JPS5219904A - Acousticon - Google Patents

Acousticon

Info

Publication number
JPS5219904A
JPS5219904A JP9649275A JP9649275A JPS5219904A JP S5219904 A JPS5219904 A JP S5219904A JP 9649275 A JP9649275 A JP 9649275A JP 9649275 A JP9649275 A JP 9649275A JP S5219904 A JPS5219904 A JP S5219904A
Authority
JP
Japan
Prior art keywords
acousticon
commohly
bothsspeaker
microphone
employing
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
JP9649275A
Other languages
Japanese (ja)
Inventor
Hidetoshi Komatsu
Mutsuto Tezuka
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP9649275A priority Critical patent/JPS5219904A/en
Publication of JPS5219904A publication Critical patent/JPS5219904A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:A compact acousticon employing one device that can commohly used for bothsspeaker and microphone by alternately switching a signal converted using the analog delay line through a timing circuit.
JP9649275A 1975-08-08 1975-08-08 Acousticon Pending JPS5219904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9649275A JPS5219904A (en) 1975-08-08 1975-08-08 Acousticon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9649275A JPS5219904A (en) 1975-08-08 1975-08-08 Acousticon

Publications (1)

Publication Number Publication Date
JPS5219904A true JPS5219904A (en) 1977-02-15

Family

ID=14166569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9649275A Pending JPS5219904A (en) 1975-08-08 1975-08-08 Acousticon

Country Status (1)

Country Link
JP (1) JPS5219904A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444334A (en) * 1977-09-16 1979-04-07 Hisao Seno Circulation type water purification device of pool
JPS63303523A (en) * 1987-06-03 1988-12-12 Mitsubishi Electric Corp portable communication device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444334A (en) * 1977-09-16 1979-04-07 Hisao Seno Circulation type water purification device of pool
JPS63303523A (en) * 1987-06-03 1988-12-12 Mitsubishi Electric Corp portable communication device

Similar Documents

Publication Publication Date Title
NL7603292A (en) ARC DISCHARGE DEVICE.
CA1022971A (en) Electromechanical switching device
NL7506140A (en) SWITCHING DEVICE.
JPS5219904A (en) Acousticon
NL7613156A (en) ELECTRONIC SIGNAL SWITCHING DEVICE.
JPS51139055A (en) Signal input device
JPS51117401A (en) Rocking device
NL7614392A (en) SWITCHING DEVICE.
ES221819Y (en) AN ELECTRICAL SWITCHING DEVICE.
JPS51142245A (en) Elastic surface-wave device
JPS5341111A (en) Dial signal sending device
JPS5228674A (en) Switching device
JPS5246481A (en) Switching device
JPS51147361A (en) Time setting device
JPS5278347A (en) Circuit for electroacoustic device
NL7611128A (en) SIGNAL TRANSFER SWITCHING.
JPS522103A (en) Communication control device for exchange channel
JPS5210004A (en) Switching circuit by voice signal
JPS51123542A (en) Filter circuit employing analog signal delay elements
JPS5210007A (en) Delayed operation circuit for telephone call signal
JPS51123048A (en) Delay circuit having the transfer gate
JPS51137127A (en) Valve operat on device
JPS5275911A (en) Circuit for generating outgoing and incoming switching signal
JPS5210037A (en) Shift register circuit
JPS5233059A (en) Switching device