CH572684A5 - - Google Patents

Info

Publication number
CH572684A5
CH572684A5 CH878674A CH878674A CH572684A5 CH 572684 A5 CH572684 A5 CH 572684A5 CH 878674 A CH878674 A CH 878674A CH 878674 A CH878674 A CH 878674A CH 572684 A5 CH572684 A5 CH 572684A5
Authority
CH
Switzerland
Application number
CH878674A
Original Assignee
Int Mobile Machines
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 Int Mobile Machines filed Critical Int Mobile Machines
Publication of CH572684A5 publication Critical patent/CH572684A5/xx

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)
CH878674A 1974-06-14 1974-06-26 CH572684A5 (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
CH572684A5 true CH572684A5 (en) 1976-02-13

Family

ID=3753444

Family Applications (1)

Application Number Title Priority Date Filing Date
CH878674A CH572684A5 (en) 1974-06-14 1974-06-26

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
FR2283599B1 (en) 1980-11-07
FR2283599A1 (en) 1976-03-26
DE2432945A1 (en) 1976-02-12
CA1031038A (en) 1978-05-09
SE7407979L (en) 1975-12-18
NL7408553A (en) 1975-12-30
BE817448A (en) 1974-11-04
AU483284B2 (en) 1975-12-18
NL187043B (en) 1990-12-03
SE382296B (en) 1976-01-19
NL187043C (en) 1991-05-01
AU7012474A (en) 1975-12-18
DE2432945C2 (en) 1986-06-19
GB1471318A (en) 1977-04-21

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Legal Events

Date Code Title Description
PL Patent ceased