JPS632185B2 - - Google Patents
Info
- Publication number
- JPS632185B2 JPS632185B2 JP1268081A JP1268081A JPS632185B2 JP S632185 B2 JPS632185 B2 JP S632185B2 JP 1268081 A JP1268081 A JP 1268081A JP 1268081 A JP1268081 A JP 1268081A JP S632185 B2 JPS632185 B2 JP S632185B2
- Authority
- JP
- Japan
- Prior art keywords
- socket
- opening
- holding piece
- notch
- annular holding
- 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
Links
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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)
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 JPS57127351A (en) | 1982-08-07 |
| JPS632185B2 true JPS632185B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-01-30 JP JP1268081A patent/JPS57127351A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57127351A (en) | 1982-08-07 |