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JPS57129527A - Frequency-to-digital converting system - Google Patents

Frequency-to-digital converting system

Info

Publication number
JPS57129527A
JPS57129527A JP1550481A JP1550481A JPS57129527A JP S57129527 A JPS57129527 A JP S57129527A JP 1550481 A JP1550481 A JP 1550481A JP 1550481 A JP1550481 A JP 1550481A JP S57129527 A JPS57129527 A JP S57129527A
Authority
JP
Japan
Prior art keywords
frequency
rectangular wave
digital
center
signal
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.)
Pending
Application number
JP1550481A
Other languages
Japanese (ja)
Inventor
Hisayoshi Totsuka
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1550481A priority Critical patent/JPS57129527A/en
Publication of JPS57129527A publication Critical patent/JPS57129527A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

PURPOSE:To eliminate an analog converting process of a data during conversion, by demodulating a modulated signal into a rectangular wave signal and converting the frequency of the rectangular wave signal into a digital signal through a frequency/digital converter respectively at a control center. CONSTITUTION:At a center 20 to be controlled, the analog voltage given from an object 1 to be measured is converted into a rectangular wave through a voltage/frequency modulator 2. This rectangular wave receives an FS modulation through a modulator 3 to be sent to a control center 40. At the center 40 an FS modulated signal sent from the center 20 is demodulated to a rectangular wave by a demodulator 4, and the frequency of te rectangular wave is converted into a digital signal through a frequency/digital converter 8 to obtain a digital data. This digital data is fed to a data processing part 7.
JP1550481A 1981-02-04 1981-02-04 Frequency-to-digital converting system Pending JPS57129527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1550481A JPS57129527A (en) 1981-02-04 1981-02-04 Frequency-to-digital converting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1550481A JPS57129527A (en) 1981-02-04 1981-02-04 Frequency-to-digital converting system

Publications (1)

Publication Number Publication Date
JPS57129527A true JPS57129527A (en) 1982-08-11

Family

ID=11890632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1550481A Pending JPS57129527A (en) 1981-02-04 1981-02-04 Frequency-to-digital converting system

Country Status (1)

Country Link
JP (1) JPS57129527A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8820213B2 (en) 2008-10-23 2014-09-02 Nestec S.A. Warning device for a beverage machine
US8998037B2 (en) 2006-06-16 2015-04-07 Nestec S.A. Drink dispensing device with holding and drip-collecting system for receptacles of different sizes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417818A (en) * 1977-07-11 1979-02-09 Mansei Kogyo Kk Device for recording digital information on audio cassette tape

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417818A (en) * 1977-07-11 1979-02-09 Mansei Kogyo Kk Device for recording digital information on audio cassette tape

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8998037B2 (en) 2006-06-16 2015-04-07 Nestec S.A. Drink dispensing device with holding and drip-collecting system for receptacles of different sizes
US8820213B2 (en) 2008-10-23 2014-09-02 Nestec S.A. Warning device for a beverage machine

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