SE398587B - RADIO TRANSMITTERS / RECEIVERS WITH MORE THAN A RADIO FREQUENCY CHANNEL FOR DIGITAL NUMBER TRANSMISSION - Google Patents

RADIO TRANSMITTERS / RECEIVERS WITH MORE THAN A RADIO FREQUENCY CHANNEL FOR DIGITAL NUMBER TRANSMISSION

Info

Publication number
SE398587B
SE398587B SE7507850A SE7507850A SE398587B SE 398587 B SE398587 B SE 398587B SE 7507850 A SE7507850 A SE 7507850A SE 7507850 A SE7507850 A SE 7507850A SE 398587 B SE398587 B SE 398587B
Authority
SE
Sweden
Prior art keywords
receivers
radio
frequency channel
digital number
number transmission
Prior art date
Application number
SE7507850A
Other languages
Swedish (sv)
Other versions
SE7507850L (en
Inventor
W Smitka
Original Assignee
Int Standard Electric Corp
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 Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of SE7507850L publication Critical patent/SE7507850L/en
Publication of SE398587B publication Critical patent/SE398587B/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
SE7507850A 1974-07-10 1975-07-09 RADIO TRANSMITTERS / RECEIVERS WITH MORE THAN A RADIO FREQUENCY CHANNEL FOR DIGITAL NUMBER TRANSMISSION SE398587B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2433163A DE2433163C2 (en) 1974-07-10 1974-07-10 Radio transceiver for digital voice transmission with delta modulation with more than one high-frequency channel

Publications (2)

Publication Number Publication Date
SE7507850L SE7507850L (en) 1976-01-12
SE398587B true SE398587B (en) 1977-12-27

Family

ID=5920197

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7507850A SE398587B (en) 1974-07-10 1975-07-09 RADIO TRANSMITTERS / RECEIVERS WITH MORE THAN A RADIO FREQUENCY CHANNEL FOR DIGITAL NUMBER TRANSMISSION

Country Status (7)

Country Link
CH (1) CH586977A5 (en)
DE (1) DE2433163C2 (en)
ES (1) ES439288A1 (en)
FR (1) FR2278211A1 (en)
GB (1) GB1476578A (en)
NL (1) NL7508145A (en)
SE (1) SE398587B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083977B (en) * 1980-08-26 1984-08-22 Standard Telephones Cables Ltd Single channel duplex radio system
US4501017A (en) * 1983-01-31 1985-02-19 Motorola, Inc. Switch controller for obtaining a plurality of functions from a single switch in a two-way transceiver and method therefor

Also Published As

Publication number Publication date
DE2433163B1 (en) 1975-05-28
ES439288A1 (en) 1977-02-16
SE7507850L (en) 1976-01-12
CH586977A5 (en) 1977-04-15
DE2433163C2 (en) 1976-01-08
GB1476578A (en) 1977-06-16
NL7508145A (en) 1976-01-13
FR2278211B1 (en) 1978-09-22
FR2278211A1 (en) 1976-02-06

Similar Documents

Publication Publication Date Title
IT1025916B (en) THRESHOLD CORRECTION DEVICE FOR TRANSMISSION SYSTEMS WITH FREQUENCY SHIFT MODULATION
NZ183602A (en) Common channel transmitter/receiver
CA1014667A (en) High frequency character receiver
CA1034272A (en) Channel selector
HK41979A (en) Broadcast receiver including a transmission search device
SE404117B (en) MULTIPLEX DATA TRANSMISSION DEVICE BETWEEN MULTIPLE DATA TRANSMITTERS AND SEVERAL RECEIVERS OVER A COMMON TRANSMISSION CHANNEL
SE7607380L (en) FREQUENCY SHIFT TRANSMITTER WITH FREQUENCY BAND LIMIT
GB1557776A (en) Television receiver having a channel selection circuit
SE407501B (en) SHORT-PROGRAMMED FREQUENCY CONTROL UNIT FOR A TRANSMITTER / RECEIVER
SE398587B (en) RADIO TRANSMITTERS / RECEIVERS WITH MORE THAN A RADIO FREQUENCY CHANNEL FOR DIGITAL NUMBER TRANSMISSION
JPS5229245A (en) Radio transmission type digital seismic signal recorder
ZA754275B (en) Digital signal transmission
ZA757642B (en) Digital multifrequency signals receiver
NL7506578A (en) DIGITAL LINE RECEIVER.
SE393013B (en) TRANSMITTER / RECEIVER
DK579375A (en) RADIO RECEIVER
US4009440A (en) Radio receiver
SE409534B (en) APPARATUS OIL FOR A TRANSMISSION RECEIVER IN TELECOMMUNICATIONS TECHNOLOGY, SPECIAL RADIO LINKING TECHNIQUE
AU498591B2 (en) Frequency selector
SE7613196L (en) TRANSMITTER FOR SINGLE CHANNEL FREQUENCY SYSTEM
SE411090B (en) DEFAULT CIRCUIT FOR A TELEVISION RECEIVER
SE391619B (en) TERMINAL FOR FREQUENCY SHIFT KEY TRANSMISSION
JPS535511A (en) Digital multi-frequency receiver
JPS51137301A (en) Radio receiver tuner
CA1035477A (en) Receiver tuning circuit