GB1373748A - Subaudible remote control tone encoding system - Google Patents

Subaudible remote control tone encoding system

Info

Publication number
GB1373748A
GB1373748A GB564773A GB564773A GB1373748A GB 1373748 A GB1373748 A GB 1373748A GB 564773 A GB564773 A GB 564773A GB 564773 A GB564773 A GB 564773A GB 1373748 A GB1373748 A GB 1373748A
Authority
GB
United Kingdom
Prior art keywords
signals
frequencies
radio
tones
filter
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
GB564773A
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB1373748A publication Critical patent/GB1373748A/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
    • H04W88/18—Service support devices; Network management devices
    • H04W88/185—Selective call encoders for paging networks, e.g. paging centre devices
    • H04W88/188—Selective call encoders for paging networks, e.g. paging centre devices using frequency address codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
GB564773A 1972-02-22 1973-02-05 Subaudible remote control tone encoding system Expired GB1373748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22774772A 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
GB1373748A true GB1373748A (en) 1974-11-13

Family

ID=22854290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB564773A Expired GB1373748A (en) 1972-02-22 1973-02-05 Subaudible remote control tone encoding system

Country Status (7)

Country Link
US (1) US3731200A (enExample)
JP (1) JPS5241087B2 (enExample)
AR (1) AR197803A1 (enExample)
AU (1) AU442060B2 (enExample)
CA (1) CA978261A (enExample)
DE (1) DE2308634C3 (enExample)
GB (1) GB1373748A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221819A (en) * 1988-08-04 1990-02-14 Motorola Inc Cellular radiotelephone uses subaudible signalling

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538309C3 (de) * 1975-08-28 1982-12-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Anordnung zur gemischten Übertragung von Sprache und Daten auf einem NF-Kanal
US4103238A (en) * 1976-11-26 1978-07-25 The Alliance Manufacturing Company Transmitter modulated with three modulation patterns
US4471352A (en) * 1981-04-01 1984-09-11 Midian Electronics, Inc. Programmable paging encoder
US4701758A (en) * 1983-08-05 1987-10-20 Motorola, Inc. Individual simulcast transmitter remote control system encoder
JP2006262434A (ja) * 2005-02-17 2006-09-28 Mitsubishi Electric Corp 配電線搬送伝送装置
US7933565B2 (en) * 2006-07-14 2011-04-26 Qualcomm, Incorporated Transformer coupling of antennas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377435A (en) * 1964-04-30 1968-04-09 Itt Land-to-mobile telephone link

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221819A (en) * 1988-08-04 1990-02-14 Motorola Inc Cellular radiotelephone uses subaudible signalling
GB2221819B (en) * 1988-08-04 1993-05-12 Motorola Inc Subaudible cellular signalling protocol

Also Published As

Publication number Publication date
AU442060B2 (en) 1973-11-15
AR197803A1 (es) 1974-05-10
DE2308634A1 (de) 1973-08-30
AU5215973A (en) 1973-11-15
CA978261A (en) 1975-11-18
JPS4898702A (enExample) 1973-12-14
DE2308634C3 (de) 1975-10-02
DE2308634B2 (de) 1975-02-27
JPS5241087B2 (enExample) 1977-10-17
US3731200A (en) 1973-05-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee