
1998-10-15
Motorola Inc
OBJECT LOCATION SYSTEM
JPH05130227A
(en)
*
1991-11-07
1993-05-25
Fujitsu Ltd
Moving destination automatic management equipment by radio card
US5361399A
(en)
*
1992-06-02
1994-11-01
Pagemart, Inc.
Adaptive communication system for transmitting between base stations and portable transceivers via different data rate communication links
US5363425A
(en)
*
1992-06-29
1994-11-08
Northern Telecom Limited
Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network
US5343319A
(en)
*
1993-06-14
1994-08-30
Motorola, Inc.
Apparatus for adapting an electrical communications port to an optical communications port
US5426425A
(en)
*
1992-10-07
1995-06-20
Wescom, Inc.
Intelligent locator system with multiple bits represented in each pulse
US5491482A
(en)
*
1992-12-29
1996-02-13
David Sarnoff Research Center, Inc.
Electronic system and method for remote identification of coded articles and the like
DE4303643A1
(en)
*
1993-02-09
1994-08-11
Philips Patentverwaltung
X-ray system
US5627524A
(en)
*
1993-06-07
1997-05-06
Lifecom, Llc
Infrared locator system
US5387993A
(en)
*
1993-06-25
1995-02-07
Precision Tracking Fm, Inc.
Method for receiving and transmitting optical data and control information to and from remotely located receivers and transmitters in an optical locator system
US5561412A
(en)
*
1993-07-12
1996-10-01
Hill-Rom, Inc.
Patient/nurse call system
US5838223A
(en)
*
1993-07-12
1998-11-17
Hill-Rom, Inc.
Patient/nurse call system
US5548637A
(en)
*
1993-09-09
1996-08-20
Precision Tracking Fm, Inc.
Method and apparatus for locating personnel and objects in response to telephone inquiries
US5841365A
(en)
*
1993-09-22
1998-11-24
Seattle Silicon Corporation
Method and apparatus for communicating with a product label
US5471404A
(en)
*
1993-12-23
1995-11-28
Mazer; Murray S.
Occlusion detection system for locator devices
US5515426A
(en)
*
1994-02-28
1996-05-07
Executone Information Systems, Inc.
Telephone communication system having a locator
US6026156A
(en)
1994-03-18
2000-02-15
Aspect Telecommunications Corporation
Enhanced call waiting
US5465286A
(en)
*
1994-05-24
1995-11-07
Executone Information Systems, Inc.
Apparatus for supervising an automatic call distribution telephone system
US5960337A
(en)
*
1994-09-01
1999-09-28
Trimble Navigation Limited
Method for responding to an emergency event
US5513241A
(en)
*
1994-09-12
1996-04-30
Seiko Communications Systems, Inc.
Low cost acknowledge-back system for a pager using existing infrastructure
US5907418A
(en)
*
1995-08-09
1999-05-25
Motorola, Inc.
Apparatus for infrared channel and method therefor
US5724417A
(en)
*
1995-09-11
1998-03-03
Lucent Technologies Inc.
Call forwarding techniques using smart cards
US6411682B1
(en)
1995-09-21
2002-06-25
Aspect Telecommunications Corporation
Computer controlled paging and telephone communication system and method
US5699046A
(en)
*
1995-11-02
1997-12-16
Sensormatic Electronics Corporation
EAS system employing central and local stations with shared functions
US5917425A
(en)
*
1996-01-22
1999-06-29
Wireless Communiations Products, Llc
IR/RF locator
DE19724636A1
(en)
*
1997-06-11
1998-12-17
Bosch Gmbh Robert
Paging system
EP1027689A4
(en)
1997-11-03
2003-04-02
Arial Systems Corp
Personnel and asset tracking method and apparatus
US7010369B2
(en)
1997-11-07
2006-03-07
Hill-Rom Services, Inc.
Medical equipment controller
CA2305142A1
(en)
1997-11-07
1999-05-20
Hill-Rom, Inc.
Mobile surgical support apparatus
WO1999031867A1
(en)
*
1997-12-18
1999-06-24
Motorola Inc.
Method and apparatus for providing a power adjustable infrared signal
US6104512A
(en)
*
1998-01-23
2000-08-15
Motorola, Inc.
Method for adjusting the power level of an infrared signal
US6298047B1
(en)
1998-05-20
2001-10-02
Steelcase Development Inc.
Method and apparatus for establishing a data link between a portable data communications device and an interface circuit
US6359711B1
(en)
1998-05-20
2002-03-19
Steelcase Development Corporation
System and method for supporting a worker in a distributed work environment
US6337856B1
(en)
1998-05-20
2002-01-08
Steelcase Development Corporation
Multimedia data communications system
GB9827989D0
(en)
*
1998-12-19
1999-02-10
Koninkl Philips Electronics Nv
Location beacon system
US6594354B1
(en)
*
1999-11-05
2003-07-15
Nortel Networks Limited
Method and apparatus for alert control on a communications system
US7844670B2
(en)
*
2000-04-03
2010-11-30
Paltalk Holdings, Inc.
Method and computer program product for establishing real-time communications between networked computers
US20020023134A1
(en)
*
2000-04-03
2002-02-21
Roskowski Steven G.
Method and computer program product for establishing real-time communications between networked computers
EP1198113A1
(en)
*
2000-10-13
2002-04-17
Dansk Mobiltelefon I/S
Intelligent Call Manager for routing calls to subscriber’s fixed or mobile telephone according to availability
US7957514B2
(en)
*
2000-12-18
2011-06-07
Paltalk Holdings, Inc.
System, method and computer program product for conveying presence information via voice mail
CA2439005A1
(en)
2001-03-09
2002-09-19
Radianse, Inc.
A system and method for performing object association at a tradeshow using a location tracking system
JP2005509312A
(en)
2001-03-30
2005-04-07
ヒル−ロム サービシーズ，インコーポレイティド
Hospital bed and network system
CA2445161A1
(en)
*
2001-05-08
2002-11-14
Hill-Rom Services, Inc.
Article locating and tracking system
US7242306B2
(en)
2001-05-08
2007-07-10
Hill-Rom Services, Inc.
Article locating and tracking apparatus and method
US6970097B2
(en)
*
2001-05-10
2005-11-29
Ge Medical Systems Information Technologies, Inc.
Location system using retransmission of identifying information
US6759959B2
(en)
2001-05-25
2004-07-06
Hill-Rom Services, Inc.
Waste segregation compliance system
US7120238B1
(en)
*
2001-07-12
2006-10-10
8X8, Inc.
Sensor-controlled telephone system
US6972683B2
(en)
*
2001-07-20
2005-12-06
Hill-Rom Services, Inc.
Badge for a locating and tracking system
EP1411878A1
(en)
2001-08-03
2004-04-28
Hill-Rom Services, Inc.
Medication tracking system
WO2004032019A2
(en)
*
2002-09-27
2004-04-15
Hill-Rom Services, Inc.
Universal communications, monitoring, tracking, and control system for a healthcare facility
US7489935B2
(en)
*
2003-05-19
2009-02-10
Michigan Technological University
Wireless local positioning system
EP1665479A4
(en)
2003-08-21
2008-01-23
Hill Rom Services Inc
Plug and receptacle having wired and wireless coupling
US20070080801A1
(en)
*
2003-10-16
2007-04-12
Weismiller Matthew W
Universal communications, monitoring, tracking, and control system for a healthcare facility
US7319386B2
(en)
2004-08-02
2008-01-15
Hill-Rom Services, Inc.
Configurable system for alerting caregivers
US7852208B2
(en)
2004-08-02
2010-12-14
Hill-Rom Services, Inc.
Wireless bed connectivity
US20060060955A1
(en)
*
2004-09-22
2006-03-23
Texas Instruments Incorporated
Stacked die infrared transceiver bus
US7486189B2
(en)
*
2005-04-26
2009-02-03
Rf Code, Inc
RFID systems and methods employing infrared localization
US20070015548A1
(en)
*
2005-07-12
2007-01-18
Omega Patents, L.L.C.
Vehicle tracker using common telephone number and unique identification number and associated methods
US20070072676A1
(en)
*
2005-09-29
2007-03-29
Shumeet Baluja
Using information from user-video game interactions to target advertisements, such as advertisements to be served in video games for example
KR100818297B1
(en)
*
2006-06-23
2008-03-31
한국전자통신연구원
Method and Apparatus for performing wireless sensor network communicating selectively using Infrared and Radio Frequency Communication
US20080016746A1
(en)
*
2006-07-21
2008-01-24
Lawrence Mathis
Fellow Law Officers Encounter Warning System (FLOEWS)
US20080189132A1
(en)
*
2007-02-05
2008-08-07
Matthew Minson
Automatic Hospital Bed Accounting System
US8461968B2
(en)
*
2007-08-29
2013-06-11
Hill-Rom Services, Inc.
Mattress for a hospital bed for use in a healthcare facility and management of same
US7868740B2
(en)
2007-08-29
2011-01-11
Hill-Rom Services, Inc.
Association of support surfaces and beds
US8082160B2
(en)
2007-10-26
2011-12-20
Hill-Rom Services, Inc.
System and method for collection and communication of data from multiple patient care devices
US8598995B2
(en)
2008-02-22
2013-12-03
Hill-Rom Services, Inc.
Distributed healthcare communication system
US9886696B2
(en)
2009-07-29
2018-02-06
Shopkick, Inc.
Method and system for presence detection
US9264151B1
(en)
2009-07-29
2016-02-16
Shopkick, Inc.
Method and system for presence detection
US8779924B2
(en)
*
2010-02-19
2014-07-15
Hill-Rom Services, Inc.
Nurse call system with additional status board
US9411934B2
(en)
2012-05-08
2016-08-09
Hill-Rom Services, Inc.
In-room alarm configuration of nurse call system
US9314159B2
(en)
2012-09-24
2016-04-19
Physio-Control, Inc.
Patient monitoring device with remote alert
US9830424B2
(en)
2013-09-18
2017-11-28
Hill-Rom Services, Inc.
Bed/room/patient association systems and methods
US10127174B2
(en)
*
2015-11-18
2018-11-13
Omega Patents, L.L.C.
Multi-adaptor vehicle tracker controller and associated methods
US11686804B2
(en)
2016-05-25
2023-06-27
Invensense, Inc.
Ultrasonic range sensing enables measured social contact
EP3465087A4
(en)
*
2016-05-25
2020-07-29
Chirp Microsystems, Inc.
Ultrasonic beacon tracking
US11123014B2
(en)
2017-03-21
2021-09-21
Stryker Corporation
Systems and methods for ambient energy powered physiological parameter monitoring
US11367535B2
(en)
2018-09-30
2022-06-21
Hill-Rom Services, Inc.
Patient care system for a home environment
US11229568B2
(en)
2018-09-30
2022-01-25
Hill-Rom Services, Inc.
Mattress support for adding hospital bed functionality to an in-home bed
US11357682B2
(en)
2018-09-30
2022-06-14
Hill-Rom Services, Inc.
Structures for causing movement of elements of a bed
US11400001B2
(en)
2018-10-01
2022-08-02
Hill-Rom Services, Inc.
Method and apparatus for upgrading a bed to include moveable components
US11241347B2
(en)
2018-10-01
2022-02-08
Hill-Rom Services, Inc.
Mattress support for adding hospital bed modular control system for upgrading a bed to include movable components
US10734110B2
(en)
2018-12-05
2020-08-04
Hill-Rom Services, Inc.
Caregiver locating tag having advanced functionality
US10959534B2
(en)
2019-02-28
2021-03-30
Hill-Rom Services, Inc.
Oblique hinged panels and bladder apparatus for sleep disorders
US11715056B2
(en)
2021-03-16
2023-08-01
Bank Of America Corporation
Performance monitoring for communication systems
US11595527B2
(en)
2021-03-16
2023-02-28
Bank Of America Corporation
Dynamic routing for communication systems
Family Cites Families (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3657715A
(en)
*
1970-04-13
1972-04-18
William J Curtin
Ultrasonic paging system
US3739327A
(en)
*
1970-12-16
1973-06-12
Dynamics Corp Massa Div
Electroacoustic transducers of the mass loaded vibratile piston type
US3696384A
(en)
*
1971-07-08
1972-10-03
Recognition Devices
Ultrasonic tracking and locating system
US3805265A
(en)
*
1971-10-06
1974-04-16
Rcds Enterprises Inc
Radiant wave locating system
CH539440A
(en)
*
1971-12-24
1973-07-31
Autophon Ag
Device for searching for buried persons each wearing the same device
US3805227A
(en)
*
1972-10-03
1974-04-16
Rcds Enterprises Inc
Electronic tracking locating system using multiple frequency, modulated, and time delayed ultrasonic signals
US4275385A
(en)
*
1979-08-13
1981-06-23
Bell Telephone Laboratories, Incorporated
Infrared personnel locator system
AU541606B2
(en)
*
1979-09-29
1985-01-10
Nippon Electric Co. Ltd.
Paging receiver
US4378551A
(en)
*
1980-12-05
1983-03-29
Motorola, Inc.
Radio signal receiving apparatus with a security circuitry
FI66696C
(en)
*
1981-06-12
1984-11-12
Saehkoeliikkeiden Oy
FOERFARANDE FOER FOERVERKLIGANDE AV EN TILL EN PERSON BUNDEN ANROPNINGSPROCESS
US4545071A
(en)
*
1982-11-12
1985-10-01
Motorola, Inc.
Portable radio for a zoned data communications system communicating message signals between portable radios and a host computer
1983
1983-07-26
US
US06/517,321
patent/US4649385A/en
not_active
Expired – Fee Related
1983-08-03
CA
CA000433769A
patent/CA1206565A/en
not_active
Expired
1983-08-08
AU
AU18896/83A
patent/AU560599B2/en
not_active
Expired – Fee Related
1983-08-08
EP
EP19830902852
patent/EP0118507A4/en
not_active
Ceased
1983-08-08
JP
JP58502870A
patent/JPS59501847A/en
active
Pending
1983-08-08
WO
PCT/US1983/001243
patent/WO1984000868A1/en
not_active
Application Discontinuation
1983-08-10
IT
IT22506/83A
patent/IT1169758B/en
active
1983-08-11
ES
ES524878A
patent/ES8501904A1/en
not_active
Expired
Also Published As
Publication number
Publication date
ES524878A0
(en)
1984-12-01
CA1206565A
(en)
1986-06-24
IT1169758B
(en)
1987-06-03
ES8501904A1
(en)
1984-12-01
IT8322506A1
(en)
1985-02-10
EP0118507A1
(en)
1984-09-19
AU560599B2
(en)
1987-04-09
US4649385A
(en)
1987-03-10
WO1984000868A1
(en)
1984-03-01
JPS59501847A
(en)
1984-11-01
IT8322506D0
(en)
1983-08-10
EP0118507A4
(en)
1985-02-28
Similar Documents
Publication
Publication Date
Title
AU560599B2
(en)
1987-04-09
Electronic locating system for persons receiving telephone calls
AU570216B2
(en)
1988-03-10
Telephone call interceptor
AU555918B2
(en)
1986-10-16
Secure telephone system
IL73693A0
(en)
1985-02-28
Telephone call accounting system
GB2096434B
(en)
1985-04-03
Loudspeaking telephone system
AU2362284A
(en)
1984-07-26
Telephone call cost induicator
AU556729B2
(en)
1986-11-13
Telephone line interface
AU561499B2
(en)
1987-05-07
Key telephone system
GB2123253B
(en)
1986-01-08
Electronic key telephone system
AU541363B2
(en)
1985-01-03
Telephone answering apparatus
GB2124454B
(en)
1986-07-30
Cordless telephone system
AU554170B2
(en)
1986-08-07
Loop circuit for telephone line
DE3369048D1
(en)
1987-02-12
Subscriber telephone system
AU570936B2
(en)
1988-03-31
Telephone switching system
AU8088782A
(en)
1982-10-19
Cordless telephone system
DE3379445D1
(en)
1989-04-20
Telephone conference system
AU542494B2
(en)
1985-02-21
Telephone answering device
AU543673B2
(en)
1985-04-26
Telephone system
EG17436A
(en)
1992-06-30
Circuit for telephone systems
AU2205283A
(en)
1984-04-24
Telephone extension system
AU2505584A
(en)
1984-09-06
Handsfree telephone system
AU549671B2
(en)
1986-02-06
Telephone subset circuit
AU7564581A
(en)
1982-04-01
Pbx telephone system
GB8414479D0
(en)
1984-07-11
Telephone system
AU564164B2
(en)
1987-08-06
Digital telephone system
None