JPS5444522B2 - - Google Patents
Info
- Publication number
- JPS5444522B2 JPS5444522B2 JP1388875A JP1388875A JPS5444522B2 JP S5444522 B2 JPS5444522 B2 JP S5444522B2 JP 1388875 A JP1388875 A JP 1388875A JP 1388875 A JP1388875 A JP 1388875A JP S5444522 B2 JPS5444522 B2 JP S5444522B2
- 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
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1388875A JPS5444522B2 (https=) | 1975-01-31 | 1975-01-31 | |
| US05/652,847 US4051325A (en) | 1975-01-31 | 1976-01-27 | Speech intercommunication system |
| CA244,584A CA1048186A (en) | 1975-01-31 | 1976-01-30 | Speech intercommunication systems particularly for hands-free loudspeaker telephones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1388875A JPS5444522B2 (https=) | 1975-01-31 | 1975-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5188104A JPS5188104A (https=) | 1976-08-02 |
| JPS5444522B2 true JPS5444522B2 (https=) | 1979-12-26 |
Family
ID=11845726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1388875A Expired JPS5444522B2 (https=) | 1975-01-31 | 1975-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5444522B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797262A (en) * | 1980-12-09 | 1982-06-16 | Nippon Telegr & Teleph Corp <Ntt> | Loud speaker telephone set system |
| JPS6041851A (ja) * | 1983-08-18 | 1985-03-05 | Matsushita Electric Ind Co Ltd | 拡声電話装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142404A (en) * | 1974-10-08 | 1976-04-10 | Hiroshi Ono | Jikonaino waseiionoryoshita jidokirikaetsuwasochi |
-
1975
- 1975-01-31 JP JP1388875A patent/JPS5444522B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5188104A (https=) | 1976-08-02 |