AU558491B2 - Paging receiver noise immunity - Google Patents

Paging receiver noise immunity

Info

Publication number
AU558491B2
AU558491B2 AU24814/84A AU2481484A AU558491B2 AU 558491 B2 AU558491 B2 AU 558491B2 AU 24814/84 A AU24814/84 A AU 24814/84A AU 2481484 A AU2481484 A AU 2481484A AU 558491 B2 AU558491 B2 AU 558491B2
Authority
AU
Australia
Prior art keywords
noise immunity
paging receiver
receiver noise
paging
immunity
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.)
Ceased
Application number
AU24814/84A
Other languages
English (en)
Other versions
AU2481484A (en
Inventor
Masaaki Akahori
Kazumori Yamada
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of AU2481484A publication Critical patent/AU2481484A/en
Application granted granted Critical
Publication of AU558491B2 publication Critical patent/AU558491B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1025—Paging receivers with audible signalling details
    • G08B3/1066—Paging receivers with audible signalling details with other provisions not elsewhere provided for, e.g. turn-off protection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU24814/84A 1983-02-25 1984-02-22 Paging receiver noise immunity Ceased AU558491B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58029284A JPS59156035A (ja) 1983-02-25 1983-02-25 個別選択呼出受信機
JP58-29284 1983-02-25

Publications (2)

Publication Number Publication Date
AU2481484A AU2481484A (en) 1984-08-30
AU558491B2 true AU558491B2 (en) 1987-01-29

Family

ID=12271949

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24814/84A Ceased AU558491B2 (en) 1983-02-25 1984-02-22 Paging receiver noise immunity

Country Status (5)

Country Link
US (1) US4602254A (enExample)
JP (1) JPS59156035A (enExample)
AU (1) AU558491B2 (enExample)
CA (1) CA1208297A (enExample)
GB (1) GB2136181B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904992A (en) * 1989-03-28 1990-02-27 Motorola, Inc. Radio with message reception and ambient noise level controlled indicator
US5093658A (en) * 1990-07-16 1992-03-03 Motorola, Inc. Communication device capable of ambient sound level controlled transmissions
WO1992006786A1 (en) * 1990-10-22 1992-04-30 Motorola, Inc. Selective call receiver with decoder controlled filters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602820A (en) * 1968-10-02 1971-08-31 Computer Equipment Corp Tunable tone squelch encoder-decoder incorporating an active filter feedback tuning network
US3818358A (en) * 1972-12-29 1974-06-18 Stromberg Carlson Corp Noise rejection circuit for digital systems
JPS5230309A (en) * 1975-09-03 1977-03-08 Nippon Gakki Seizo Kk Tuner
US4063180A (en) * 1976-10-12 1977-12-13 Gte Automatic Electric (Canada) Ltd. Noise detecting circuit
JPS5918761Y2 (ja) * 1978-09-12 1984-05-30 日本電気株式会社 Ｆｍ受信機のミュ−ティング回路
JPS55149545A (en) * 1979-05-10 1980-11-20 Nec Corp Receiver for individual selection and call-out

Also Published As

Publication number Publication date
GB8404902D0 (en) 1984-03-28
JPS59156035A (ja) 1984-09-05
US4602254A (en) 1986-07-22
AU2481484A (en) 1984-08-30
JPH0239899B2 (enExample) 1990-09-07
CA1208297A (en) 1986-07-22
GB2136181A (en) 1984-09-12
GB2136181B (en) 1986-05-08

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