IE822170L - Telecommunication system - Google Patents

Telecommunication system

Info

Publication number
IE822170L
IE822170L IE822170A IE217082A IE822170L IE 822170 L IE822170 L IE 822170L IE 822170 A IE822170 A IE 822170A IE 217082 A IE217082 A IE 217082A IE 822170 L IE822170 L IE 822170L
Authority
IE
Ireland
Prior art keywords
telephone
code
transmitters
telephone set
well
Prior art date
Application number
IE822170A
Other versions
IE53438B1 (en
Original Assignee
Portaphone Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3556682&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IE822170(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Portaphone Ag filed Critical Portaphone Ag
Publication of IE822170L publication Critical patent/IE822170L/en
Publication of IE53438B1 publication Critical patent/IE53438B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/727—Identification code transfer arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Radio Relay Systems (AREA)

Abstract

1. Cordless telephone set as well as fixed relay station which exclusively corresponds with the telephone set or with telephone sets of one subscriber station connected in parallel, for telephone calls using the public network, said telephone set as well as said relay station, which is directly connected to the telephone network, each comprising a radio transmitter and a radio receiver, and the transmitters exchanging identification signals for avoiding wrong connections, characterized in that the transmitters (4, 14) are provided with a coding device (7, 17) for generating the identification signal or -signals in order to transmit a code on a channel identified as being idle by the corresponding receiver (3, 13), the code of the transmitters (4, 14) being invariable and independent from the dialled telephone number of a subscriber station, that the receivers (3, 14) are provided with a scanner for distinguishing between free and busy channels from a plurality of present communication channels or pairs of communication channels respectively, and that a comparator (9, 19) is located after the receivers (3, 13) which seizes the transmitted invariable code and compares it with the receiver-side code, as well as a circuit to establish the cordless connection especially in duplex operation between the telephone set and the telephone relay station in case of code identity detected in the comparator (9, 19) circuit. [EP0074940A1]
IE2170/82A 1981-09-08 1982-09-07 A telecommunication system including a wireless telephone set IE53438B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT3879/81A AT391234B (en) 1981-09-08 1981-09-08 WIRELESS TELEPHONE DEVICE

Publications (2)

Publication Number Publication Date
IE822170L true IE822170L (en) 1983-03-08
IE53438B1 IE53438B1 (en) 1988-11-09

Family

ID=3556682

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2170/82A IE53438B1 (en) 1981-09-08 1982-09-07 A telecommunication system including a wireless telephone set

Country Status (15)

Country Link
EP (1) EP0074940B1 (en)
JP (1) JPS5854743A (en)
AT (1) AT391234B (en)
AU (1) AU555241B2 (en)
CH (1) CH647631A5 (en)
DE (1) DE3262435D1 (en)
DK (1) DK159355C (en)
ES (1) ES515536A0 (en)
FI (1) FI75716C (en)
FR (1) FR2512621A1 (en)
IE (1) IE53438B1 (en)
IT (1) IT1221731B (en)
NO (1) NO155368C (en)
NZ (1) NZ201827A (en)
PT (1) PT75522B (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124454B (en) * 1982-07-02 1986-07-30 Fidelity Radio Plc Cordless telephone system
JPS59186436A (en) * 1983-04-07 1984-10-23 Sony Corp Cordless telephone
DE3337358A1 (en) * 1983-10-14 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart RADIO NETWORK FOR TRANSMITTING INFORMATION BETWEEN A PAIR OF MULTIPLE RADIO STATION PAIRS
WO1985002738A1 (en) * 1983-12-05 1985-06-20 Motorola, Inc. Portable telephone id code transfer system
EP0146814B1 (en) * 1983-12-22 1992-03-04 Texas Instruments Deutschland Gmbh Cordless telephone
US4731813A (en) * 1983-12-30 1988-03-15 Motorola, Inc. Address encoding system for portable battery-operated devices
US4639549A (en) * 1984-01-31 1987-01-27 Sony Corporation Cordless telephone
JPS60223340A (en) * 1984-04-20 1985-11-07 Sony Corp Cordless telephone set
FI851778L (en) * 1984-05-11 1985-11-12 Autophon Ag FOERFARANDE FOER FJAERRLAGRING AV AOTMINSTONE ETT KAENNETECKEN TILL EN RADIOAPPARAT SAMT RADIOAPPARAT FOER UTFOERANDE AV FOERFARANDET.
JPS60260239A (en) * 1984-06-07 1985-12-23 Sony Corp Transmitting and receiving device
JPS619039A (en) * 1984-06-25 1986-01-16 Sony Corp Multi-channel access radio system
FR2568436B1 (en) * 1984-07-27 1986-12-12 Philips Indle Cale Flers Sa METHOD FOR MANAGING THE PAIRING OF A BASE AND A MOBILE, PARTICULARLY TELEPHONE, AND DEVICE FOR IMPLEMENTING IT
JPS6143025A (en) * 1984-08-07 1986-03-01 Nec Corp Radio communication system
GB8420702D0 (en) * 1984-08-15 1984-09-19 British Telecomm Cordless telephones
JPS61105138A (en) * 1984-10-29 1986-05-23 Nec Corp Radiotelephone equipment
DE3441907A1 (en) * 1984-11-16 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart RADIO NETWORK FOR TRANSMITTING INFORMATION BETWEEN A PAIR OF MULTIPLE RADIO STATION PAIRS
JPS61177040A (en) * 1985-01-31 1986-08-08 Nec Corp Radio circuit control system
DE3512154A1 (en) * 1985-04-03 1986-10-16 Robert Bosch Gmbh, 7000 Stuttgart METHOD FOR WIRELESSLY TRANSMITTING A CALL SIGNAL
JPS6243230A (en) * 1985-08-20 1987-02-25 Nec Corp Cordless telephone
US4802200A (en) * 1985-08-27 1989-01-31 Nippon Telegraph And Telephone Corporation Radio telephone system control apparatus and method
JPS6248131A (en) * 1985-08-27 1987-03-02 Nippon Telegr & Teleph Corp <Ntt> Radiotelephony system
NL8503382A (en) * 1985-12-09 1987-07-01 Philips Nv METHOD FOR THE COMMON USE OF DUPLEX CHANNELS IN AN AUTOMATIC CHANNEL SELECTION SYSTEM AND AUTOMATIC CHANNEL SELECTION SYSTEM APPLYING THIS METHOD
DE3611100C2 (en) * 1986-04-03 1995-04-06 Bosch Gmbh Robert Procedure for avoiding unauthorized listening in on cordless phones
JPS6348926A (en) * 1986-08-19 1988-03-01 Fujitsu Ltd Multi-channel access system for cordless telephone
DE3631068A1 (en) * 1986-09-12 1988-03-24 Hagenuk Telecom Gmbh Cordless telephone system
JPH0824388B2 (en) * 1987-01-16 1996-03-06 日本電信電話株式会社 Connection control system for cordless telephone system
AU595982B2 (en) * 1987-02-04 1990-04-12 Overseas Telecommunications Commission (Australia) Communication link connection means
EP0348414A4 (en) * 1987-02-23 1990-12-05 Zeeng, Pauline Transmission and reception of data
JP2615635B2 (en) * 1987-07-16 1997-06-04 日本電気株式会社 How to connect a cordless telephone device
JPH0817345B2 (en) * 1989-02-03 1996-02-21 日本電気株式会社 Satellite communication system
DE3907247A1 (en) * 1989-03-07 1990-09-13 Philips Patentverwaltung Communications equipment
GB8907317D0 (en) * 1989-03-31 1989-05-17 Plessey Telecomm Communications systems
DE3918697C2 (en) * 1989-06-08 1996-05-30 Philips Patentverwaltung Telecommunications equipment, radio transmission system and radio station with improved identification exchange
DE3933835A1 (en) * 1989-10-10 1991-04-18 Grundig Emv CORDLESS TELEPHONE DEVICE WITH A TRANSMITTER SEARCH DEVICE IN THE MOBILE STATION AND THE BASE STATION AND WITH A MEMORY CONNECTED TO THE TRANSMITTER SEARCH DEVICE
DE4019010A1 (en) * 1990-06-13 1992-01-02 Grundig Emv RADIO DEVICE COMBINATION, ESPECIALLY COMBINATION OF CORDLESS TELEPHONE DEVICE AND RADIO RECEIVER
DE4019009C2 (en) * 1990-06-13 1993-12-02 Grundig Emv Multifunctional radio that can be switched over to different operating modes
JPH0454719A (en) * 1990-06-25 1992-02-21 Fujitsu Denso Ltd Frequency control circuit
DE4041643A1 (en) * 1990-12-22 1992-07-02 Grundig Emv Cordless telephone allowing for alternate two=way traffic - reduces frequency spacing of duplex channels at main station as relay between two mobile stations
DE4239416A1 (en) * 1992-11-19 1994-06-01 Deutsche Telephonwerk Kabel Communication terminal handset cord replacement system - uses full duplex radio transmission line and has terminal with base station and independent unit
DE9319508U1 (en) * 1993-12-18 1994-02-17 Hetronic Steuersysteme GmbH, 84085 Langquaid Radio remote control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB850698A (en) * 1957-11-21 1960-10-05 British Telecomm Res Ltd Improvements in and relating to radio signalling systems
NL285959A (en) * 1961-12-01
US3351714A (en) * 1964-05-12 1967-11-07 Secode Corp Mobile radio telephone apparatus
US4332981A (en) * 1980-08-15 1982-06-01 Edward Rossi Palombi Cordless telephone
DE3042610A1 (en) * 1980-11-12 1982-06-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt PARTICIPANTS INTERCOM

Also Published As

Publication number Publication date
ES8306429A1 (en) 1983-06-01
NO823048L (en) 1983-03-09
FR2512621B1 (en) 1985-01-18
AU8781282A (en) 1983-03-17
IE53438B1 (en) 1988-11-09
CH647631A5 (en) 1985-01-31
AT391234B (en) 1990-09-10
ES515536A0 (en) 1983-06-01
IT1221731B (en) 1990-07-12
FI823070A0 (en) 1982-09-06
IT8223128A0 (en) 1982-09-06
FR2512621A1 (en) 1983-03-11
ATA387981A (en) 1984-10-15
PT75522B (en) 1984-10-23
DK396082A (en) 1983-03-09
FI75716B (en) 1988-03-31
NZ201827A (en) 1985-01-31
NO155368B (en) 1986-12-08
JPS5854743A (en) 1983-03-31
FI823070L (en) 1983-03-09
DK159355C (en) 1991-03-11
NO155368C (en) 1987-03-18
DK159355B (en) 1990-10-01
AU555241B2 (en) 1986-09-18
DE3262435D1 (en) 1985-03-28
FI75716C (en) 1988-07-11
EP0074940B1 (en) 1985-02-20
PT75522A (en) 1982-10-01
EP0074940A1 (en) 1983-03-23

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Legal Events

Date Code Title Description
MM4A Patent lapsed