JPS6041851A - 拡声電話装置 - Google Patents

拡声電話装置

Info

Publication number
JPS6041851A
JPS6041851A JP58149598A JP14959883A JPS6041851A JP S6041851 A JPS6041851 A JP S6041851A JP 58149598 A JP58149598 A JP 58149598A JP 14959883 A JP14959883 A JP 14959883A JP S6041851 A JPS6041851 A JP S6041851A
Authority
JP
Japan
Prior art keywords
output
circuit
conversion
rectifier circuit
detection
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.)
Granted
Application number
JP58149598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH028504B2 (OSRAM
Inventor
Seiji Nakama
名嘉真　成二
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58149598A priority Critical patent/JPS6041851A/ja
Publication of JPS6041851A publication Critical patent/JPS6041851A/ja
Publication of JPH028504B2 publication Critical patent/JPH028504B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP58149598A 1983-08-18 1983-08-18 拡声電話装置 Granted JPS6041851A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58149598A JPS6041851A (ja) 1983-08-18 1983-08-18 拡声電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58149598A JPS6041851A (ja) 1983-08-18 1983-08-18 拡声電話装置

Publications (2)

Publication Number Publication Date
JPS6041851A true JPS6041851A (ja) 1985-03-05
JPH028504B2 JPH028504B2 (OSRAM) 1990-02-26

Family

ID=15478701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58149598A Granted JPS6041851A (ja) 1983-08-18 1983-08-18 拡声電話装置

Country Status (1)

Country Link
JP (1) JPS6041851A (OSRAM)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10004445B2 (en) 2010-09-16 2018-06-26 Neurometrix, Inc. Apparatus and method for stimulator on-skin short detection
USD837394S1 (en) 2017-07-11 2019-01-01 Neurometrix, Inc. Transcutaneous electrical nerve stimulation (TENS) device
USD857910S1 (en) 2017-09-21 2019-08-27 Neurometrix, Inc. Transcutaneous electrical nerve stimulation device
USD861903S1 (en) 2018-05-15 2019-10-01 Neurometrix, Inc. Apparatus for transcutaneous electrical nerve stimulation
USD865986S1 (en) 2017-09-21 2019-11-05 Neurometrix, Inc. Transcutaneous electrical nerve stimulation device strap
US10881311B2 (en) 2010-09-16 2021-01-05 Neurometrix, Inc. Apparatus and method for the automated measurement of sural nerve conduction velocity and amplitude
USD1076100S1 (en) 2022-02-03 2025-05-20 Neurometrix, Inc. Nerve conduction assessment device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188104A (OSRAM) * 1975-01-31 1976-08-02
JPS5544256A (en) * 1978-09-22 1980-03-28 Komatsu Ltd Programmable a-d converter
JPS55149883A (en) * 1979-05-07 1980-11-21 Seiko Epson Corp Analog-digital converter for electric measuring device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188104A (OSRAM) * 1975-01-31 1976-08-02
JPS5544256A (en) * 1978-09-22 1980-03-28 Komatsu Ltd Programmable a-d converter
JPS55149883A (en) * 1979-05-07 1980-11-21 Seiko Epson Corp Analog-digital converter for electric measuring device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10004445B2 (en) 2010-09-16 2018-06-26 Neurometrix, Inc. Apparatus and method for stimulator on-skin short detection
US10881311B2 (en) 2010-09-16 2021-01-05 Neurometrix, Inc. Apparatus and method for the automated measurement of sural nerve conduction velocity and amplitude
USD837394S1 (en) 2017-07-11 2019-01-01 Neurometrix, Inc. Transcutaneous electrical nerve stimulation (TENS) device
USD857910S1 (en) 2017-09-21 2019-08-27 Neurometrix, Inc. Transcutaneous electrical nerve stimulation device
USD865986S1 (en) 2017-09-21 2019-11-05 Neurometrix, Inc. Transcutaneous electrical nerve stimulation device strap
USD861903S1 (en) 2018-05-15 2019-10-01 Neurometrix, Inc. Apparatus for transcutaneous electrical nerve stimulation
USD1076100S1 (en) 2022-02-03 2025-05-20 Neurometrix, Inc. Nerve conduction assessment device

Also Published As

Publication number Publication date
JPH028504B2 (OSRAM) 1990-02-26

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