JPS5422723B2 - - Google Patents
Info
- Publication number
- JPS5422723B2 JPS5422723B2 JP10157475A JP10157475A JPS5422723B2 JP S5422723 B2 JPS5422723 B2 JP S5422723B2 JP 10157475 A JP10157475 A JP 10157475A JP 10157475 A JP10157475 A JP 10157475A JP S5422723 B2 JPS5422723 B2 JP S5422723B2
- Authority
- JP
- Japan
- 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10157475A JPS5225506A (en) | 1975-08-21 | 1975-08-21 | Loud-speaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10157475A JPS5225506A (en) | 1975-08-21 | 1975-08-21 | Loud-speaker unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5225506A JPS5225506A (en) | 1977-02-25 |
| JPS5422723B2 true JPS5422723B2 (show.php) | 1979-08-08 |
Family
ID=14304157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10157475A Granted JPS5225506A (en) | 1975-08-21 | 1975-08-21 | Loud-speaker unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5225506A (show.php) |
-
1975
- 1975-08-21 JP JP10157475A patent/JPS5225506A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5225506A (en) | 1977-02-25 |