GB1461022A - Communication system including a tone sequential receiver for a selective call - Google Patents

Communication system including a tone sequential receiver for a selective call

Info

Publication number
GB1461022A
GB1461022A GB2523675A GB2523675A GB1461022A GB 1461022 A GB1461022 A GB 1461022A GB 2523675 A GB2523675 A GB 2523675A GB 2523675 A GB2523675 A GB 2523675A GB 1461022 A GB1461022 A GB 1461022A
Authority
GB
United Kingdom
Prior art keywords
frequencies
frequency
register
sequence
receiver
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
GB2523675A
Other languages
English (en)
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.)
SOTNO AS
Original Assignee
SOTNO AS
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 SOTNO AS filed Critical SOTNO AS
Publication of GB1461022A publication Critical patent/GB1461022A/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
    • H04W88/022—Selective call receivers
    • H04W88/025—Selective call decoders
    • H04W88/027—Selective call decoders using frequency address codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
GB2523675A 1974-06-12 1975-06-12 Communication system including a tone sequential receiver for a selective call Expired GB1461022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK313374A DK136090B (da) 1974-06-12 1974-06-12 Kommunikationsanlæg med en sekvenstonemodtager for selektivt opkald.

Publications (1)

Publication Number Publication Date
GB1461022A true GB1461022A (en) 1977-01-13

Family

ID=8119476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2523675A Expired GB1461022A (en) 1974-06-12 1975-06-12 Communication system including a tone sequential receiver for a selective call

Country Status (3)

Country Link
DE (1) DE2525193A1 (enExample)
DK (1) DK136090B (enExample)
GB (1) GB1461022A (enExample)

Also Published As

Publication number Publication date
DE2525193A1 (de) 1976-01-02
DK136090B (da) 1977-08-08
DK136090C (enExample) 1978-01-09
DK313374A (enExample) 1975-12-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee