ES430955A1 - Detector de tonalidad de frecuencia conmutable. - Google Patents

Detector de tonalidad de frecuencia conmutable.

Info

Publication number
ES430955A1
ES430955A1 ES430955A ES430955A ES430955A1 ES 430955 A1 ES430955 A1 ES 430955A1 ES 430955 A ES430955 A ES 430955A ES 430955 A ES430955 A ES 430955A ES 430955 A1 ES430955 A1 ES 430955A1
Authority
ES
Spain
Prior art keywords
response
operating
signals
detector
tone
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
ES430955A
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 ES430955A1 publication Critical patent/ES430955A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24Transfer of terminal data
    • H04W8/245Transfer of terminal data from a network towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/022Selective call receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Networks Using Active Elements (AREA)
  • Near-Field Transmission Systems (AREA)
  • Telephone Function (AREA)
ES430955A 1973-10-12 1974-10-11 Detector de tonalidad de frecuencia conmutable. Expired ES430955A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US405951A US3882466A (en) 1973-10-12 1973-10-12 Switchable frequency tone detector with electronically controlled code plug and bcd converter

Publications (1)

Publication Number Publication Date
ES430955A1 true ES430955A1 (es) 1976-10-16

Family

ID=23605907

Family Applications (1)

Application Number Title Priority Date Filing Date
ES430955A Expired ES430955A1 (es) 1973-10-12 1974-10-11 Detector de tonalidad de frecuencia conmutable.

Country Status (13)

Country Link
US (1) US3882466A (es)
JP (1) JPS5820171B2 (es)
AR (1) AR203310A1 (es)
BR (1) BR7408327D0 (es)
CA (1) CA1016612A (es)
DK (1) DK531974A (es)
ES (1) ES430955A1 (es)
FR (1) FR2247857B1 (es)
GB (1) GB1479176A (es)
HK (1) HK10978A (es)
IL (1) IL45783A (es)
NL (1) NL171517C (es)
ZA (1) ZA746243B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020449A (en) * 1974-05-22 1977-04-26 Hitachi, Ltd. Signal transmitting and receiving device
US4019142A (en) * 1974-08-16 1977-04-19 Wycoff Keith H Selectively callable receiver operated in accordance with tone characteristics
US4001772A (en) * 1975-07-30 1977-01-04 Truman W. Powell Coded signaling and control system
JPS5366309A (en) * 1976-11-26 1978-06-13 Nec Corp Digital type tone signal detector
GB1562121A (en) * 1976-11-26 1980-03-05 Nippon Electric Co Tone signal detecting circuits
JPS584289Y2 (ja) * 1978-04-18 1983-01-25 日本電気株式会社 表示装置を備える無線選択呼出し受信機
JPS55149545A (en) * 1979-05-10 1980-11-20 Nec Corp Receiver for individual selection and call-out
US4385398A (en) * 1979-06-07 1983-05-24 Keith H. Wycoff Selective call communication receiver
US4417246A (en) * 1979-11-19 1983-11-22 General Electric Company Paging receiver having a serial code plug
US4984219A (en) * 1989-12-26 1991-01-08 Motorola, Inc. Method and apparatus for decoding of frequency inversion based scramblers
US5533202A (en) * 1992-11-02 1996-07-02 Zenith Electronics Corporation Apparatus using a binary coded decimal switch and a programmable logic array for selectively coupling terminals of a controller chip to data bus lines
US5481478A (en) * 1994-06-03 1996-01-02 Palmieri; Herman D. Broadcast system for a facility

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670242A (en) * 1969-12-03 1972-06-13 Lear Siegler Inc A selective paging receiver and decoder employing an electronic filter means
JPS5317010B2 (es) * 1972-03-23 1978-06-05
US3766523A (en) * 1972-10-04 1973-10-16 Motorola Inc Sequential tone signalling system

Also Published As

Publication number Publication date
FR2247857A1 (es) 1975-05-09
NL171517C (nl) 1983-04-05
JPS5068001A (es) 1975-06-07
FR2247857B1 (es) 1983-02-11
DE2448614B2 (de) 1977-03-03
CA1016612A (en) 1977-08-30
JPS5820171B2 (ja) 1983-04-21
AU7425874A (en) 1976-04-15
DE2448614A1 (de) 1975-04-30
AR203310A1 (es) 1975-08-29
NL171517B (nl) 1982-11-01
DK531974A (es) 1975-06-09
IL45783A0 (en) 1974-12-31
ZA746243B (en) 1975-11-26
HK10978A (en) 1978-03-03
US3882466A (en) 1975-05-06
GB1479176A (en) 1977-07-06
NL7413430A (nl) 1975-04-15
BR7408327D0 (pt) 1975-07-29
IL45783A (en) 1976-10-31

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