JPH0122768B2 - - Google Patents

Info

Publication number
JPH0122768B2
JPH0122768B2 JP21672183A JP21672183A JPH0122768B2 JP H0122768 B2 JPH0122768 B2 JP H0122768B2 JP 21672183 A JP21672183 A JP 21672183A JP 21672183 A JP21672183 A JP 21672183A JP H0122768 B2 JPH0122768 B2 JP H0122768B2
Authority
JP
Japan
Prior art keywords
circuit
frequency
signal
circuits
positive
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
JP21672183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109306A (ja
Inventor
Akira Yamaguchi
Hiroshi Mobara
Hidemi Izeki
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP21672183A priority Critical patent/JPS60109306A/ja
Priority to DE8484113778T priority patent/DE3474597D1/de
Priority to DE8787117485T priority patent/DE3486061T2/de
Priority to EP84113778A priority patent/EP0142171B1/en
Priority to EP87117485A priority patent/EP0308540B1/en
Priority to US06/672,478 priority patent/US4599580A/en
Publication of JPS60109306A publication Critical patent/JPS60109306A/ja
Publication of JPH0122768B2 publication Critical patent/JPH0122768B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
    • H03K4/023—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform by repetitive charge or discharge of a capacitor, analogue generators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP21672183A 1983-11-17 1983-11-17 周波数比較回路 Granted JPS60109306A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP21672183A JPS60109306A (ja) 1983-11-17 1983-11-17 周波数比較回路
DE8484113778T DE3474597D1 (en) 1983-11-17 1984-11-14 Frequency comparing circuit
DE8787117485T DE3486061T2 (de) 1983-11-17 1984-11-14 Oszillator-schaltung.
EP84113778A EP0142171B1 (en) 1983-11-17 1984-11-14 Frequency comparing circuit
EP87117485A EP0308540B1 (en) 1983-11-17 1984-11-14 Oscillator circuit
US06/672,478 US4599580A (en) 1983-11-17 1984-11-16 Circuit for comparing two or more frequencies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21672183A JPS60109306A (ja) 1983-11-17 1983-11-17 周波数比較回路

Publications (2)

Publication Number Publication Date
JPS60109306A JPS60109306A (ja) 1985-06-14
JPH0122768B2 true JPH0122768B2 (enrdf_load_stackoverflow) 1989-04-27

Family

ID=16692877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21672183A Granted JPS60109306A (ja) 1983-11-17 1983-11-17 周波数比較回路

Country Status (1)

Country Link
JP (1) JPS60109306A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01251808A (ja) * 1988-03-30 1989-10-06 Nec Corp 周波数弁別回路

Also Published As

Publication number Publication date
JPS60109306A (ja) 1985-06-14

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