CA947380A - Voltage tunable frequency threshold circuit - Google Patents

Voltage tunable frequency threshold circuit

Info

Publication number
CA947380A
CA947380A CA131,916A CA131916A CA947380A CA 947380 A CA947380 A CA 947380A CA 131916 A CA131916 A CA 131916A CA 947380 A CA947380 A CA 947380A
Authority
CA
Canada
Prior art keywords
frequency threshold
threshold circuit
tunable frequency
voltage tunable
voltage
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
CA131,916A
Other languages
English (en)
Other versions
CA131916S (en
Inventor
Robert L. Mcgill (Jr.)
Charles R. Worsham
Norman Green
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.)
Bendix Corp
Original Assignee
Bendix 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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of CA947380A publication Critical patent/CA947380A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA131,916A 1971-07-12 1972-01-07 Voltage tunable frequency threshold circuit Expired CA947380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16167371A 1971-07-12 1971-07-12

Publications (1)

Publication Number Publication Date
CA947380A true CA947380A (en) 1974-05-14

Family

ID=22582228

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,916A Expired CA947380A (en) 1971-07-12 1972-01-07 Voltage tunable frequency threshold circuit

Country Status (6)

Country Link
US (1) US3729587A (fr)
CA (1) CA947380A (fr)
DE (1) DE2233951A1 (fr)
FR (1) FR2145483B1 (fr)
GB (1) GB1384020A (fr)
IT (1) IT962656B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1206968A1 (ru) * 1976-05-24 1986-01-23 Всесоюзный научно-исследовательский институт природных газов Детектор частотно-манипулированных сигналов
GB2106359B (en) * 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
US5483193A (en) * 1995-03-24 1996-01-09 Ford Motor Company Circuit for demodulating FSK signals
GB2305318A (en) * 1995-09-13 1997-04-02 Thomson Multimedia Sa Schmitt trigger for DTMF receiver
CN104767174A (zh) * 2015-04-03 2015-07-08 邹中宝 一种微型变压测频器
US10617364B2 (en) * 2016-10-27 2020-04-14 Samsung Electronics Co., Ltd. System and method for snoring detection using low power motion sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351939A (en) * 1966-02-24 1967-11-07 Robert C Olsen Pulse repetition interval correlation detector
US3473133A (en) * 1966-12-30 1969-10-14 Motorola Inc Pulse counter detector
US3529247A (en) * 1967-09-20 1970-09-15 Us Army Pulse repetition to analog voltage converter
GB1185660A (en) * 1967-11-24 1970-03-25 Bradley Ltd G & E Determining the Fractional Change in Period of an Oscillation

Also Published As

Publication number Publication date
FR2145483A1 (fr) 1973-02-23
FR2145483B1 (fr) 1978-03-03
US3729587A (en) 1973-04-24
GB1384020A (en) 1974-02-12
IT962656B (it) 1973-12-31
DE2233951A1 (de) 1973-01-25

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