JPS537089B2 - - Google Patents
Info
- Publication number
- JPS537089B2 JPS537089B2 JP12830472A JP12830472A JPS537089B2 JP S537089 B2 JPS537089 B2 JP S537089B2 JP 12830472 A JP12830472 A JP 12830472A JP 12830472 A JP12830472 A JP 12830472A JP S537089 B2 JPS537089 B2 JP S537089B2
- 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
- H04M1/62—Constructional arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21064271A | 1971-12-22 | 1971-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4871905A JPS4871905A (https=) | 1973-09-28 |
| JPS537089B2 true JPS537089B2 (https=) | 1978-03-14 |
Family
ID=22783682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12830472A Expired JPS537089B2 (https=) | 1971-12-22 | 1972-12-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3751600A (https=) |
| JP (1) | JPS537089B2 (https=) |
| CA (1) | CA952242A (https=) |
| DE (1) | DE2262798C3 (https=) |
| GB (1) | GB1411240A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919496A (en) * | 1974-10-25 | 1975-11-11 | Northern Electric Co | Die cast frame |
| US4113999A (en) * | 1975-11-20 | 1978-09-12 | Warren A. Sturm | Hand held communications microphone |
| USD244849S (en) * | 1976-02-17 | 1977-06-28 | E.T.E. - Electronic Telephone Equipment, S.r.l. | Telephone set, or similar article |
| USD256691S (en) | 1978-01-30 | 1980-09-02 | Tridar | Speakerphone |
| USD261508S (en) | 1979-08-10 | 1981-10-27 | Leisurecraft Products Ltd. | Hand-held telephone |
| JPS5719659U (https=) * | 1980-07-07 | 1982-02-01 | ||
| DE10254644B4 (de) * | 2001-11-24 | 2016-02-18 | Tenovis Gmbh & Co. Kg | Telekommunikationsgerät mit einem akustisch entkoppelten Mikrofon |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US26034A (en) * | 1859-11-08 | Improvement in machines for pulling and cutting cotton and corn stalks | ||
| US3124657A (en) * | 1964-03-10 | peterson | ||
| US2392321A (en) * | 1944-05-30 | 1946-01-08 | Bell Telephone Labor Inc | Desk telephone set |
| US2578367A (en) * | 1949-07-28 | 1951-12-11 | Bell Telephone Labor Inc | Telephone mounting |
| BE560927A (https=) * | 1956-10-08 | |||
| US3069508A (en) * | 1958-05-02 | 1962-12-18 | Ericsson Telefon Ab L M | Telephone instrument |
-
1971
- 1971-12-22 US US00210642A patent/US3751600A/en not_active Expired - Lifetime
-
1972
- 1972-06-28 CA CA145,911A patent/CA952242A/en not_active Expired
- 1972-12-21 DE DE2262798A patent/DE2262798C3/de not_active Expired
- 1972-12-21 GB GB5901872A patent/GB1411240A/en not_active Expired
- 1972-12-22 JP JP12830472A patent/JPS537089B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3751600A (en) | 1973-08-07 |
| DE2262798B2 (de) | 1974-09-19 |
| DE2262798A1 (de) | 1973-07-05 |
| JPS4871905A (https=) | 1973-09-28 |
| CA952242A (en) | 1974-07-30 |
| DE2262798C3 (de) | 1975-05-07 |
| GB1411240A (en) | 1975-10-22 |