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BR7705319A - Decodificador de sinais acusticos digitais - Google Patents

Decodificador de sinais acusticos digitais

Info

Publication number
BR7705319A
BR7705319A BR7705319A BR7705319A BR7705319A BR 7705319 A BR7705319 A BR 7705319A BR 7705319 A BR7705319 A BR 7705319A BR 7705319 A BR7705319 A BR 7705319A BR 7705319 A BR7705319 A BR 7705319A
Authority
BR
Brazil
Prior art keywords
acoustic signal
signal decoder
digital acoustic
digital
decoder
Prior art date
Application number
BR7705319A
Other languages
English (en)
Inventor
W Davis
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 BR7705319A publication Critical patent/BR7705319A/pt

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Manipulation Of Pulses (AREA)
  • Telephone Function (AREA)
BR7705319A 1976-08-12 1977-08-11 Decodificador de sinais acusticos digitais BR7705319A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/713,746 US4142177A (en) 1976-08-12 1976-08-12 Digital tone decoder system

Publications (1)

Publication Number Publication Date
BR7705319A true BR7705319A (pt) 1978-06-06

Family

ID=24867358

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7705319A BR7705319A (pt) 1976-08-12 1977-08-11 Decodificador de sinais acusticos digitais

Country Status (8)

Country Link
US (1) US4142177A (pt)
JP (1) JPS5915558B2 (pt)
AU (1) AU511806B2 (pt)
BR (1) BR7705319A (pt)
CA (1) CA1102919A (pt)
DE (1) DE2736270A1 (pt)
GB (1) GB1542815A (pt)
ZA (1) ZA774520B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938776Y2 (ja) * 1977-12-23 1984-10-29 日本電気株式会社 ディジタル形ト−ン信号検出器
US4385398A (en) * 1979-06-07 1983-05-24 Keith H. Wycoff Selective call communication receiver
US4412299A (en) * 1981-02-02 1983-10-25 Teltone Corporation Phase jitter detector
GB2095013B (en) * 1981-03-18 1984-10-17 Philips Electronic Associated Multi-tone sequential call signal detector
JPS57192876A (en) * 1981-05-22 1982-11-27 Advantest Corp Measuring device for average frequency
JPS5884549A (ja) * 1981-11-16 1983-05-20 Nec Corp 無線選択呼出受信機
DE3211980A1 (de) * 1982-03-31 1983-10-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur decodierung frequenzcodierter signale
SE430554B (sv) * 1982-04-06 1983-11-21 Ericsson Telefon Ab L M Anordning for att identifiera digitala flerfrekvenssignaler
US4556864A (en) * 1982-08-26 1985-12-03 Roy Joseph J Apparatus and method for communicating digital information on AC power lines
US4528681A (en) * 1982-12-29 1985-07-09 At&T Bell Laboratories Button depression click generator
US4534043A (en) * 1983-06-27 1985-08-06 Racal Data Communications, Inc. Test tone detector apparatus and method modem using same
CA1239719A (en) * 1985-11-22 1988-07-26 Mitel Corporation Dial tone detector
IT1184024B (it) * 1985-12-17 1987-10-22 Cselt Centro Studi Lab Telecom Perfezionamenti ai circuiti ad aggancio di fase numerici
JPS62267807A (ja) * 1986-05-16 1987-11-20 Alps Electric Co Ltd 自動車用遠隔制御装置
US4794324A (en) * 1986-09-02 1988-12-27 Westinghouse Electric Corp. Method and apparatus for characterizing a broad spectrum signal
US4935958A (en) * 1986-09-22 1990-06-19 Dytel Corporation Busy/no-answer call completion equipment
US4737984A (en) * 1986-12-01 1988-04-12 Northern Telecom Limited Dial tone detector
JPS63187842A (ja) * 1987-01-30 1988-08-03 Hitachi Ltd モデム用ｖｌｓｉ
GB2217536B (en) * 1988-04-21 1992-05-13 Marconi Instruments Ltd Frequency counter
DE3826107A1 (de) * 1988-08-01 1990-02-08 Diehl Gmbh & Co Digital arbeitendes elektronisches geraet
GB2283844B (en) * 1993-11-13 1997-06-11 Nokia Mobile Phones Ltd Detection of pager signal in FM radio transmission
KR20180028703A (ko) * 2016-09-09 2018-03-19 삼성전자주식회사 디스플레이 장치 및 이를 이용한 원격 제어 장치 설정 방법
CN113099573B (zh) * 2021-04-02 2022-08-05 深圳市明微电子股份有限公司 Led色温控制芯片、led灯具及开关分段调光调色控制方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1425033A (en) * 1972-03-10 1976-02-18 Hendrickson A E Data signal recogniion apparatus
US3760269A (en) * 1972-07-31 1973-09-18 Gte Automatic Electric Lab Inc Multi-frequency tone detector
JPS4951801A (pt) * 1972-09-20 1974-05-20
JPS5650477B2 (pt) * 1973-08-16 1981-11-28
JPS551737B2 (pt) * 1974-05-17 1980-01-16
US4023105A (en) * 1975-08-25 1977-05-10 Rca Corporation Counter type remote control receiver producing binary outputs correlated with numerical commands of a companion remote control transmitter
US4021653A (en) * 1975-10-14 1977-05-03 Motorola, Inc. Digital programmable tone detector
US4027146A (en) * 1976-03-23 1977-05-31 Heath Company High speed accurate low frequency counter
US4042788A (en) * 1976-05-17 1977-08-16 Stromberg-Carlson Corporation Tone detector

Also Published As

Publication number Publication date
AU2767877A (en) 1979-02-08
DE2736270A1 (de) 1978-02-16
GB1542815A (en) 1979-03-28
US4142177A (en) 1979-02-27
JPS5323210A (en) 1978-03-03
CA1102919A (en) 1981-06-09
AU511806B2 (en) 1980-09-04
JPS5915558B2 (ja) 1984-04-10
ZA774520B (en) 1978-06-28

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