JPS57210752A - Telephone set - Google Patents
Telephone setInfo
- Publication number
- JPS57210752A JPS57210752A JP9614981A JP9614981A JPS57210752A JP S57210752 A JPS57210752 A JP S57210752A JP 9614981 A JP9614981 A JP 9614981A JP 9614981 A JP9614981 A JP 9614981A JP S57210752 A JPS57210752 A JP S57210752A
- Authority
- JP
- Japan
- Prior art keywords
- call
- loudspeaker
- case
- handset
- receiver
- 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.)
- Pending
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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9614981A JPS57210752A (en) | 1981-06-22 | 1981-06-22 | Telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9614981A JPS57210752A (en) | 1981-06-22 | 1981-06-22 | Telephone set |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57210752A true JPS57210752A (en) | 1982-12-24 |
Family
ID=14157318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9614981A Pending JPS57210752A (en) | 1981-06-22 | 1981-06-22 | Telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57210752A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS616970A (ja) * | 1984-06-20 | 1986-01-13 | Aihon Kk | インタ−ホン通話制御方式 |
US7433704B2 (en) | 2004-02-17 | 2008-10-07 | Nec Corporation | Portable communication terminal |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS504481A (ja) * | 1973-05-16 | 1975-01-17 |
-
1981
- 1981-06-22 JP JP9614981A patent/JPS57210752A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS504481A (ja) * | 1973-05-16 | 1975-01-17 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS616970A (ja) * | 1984-06-20 | 1986-01-13 | Aihon Kk | インタ−ホン通話制御方式 |
JPH047625B2 (ja) * | 1984-06-20 | 1992-02-12 | Aiphone Co Ltd | |
US7433704B2 (en) | 2004-02-17 | 2008-10-07 | Nec Corporation | Portable communication terminal |
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