JPS6341267B2 - - Google Patents

Info

Publication number
JPS6341267B2
JPS6341267B2 JP57234252A JP23425282A JPS6341267B2 JP S6341267 B2 JPS6341267 B2 JP S6341267B2 JP 57234252 A JP57234252 A JP 57234252A JP 23425282 A JP23425282 A JP 23425282A JP S6341267 B2 JPS6341267 B2 JP S6341267B2
Authority
JP
Japan
Prior art keywords
coupler
lip
coupling body
annular lip
opening
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.)
Expired
Application number
JP57234252A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59117850A (ja
Inventor
Hiroyuki Nishimura
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 JP23425282A priority Critical patent/JPS59117850A/ja
Publication of JPS59117850A publication Critical patent/JPS59117850A/ja
Publication of JPS6341267B2 publication Critical patent/JPS6341267B2/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)
JP23425282A 1982-12-24 1982-12-24 音響カプラ− Granted JPS59117850A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23425282A JPS59117850A (ja) 1982-12-24 1982-12-24 音響カプラ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23425282A JPS59117850A (ja) 1982-12-24 1982-12-24 音響カプラ−

Publications (2)

Publication Number Publication Date
JPS59117850A JPS59117850A (ja) 1984-07-07
JPS6341267B2 true JPS6341267B2 (enrdf_load_stackoverflow) 1988-08-16

Family

ID=16968053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23425282A Granted JPS59117850A (ja) 1982-12-24 1982-12-24 音響カプラ−

Country Status (1)

Country Link
JP (1) JPS59117850A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524806Y2 (enrdf_load_stackoverflow) * 1972-11-30 1977-02-01

Also Published As

Publication number Publication date
JPS59117850A (ja) 1984-07-07

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