NL187043C - RADIO TELEPHONE SYSTEM. - Google Patents

RADIO TELEPHONE SYSTEM.

Info

Publication number
NL187043C
NL187043C NLAANVRAGE7408553,A NL7408553A NL187043C NL 187043 C NL187043 C NL 187043C NL 7408553 A NL7408553 A NL 7408553A NL 187043 C NL187043 C NL 187043C
Authority
NL
Netherlands
Prior art keywords
telephone system
radio telephone
radio
telephone
Prior art date
Application number
NLAANVRAGE7408553,A
Other languages
Dutch (nl)
Other versions
NL7408553A (en
NL187043B (en
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 NL7408553A publication Critical patent/NL7408553A/en
Publication of NL187043B publication Critical patent/NL187043B/en
Application granted granted Critical
Publication of NL187043C publication Critical patent/NL187043C/en

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)
NLAANVRAGE7408553,A 1974-06-14 1974-06-25 RADIO TELEPHONE SYSTEM. NL187043C (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 (3)

Publication Number Publication Date
NL7408553A NL7408553A (en) 1975-12-30
NL187043B NL187043B (en) 1990-12-03
NL187043C true NL187043C (en) 1991-05-01

Family

ID=3753444

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7408553,A NL187043C (en) 1974-06-14 1974-06-25 RADIO TELEPHONE 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
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
CH572684A5 (en) 1976-02-13
SE382296B (en) 1976-01-19
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
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: INTERDIGITAL COMMUNICATIONS CORPORATION

SNR Assignments of patents or rights arising from examined patent applications

Owner name: INTERDIGITAL TECHNOLOGY CORPORATION

V4 Discontinued because of reaching the maximum lifetime of a patent