JPS5765100A - Operation check system for speaker - Google Patents

Operation check system for speaker

Info

Publication number
JPS5765100A
JPS5765100A JP13977480A JP13977480A JPS5765100A JP S5765100 A JPS5765100 A JP S5765100A JP 13977480 A JP13977480 A JP 13977480A JP 13977480 A JP13977480 A JP 13977480A JP S5765100 A JPS5765100 A JP S5765100A
Authority
JP
Japan
Prior art keywords
speaker
terminals
transmission line
circuit
load
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
JP13977480A
Other languages
English (en)
Inventor
Koji Kumagai
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13977480A priority Critical patent/JPS5765100A/ja
Publication of JPS5765100A publication Critical patent/JPS5765100A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
JP13977480A 1980-10-08 1980-10-08 Operation check system for speaker Pending JPS5765100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13977480A JPS5765100A (en) 1980-10-08 1980-10-08 Operation check system for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13977480A JPS5765100A (en) 1980-10-08 1980-10-08 Operation check system for speaker

Publications (1)

Publication Number Publication Date
JPS5765100A true JPS5765100A (en) 1982-04-20

Family

ID=15253094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13977480A Pending JPS5765100A (en) 1980-10-08 1980-10-08 Operation check system for speaker

Country Status (1)

Country Link
JP (1) JPS5765100A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135898U (ja) * 1988-03-09 1989-09-18
EP2048896A1 (en) 2007-10-12 2009-04-15 STMicroelectronics S.r.l. Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
CN102761817A (zh) * 2012-08-11 2012-10-31 无锡杰夫电声有限公司 扬声器的功率测试系统及其测试方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135898U (ja) * 1988-03-09 1989-09-18
EP2048896A1 (en) 2007-10-12 2009-04-15 STMicroelectronics S.r.l. Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
US8571225B2 (en) 2007-10-12 2013-10-29 Stmicroelectronics S.R.L. Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
US9398388B2 (en) 2007-10-12 2016-07-19 Stmicroelectronics S.R.L. Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
CN102761817A (zh) * 2012-08-11 2012-10-31 无锡杰夫电声有限公司 扬声器的功率测试系统及其测试方法
CN102761817B (zh) * 2012-08-11 2014-10-08 无锡杰夫电声有限公司 扬声器的功率测试系统及其测试方法

Similar Documents

Publication Publication Date Title
JPS5765100A (en) Operation check system for speaker
SE8001541L (sv) Treledarstrommatningskrets for telefonapparat
WO2000028335A3 (en) Connection detection circuit apparatus and method
JPS57203973A (en) Measuring device for electrical conductivity
JPS56132820A (en) Electronic switch
DE3478383D1 (en) Energy-saving switching device
JPS5725743A (en) Maintenance system of radio telephone system
JPS56166613A (en) Voltage to current converting circuit
JPS5669565A (en) Cut check circuit
JPS55138949A (en) Open line detection circuit
JPS57141113A (en) Output characteristic control circuit for amplifier
JPS5612190A (en) Preamplifier
JPS6459092A (en) Radar equipment
JPS5752295A (en) Method for damping of loudspeaker oscillation system
JPS5690668A (en) Traffic simulator
JPS5726906A (en) Distortion rejector
KR100275377B1 (en) Apparatus and method for detecting wire bonding
JPS5730460A (en) Communication terminal equipment having incorporated power source
JPS57204459A (en) Connected monitoring circuit
JPS56149888A (en) On-off signal detecting circuit from terminal equipment
JPS5678205A (en) Earth detecting circuit for btl amplifier
JPS56144644A (en) Two-wire to four-wire convertion circuit
JPS5444178A (en) Device of detecting abnormality of contact signal transmission circuit
JPS5633563A (en) Measuring device for amplifier
JPS5698659A (en) Microwave power monitoring circuit