CA1208297A - Paging receiver - Google Patents

Paging receiver

Info

Publication number
CA1208297A
CA1208297A CA000448213A CA448213A CA1208297A CA 1208297 A CA1208297 A CA 1208297A CA 000448213 A CA000448213 A CA 000448213A CA 448213 A CA448213 A CA 448213A CA 1208297 A CA1208297 A CA 1208297A
Authority
CA
Canada
Prior art keywords
receiver according
tone signal
detecting
detector
decoder
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
CA000448213A
Other languages
English (en)
French (fr)
Inventor
Kazumori Yamada
Masaaki Akahori
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
Application granted granted Critical
Publication of CA1208297A publication Critical patent/CA1208297A/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
    • 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)
CA000448213A 1983-02-25 1984-02-24 Paging receiver Expired CA1208297A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29284/'83 1983-02-25
JP58029284A JPS59156035A (ja) 1983-02-25 1983-02-25 個別選択呼出受信機

Publications (1)

Publication Number Publication Date
CA1208297A true CA1208297A (en) 1986-07-22

Family

ID=12271949

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000448213A Expired CA1208297A (en) 1983-02-25 1984-02-24 Paging receiver

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
EP0554384B1 (en) * 1990-10-22 1996-09-11 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
JPH0239899B2 (enExample) 1990-09-07
GB2136181B (en) 1986-05-08
GB8404902D0 (en) 1984-03-28
GB2136181A (en) 1984-09-12
US4602254A (en) 1986-07-22
AU2481484A (en) 1984-08-30
AU558491B2 (en) 1987-01-29
JPS59156035A (ja) 1984-09-05

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20040224