CH400245A - Einrichtung zum Gegensprechen - Google Patents
Einrichtung zum GegensprechenInfo
- Publication number
- CH400245A CH400245A CH1251561A CH1251561A CH400245A CH 400245 A CH400245 A CH 400245A CH 1251561 A CH1251561 A CH 1251561A CH 1251561 A CH1251561 A CH 1251561A CH 400245 A CH400245 A CH 400245A
- Authority
- CH
- Switzerland
- Prior art keywords
- facility
- way communication
- communication
- way
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/16—Jewel boxes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1965P0026029 DE1206967B (de) | 1965-10-02 | 1965-10-02 | Einrichtung zum Gegensprechen |
Publications (1)
Publication Number | Publication Date |
---|---|
CH400245A true CH400245A (de) | 1965-10-15 |
Family
ID=7370310
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1251561A CH400245A (de) | 1965-10-02 | 1961-10-30 | Einrichtung zum Gegensprechen |
CH1369066A CH445738A (de) | 1965-10-02 | 1966-09-21 | Behälter für Schmuckwaren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1369066A CH445738A (de) | 1965-10-02 | 1966-09-21 | Behälter für Schmuckwaren |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT263269B (de) |
CH (2) | CH400245A (de) |
DE (1) | DE1206967B (de) |
GB (1) | GB1002983A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1050154A (en) * | 1977-01-14 | 1979-03-06 | Conrad D. Lafrance | Telephone conferencing apparatus |
US4237339A (en) * | 1977-11-03 | 1980-12-02 | The Post Office | Audio teleconferencing |
DE4439146A1 (de) * | 1994-11-03 | 1996-05-09 | Deutsche Telekom Ag | Freisprechanordnung mit einem Lautsprecher und einem Mikrofon |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE828714C (de) * | 1948-10-02 | 1952-01-21 | Siemens & Halske A G | Fernsprechstation |
DE1687621U (de) * | 1952-08-04 | 1954-11-18 | Siedle & Soehne G M B H Furtwa | Einrichtung fuer ein koaxial mit einem lautsprecher angeordnetes mikrofon. |
-
1961
- 1961-10-30 CH CH1251561A patent/CH400245A/de unknown
- 1961-11-08 GB GB3992161A patent/GB1002983A/en not_active Expired
-
1965
- 1965-10-02 DE DE1965P0026029 patent/DE1206967B/de active Pending
-
1966
- 1966-09-21 CH CH1369066A patent/CH445738A/de unknown
- 1966-09-29 AT AT913766A patent/AT263269B/de active
Also Published As
Publication number | Publication date |
---|---|
DE1206967B (de) | 1965-12-16 |
AT263269B (de) | 1968-07-10 |
GB1002983A (en) | 1965-09-02 |
CH445738A (de) | 1967-10-31 |
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