JPS57127351A - Receptacle attachment structure of acoustic coupling device - Google Patents

Receptacle attachment structure of acoustic coupling device

Info

Publication number
JPS57127351A
JPS57127351A JP1268081A JP1268081A JPS57127351A JP S57127351 A JPS57127351 A JP S57127351A JP 1268081 A JP1268081 A JP 1268081A JP 1268081 A JP1268081 A JP 1268081A JP S57127351 A JPS57127351 A JP S57127351A
Authority
JP
Japan
Prior art keywords
receptacle
groove
casing
coupling device
cut
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
JP1268081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS632185B2 (enrdf_load_stackoverflow
Inventor
Tokuji Yoshino
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP1268081A priority Critical patent/JPS57127351A/ja
Publication of JPS57127351A publication Critical patent/JPS57127351A/ja
Publication of JPS632185B2 publication Critical patent/JPS632185B2/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H04M1/2155—Acoustic coupling

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
JP1268081A 1981-01-30 1981-01-30 Receptacle attachment structure of acoustic coupling device Granted JPS57127351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1268081A JPS57127351A (en) 1981-01-30 1981-01-30 Receptacle attachment structure of acoustic coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1268081A JPS57127351A (en) 1981-01-30 1981-01-30 Receptacle attachment structure of acoustic coupling device

Publications (2)

Publication Number Publication Date
JPS57127351A true JPS57127351A (en) 1982-08-07
JPS632185B2 JPS632185B2 (enrdf_load_stackoverflow) 1988-01-18

Family

ID=11812087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1268081A Granted JPS57127351A (en) 1981-01-30 1981-01-30 Receptacle attachment structure of acoustic coupling device

Country Status (1)

Country Link
JP (1) JPS57127351A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS632185B2 (enrdf_load_stackoverflow) 1988-01-18

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