CA1031038A - Radio-telephone data receiver and transmission system - Google Patents

Radio-telephone data receiver and transmission system

Info

Publication number
CA1031038A
CA1031038A CA202,627A CA202627A CA1031038A CA 1031038 A CA1031038 A CA 1031038A CA 202627 A CA202627 A CA 202627A CA 1031038 A CA1031038 A CA 1031038A
Authority
CA
Canada
Prior art keywords
radio
transmission system
data receiver
telephone data
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
CA202,627A
Other languages
French (fr)
Other versions
CA202627S (en
Inventor
Roger D. Blouch
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.)
InterDigital Technology Corp
Original Assignee
InterDigital 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 InterDigital Inc filed Critical InterDigital Inc
Application granted granted Critical
Publication of CA1031038A publication Critical patent/CA1031038A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CA202,627A 1974-06-14 1974-06-17 Radio-telephone data receiver and transmission system Expired CA1031038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU70124/74A AU483284B2 (en) 1974-06-14 1974-06-14 A communication system for receiving computerized data orthe like

Publications (1)

Publication Number Publication Date
CA1031038A true CA1031038A (en) 1978-05-09

Family

ID=3753444

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,627A Expired CA1031038A (en) 1974-06-14 1974-06-17 Radio-telephone data receiver and transmission system

Country Status (9)

Country Link
AU (1) AU483284B2 (en)
BE (1) BE817448A (en)
CA (1) CA1031038A (en)
CH (1) CH572684A5 (en)
DE (1) DE2432945C2 (en)
FR (1) FR2283599A1 (en)
GB (1) GB1471318A (en)
NL (1) NL187043C (en)
SE (1) SE382296B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539707A (en) * 1982-06-01 1985-09-03 Aerotron, Inc. Compressed single side band communications system and method
IE58852B1 (en) * 1985-12-04 1993-11-17 Smith Philip A security device for a telephone instrument

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1462279A (en) * 1965-09-21 1966-04-15 Cit Alcatel Random carrier frequency radio links
FR1552870A (en) * 1967-08-11 1969-01-10
US3623106A (en) * 1969-07-03 1971-11-23 Motorola Inc Multifrequency receiver employing tone-coded squelch with automatic channel selection
FR2069778A5 (en) * 1970-02-09 1971-09-03 Siemens Spa Italiana
US3818481A (en) * 1972-08-14 1974-06-18 Codata Corp Multiple address direct coupled communication and control current carrier system
DD105363A1 (en) * 1973-08-02 1974-04-12

Also Published As

Publication number Publication date
SE7407979L (en) 1975-12-18
NL187043B (en) 1990-12-03
GB1471318A (en) 1977-04-21
NL187043C (en) 1991-05-01
DE2432945A1 (en) 1976-02-12
BE817448A (en) 1974-11-04
SE382296B (en) 1976-01-19
NL7408553A (en) 1975-12-30
AU7012474A (en) 1975-12-18
AU483284B2 (en) 1975-12-18
CH572684A5 (en) 1976-02-13
FR2283599B1 (en) 1980-11-07
DE2432945C2 (en) 1986-06-19
FR2283599A1 (en) 1976-03-26

Similar Documents

Publication Publication Date Title
AU498573B2 (en) Information transmission system
CA1031050A (en) Two-wire signal transmission system
AU499505B2 (en) Data transmission systems
CA976285A (en) Communications system for data transmission and retrieval
AU506611B2 (en) Data transmission system
JPS52149910A (en) Data transmission and receiving system
GB1540510A (en) Digital data transmission system
AU508504B2 (en) Digital Data Transmission System Providing Multipoints Connections
AU506228B2 (en) Data transmission system
CA1026465A (en) Method and installation for data transmission
AU510560B2 (en) Data receiver
AU498273B2 (en) Digital data transmission
AU499643B2 (en) Transmission system
CA1010983A (en) Data transmission system
AU467213B2 (en) Satellite data transmission method
AU497469B2 (en) Data transmission systems
AU500103B2 (en) Communication system
AU502617B2 (en) Channel indicating and tuning system
AU8414175A (en) Data transmission using carrier waves
AU501571B2 (en) Communications system
CA1031038A (en) Radio-telephone data receiver and transmission system
CA994000A (en) Data transmission system and terminal
AU500993B2 (en) Transmission system
AU501260B2 (en) Secret transmission
SU678704A1 (en) Digital data transmitting and receiving system

Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950509