CA957022A - Integrated circuit decoder responsive to two sequential tones with group call provisions - Google Patents

Integrated circuit decoder responsive to two sequential tones with group call provisions

Info

Publication number
CA957022A
CA957022A CA142,264A CA142264A CA957022A CA 957022 A CA957022 A CA 957022A CA 142264 A CA142264 A CA 142264A CA 957022 A CA957022 A CA 957022A
Authority
CA
Canada
Prior art keywords
integrated circuit
group call
decoder responsive
circuit decoder
sequential tones
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
CA142,264A
Other versions
CA142264S (en
Inventor
Raymond J. Millington
John R. Rezek
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
Application granted granted Critical
Publication of CA957022A publication Critical patent/CA957022A/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
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
CA142,264A 1971-06-09 1972-05-16 Integrated circuit decoder responsive to two sequential tones with group call provisions Expired CA957022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15146071A 1971-06-09 1971-06-09

Publications (1)

Publication Number Publication Date
CA957022A true CA957022A (en) 1974-10-29

Family

ID=22538866

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,264A Expired CA957022A (en) 1971-06-09 1972-05-16 Integrated circuit decoder responsive to two sequential tones with group call provisions

Country Status (6)

Country Link
US (1) US3686635A (en)
JP (1) JPS5317011B1 (en)
AU (1) AU431688B2 (en)
CA (1) CA957022A (en)
GB (1) GB1354854A (en)
HK (1) HK37077A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832494A (en) * 1970-06-10 1974-08-27 Control Data Corp Signal multiplexer and demultiplexer
USRE32365E (en) * 1975-05-22 1987-03-03 Sanders Associates, Inc. Precessing display pager
US4181893A (en) * 1975-06-26 1980-01-01 Motorola, Inc. Battery saver for a tone coded signalling system
US4370753A (en) * 1975-06-26 1983-01-25 Motorola, Inc. Battery saver for a tone coded signalling system
US4101873A (en) * 1976-01-26 1978-07-18 Benjamin Ernest Anderson Device to locate commonly misplaced objects
US4385398A (en) * 1979-06-07 1983-05-24 Keith H. Wycoff Selective call communication receiver
US4796025A (en) * 1985-06-04 1989-01-03 Simplex Time Recorder Co. Monitor/control communication net with intelligent peripherals
US4755792A (en) * 1985-06-13 1988-07-05 Black & Decker Inc. Security control system
USD349662S (en) 1993-01-29 1994-08-16 Butcher David L Combined transmitter and receiver for locating lost remote control units

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597690A (en) * 1967-09-11 1971-08-03 Keith H Wycoff Tone control circuit having a frequency-controllable filter
US3581283A (en) * 1968-04-30 1971-05-25 Ledex Inc Tone decoder responsive to combined tones

Also Published As

Publication number Publication date
GB1354854A (en) 1974-06-05
US3686635A (en) 1972-08-22
AU4312572A (en) 1973-02-01
DE2228205A1 (en) 1973-01-11
JPS5317011B1 (en) 1978-06-05
AU431688B2 (en) 1973-02-01
HK37077A (en) 1977-07-22
DE2228205B2 (en) 1975-07-17

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