DK134539B - Koblingsapparat, der indgår i en kodemodtager i et radiokommunikationsanlæg til modtagelse af to forskellige selektive kodeopkald i cifferform. - Google Patents

Koblingsapparat, der indgår i en kodemodtager i et radiokommunikationsanlæg til modtagelse af to forskellige selektive kodeopkald i cifferform.

Info

Publication number
DK134539B
DK134539B DK181573AA DK181573A DK134539B DK 134539 B DK134539 B DK 134539B DK 181573A A DK181573A A DK 181573AA DK 181573 A DK181573 A DK 181573A DK 134539 B DK134539 B DK 134539B
Authority
DK
Denmark
Prior art keywords
code
receiving
communication system
radio communication
coupling device
Prior art date
Application number
DK181573AA
Other languages
Danish (da)
English (en)
Other versions
DK134539C (cs
Inventor
Boerje Karl Axel Waenblad
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK134539B publication Critical patent/DK134539B/da
Application granted granted Critical
Publication of DK134539C publication Critical patent/DK134539C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
DK181573AA 1972-04-05 1973-04-04 Koblingsapparat, der indgår i en kodemodtager i et radiokommunikationsanlæg til modtagelse af to forskellige selektive kodeopkald i cifferform. DK134539B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE04346/72A SE356197B (cs) 1972-04-05 1972-04-05

Publications (2)

Publication Number Publication Date
DK134539B true DK134539B (da) 1976-11-22
DK134539C DK134539C (cs) 1977-04-25

Family

ID=20263989

Family Applications (1)

Application Number Title Priority Date Filing Date
DK181573AA DK134539B (da) 1972-04-05 1973-04-04 Koblingsapparat, der indgår i en kodemodtager i et radiokommunikationsanlæg til modtagelse af to forskellige selektive kodeopkald i cifferform.

Country Status (2)

Country Link
DK (1) DK134539B (cs)
SE (1) SE356197B (cs)

Also Published As

Publication number Publication date
SE356197B (cs) 1973-05-14
DK134539C (cs) 1977-04-25

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