JPS57118139A - Car diagnostic device by sound - Google Patents

Car diagnostic device by sound

Info

Publication number
JPS57118139A
JPS57118139A JP56003374A JP337481A JPS57118139A JP S57118139 A JPS57118139 A JP S57118139A JP 56003374 A JP56003374 A JP 56003374A JP 337481 A JP337481 A JP 337481A JP S57118139 A JPS57118139 A JP S57118139A
Authority
JP
Japan
Prior art keywords
circuit
sound
discriminating
microphone
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
JP56003374A
Other languages
Japanese (ja)
Inventor
Kazuhiko Kato
Tsutomu Kinoshita
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.)
Kyosan Electric Manufacturing Co Ltd
Banzai Ltd
Original Assignee
Kyosan Electric Manufacturing Co Ltd
Banzai 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 Kyosan Electric Manufacturing Co Ltd, Banzai Ltd filed Critical Kyosan Electric Manufacturing Co Ltd
Priority to JP56003374A priority Critical patent/JPS57118139A/en
Publication of JPS57118139A publication Critical patent/JPS57118139A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To display the discriminated result of sounds generated by driving a car, by recognizing them and by discriminating whether they are proper or not. CONSTITUTION:A processing circuit 1 amplifies a signal of the waveform of a required sound out of sounds progagated to a microphone 2. A pattern expressing circuit 3 samples the output from the processing circuit 1 to obtain a feature pattern. A discriminating circuit 4 compares the value from the expressing circuit 3 with a proper value in a storage circuit 6. The result of the discriminating circuit 4 is displayed on the diaplsy part of a display device 5. The voice of the worker inputted to a microphone 9 is recognized by a voice recognizing device 7, and the sound in a specific position is diagnosed on a basis of the signal of the device 7 by a control circuit 8.
JP56003374A 1981-01-13 1981-01-13 Car diagnostic device by sound Pending JPS57118139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56003374A JPS57118139A (en) 1981-01-13 1981-01-13 Car diagnostic device by sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56003374A JPS57118139A (en) 1981-01-13 1981-01-13 Car diagnostic device by sound

Publications (1)

Publication Number Publication Date
JPS57118139A true JPS57118139A (en) 1982-07-22

Family

ID=11555569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56003374A Pending JPS57118139A (en) 1981-01-13 1981-01-13 Car diagnostic device by sound

Country Status (1)

Country Link
JP (1) JPS57118139A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178468A2 (en) * 1984-10-13 1986-04-23 Fried. Krupp Gesellschaft mit beschränkter Haftung Process for determining the need for repair of machine parts of a transport unit
DE19836081A1 (en) * 1998-07-30 2000-02-17 Siemens Ag Failure detection method for rail vehicle component
DE19852229A1 (en) * 1998-11-12 2000-06-08 Stn Atlas Elektronik Gmbh Detecting damage to bogie of high-speed train by continuously monitoring periodicity of structure-borne sound

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111101A (en) * 1976-03-13 1977-09-17 Arugo Kk Method of and device for diagonosing troubles of automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111101A (en) * 1976-03-13 1977-09-17 Arugo Kk Method of and device for diagonosing troubles of automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178468A2 (en) * 1984-10-13 1986-04-23 Fried. Krupp Gesellschaft mit beschränkter Haftung Process for determining the need for repair of machine parts of a transport unit
DE19836081A1 (en) * 1998-07-30 2000-02-17 Siemens Ag Failure detection method for rail vehicle component
DE19852229A1 (en) * 1998-11-12 2000-06-08 Stn Atlas Elektronik Gmbh Detecting damage to bogie of high-speed train by continuously monitoring periodicity of structure-borne sound
DE19852229C2 (en) * 1998-11-12 2002-10-31 Stn Atlas Elektronik Gmbh Method and device for detecting damage to rail vehicles

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